/*
* Wait until a job is ready to execute or enters some failed state
* RET 1: job ready to run
* 0: job can't run (cancelled, failure state, timeout, etc.)
*/
extern int scontrol_job_ready(char *job_id_str)
{
int rc;
uint32_t job_id;
job_id = atoi(job_id_str);
if (job_id <= 0) {
fprintf(stderr, "Invalid job_id %s", job_id_str);
return SLURM_ERROR;
}
if (cluster_flags & CLUSTER_FLAG_BG) {
resource_allocation_response_msg_t *alloc;
rc = slurm_allocation_lookup_lite(job_id, &alloc);
if (rc == SLURM_SUCCESS) {
rc = _wait_bluegene_block_ready(alloc);
slurm_free_resource_allocation_response_msg(alloc);
} else {
error("slurm_allocation_lookup_lite: %m");
rc = SLURM_ERROR;
}
} else
rc = _wait_nodes_ready(job_id);
return rc;
}
resource_allocation_response_msg_t *
allocate_nodes(void)
{
resource_allocation_response_msg_t *resp = NULL;
job_desc_msg_t *j = job_desc_msg_create_from_opts();
slurm_allocation_callbacks_t callbacks;
int i;
if (!j)
return NULL;
/* Do not re-use existing job id when submitting new job
* from within a running job */
if ((j->job_id != NO_VAL) && !opt.jobid_set) {
info("WARNING: Creating SLURM job allocation from within "
"another allocation");
info("WARNING: You are attempting to initiate a second job");
if (!opt.jobid_set) /* Let slurmctld set jobid */
j->job_id = NO_VAL;
}
callbacks.ping = _ping_handler;
callbacks.timeout = _timeout_handler;
callbacks.job_complete = _job_complete_handler;
callbacks.user_msg = _user_msg_handler;
callbacks.node_fail = _node_fail_handler;
/* create message thread to handle pings and such from slurmctld */
msg_thr = slurm_allocation_msg_thr_create(&j->other_port, &callbacks);
/* NOTE: Do not process signals in separate pthread. The signal will
* cause slurm_allocate_resources_blocking() to exit immediately. */
xsignal_unblock(sig_array);
for (i = 0; sig_array[i]; i++)
xsignal(sig_array[i], _signal_while_allocating);
while (!resp) {
resp = slurm_allocate_resources_blocking(j, opt.immediate,
_set_pending_job_id);
if (destroy_job) {
/* cancelled by signal */
break;
} else if (!resp && !_retry()) {
break;
}
}
if (resp && !destroy_job) {
/*
* Allocation granted!
*/
pending_job_id = resp->job_id;
#ifdef HAVE_BG
if (!_wait_bluegene_block_ready(resp)) {
if(!destroy_job)
error("Something is wrong with the "
"boot of the block.");
goto relinquish;
}
#else
if (!_wait_nodes_ready(resp)) {
if(!destroy_job)
error("Something is wrong with the "
"boot of the nodes.");
goto relinquish;
}
#endif
} else if (destroy_job) {
goto relinquish;
}
xsignal_block(sig_array);
job_desc_msg_destroy(j);
return resp;
relinquish:
slurm_free_resource_allocation_response_msg(resp);
if (!destroy_job)
slurm_complete_job(resp->job_id, 1);
exit(error_exit);
return NULL;
}
resource_allocation_response_msg_t *
allocate_nodes(bool handle_signals)
{
resource_allocation_response_msg_t *resp = NULL;
job_desc_msg_t *j = job_desc_msg_create_from_opts();
slurm_allocation_callbacks_t callbacks;
int i;
if (!j)
return NULL;
/* Do not re-use existing job id when submitting new job
* from within a running job */
if ((j->job_id != NO_VAL) && !opt.jobid_set) {
info("WARNING: Creating SLURM job allocation from within "
"another allocation");
info("WARNING: You are attempting to initiate a second job");
if (!opt.jobid_set) /* Let slurmctld set jobid */
j->job_id = NO_VAL;
}
callbacks.ping = _ping_handler;
callbacks.timeout = _timeout_handler;
callbacks.job_complete = _job_complete_handler;
callbacks.job_suspend = NULL;
callbacks.user_msg = _user_msg_handler;
callbacks.node_fail = _node_fail_handler;
/* create message thread to handle pings and such from slurmctld */
msg_thr = slurm_allocation_msg_thr_create(&j->other_port, &callbacks);
/* NOTE: Do not process signals in separate pthread. The signal will
* cause slurm_allocate_resources_blocking() to exit immediately. */
if (handle_signals) {
xsignal_unblock(sig_array);
for (i = 0; sig_array[i]; i++)
xsignal(sig_array[i], _signal_while_allocating);
}
while (!resp) {
resp = slurm_allocate_resources_blocking(j, opt.immediate,
_set_pending_job_id);
if (destroy_job) {
/* cancelled by signal */
break;
} else if (!resp && !_retry()) {
break;
}
}
if (resp && !destroy_job) {
/*
* Allocation granted!
