[81] | 1 | /* $Id: fsd_session.c 28 2011-10-29 21:31:46Z mmamonski $ */ |
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| 2 | /* |
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| 3 | * PSNC DRMAA 2.0 utilities library |
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| 4 | * Copyright (C) 2012 Poznan Supercomputing and Networking Center |
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| 5 | * |
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| 6 | * This program is free software: you can redistribute it and/or modify |
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| 7 | * it under the terms of the GNU General Public License as published by |
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| 8 | * the Free Software Foundation, either version 3 of the License, or |
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| 9 | * (at your option) any later version. |
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| 10 | * |
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| 11 | * This program is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 14 | * GNU General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU General Public License |
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| 17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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| 18 | */ |
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| 19 | |
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| 20 | #include <ctype.h> |
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| 21 | #include <stdlib.h> |
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| 22 | #include <string.h> |
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| 23 | |
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| 24 | #include <drmaa_utils/conf.h> |
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| 25 | #include <drmaa_utils/iter.h> |
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| 26 | #include <drmaa_utils/jsession.h> |
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| 27 | |
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| 28 | #ifndef lint |
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| 29 | static char rcsid[] |
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| 30 | # ifdef __GNUC__ |
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| 31 | __attribute__ ((unused)) |
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| 32 | # endif |
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| 33 | = "$Id: fsd_session.c 28 2011-10-29 21:31:46Z mmamonski $"; |
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| 34 | #endif |
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| 35 | |
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| 36 | |
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| 37 | #if 0 |
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| 38 | |
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| 39 | static void |
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| 40 | fsd_drmaa_session_release( fsd_drmaa_session_t *self ); |
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| 41 | |
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| 42 | static void |
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| 43 | fsd_drmaa_session_destroy( |
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| 44 | fsd_drmaa_session_t *self ); |
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| 45 | |
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| 46 | static void |
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| 47 | fsd_drmaa_session_destroy_nowait( fsd_drmaa_session_t *self ); |
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| 48 | |
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| 49 | static char* |
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| 50 | fsd_drmaa_session_run_job( |
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| 51 | fsd_drmaa_session_t *self, |
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| 52 | const fsd_template_t *jt |
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| 53 | ); |
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| 54 | |
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| 55 | static fsd_iter_t* |
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| 56 | fsd_drmaa_session_run_bulk( |
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| 57 | fsd_drmaa_session_t *self, |
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| 58 | const fsd_template_t *jt, |
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| 59 | int start, int end, int incr |
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| 60 | ); |
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| 61 | |
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| 62 | static void |
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| 63 | fsd_drmaa_session_control_job( |
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| 64 | fsd_drmaa_session_t *self, |
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| 65 | const char *job_id, int action |
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| 66 | ); |
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| 67 | |
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| 68 | static void |
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| 69 | fsd_drmaa_session_job_ps( |
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| 70 | fsd_drmaa_session_t *self, |
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| 71 | const char *job_id, int *remote_ps |
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| 72 | ); |
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| 73 | |
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| 74 | static void |
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| 75 | fsd_drmaa_session_synchronize( |
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| 76 | fsd_drmaa_session_t *self, |
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| 77 | const char **input_job_ids, const struct timespec *timeout, |
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| 78 | bool dispose |
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| 79 | ); |
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| 80 | |
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| 81 | static char* |
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| 82 | fsd_drmaa_session_wait( |
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| 83 | fsd_drmaa_session_t *self, |
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| 84 | const char *job_id, const struct timespec *timeout, |
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| 85 | int *status, fsd_iter_t **rusage |
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| 86 | ); |
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| 87 | |
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| 88 | static fsd_job_t * |
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| 89 | fsd_drmaa_session_new_job( |
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| 90 | fsd_drmaa_session_t *self, |
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| 91 | const char *job_id |
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| 92 | ); |
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| 93 | |
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| 94 | static char* |
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| 95 | fsd_drmaa_session_run_impl( |
