1 | /* $Id$ */ |
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2 | /* |
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3 | * FedStage DRMAA for PBS Pro |
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4 | * Copyright (C) 2006-2009 FedStage Systems |
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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 | #ifdef HAVE_CONFIG_H |
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21 | # include <config.h> |
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22 | #endif |
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23 | |
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24 | #include <signal.h> |
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25 | #include <stdlib.h> |
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26 | #include <string.h> |
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27 | #include <unistd.h> |
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28 | |
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29 | #include <drmaa_utils/drmaa.h> |
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30 | #include <drmaa_utils/drmaa_util.h> |
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31 | #include <pbs_error.h> |
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32 | #include <pbs_ifl.h> |
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33 | |
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34 | #include <pbs_drmaa/job.h> |
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35 | #include <pbs_drmaa/log_reader.h> |
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36 | #include <pbs_drmaa/pbs_attrib.h> |
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37 | #include <pbs_drmaa/session.h> |
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38 | #include <pbs_drmaa/util.h> |
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39 | |
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40 | #ifndef lint |
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41 | static char rcsid[] |
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42 | # ifdef __GNUC__ |
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43 | __attribute__ ((unused)) |
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44 | # endif |
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45 | = "$Id$"; |
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46 | #endif |
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47 | |
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48 | |
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49 | static void pbsdrmaa_job_control( fsd_job_t *self, int action ); |
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50 | |
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51 | static void pbsdrmaa_job_update_status( fsd_job_t *self ); |
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52 | |
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53 | static void pbsdrmaa_job_on_missing( fsd_job_t *self ); |
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54 | |
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55 | static void pbsdrmaa_job_on_missing_standard( fsd_job_t *self ); |
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56 | |
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57 | static void pbsdrmaa_job_update( fsd_job_t *self, struct batch_status* ); |
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58 | |
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59 | static int pbsdrmaa_job_read_exit_status( const char *job_id, const char *job_state_dir_prefix); |
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60 | |
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61 | fsd_job_t * |
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62 | pbsdrmaa_job_new( char *job_id ) |
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63 | { |
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64 | pbsdrmaa_job_t *self = (pbsdrmaa_job_t*)fsd_job_new( job_id ); |
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65 | fsd_realloc( self, 1, pbsdrmaa_job_t ); |
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66 | self->super.control = pbsdrmaa_job_control; |
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67 | self->super.update_status = pbsdrmaa_job_update_status; |
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68 | self->super.on_missing = pbsdrmaa_job_on_missing; |
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69 | self->update = pbsdrmaa_job_update; |
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70 | return (fsd_job_t*)self; |
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71 | } |
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72 | |
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73 | |
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74 | static void |
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75 | pbsdrmaa_job_control( fsd_job_t *self, int action ) |
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76 | { |
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77 | volatile bool conn_lock = false; |
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78 | pbsdrmaa_session_t *session = (pbsdrmaa_session_t*)self->session; |
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79 | const char *job_id = self->job_id; |
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80 | const char *apicall = NULL; |
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81 | int rc = PBSE_NONE; |
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82 | |
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83 | fsd_log_enter(( "({job_id=%s}, action=%d)", |
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84 | self->job_id, action )); |
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85 | |
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86 | TRY |
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87 | { |
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88 | int tries_left = session->max_retries_count; |
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89 | int sleep_time = 1; |
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90 | |
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91 | conn_lock = fsd_mutex_lock( &self->session->drm_connection_mutex ); |
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92 | |
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93 | /*TODO reconnect */ |
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94 | while ( true ) |
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95 | { |
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96 | switch( action ) |
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97 | { |
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98 | /* |
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99 | * We cannot know whether we did suspend job |
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100 | * in other way than remembering this inside DRMAA session. |
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101 | */ |
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102 | case DRMAA_CONTROL_SUSPEND: |
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103 | apicall = "pbs_sigjob"; |
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104 | rc = pbs_sigjob( session->pbs_conn, (char*)job_id, |