*/
pending_job_id = resp->job_id;
/*
* These values could be changed while the job was
* pending so overwrite the request with what was
* allocated so we don't have issues when we use them
* in the step creation.
*/
if (opt.pn_min_memory != NO_VAL)
opt.pn_min_memory = (resp->pn_min_memory &
(~MEM_PER_CPU));
else if (opt.mem_per_cpu != NO_VAL)
opt.mem_per_cpu = (resp->pn_min_memory &
(~MEM_PER_CPU));
/*
* FIXME: timelimit should probably also be updated
* here since it could also change.
*/
#ifdef HAVE_BG
uint32_t node_cnt = 0;
select_g_select_jobinfo_get(resp->select_jobinfo,
SELECT_JOBDATA_NODE_CNT,
&node_cnt);
if ((node_cnt == 0) || (node_cnt == NO_VAL)) {
opt.min_nodes = node_cnt;
opt.max_nodes = node_cnt;
} /* else we just use the original request */
if (!_wait_bluegene_block_ready(resp)) {
if (!destroy_job)
error("Something is wrong with the "
"boot of the block.");
goto relinquish;
}
#else
opt.min_nodes = resp->node_cnt;
opt.max_nodes = resp->node_cnt;
if (!_wait_nodes_ready(resp)) {
if (!destroy_job)
error("Something is wrong with the "
"boot of the nodes.");
goto relinquish;
}
#endif
} else if (destroy_job) {
goto relinquish;
}
if (handle_signals)
xsignal_block(sig_array);
job_desc_msg_destroy(j);
return resp;
relinquish:
if (resp) {
if (!destroy_job)
slurm_complete_job(resp->job_id, 1);
slurm_free_resource_allocation_response_msg(resp);
}
exit(error_exit);
return NULL;
}
int main(int argc, char *argv[])
{
log_options_t logopt = LOG_OPTS_STDERR_ONLY;
job_desc_msg_t desc;
resource_allocation_response_msg_t *alloc;
time_t before, after;
allocation_msg_thread_t *msg_thr;
char **env = NULL;
int status = 0;
int retries = 0;
pid_t pid = getpid();
pid_t tpgid = 0;
pid_t rc_pid = 0;
int i, rc = 0;
static char *msg = "Slurm job queue full, sleeping and retrying.";
slurm_allocation_callbacks_t callbacks;
log_init(xbasename(argv[0]), logopt, 0, NULL);
_set_exit_code();
if (spank_init_allocator() < 0) {
error("Failed to initialize plugin stack");
exit(error_exit);
}
/* Be sure to call spank_fini when salloc exits
*/
if (atexit((void (*) (void)) spank_fini) < 0)
error("Failed to register atexit handler for plugins: %m");
if (initialize_and_process_args(argc, argv) < 0) {
error("salloc parameter parsing");
exit(error_exit);
}
/* reinit log with new verbosity (if changed by command line) */
if (opt.verbose || opt.quiet) {
logopt.stderr_level += opt.verbose;
logopt.stderr_level -= opt.quiet;
logopt.prefix_level = 1;
log_alter(logopt, 0, NULL);
}
if (spank_init_post_opt() < 0) {
error("Plugin stack post-option processing failed");
exit(error_exit);
}
_set_spank_env();
_set_submit_dir_env();
if (opt.cwd && chdir(opt.cwd)) {
error("chdir(%s): %m", opt.cwd);
exit(error_exit);
}
if (opt.get_user_env_time >= 0) {
char *user = uid_to_string(opt.uid);
if (strcmp(user, "nobody") == 0) {
error("Invalid user id %u: %m", (uint32_t)opt.uid);
exit(error_exit);
}
env = env_array_user_default(user,
opt.get_user_env_time,
opt.get_user_env_mode);
xfree(user);
if (env == NULL)
exit(error_exit); /* error already logged */
_set_rlimits(env);
}
/*
* Job control for interactive salloc sessions: only if ...