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| 96 | fsd_drmaa_session_t *self, |
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| 97 | const fsd_template_t *jt, int bulk_incr |
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| 98 | ); |
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| 99 | |
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| 100 | static void |
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| 101 | fsd_drmaa_session_wait_for_single_job( |
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| 102 | fsd_drmaa_session_t *self, |
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| 103 | const char *job_id, const struct timespec *timeout, |
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| 104 | int *status, fsd_iter_t **rusage, bool dispose |
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| 105 | ); |
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| 106 | |
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| 107 | static char* |
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| 108 | fsd_drmaa_session_wait_for_any_job( |
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| 109 | fsd_drmaa_session_t *self, |
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| 110 | const struct timespec *timeout, |
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| 111 | int *status, fsd_iter_t **rusage, |
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| 112 | bool dispose |
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| 113 | ); |
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| 114 | |
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| 115 | static void |
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| 116 | fsd_drmaa_session_wait_for_job_status_change( |
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| 117 | fsd_drmaa_session_t *self, |
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| 118 | fsd_cond_t *wait_condition, |
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| 119 | fsd_mutex_t *mutex, |
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| 120 | const struct timespec *timeout |
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| 121 | ); |
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| 122 | |
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| 123 | static void* |
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| 124 | fsd_drmaa_session_wait_thread( fsd_drmaa_session_t *self ); |
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| 125 | |
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| 126 | static void |
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| 127 | fsd_drmaa_session_stop_wait_thread( fsd_drmaa_session_t *self ); |
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| 128 | |
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| 129 | static void |
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| 130 | fsd_drmaa_session_update_all_jobs_status( fsd_drmaa_session_t *self ); |
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| 131 | |
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| 132 | static char** |
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| 133 | fsd_drmaa_session_get_submited_job_ids( |
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| 134 | fsd_drmaa_session_t *self |
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| 135 | ); |
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| 136 | |
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| 137 | static fsd_job_t* |
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| 138 | fsd_drmaa_session_get_job( |
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| 139 | fsd_drmaa_session_t *self, const char *job_id |
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| 140 | ); |
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| 141 | |
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| 142 | static void |
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| 143 | fsd_drmaa_session_load_configuration( |
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| 144 | fsd_drmaa_session_t *self, const char *basename |
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| 145 | ); |
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| 146 | |
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| 147 | static void |
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| 148 | fsd_drmaa_session_read_configuration( |
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| 149 | fsd_drmaa_session_t *self, |
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| 150 | const char *filename, bool must_exist, |
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| 151 | const char *configuration, size_t config_len |
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| 152 | ); |
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| 153 | |
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| 154 | static void |
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| 155 | fsd_drmaa_session_apply_configuration( |
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| 156 | fsd_drmaa_session_t *self |
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| 157 | ); |
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| 158 | |
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| 159 | |
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| 160 | |
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| 161 | fsd_drmaa_session_t * |
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| 162 | fsd_drmaa_session_new( const char *contact ) |
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| 163 | { |
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| 164 | fsd_drmaa_session_t *volatile self = NULL; |
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| 165 | |
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| 166 | fsd_log_enter(( "(%s)", contact )); |
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| 167 | TRY |
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| 168 | { |
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| 169 | fsd_malloc( self, fsd_drmaa_session_t ); |
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| 170 | |
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| 171 | self->release = fsd_drmaa_session_release; |
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| 172 | self->destroy = fsd_drmaa_session_destroy; |
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| 173 | self->destroy_nowait = fsd_drmaa_session_destroy_nowait; |
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| 174 | self->run_job = fsd_drmaa_session_run_job; |
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| 175 | self->run_bulk = fsd_drmaa_session_run_bulk; |
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| 176 | self->control_job = fsd_drmaa_session_control_job; |
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| 177 | self->job_ps = fsd_drmaa_session_job_ps; |
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| 178 | self->synchronize = fsd_drmaa_session_synchronize; |
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| 179 | self->wait = fsd_drmaa_session_wait; |
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| 180 | self->new_job = fsd_drmaa_session_new_job; |
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| 181 | self->run_impl = fsd_drmaa_session_run_impl; |
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| 182 | self->wait_for_single_job = fsd_drmaa_session_wait_for_single_job; |