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105 | "SIGSTOP", NULL ); |
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106 | fsd_log_info(("pbs_sigjob(%s, SIGSTOP) =%d", job_id, rc)); |
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107 | if( rc == PBSE_NONE ) |
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108 | self->flags |= FSD_JOB_SUSPENDED; |
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109 | break; |
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110 | case DRMAA_CONTROL_RESUME: |
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111 | apicall = "pbs_sigjob"; |
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112 | rc = pbs_sigjob( session->pbs_conn, (char*)job_id, |
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113 | "SIGCONT", NULL ); |
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114 | fsd_log_info(("pbs_sigjob(%s, SIGCONT) =%d", job_id, rc)); |
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115 | if( rc == PBSE_NONE ) |
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116 | self->flags &= ~FSD_JOB_SUSPENDED; |
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117 | break; |
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118 | case DRMAA_CONTROL_HOLD: |
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119 | apicall = "pbs_holdjob"; |
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120 | rc = pbs_holdjob( session->pbs_conn, (char*)job_id, |
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121 | USER_HOLD, NULL ); |
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122 | fsd_log_info(("pbs_sigjob(%s, SIGHOLD) =%d", job_id, rc)); |
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123 | if( rc == PBSE_NONE ) |
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124 | self->flags |= FSD_JOB_HOLD; |
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125 | break; |
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126 | case DRMAA_CONTROL_RELEASE: |
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127 | apicall = "pbs_rlsjob"; |
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128 | rc = pbs_rlsjob( session->pbs_conn, (char*)job_id, |
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129 | USER_HOLD, NULL ); |
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130 | fsd_log_info(("pbs_rlsjob(%s) =%d", job_id, rc)); |
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131 | if( rc == PBSE_NONE ) |
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132 | self->flags &= FSD_JOB_HOLD; |
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133 | break; |
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134 | case DRMAA_CONTROL_TERMINATE: |
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135 | apicall = "pbs_deljob"; |
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136 | rc = pbs_deljob( session->pbs_conn, (char*)job_id, NULL ); |
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137 | fsd_log_info(("pbs_deljob(%s) =%d", job_id, rc)); |
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138 | /* Torque: |
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139 | * deldelay=N -- delay between SIGTERM and SIGKILL (default 0) */ |
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140 | if( rc == PBSE_NONE ) |
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141 | { |
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142 | self->flags &= FSD_JOB_TERMINATED_MASK; |
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143 | if( (self->flags & FSD_JOB_TERMINATED) == 0 ) |
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144 | self->flags |= FSD_JOB_TERMINATED | FSD_JOB_ABORTED; |
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145 | } |
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146 | break; |
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147 | } |
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148 | |
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149 | retry_connect: |
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150 | if ( rc == PBSE_NONE ) |
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151 | break; |
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152 | else if (( rc == PBSE_INTERNAL || rc == PBSE_PROTOCOL || rc == PBSE_EXPIRED) && (tries_left--)) |
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153 | { |
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154 | if (rc == PBSE_PROTOCOL || rc == PBSE_EXPIRED) |
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155 | { |
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156 | if ( session->pbs_conn >= 0) |
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157 | pbs_disconnect( session->pbs_conn ); |
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158 | |
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159 | sleep( sleep_time++ ); |
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160 | |
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161 | session->pbs_conn = pbs_connect( session->super.contact ); |
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162 | |
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163 | if (session->pbs_conn < 0) |
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164 | goto retry_connect; |
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165 | |
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166 | fsd_log_info(( "pbs_connect(%s) =%d", session->super.contact, session->pbs_conn )); |
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167 | } |
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168 | else /* PBSE_INTERNAL */ |
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169 | { |
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170 | /* |
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171 | * In PBS Pro pbs_sigjob raises internal server error (PBSE_INTERNAL) |
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172 | * when job just changed its state to running. |
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173 | */ |
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174 | sleep( sleep_time++ ); |
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175 | } |
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176 | fsd_log_debug(( "repeating request (%d of %d)", tries_left, session->max_retries_count)); |
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177 | } |
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178 | else |
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179 | pbsdrmaa_exc_raise_pbs( apicall ); |
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180 | } /* end while */ |
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181 | } |
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182 | FINALLY |
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183 | { |
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184 | if( conn_lock ) |
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185 | conn_lock = fsd_mutex_unlock( &self->session->drm_connection_mutex ); |
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186 | } |
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187 | END_TRY |
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188 | |
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189 | fsd_log_return(("")); |
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190 | } |