*
* a) input is from a terminal (stdin has valid termios attributes),
* b) controlling terminal exists (non-negative tpgid),
* c) salloc is not run in allocation-only (--no-shell) mode,
* d) salloc runs in its own process group (true in interactive
* shells that support job control),
* e) salloc has been configured at compile-time to support background
* execution and is not currently in the background process group.
*/
if (tcgetattr(STDIN_FILENO, &saved_tty_attributes) < 0) {
/*
* Test existence of controlling terminal (tpgid > 0)
* after first making sure stdin is not redirected.
*/
} else if ((tpgid = tcgetpgrp(STDIN_FILENO)) < 0) {
if (!opt.no_shell) {
error("no controlling terminal: please set --no-shell");
exit(error_exit);
}
} else if ((!opt.no_shell) && (pid == getpgrp())) {
if (tpgid == pid)
is_interactive = true;
#ifdef SALLOC_RUN_FOREGROUND
while (tcgetpgrp(STDIN_FILENO) != pid) {
if (!is_interactive) {
error("Waiting for program to be placed in "
"the foreground");
is_interactive = true;
}
killpg(pid, SIGTTIN);
}
#endif
}
/*
* Reset saved tty attributes at exit, in case a child
* process died before properly resetting terminal.
*/
if (is_interactive)
atexit (_reset_input_mode);
/*
* Request a job allocation
*/
slurm_init_job_desc_msg(&desc);
if (_fill_job_desc_from_opts(&desc) == -1) {
exit(error_exit);
}
if (opt.gid != (gid_t) -1) {
if (setgid(opt.gid) < 0) {
error("setgid: %m");
exit(error_exit);
}
}
callbacks.ping = _ping_handler;
callbacks.timeout = _timeout_handler;
callbacks.job_complete = _job_complete_handler;
callbacks.user_msg = _user_msg_handler;
callbacks.node_fail = _node_fail_handler;
/* create message thread to handle pings and such from slurmctld */
msg_thr = slurm_allocation_msg_thr_create(&desc.other_port,
&callbacks);
/* NOTE: Do not process signals in separate pthread. The signal will
* cause slurm_allocate_resources_blocking() to exit immediately. */
for (i = 0; sig_array[i]; i++)
xsignal(sig_array[i], _signal_while_allocating);
before = time(NULL);
while ((alloc = slurm_allocate_resources_blocking(&desc, opt.immediate,
_pending_callback)) == NULL) {
if ((errno != ESLURM_ERROR_ON_DESC_TO_RECORD_COPY) ||
(retries >= MAX_RETRIES))
break;
if (retries == 0)
error("%s", msg);
else
debug("%s", msg);
sleep (++retries);
}
/* become the user after the allocation has been requested. */
if (opt.uid != (uid_t) -1) {
if (setuid(opt.uid) < 0) {
error("setuid: %m");
exit(error_exit);
}
}
if (alloc == NULL) {
if (allocation_interrupted) {
/* cancelled by signal */
info("Job aborted due to signal");
} else if (errno == EINTR) {
error("Interrupted by signal."
" Allocation request rescinded.");
} else if (opt.immediate &&
((errno == ETIMEDOUT) ||
(errno == ESLURM_NOT_TOP_PRIORITY) ||
(errno == ESLURM_NODES_BUSY))) {
error("Unable to allocate resources: %m");
error_exit = immediate_exit;
} else {
error("Failed to allocate resources: %m");
}
slurm_allocation_msg_thr_destroy(msg_thr);
exit(error_exit);
} else if (!allocation_interrupted) {
/*
* Allocation granted!