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| 183 | self->wait_for_any_job = fsd_drmaa_session_wait_for_any_job; |
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| 184 | self->wait_for_job_status_change = |
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| 185 | fsd_drmaa_session_wait_for_job_status_change; |
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| 186 | self->wait_thread = fsd_drmaa_session_wait_thread; |
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| 187 | self->stop_wait_thread = fsd_drmaa_session_stop_wait_thread; |
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| 188 | self->update_all_jobs_status = fsd_drmaa_session_update_all_jobs_status; |
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| 189 | self->get_submited_job_ids = fsd_drmaa_session_get_submited_job_ids; |
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| 190 | self->get_job = fsd_drmaa_session_get_job; |
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| 191 | self->load_configuration = fsd_drmaa_session_load_configuration; |
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| 192 | self->read_configuration = fsd_drmaa_session_read_configuration; |
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| 193 | self->apply_configuration = fsd_drmaa_session_apply_configuration; |
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| 194 | |
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| 195 | self->ref_cnt = 1; |
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| 196 | self->destroy_requested = false; |
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| 197 | self->contact = NULL; |
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| 198 | self->jobs = NULL; |
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| 199 | self->configuration = NULL; |
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| 200 | self->pool_delay.tv_sec = 10; |
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| 201 | self->pool_delay.tv_nsec = 0; |
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| 202 | self->cache_job_state = 0; |
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| 203 | self->enable_wait_thread = false; |
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| 204 | self->job_categories = NULL; |
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| 205 | self->missing_jobs = FSD_REVEAL_MISSING_JOBS; |
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| 206 | self->wait_thread_started = false; |
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| 207 | self->wait_thread_run_flag = false; |
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| 208 | |
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| 209 | fsd_mutex_init( &self->mutex ); |
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| 210 | fsd_cond_init( &self->wait_condition ); |
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| 211 | fsd_cond_init( &self->destroy_condition ); |
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| 212 | fsd_mutex_init( &self->drm_connection_mutex ); |
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| 213 | self->jobs = fsd_job_set_new(); |
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| 214 | self->contact = fsd_strdup( contact ); |
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| 215 | |
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| 216 | } |
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| 217 | EXCEPT_DEFAULT |
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| 218 | { |
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| 219 | if( self != NULL ) |
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| 220 | self->destroy( self ); |
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| 221 | fsd_exc_reraise(); |
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| 222 | } |
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| 223 | END_TRY |
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| 224 | |
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| 225 | return self; |
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| 226 | } |
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| 227 | |
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| 228 | |
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| 229 | void |
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| 230 | fsd_drmaa_session_release( fsd_drmaa_session_t *self ) |
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| 231 | { |
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| 232 | fsd_mutex_lock( &self->mutex ); |
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| 233 | self->ref_cnt--; |
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| 234 | fsd_assert( self->ref_cnt > 0 ); |
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| 235 | if( self->ref_cnt == 1 ) |
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| 236 | fsd_cond_broadcast( &self->destroy_condition ); |
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| 237 | fsd_mutex_unlock( &self->mutex ); |
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| 238 | } |
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| 239 | |
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| 240 | |
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| 241 | void |
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| 242 | fsd_drmaa_session_destroy( fsd_drmaa_session_t *self ) |
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| 243 | { |
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| 244 | bool already_destroying = false; |
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| 245 | |
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| 246 | fsd_log_enter(( "" )); |
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| 247 | fsd_mutex_lock( &self->mutex ); |
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| 248 | TRY |
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| 249 | { |
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| 250 | if( self->destroy_requested ) |
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| 251 | already_destroying = true; |
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| 252 | else |
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| 253 | { |
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| 254 | self->destroy_requested = true; |
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| 255 | fsd_cond_broadcast( &self->wait_condition ); |
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| 256 | } |
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| 257 | } |
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| 258 | FINALLY |
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| 259 | { fsd_mutex_unlock( &self->mutex ); } |
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| 260 | END_TRY |
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| 261 | |
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| 262 | if( already_destroying ) |
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| 263 | { /* XXX: actually it can not happen in current implementation |
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| 264 | when using DRMAA API */ |
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| 265 | self->release( self ); |
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| 266 | fsd_exc_raise_code( FSD_DRMAA_ERRNO_NO_ACTIVE_SESSION ); |
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| 267 | } |
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| 268 | |
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| 269 | self->jobs->signal_all( self->jobs ); |