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191 | |
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192 | |
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193 | void |
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194 | pbsdrmaa_job_update_status( fsd_job_t *self ) |
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195 | { |
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196 | volatile bool conn_lock = false; |
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197 | struct batch_status *volatile status = NULL; |
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198 | pbsdrmaa_session_t *session = (pbsdrmaa_session_t*)self->session; |
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199 | int tries_left = session->max_retries_count; |
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200 | int sleep_time = 1; |
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201 | |
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202 | fsd_log_enter(( "({job_id=%s})", self->job_id )); |
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203 | |
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204 | TRY |
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205 | { |
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206 | conn_lock = fsd_mutex_lock( &self->session->drm_connection_mutex ); |
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207 | retry: |
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208 | |
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209 | #ifdef PBS_PROFESSIONAL |
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210 | status = pbs_statjob( session->pbs_conn, self->job_id, NULL, NULL ); |
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211 | #else |
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212 | status = pbs_statjob( session->pbs_conn, self->job_id, session->status_attrl, NULL ); |
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213 | #endif |
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214 | fsd_log_info(( "pbs_statjob(fd=%d, job_id=%s, attribs={...}) =%p", |
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215 | session->pbs_conn, self->job_id, (void*)status )); |
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216 | if( status == NULL ) |
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217 | { |
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218 | |
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219 | #ifndef PBS_PROFESSIONAL |
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220 | if ( pbs_errno != PBSE_UNKJOBID ) |
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221 | fsd_log_error(("pbs_statjob error: %d, %s, %s", pbs_errno, pbse_to_txt(pbs_errno), pbs_strerror(pbs_errno))); |
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222 | else |
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223 | fsd_log_debug(("pbs_statjob error: %d, %s, %s", pbs_errno, pbse_to_txt(pbs_errno), pbs_strerror(pbs_errno))); |
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224 | #else |
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225 | # ifndef PBS_PROFESSIONAL_NO_LOG |
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226 | if ( pbs_errno != PBSE_UNKJOBID ) |
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227 | fsd_log_error(("pbs_statjob error: %d, %s", pbs_errno, pbse_to_txt(pbs_errno))); |
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228 | else |
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229 | fsd_log_debug(("pbs_statjob error: %d, %s", pbs_errno, pbse_to_txt(pbs_errno))); |
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230 | # else |
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231 | if ( pbs_errno != PBSE_UNKJOBID ) |
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232 | fsd_log_error(("pbs_statjob error: %d", pbs_errno)); |
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233 | else |
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234 | fsd_log_debug(("pbs_statjob error: %d", pbs_errno)); |
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235 | # endif |
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236 | #endif |
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237 | |
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238 | switch( pbs_errno ) |
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239 | { |
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240 | case PBSE_UNKJOBID: |
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241 | break; |
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242 | case PBSE_PROTOCOL: |
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243 | case PBSE_EXPIRED: |
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244 | if ( session->pbs_conn >= 0 ) |
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245 | pbs_disconnect( session->pbs_conn ); |
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246 | fsd_log_info(("Protocol error. Reconnecting...")); |
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247 | retry_connect: |
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248 | sleep(sleep_time++); |
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249 | session->pbs_conn = pbs_connect( session->super.contact ); |
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250 | if( session->pbs_conn < 0 ) |
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251 | { |
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252 | if (tries_left--) { |
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253 | fsd_log_info(("%d tries left. Retrying...", tries_left)); |
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254 | goto retry_connect; |
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255 | } else { |
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256 | fsd_log_error(("No more tries left... Throwing exception")); |
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257 | pbsdrmaa_exc_raise_pbs( "pbs_connect" ); |
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258 | } |
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259 | } |
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260 | else |
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261 | { |
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262 | goto retry; |
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263 | } |
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264 | default: |
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265 | pbsdrmaa_exc_raise_pbs( "pbs_statjob" ); |
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266 | break; |
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267 | case 0: /* ? */ |
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268 | fsd_exc_raise_code( FSD_ERRNO_INTERNAL_ERROR ); |
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269 | break; |
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270 | } |
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271 | |
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272 | } |
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273 | |
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274 | conn_lock = fsd_mutex_unlock( &self->session->drm_connection_mutex ); |
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275 | |
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276 | |