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| 270 | |
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| 271 | fsd_mutex_lock( &self->mutex ); |
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| 272 | TRY |
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| 273 | { |
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| 274 | while( self->ref_cnt > 1 ) |
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| 275 | fsd_cond_wait( &self->destroy_condition, &self->mutex ); |
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| 276 | fsd_log_debug(("started = %d run_flag = %d", self->wait_thread_started, self->wait_thread_run_flag )); |
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| 277 | if( self->wait_thread_started ) |
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| 278 | self->stop_wait_thread( self ); |
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| 279 | } |
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| 280 | FINALLY |
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| 281 | { fsd_mutex_unlock( &self->mutex ); } |
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| 282 | END_TRY |
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| 283 | |
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| 284 | self->destroy_nowait( self ); |
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| 285 | fsd_log_return(( "" )); |
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| 286 | } |
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| 287 | |
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| 288 | |
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| 289 | void |
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| 290 | fsd_drmaa_session_destroy_nowait( fsd_drmaa_session_t *self ) |
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| 291 | { |
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| 292 | fsd_log_enter(( "" )); |
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| 293 | fsd_conf_dict_destroy( self->configuration ); |
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| 294 | fsd_free( self->contact ); |
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| 295 | |
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| 296 | if( self->jobs ) |
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| 297 | self->jobs->destroy( self->jobs ); |
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| 298 | |
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| 299 | fsd_mutex_destroy( &self->mutex ); |
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| 300 | fsd_cond_destroy( &self->wait_condition ); |
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| 301 | fsd_cond_destroy( &self->destroy_condition ); |
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| 302 | fsd_mutex_destroy( &self->drm_connection_mutex ); |
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| 303 | |
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| 304 | fsd_free( self ); |
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| 305 | fsd_log_return(( "" )); |
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| 306 | } |
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| 307 | |
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| 308 | |
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| 309 | char * |
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| 310 | fsd_drmaa_session_run_job( |
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| 311 | fsd_drmaa_session_t *self, |
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| 312 | const fsd_template_t *jt ) |
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| 313 | { |
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| 314 | return self->run_impl( self, jt, -1 ); |
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| 315 | } |
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| 316 | |
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| 317 | |
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| 318 | fsd_iter_t * |
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| 319 | fsd_drmaa_session_run_bulk( |
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| 320 | fsd_drmaa_session_t *self, |
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| 321 | const fsd_template_t *jt, |
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| 322 | int start, int end, int incr ) |
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| 323 | { |
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| 324 | volatile unsigned n_jobs; |
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| 325 | char **volatile result = NULL; |
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| 326 | |
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| 327 | if( incr > 0 ) |
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| 328 | n_jobs = (end-start) / incr + 1; |
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| 329 | else |
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| 330 | n_jobs = (start-end) / -incr + 1; |
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| 331 | |
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| 332 | TRY |
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| 333 | { |
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| 334 | unsigned i; |
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| 335 | int idx; |
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| 336 | fsd_calloc( result, n_jobs + 1, char* ); |
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| 337 | for( i=0, idx=start; i < n_jobs; i++, idx+=incr ) |
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| 338 | result[i] = self->run_impl( self, jt, idx ); |
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| 339 | } |
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| 340 | EXCEPT_DEFAULT |
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| 341 | { |
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| 342 | if( result ) |
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| 343 | fsd_free_vector( result ); |
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| 344 | fsd_exc_reraise(); |
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| 345 | } |
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| 346 | END_TRY |
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| 347 | |
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| 348 | return fsd_iter_new( result, -1 ); |
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| 349 | } |
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| 350 | |
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| 351 | |
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| 352 | void |
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| 353 | fsd_drmaa_session_control_job( |
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| 354 | fsd_drmaa_session_t *self, |
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| 355 | const char *job_id, int action ) |
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| 356 | { |
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| 357 | char **job_ids = NULL; |
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| 358 | char **i; |
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| 359 | |
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| 360 | TRY |
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| 361 | { |
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| 362 | if( !strcmp( job_id, DRMAA_JOB_IDS_SESSION_ALL ) ) |
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| 363 | job_ids = self->get_submited_job_ids( self ); |
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| 364 | else |
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| 365 | { |
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| 366 | fsd_calloc( job_ids, 2, char* ); |
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| 367 | job_ids[0] = fsd_strdup( job_id ); |
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| 368 | } |
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| 369 | |
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| 370 | for( i = job_ids; *i != NULL; i++ ) |
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| 371 | { |
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| 372 | fsd_job_t *job = NULL; |
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| 373 | TRY |
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| 374 | { |
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| 375 | job = self->get_job( self, *i ); |
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| 376 | if( job == NULL ) |
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| 377 | { |
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| 378 | if( !strcmp( job_id, DRMAA_JOB_IDS_SESSION_ALL ) ) |
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| 379 | { /* job was just removed from session */ } |
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| 380 | else |
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| 381 | job = self->new_job( self, *i ); |
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| 382 | } |
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| 383 | if( job ) |
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| 384 | job->control( job, action ); |
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| 385 | } |
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| 386 | FINALLY |
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| 387 | { |
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| 388 | if ( job ) |
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| 389 | job->release( job ); |
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| 390 | } |
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| 391 | END_TRY |
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| 392 | } |
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| 393 | } |
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| 394 | FINALLY |
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| 395 | { |
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| 396 | fsd_free_vector( job_ids ); |
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| 397 | } |
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| 398 | END_TRY |
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| 399 | } |
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| 400 | |
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| 401 | |
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| 402 | void |
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| 403 | fsd_drmaa_session_job_ps( |
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| 404 | fsd_drmaa_session_t *self, const char *job_id, int *remote_ps ) |
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| 405 | { |
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| 406 | fsd_job_t *volatile job = NULL; |
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| 407 | TRY |
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| 408 | { |
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| 409 | job = self->get_job( self, job_id ); |
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| 410 | if( job == NULL ) |
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| 411 | { |
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| 412 | fsd_log_info(( "job_ps: recreating job object: %s", job_id )); |
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| 413 | job = self->new_job( self, job_id ); |
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| 414 | } |
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| 415 | fsd_log_debug((" job->last_update_time = %u", (unsigned int)job->last_update_time)); |
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| 416 | if( time(NULL) - job->last_update_time >= self->cache_job_state |
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| 417 | || job->state == DRMAA_PS_UNDETERMINED ) |
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| 418 | { |
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| 419 | fsd_log_debug(("updating status of job: %s ", job_id)); |
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| 420 | job->update_status( job ); |
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| 421 | job->last_update_time = time(NULL); |
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| 422 | } |
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| 423 | *remote_ps = job->state; |
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| 424 | } |
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| 425 | FINALLY |
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| 426 | { |
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| 427 | if( job ) |
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| 428 | job->release( job ); |
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| 429 | } |
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| 430 | END_TRY |
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| 431 | } |
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| 432 | |
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| 433 | |
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| 434 | void |
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| 435 | fsd_drmaa_session_synchronize( |
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| 436 | fsd_drmaa_session_t *self, |
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| 437 | const char **input_job_ids, const struct timespec *timeout, |
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| 438 | bool dispose |
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| 439 | ) |
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| 440 | { |
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| 441 | volatile bool wait_for_all = false; |
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| 442 | char **volatile job_ids_buf = NULL; |
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| 443 | const char **job_ids = NULL; |
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| 444 | const char **i; |
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| 445 | |
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| 446 | fsd_log_enter(( "(job_ids={...}, timeout=..., dispose=%d)", |
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| 447 | (int)dispose )); |
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| 448 | |
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| 449 | if( input_job_ids == NULL ) |
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| 450 | fsd_exc_raise_code( FSD_ERRNO_INVALID_ARGUMENT ); |
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| 451 | |
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| 452 | TRY |
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| 453 | { |
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| 454 | for( i = input_job_ids; *i != NULL; i++ ) |
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| 455 | if( !strcmp(*i, DRMAA_JOB_IDS_SESSION_ALL) ) |