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277 | if( status != NULL ) |
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278 | { |
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279 | ((pbsdrmaa_job_t*)self)->update( self, status ); |
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280 | } |
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281 | else if( self->state < DRMAA_PS_DONE ) |
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282 | { |
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283 | self->on_missing( self ); |
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284 | } |
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285 | } |
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286 | FINALLY |
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287 | { |
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288 | if( conn_lock ) |
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289 | conn_lock = fsd_mutex_unlock( &self->session->drm_connection_mutex ); |
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290 | if( status != NULL ) |
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291 | pbs_statfree( status ); |
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292 | } |
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293 | END_TRY |
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294 | |
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295 | fsd_log_return(("")); |
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296 | } |
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297 | |
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298 | |
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299 | void |
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300 | pbsdrmaa_job_update( fsd_job_t *self, struct batch_status *status ) |
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301 | { |
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302 | struct attrl *attribs = status->attribs; |
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303 | struct attrl *i = NULL; |
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304 | char pbs_state = 0; |
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305 | int exit_status = -2; |
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306 | const char *cpu_usage = NULL; |
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307 | const char *mem_usage = NULL; |
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308 | const char *vmem_usage = NULL; |
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309 | const char *walltime = NULL; |
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310 | long unsigned int modify_time = 0; |
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311 | |
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312 | fsd_log_enter(( "({job_id=%s})", self->job_id )); |
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313 | #ifdef DEBUGGING |
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314 | pbsdrmaa_dump_attrl( attribs, NULL ); |
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315 | #endif |
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316 | fsd_assert( !strcmp( self->job_id, status->name ) ); |
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317 | |
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318 | for( i = attribs; i != NULL; i = i->next ) |
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319 | { |
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320 | int attr; |
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321 | attr = pbsdrmaa_pbs_attrib_by_name( i->name ); |
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322 | switch( attr ) |
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323 | { |
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324 | case PBSDRMAA_ATTR_JOB_STATE: |
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325 | pbs_state = i->value[0]; |
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326 | break; |
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327 | case PBSDRMAA_ATTR_EXIT_STATUS: |
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328 | exit_status = fsd_atoi( i->value ); |
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329 | break; |
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330 | case PBSDRMAA_ATTR_RESOURCES_USED: |
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331 | if( !strcmp( i->resource, "cput" ) ) |
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332 | cpu_usage = i->value; |
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333 | else if( !strcmp( i->resource, "mem" ) ) |
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334 | mem_usage = i->value; |
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335 | else if( !strcmp( i->resource, "vmem" ) ) |
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336 | vmem_usage = i->value; |
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337 | else if( !strcmp( i->resource, "walltime" ) ) |
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338 | walltime = i->value; |
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339 | break; |
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340 | case PBSDRMAA_ATTR_QUEUE: |
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341 | if (!self->queue) |
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342 | self->queue = fsd_strdup(i->value); |
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343 | break; |
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344 | case PBSDRMAA_ATTR_ACCOUNT_NAME: |
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345 | if (!self->project) |
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346 | self->project = fsd_strdup(i->value); |
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347 | break; |
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348 | #ifndef PBS_PROFESSIONAL |
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349 | case PBSDRMAA_ATTR_EXECUTION_HOST: |
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350 | if (!self->execution_hosts) { |
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351 | fsd_log_debug(("execution_hosts = %s", i->value)); |
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352 | self->execution_hosts = fsd_strdup(i->value); |
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353 | } |
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354 | break; |
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355 | #else |
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356 | case PBSDRMAA_ATTR_EXECUTION_VNODE: |
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357 | if (!self->execution_hosts) { |
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358 | fsd_log_debug(("execution_hosts = %s", i->value)); |
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359 | self->execution_hosts = fsd_strdup(i->value); |
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360 | } |
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361 | break; |
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362 | #endif |
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363 | case PBSDRMAA_ATTR_START_TIME: |
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364 | { |
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365 | long unsigned int start_time; |