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| 456 | wait_for_all = true; |
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| 457 | |
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| 458 | if( wait_for_all ) |
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| 459 | { |
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| 460 | job_ids_buf = self->get_submited_job_ids( self ); |
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| 461 | job_ids = (const char**)job_ids_buf; |
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| 462 | } |
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| 463 | else |
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| 464 | job_ids = input_job_ids; |
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| 465 | |
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| 466 | for( i = job_ids; *i != NULL; i++ ) |
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| 467 | TRY |
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| 468 | { |
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| 469 | self->wait_for_single_job( self, *i, timeout, NULL, NULL, dispose ); |
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| 470 | } |
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| 471 | EXCEPT( FSD_DRMAA_ERRNO_INVALID_JOB ) |
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| 472 | { /* job was ripped by another thread */ } |
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| 473 | END_TRY |
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| 474 | } |
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| 475 | FINALLY |
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| 476 | { |
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| 477 | fsd_free_vector( job_ids_buf ); |
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| 478 | } |
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| 479 | END_TRY |
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| 480 | } |
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| 481 | |
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| 482 | |
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| 483 | char * |
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| 484 | fsd_drmaa_session_wait( |
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| 485 | fsd_drmaa_session_t *self, |
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| 486 | const char *job_id, const struct timespec *timeout, |
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| 487 | int *stat, fsd_iter_t **rusage |
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| 488 | ) |
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| 489 | { |
---|
| 490 | if( 0==strcmp(job_id, DRMAA_JOB_IDS_SESSION_ANY) ) |
---|
| 491 | return self->wait_for_any_job( self, timeout, stat, rusage, true ); |
---|
| 492 | else |
---|
| 493 | { |
---|
| 494 | self->wait_for_single_job( self, job_id, timeout, stat, rusage, true ); |
---|
| 495 | return fsd_strdup( job_id ); |
---|
| 496 | } |
---|
| 497 | } |
---|
| 498 | |
---|
| 499 | |
---|
| 500 | fsd_job_t * |
---|
| 501 | fsd_drmaa_session_new_job( fsd_drmaa_session_t *self, const char *job_id ) |
---|
| 502 | { |
---|
| 503 | fsd_job_t *job; |
---|
| 504 | job = fsd_job_new( fsd_strdup(job_id) ); |
---|
| 505 | job->session = self; |
---|
| 506 | return job; |
---|
| 507 | } |
---|
| 508 | |
---|
| 509 | |
---|
| 510 | char * |
---|
| 511 | fsd_drmaa_session_run_impl( |
---|
| 512 | fsd_drmaa_session_t *self, |
---|
| 513 | const fsd_template_t *jt, int bulk_incr ) |
---|
| 514 | { |
---|
| 515 | fsd_exc_raise_code( FSD_ERRNO_NOT_IMPLEMENTED ); |
---|
| 516 | } |
---|
| 517 | |
---|
| 518 | |
---|
| 519 | void |
---|
| 520 | fsd_drmaa_session_wait_for_single_job( |
---|
| 521 | fsd_drmaa_session_t *self, |
---|
| 522 | const char *job_id, const struct timespec *timeout, |
---|
| 523 | int *status, fsd_iter_t **rusage, |
---|
| 524 | bool dispose |
---|
| 525 | ) |
---|
| 526 | { |
---|
| 527 | fsd_job_t *volatile job = NULL; |
---|
| 528 | volatile bool locked = false; |
---|
| 529 | |
---|
| 530 | fsd_log_enter(( "(%s)", job_id )); |
---|
| 531 | TRY |
---|
| 532 | { |
---|
| 533 | job = self->get_job( self, job_id ); |
---|
| 534 | if( job == NULL ) |
---|
| 535 | fsd_exc_raise_fmt( FSD_DRMAA_ERRNO_INVALID_JOB, |
---|
| 536 | "Job '%s' not found in DRMS queue", job_id ); |
---|
| 537 | job->update_status( job ); |
---|
| 538 | while( !self->destroy_requested && job->state < DRMAA_PS_DONE ) |
---|
| 539 | { |
---|
| 540 | bool signaled = true; |
---|
| 541 | fsd_log_debug(( "fsd_drmaa_session_wait_for_single_job: " |
---|
| 542 | "waiting for %s to terminate", job_id )); |
---|
| 543 | if( self->enable_wait_thread ) |
---|
| 544 | { |
---|
| 545 | if( timeout ) |
---|
| 546 | signaled = fsd_cond_timedwait( |
---|
| 547 | &job->status_cond, &job->mutex, timeout ); |
---|
| 548 | else |
---|
| 549 | { |
---|
| 550 | fsd_cond_wait( &job->status_cond, &job->mutex ); |
---|
| 551 | } |
---|
| 552 | if( !signaled ) |
---|
| 553 | fsd_exc_raise_code( FSD_DRMAA_ERRNO_EXIT_TIMEOUT ); |
---|
| 554 | } |
---|
| 555 | else |
---|
| 556 | { |
---|
| 557 | self->wait_for_job_status_change( |
---|
| 558 | self, &job->status_cond, &job->mutex, timeout ); |
---|
| 559 | } |
---|
| 560 | |
---|
| 561 | fsd_log_debug(( "fsd_drmaa_session_wait_for_single_job: woken up" )); |
---|
| 562 | if( !self->enable_wait_thread ) |
---|
| 563 | job->update_status( job ); |
---|
| 564 | } |
---|
| 565 | |
---|
| 566 | if( self->destroy_requested ) |
---|
| 567 | fsd_exc_raise_code( FSD_DRMAA_ERRNO_EXIT_TIMEOUT ); |
---|
| 568 | |
---|
| 569 | job->get_termination_status( job, status, rusage ); |
---|
| 570 | if( dispose ) |
---|
| 571 | { |
---|
| 572 | job->release( job ); /*release mutex in order to ensure proper order of locking: first job_set mutex then job mutex */ |
---|
| 573 | |
---|
| 574 | locked = fsd_mutex_lock( &self->mutex ); |
---|
| 575 | |
---|
| 576 | job = self->get_job( self, job_id ); |
---|
| 577 | if (job != NULL) |
---|
| 578 | { |
---|
| 579 | self->jobs->remove( self->jobs, job ); |
---|
| 580 | job->flags |= FSD_JOB_DISPOSED; |
---|
| 581 | } |
---|
| 582 | else |
---|
| 583 | { |
---|
| 584 | fsd_log_error(("Some other thread has already reaped job %s", job_id )); |
---|
| 585 | } |
---|
| 586 | |
---|
| 587 | locked = fsd_mutex_unlock( &self->mutex ); |
---|
| 588 | } |
---|
| 589 | } |
---|
| 590 | FINALLY |
---|
| 591 | { |
---|
| 592 | if ( job ) |
---|
| 593 | job->release( job ); |
---|
| 594 | if ( locked ) |
---|
| 595 | fsd_mutex_unlock( &self->mutex ); |
---|
| 596 | } |
---|
| 597 | END_TRY |
---|
| 598 | fsd_log_return(("")); |
---|
| 599 | } |
---|
| 600 | |
---|
| 601 | |
---|
| 602 | char * |
---|
| 603 | fsd_drmaa_session_wait_for_any_job( |
---|
| 604 | fsd_drmaa_session_t *self, |
---|
| 605 | const struct timespec *timeout, |
---|
| 606 | int *status, fsd_iter_t **rusage, |
---|
| 607 | bool dispose |
---|
| 608 | ) |
---|
| 609 | { |
---|
| 610 | fsd_job_set_t *set = self->jobs; |
---|
| 611 | fsd_job_t *volatile job = NULL; |
---|
| 612 | char *volatile job_id = NULL; |
---|
| 613 | volatile bool locked = false; |
---|
| 614 | |
---|
| 615 | fsd_log_enter(( "" )); |
---|
| 616 | |
---|
| 617 | TRY |
---|
| 618 | { |
---|
| 619 | while( job == NULL ) |
---|
| 620 | { |
---|
| 621 | bool signaled = true; |
---|
| 622 | |
---|
| 623 | if( self->destroy_requested ) |
---|
| 624 | fsd_exc_raise_code( FSD_DRMAA_ERRNO_NO_ACTIVE_SESSION ); |
---|
| 625 | |
---|