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366 | if (self->start_time == 0 && sscanf(i->value, "%lu", &start_time) == 1) |
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367 | self->start_time = start_time; |
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368 | break; |
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369 | } |
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370 | case PBSDRMAA_ATTR_MTIME: |
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371 | if (sscanf(i->value, "%lu", &modify_time) != 1) |
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372 | modify_time = 0; |
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373 | break; |
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374 | } |
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375 | } |
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376 | |
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377 | if( pbs_state ) |
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378 | fsd_log_debug(( "pbs_state: %c", pbs_state )); |
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379 | |
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380 | if( exit_status != -2 ) |
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381 | { |
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382 | fsd_log_debug(( "exit_status: %d", exit_status )); |
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383 | self->exit_status = exit_status; |
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384 | } |
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385 | if(pbs_state){ |
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386 | switch( pbs_state ) |
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387 | { |
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388 | case 'C': /* Job is completed after having run. */ |
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389 | self->flags &= FSD_JOB_TERMINATED_MASK; |
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390 | self->flags |= FSD_JOB_TERMINATED; |
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391 | if (exit_status != -2) { /* has exit code */ |
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392 | if( self->exit_status == 0) |
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393 | self->state = DRMAA_PS_DONE; |
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394 | else |
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395 | self->state = DRMAA_PS_FAILED; |
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396 | } else { |
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397 | self->state = DRMAA_PS_FAILED; |
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398 | self->exit_status = -1; |
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399 | } |
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400 | if (modify_time != 0) |
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401 | self->end_time = modify_time; /* take last modify time as end time */ |
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402 | else |
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403 | self->end_time = time(NULL); |
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404 | |
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405 | if (self->start_time == 0) |
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406 | self->start_time = self->end_time; |
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407 | |
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408 | break; |
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409 | case 'E': /* Job is exiting after having run. - MM: ignore exiting state (transient state) - outputs might have not been transfered yet, |
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410 | MM2: mark job as running if current job status is undetermined - fix "ps after job was ripped" */ |
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411 | if (self->state == DRMAA_PS_UNDETERMINED) |
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412 | self->state = DRMAA_PS_RUNNING; |
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413 | break; |
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414 | case 'H': /* Job is held. */ |
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415 | self->state = DRMAA_PS_USER_ON_HOLD; |
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416 | self->flags |= FSD_JOB_HOLD; |
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417 | break; |
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418 | case 'Q': /* Job is queued, eligible to run or routed. */ |
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419 | case 'W': /* Job is waiting for its execution time to be reached. */ |
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420 | self->state = DRMAA_PS_QUEUED_ACTIVE; |
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421 | self->flags &= ~FSD_JOB_HOLD; |
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422 | break; |
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423 | case 'R': /* Job is running. */ |
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424 | case 'T': /* Job is being moved to new location (?). */ |
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425 | { |
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426 | if( self->flags & FSD_JOB_SUSPENDED ) |
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427 | self->state = DRMAA_PS_USER_SUSPENDED; |
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428 | else |
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429 | self->state = DRMAA_PS_RUNNING; |
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430 | break; |
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431 | } |
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432 | case 'S': /* (Unicos only) job is suspend. */ |
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433 | self->state = DRMAA_PS_SYSTEM_SUSPENDED; |
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434 | break; |
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435 | case 0: default: |
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436 | self->state = DRMAA_PS_UNDETERMINED; |
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437 | break; |
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438 | } |
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439 | } |
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440 | fsd_log_debug(( "job_ps: %s", drmaa_job_ps_to_str(self->state) )); |
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441 | |
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442 | { |
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443 | int hours, minutes, seconds; |
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444 | long mem; |
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445 | if( cpu_usage && sscanf( cpu_usage, "%d:%d:%d", &hours, &minutes, &seconds ) == 3 ) |
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446 | { |
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447 | self->cpu_usage = 60*( 60*hours + minutes ) + seconds; |
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448 | fsd_log_debug(( "cpu_usage: %s=%lds", cpu_usage, self->cpu_usage )); |
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449 | } |