| 626 | if( !self->enable_wait_thread ) |
---|
| 627 | self->update_all_jobs_status( self ); |
---|
| 628 | |
---|
| 629 | locked = fsd_mutex_lock( &self->mutex ); |
---|
| 630 | if( set->empty( set ) ) |
---|
| 631 | fsd_exc_raise_msg( FSD_DRMAA_ERRNO_INVALID_JOB, |
---|
| 632 | "No job found to be waited for" ); |
---|
| 633 | |
---|
| 634 | if( (job = set->find_terminated( set )) != NULL ) |
---|
| 635 | break; |
---|
| 636 | |
---|
| 637 | if( self->destroy_requested ) |
---|
| 638 | fsd_exc_raise_code( FSD_DRMAA_ERRNO_NO_ACTIVE_SESSION ); |
---|
| 639 | if( self->enable_wait_thread ) |
---|
| 640 | { |
---|
| 641 | fsd_log_debug(( "wait_for_any_job: waiting for wait thread" )); |
---|
| 642 | if( timeout ) |
---|
| 643 | signaled = fsd_cond_timedwait( |
---|
| 644 | &self->wait_condition, &self->mutex, timeout ); |
---|
| 645 | else |
---|
| 646 | fsd_cond_wait( &self->wait_condition, &self->mutex ); |
---|
| 647 | } |
---|
| 648 | else |
---|
| 649 | { |
---|
| 650 | fsd_log_debug(( "wait_for_any_job: waiting for next check" )); |
---|
| 651 | self->wait_for_job_status_change( self, |
---|
| 652 | &self->wait_condition, &self->mutex, timeout ); |
---|
| 653 | } |
---|
| 654 | locked = fsd_mutex_unlock( &self->mutex ); |
---|
| 655 | fsd_log_debug(( |
---|
| 656 | "wait_for_any_job: woken up; signaled=%d", signaled )); |
---|
| 657 | |
---|
| 658 | if( !signaled ) |
---|
| 659 | fsd_exc_raise_code( FSD_DRMAA_ERRNO_EXIT_TIMEOUT ); |
---|
| 660 | |
---|
| 661 | } |
---|
| 662 | fsd_log_debug(( "wait_for_any_job: waiting finished" )); |
---|
| 663 | |
---|
| 664 | job_id = fsd_strdup( job->job_id ); |
---|
| 665 | job->get_termination_status( job, status, rusage ); |
---|
| 666 | } |
---|
| 667 | EXCEPT_DEFAULT |
---|
| 668 | { |
---|
| 669 | if( job_id ) |
---|
| 670 | fsd_free( job_id ); |
---|
| 671 | fsd_exc_reraise(); |
---|
| 672 | } |
---|
| 673 | FINALLY |
---|
| 674 | { |
---|
| 675 | if( job ) |
---|
| 676 | { |
---|
| 677 | if( fsd_exc_get() == NULL && dispose ) |
---|
| 678 | { |
---|
| 679 | set->remove( set, job ); |
---|
| 680 | job->flags |= FSD_JOB_DISPOSED; |
---|
| 681 | } |
---|
| 682 | job->release( job ); |
---|
| 683 | } |
---|
| 684 | if( locked ) |
---|
| 685 | fsd_mutex_unlock( &self->mutex ); |
---|
| 686 | } |
---|
| 687 | END_TRY |
---|
| 688 | |
---|
| 689 | fsd_log_return(( " =%s", job_id )); |
---|
| 690 | return job_id; |
---|
| 691 | } |
---|
| 692 | |
---|
| 693 | |
---|
| 694 | void |
---|
| 695 | fsd_drmaa_session_wait_for_job_status_change( |
---|
| 696 | fsd_drmaa_session_t *self, |
---|
| 697 | fsd_cond_t *wait_condition, |
---|
| 698 | fsd_mutex_t *mutex, |
---|
| 699 | const struct timespec *timeout |
---|
| 700 | ) |
---|
| 701 | { |
---|
| 702 | struct timespec ts, *next_check = &ts; |
---|
| 703 | bool status_changed; |
---|
| 704 | |
---|
| 705 | if( timeout ) |
---|
| 706 | fsd_log_enter(( |
---|
| 707 | "(timeout=%ld.%09ld)", |
---|
| 708 | timeout->tv_sec, timeout->tv_nsec )); |
---|
| 709 | else |
---|
| 710 | fsd_log_enter(( "(timeout=(null))" )); |
---|
| 711 | fsd_get_time( next_check ); |
---|
| 712 | fsd_ts_add( next_check, &self->pool_delay ); |
---|
| 713 | if( timeout && fsd_ts_cmp( timeout, next_check ) < 0 ) |
---|
| 714 | next_check = (struct timespec*)timeout; |
---|
| 715 | fsd_log_debug(( "wait_for_job_status_change: waiting untill %ld.%09ld", |
---|
| 716 | next_check->tv_sec, next_check->tv_nsec )); |
---|
| 717 | status_changed = fsd_cond_timedwait(wait_condition, mutex,(const struct timespec *) next_check ); |
---|
| 718 | if( !status_changed && next_check == timeout ) |
---|
| 719 | fsd_exc_raise_code( FSD_DRMAA_ERRNO_EXIT_TIMEOUT ); |
---|
| 720 | |
---|
| 721 | fsd_log_return(( ": next_check=%ld.%09ld, status_changed=%d", |
---|
| 722 | next_check->tv_sec, next_check->tv_nsec, |
---|
| 723 | (int)status_changed |
---|
| 724 | )); |
---|
| 725 | } |
---|
| 726 | |
---|
| 727 | |
---|
| 728 | void * |
---|
| 729 | fsd_drmaa_session_wait_thread( fsd_drmaa_session_t *self ) |
---|
| 730 | { |
---|
| 731 | struct timespec ts, *next_check = &ts; |
---|
| 732 | bool volatile locked = false; |
---|
| 733 | |
---|
| 734 | fsd_log_enter(( "" )); |
---|
| 735 | locked = fsd_mutex_lock( &self->mutex ); |
---|
| 736 | TRY |
---|
| 737 | { |
---|
| 738 | while( self->wait_thread_run_flag ) |
---|
| 739 | TRY |
---|
| 740 | { |
---|
| 741 | fsd_log_debug(( "wait thread: next iteration" )); |
---|
| 742 | self->update_all_jobs_status( self ); |
---|
| 743 | fsd_cond_broadcast( &self->wait_condition ); |
---|
| 744 | |
---|
| 745 | fsd_get_time( next_check ); |
---|
| 746 | fsd_ts_add( next_check, &self->pool_delay ); |
---|
| 747 | fsd_cond_timedwait( &self->wait_condition, &self->mutex, (const struct timespec *) next_check ); |
---|
| 748 | |
---|
| 749 | } |
---|
| 750 | EXCEPT_DEFAULT |
---|
| 751 | { |
---|
| 752 | const fsd_exc_t *e = fsd_exc_get(); |
---|
| 753 | fsd_log_error(( "wait thread: <%d:%s>", e->code(e), e->message(e) )); |
---|
| 754 | } |
---|
| 755 | END_TRY |
---|
| 756 | } |
---|
| 757 | FINALLY |
---|
| 758 | { |
---|
| 759 | if (locked) |
---|
| 760 | fsd_mutex_unlock( &self->mutex ); |
---|
| 761 | } |
---|
| 762 | END_TRY |
---|
| 763 | |
---|
| 764 | fsd_log_return(( " =NULL" )); |
---|
| 765 | return NULL; |
---|
| 766 | } |
---|
| 767 | |
---|
| 768 | |
---|
| 769 | void |
---|
| 770 | fsd_drmaa_session_stop_wait_thread( fsd_drmaa_session_t *self ) |
---|
| 771 | { |
---|
| 772 | volatile int lock_count = 0; |
---|
| 773 | fsd_log_enter(( "" )); |
---|
| 774 | fsd_mutex_lock( &self->mutex ); |
---|
| 775 | TRY |
---|
| 776 | { |
---|
| 777 | fsd_log_debug(("started = %d run_flag = %d", self->wait_thread_started, self->wait_thread_run_flag )); |
---|
| 778 | if( self->wait_thread_started ) |
---|
| 779 | { |
---|
| 780 | self->wait_thread_run_flag = false; |
---|
| 781 | fsd_log_debug(("started = %d run_flag = %d", self->wait_thread_started, self->wait_thread_run_flag )); |
---|
| 782 | fsd_cond_broadcast( &self->wait_condition ); |
---|
| 783 | TRY |
---|
| 784 | { |
---|
| 785 | lock_count = fsd_mutex_unlock_times( &self->mutex ); |
---|
| 786 | fsd_thread_join( self->wait_thread_handle, NULL ); |
---|
| 787 | } |
---|
| 788 | FINALLY |
---|
| 789 | { |
---|
| 790 | int i; |
---|
| 791 | for( i = 0; i < lock_count; i++ ) |
---|
| 792 | fsd_mutex_lock( &self->mutex ); |
---|
| 793 | } |
---|
| 794 | END_TRY |
---|
| 795 | self->wait_thread_started = false; |
---|
| 796 | } |
---|
| 797 | |
---|
| 798 | } |
---|
| 799 | FINALLY |
---|
| 800 | { fsd_mutex_unlock( &self->mutex ); } |
---|
| 801 | END_TRY |
---|
| 802 | fsd_log_return(( "" )); |
---|
| 803 | } |
---|
| 804 | |
---|
| 805 | |
---|
| 806 | void |
---|
| 807 | fsd_drmaa_session_update_all_jobs_status( |
---|
| 808 | fsd_drmaa_session_t *self ) |
---|
| 809 | { |
---|
| 810 | char **volatile job_ids = NULL; |
---|
| 811 | fsd_log_enter(( "" )); |
---|
| 812 | TRY |
---|
| 813 | { |
---|
| 814 | const char **i; |
---|
| 815 | fsd_job_t *volatile job = NULL; |
---|
| 816 | job_ids = self->get_submited_job_ids( self ); |
---|
| 817 | for( i = (const char **)job_ids; *i; i++ ) |
---|
| 818 | TRY |
---|
| 819 | { |
---|
| 820 | job = self->get_job( self, *i ); |
---|
| 821 | if( job ) |
---|
| 822 | job->update_status( job ); |
---|
| 823 | } |
---|
| 824 | FINALLY |
---|
| 825 | { |
---|
| 826 | if( job ) |
---|
| 827 | job->release( job ); |
---|
| 828 | } |
---|
| 829 | END_TRY |
---|
| 830 | } |
---|
| 831 | FINALLY |
---|
| 832 | { |
---|
| 833 | fsd_free_vector( job_ids ); |
---|
| 834 | } |
---|
| 835 | END_TRY |
---|
| 836 | fsd_log_return(( "" )); |
---|
| 837 | } |
---|
| 838 | |
---|
| 839 | |
---|
| 840 | char ** |
---|
| 841 | fsd_drmaa_session_get_submited_job_ids( fsd_drmaa_session_t *self ) |
---|
| 842 | { |
---|
| 843 | return self->jobs->get_all_job_ids( self->jobs ); |
---|
| 844 | } |
---|
| 845 | |
---|
| 846 | |
---|
| 847 | fsd_job_t * |
---|
| 848 | fsd_drmaa_session_get_job( fsd_drmaa_session_t *self, const char *job_id ) |
---|
| 849 | { |
---|
| 850 | return self->jobs->get( self->jobs, job_id ); |
---|
| 851 | } |
---|
| 852 | |
---|
| 853 | |
---|
| 854 | void |
---|
| 855 | fsd_drmaa_session_load_configuration( |
---|
| 856 | fsd_drmaa_session_t *self, const char *basename |
---|
| 857 | ) |
---|
| 858 | { |
---|
| 859 | char *volatile system_conf = NULL; |
---|
| 860 | char *volatile user_conf = NULL; |
---|
| 861 | char *volatile varname = NULL; |
---|
| 862 | TRY |
---|
| 863 | { |
---|
| 864 | const char *home; |
---|
| 865 | const char *envvalue; |
---|
| 866 | char *i; |
---|
| 867 | |
---|
| 868 | system_conf = fsd_asprintf( DRMAA_DIR_SYSCONF"/%s.conf", basename ); |
---|
| 869 | |
---|
| 870 | home = getenv( "HOME" ); |
---|
| 871 | if( home == NULL ) |
---|
| 872 | { home = "."; } |
---|
| 873 | user_conf = fsd_asprintf( "%s/.%s.conf", home, basename ); |
---|
| 874 | |
---|
| 875 | varname = fsd_asprintf( "%s_CONF", basename ); |
---|
| 876 | for( i = varname; *i; i++ ) |
---|
| 877 | *i = toupper( *(unsigned char*)i ); |
---|
| 878 | envvalue = getenv( varname ); |
---|
| 879 | |
---|
| 880 | self->configuration = fsd_conf_read( |
---|
| 881 | self->configuration, system_conf, false, NULL, 0 ); |
---|
| 882 | self->configuration = fsd_conf_read( |
---|
| 883 | self->configuration, user_conf, false, NULL, 0 ); |
---|
| 884 | if( envvalue ) |
---|
| 885 | self->configuration = fsd_conf_read( |
---|
| 886 | self->configuration, envvalue, true, NULL, 0 ); |
---|
| 887 | self->apply_configuration( self ); |
---|
| 888 | } |
---|
| 889 | FINALLY |
---|
| 890 | { |
---|
| 891 | fsd_free( system_conf ); |
---|
| 892 | fsd_free( user_conf ); |
---|
| 893 | fsd_free( varname ); |
---|
| 894 | } |
---|
| 895 | END_TRY |
---|
| 896 | } |
---|
| 897 | |
---|
| 898 | |
---|
| 899 | void |
---|
| 900 | fsd_drmaa_session_read_configuration( |
---|
| 901 | fsd_drmaa_session_t *self, |
---|
| 902 | const char *filename, bool must_exist, |
---|
| 903 | const char *configuration, size_t configuration_len |
---|
| 904 | ) |
---|
| 905 | { |
---|
| 906 | self->configuration = fsd_conf_read( |
---|
| 907 | self->configuration, |
---|
| 908 | filename, must_exist, |
---|
| 909 | configuration, configuration_len ); |
---|
| 910 | self->apply_configuration( self ); |
---|
| 911 | } |
---|
| 912 | |
---|
| 913 | |
---|
| 914 | void |
---|
| 915 | fsd_drmaa_session_apply_configuration( fsd_drmaa_session_t *self ) |
---|
| 916 | { |
---|
| 917 | fsd_conf_option_t *pool_delay = NULL; |
---|
| 918 | fsd_conf_option_t *cache_job_state = NULL; |
---|
| 919 | fsd_conf_option_t *wait_thread = NULL; |
---|
| 920 | fsd_conf_option_t *job_categories = NULL; |
---|
| 921 | fsd_conf_option_t *missing_jobs = NULL; |
---|
| 922 | |
---|
| 923 | fsd_log_enter(("")); |
---|
| 924 | if( self->configuration != NULL ) { |
---|
| 925 | |
---|
| 926 | pool_delay = fsd_conf_dict_get( |
---|
| 927 | self->configuration, "pool_delay" ); |
---|
| 928 | cache_job_state = fsd_conf_dict_get( |
---|
| 929 | self->configuration, "cache_job_state" ); |
---|
| 930 | wait_thread = fsd_conf_dict_get( |
---|
| 931 | self->configuration, "wait_thread" ); |
---|
| 932 | job_categories = fsd_conf_dict_get( |
---|
| 933 | self->configuration, "job_categories" ); |
---|
| 934 | missing_jobs = fsd_conf_dict_get( |
---|
| 935 | self->configuration, "missing_jobs" ); |
---|
| 936 | } |
---|
| 937 | |
---|
| 938 | if( pool_delay ) |
---|
| 939 | { |
---|
| 940 | if( pool_delay->type == FSD_CONF_INTEGER |
---|
| 941 | && pool_delay->val.integer > 0 ) |
---|
| 942 | { |
---|
| 943 | fsd_log_debug(("pool_delay=%d", pool_delay->val.integer)); |
---|
| 944 | self->pool_delay.tv_sec = pool_delay->val.integer; |
---|
| 945 | } |
---|
| 946 | else |
---|
| 947 | fsd_exc_raise_msg( |
---|
| 948 | FSD_ERRNO_INTERNAL_ERROR, |
---|
| 949 | "configuration: 'pool_delay' must be positive integer" |
---|
| 950 | ); |
---|
| 951 | } |
---|
| 952 | if( cache_job_state ) |
---|
| 953 | { |
---|
| 954 | if( cache_job_state->type == FSD_CONF_INTEGER |
---|
| 955 | && cache_job_state->val.integer >= 0 ) |
---|
| 956 | { |
---|
| 957 | fsd_log_debug(("cache_job_state=%d", cache_job_state->val.integer)); |
---|
| 958 | self->cache_job_state = cache_job_state->val.integer; |
---|
| 959 | } |
---|
| 960 | else |
---|
| 961 | fsd_exc_raise_msg( |
---|
| 962 | FSD_ERRNO_INTERNAL_ERROR, |
---|
| 963 | "configuration: 'cache_job_state' must be nonnegative integer" |
---|
| 964 | ); |
---|
| 965 | } |
---|
| 966 | if( wait_thread ) |
---|
| 967 | { |
---|
| 968 | if( wait_thread->type == FSD_CONF_INTEGER ) |
---|
| 969 | { |
---|
| 970 | |
---|
| 971 | fsd_log_info(("wait_thread=%d", wait_thread->val.integer)); |
---|
| 972 | self->enable_wait_thread = (wait_thread->val.integer != 0 ); |
---|
| 973 | } |
---|
| 974 | else |
---|
| 975 | fsd_exc_raise_msg( |
---|
| 976 | FSD_ERRNO_INTERNAL_ERROR, |
---|
| 977 | "configuration: 'wait_thread' should be 0 or 1" |
---|
| 978 | ); |
---|
| 979 | } |
---|
| 980 | if( job_categories ) |
---|
| 981 | { |
---|
| 982 | if( job_categories->type == FSD_CONF_DICT ) |
---|
| 983 | self->job_categories = job_categories->val.dict; |
---|
| 984 | else |
---|
| 985 | fsd_exc_raise_msg( |
---|
| 986 | FSD_ERRNO_INTERNAL_ERROR, |
---|
| 987 | "configuration: 'job_categories' should be dictionary" |
---|
| 988 | ); |
---|
| 989 | } |
---|
| 990 | if( missing_jobs ) |
---|
| 991 | { |
---|
| 992 | bool ok = true; |
---|
| 993 | if( missing_jobs->type != FSD_CONF_STRING ) |
---|
| 994 | { |
---|
| 995 | const char *value = missing_jobs->val.string; |
---|
| 996 | if( !strcmp( value, "ignore" ) ) |
---|
| 997 | self->missing_jobs = FSD_IGNORE_MISSING_JOBS; |
---|
| 998 | else if( !strcmp( value, "ignore-queued" ) ) |
---|
| 999 | self->missing_jobs = FSD_IGNORE_QUEUED_MISSING_JOBS; |
---|
| 1000 | else if( !strcmp( value, "reveal" ) ) |
---|
| 1001 | self->missing_jobs = FSD_REVEAL_MISSING_JOBS; |
---|
| 1002 | else |
---|
| 1003 | ok = false; |
---|
| 1004 | } |
---|
| 1005 | else |
---|
| 1006 | ok = false; |
---|
| 1007 | |
---|
| 1008 | if( !ok ) |
---|
| 1009 | fsd_exc_raise_msg( |
---|
| 1010 | FSD_ERRNO_INTERNAL_ERROR, |
---|
| 1011 | "configuration: 'missing_jobs' should be one of: " |
---|
| 1012 | "'ignore', 'ignore-queued' or 'reveal'" |
---|
| 1013 | ); |
---|
| 1014 | } |
---|
| 1015 | |
---|
| 1016 | if( self->enable_wait_thread && !self->wait_thread_started ) |
---|
| 1017 | { |
---|
| 1018 | fsd_log_debug(("Starting wait thread")); |
---|
| 1019 | self->wait_thread_run_flag = true; |
---|
| 1020 | fsd_thread_create( &self->wait_thread_handle, |
---|
| 1021 | (void*(*)(void*))self->wait_thread, self ); |
---|
| 1022 | self->wait_thread_started = true; |
---|
| 1023 | fsd_log_debug(( "wait thread started" )); |
---|
| 1024 | } |
---|
| 1025 | else if( !self->enable_wait_thread && self->wait_thread_started ) |
---|
| 1026 | { |
---|
| 1027 | fsd_log_debug(("Stopping wait thread")); |
---|
| 1028 | self->stop_wait_thread( self ); |
---|
| 1029 | } |
---|
| 1030 | |
---|
| 1031 | fsd_log_return(("")); |
---|
| 1032 | } |
---|
| 1033 | |
---|
| 1034 | #endif |
---|
| 1035 | |
---|