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450 | if( mem_usage && sscanf( mem_usage, "%ldkb", &mem ) == 1 ) |
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451 | { |
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452 | self->mem_usage = 1024*mem; |
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453 | fsd_log_debug(( "mem_usage: %s=%ldB", mem_usage, self->mem_usage )); |
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454 | } |
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455 | if( vmem_usage && sscanf( vmem_usage, "%ldkb", &mem ) == 1 ) |
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456 | { |
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457 | self->vmem_usage = 1024*mem; |
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458 | fsd_log_debug(( "vmem_usage: %s=%ldB", vmem_usage, self->vmem_usage )); |
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459 | } |
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460 | if( walltime && sscanf( walltime, "%d:%d:%d", &hours, &minutes, &seconds ) == 3 ) |
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461 | { |
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462 | self->walltime = 60*( 60*hours + minutes ) + seconds; |
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463 | fsd_log_debug(( "walltime: %s=%lds", walltime, self->walltime )); |
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464 | } |
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465 | } |
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466 | } |
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467 | |
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468 | void |
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469 | pbsdrmaa_job_on_missing( fsd_job_t *self ) |
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470 | { |
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471 | pbsdrmaa_session_t *pbssession = (pbsdrmaa_session_t*)self->session; |
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472 | |
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473 | if( pbssession->pbs_home != NULL && pbssession->super.wait_thread_started && self->submit_time) |
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474 | fsd_log_info(("Job on missing but WT is running. Skipping...")); /* TODO: try to provide implementation that uses accounting/server log files */ |
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475 | else |
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476 | pbsdrmaa_job_on_missing_standard( self ); |
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477 | } |
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478 | |
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479 | void |
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480 | pbsdrmaa_job_on_missing_standard( fsd_job_t *self ) |
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481 | { |
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482 | fsd_drmaa_session_t *session = self->session; |
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483 | pbsdrmaa_session_t *pbssession = (pbsdrmaa_session_t *)session; |
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484 | int exit_status = -1; |
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485 | |
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486 | fsd_log_enter(( "({job_id=%s})", self->job_id )); |
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487 | fsd_log_warning(( "Job %s missing from DRM queue", self->job_id )); |
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488 | |
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489 | fsd_log_info(( "job_on_missing: last job_ps: %s (0x%02x)", drmaa_job_ps_to_str(self->state), self->state)); |
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490 | |
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491 | if( (exit_status = pbsdrmaa_job_read_exit_status(self->job_id, pbssession->job_exit_status_file_prefix)) == 0 ) |
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492 | { |
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493 | self->state = DRMAA_PS_DONE; |
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494 | self->exit_status = exit_status; |
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495 | } |
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496 | else |
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497 | { |
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498 | self->state = DRMAA_PS_FAILED; |
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499 | self->exit_status = exit_status; |
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500 | } |
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501 | |
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502 | fsd_cond_broadcast( &self->status_cond); |
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503 | |
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504 | fsd_log_return(( "; job_ps=%s, exit_status=%d", drmaa_job_ps_to_str(self->state), self->exit_status )); |
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505 | } |
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506 | |
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507 | int |
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508 | pbsdrmaa_job_read_exit_status( const char *job_id, const char *job_state_dir_prefix) |
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509 | { |
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510 | char *status_file = NULL; |
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511 | FILE *fhandle = NULL; |
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512 | int exit_status = -1; |
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513 | |
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514 | fsd_log_enter(("({job_id=%s, job_state_dir_prefix=%s})", job_id, job_state_dir_prefix)); |
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515 | |
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516 | status_file = fsd_asprintf("%s/%s.exitcode", job_id, job_state_dir_prefix); |
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517 | |
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518 | if ((fhandle = fopen(status_file, "r")) == NULL) |
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519 | { |
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520 | fsd_log_error(("Failed to open job status file: %s", status_file)); |
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521 | } |
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522 | else |
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523 | { |
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524 | (void)fscanf(fhandle, "%d", &exit_status); /*on error exit_status == -1 */ |
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525 | fclose(fhandle); |
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526 | } |
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527 | |
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528 | fsd_free(status_file); |
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529 | |
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530 | return exit_status; |
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531 | } |
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532 | |
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