*/
info("Granted job allocation %u", alloc->job_id);
pending_job_id = alloc->job_id;
#ifdef HAVE_BG
if (!_wait_bluegene_block_ready(alloc)) {
if(!allocation_interrupted)
error("Something is wrong with the "
"boot of the block.");
goto relinquish;
}
#else
if (!_wait_nodes_ready(alloc)) {
if(!allocation_interrupted)
error("Something is wrong with the "
"boot of the nodes.");
goto relinquish;
}
#endif
}
after = time(NULL);
if (opt.bell == BELL_ALWAYS
|| (opt.bell == BELL_AFTER_DELAY
&& ((after - before) > DEFAULT_BELL_DELAY))) {
_ring_terminal_bell();
}
if (opt.no_shell)
exit(0);
if (allocation_interrupted) {
/* salloc process received a signal after
* slurm_allocate_resources_blocking returned with the
* allocation, but before the new signal handlers were
* registered.
*/
goto relinquish;
}
/*
* Run the user's command.
*/
if (env_array_for_job(&env, alloc, &desc) != SLURM_SUCCESS)
goto relinquish;
/* Add default task count for srun, if not already set */
if (opt.ntasks_set) {
env_array_append_fmt(&env, "SLURM_NTASKS", "%d", opt.ntasks);
/* keep around for old scripts */
env_array_append_fmt(&env, "SLURM_NPROCS", "%d", opt.ntasks);
}
if (opt.cpus_per_task > 1) {
env_array_append_fmt(&env, "SLURM_CPUS_PER_TASK", "%d",
opt.cpus_per_task);
}
if (opt.overcommit) {
env_array_append_fmt(&env, "SLURM_OVERCOMMIT", "%d",
opt.overcommit);
}
if (opt.acctg_freq >= 0) {
env_array_append_fmt(&env, "SLURM_ACCTG_FREQ", "%d",
opt.acctg_freq);
}
if (opt.network)
env_array_append_fmt(&env, "SLURM_NETWORK", "%s", opt.network);
env_array_set_environment(env);
env_array_free(env);
pthread_mutex_lock(&allocation_state_lock);
if (allocation_state == REVOKED) {
error("Allocation was revoked for job %u before command could "
"be run", alloc->job_id);
pthread_mutex_unlock(&allocation_state_lock);
if (slurm_complete_job(alloc->job_id, status) != 0) {
error("Unable to clean up allocation for job %u: %m",
alloc->job_id);
}
return 1;
}
allocation_state = GRANTED;
pthread_mutex_unlock(&allocation_state_lock);
/* Ensure that salloc has initial terminal foreground control. */
if (is_interactive) {
/*
* Ignore remaining job-control signals (other than those in
* sig_array, which at this state act like SIG_IGN).
*/
xsignal(SIGTSTP, SIG_IGN);
xsignal(SIGTTIN, SIG_IGN);
xsignal(SIGTTOU, SIG_IGN);
pid = getpid();
setpgid(pid, pid);
tcsetpgrp(STDIN_FILENO, pid);
}
command_pid = _fork_command(command_argv);
/*
* Wait for command to exit, OR for waitpid to be interrupted by a
* signal. Either way, we are going to release the allocation next.
*/
if (command_pid > 0) {
setpgid(command_pid, command_pid);
if (is_interactive)
tcsetpgrp(STDIN_FILENO, command_pid);
/* NOTE: Do not process signals in separate pthread.
* The signal will cause waitpid() to exit immediately. */
xsignal(SIGHUP, _exit_on_signal);
/* Use WUNTRACED to treat stopped children like terminated ones */
do {
rc_pid = waitpid(command_pid, &status, WUNTRACED);
} while ((rc_pid == -1) && (!exit_flag));
if ((rc_pid == -1) && (errno != EINTR))
error("waitpid for %s failed: %m", command_argv[0]);
}
if (is_interactive)
tcsetpgrp(STDIN_FILENO, pid);
/*
* Relinquish the job allocation (if not already revoked).
*/
relinquish:
pthread_mutex_lock(&allocation_state_lock);
if (allocation_state != REVOKED) {
pthread_mutex_unlock(&allocation_state_lock);
info("Relinquishing job allocation %d", alloc->job_id);
if ((slurm_complete_job(alloc->job_id, status) != 0) &&
(slurm_get_errno() != ESLURM_ALREADY_DONE))
error("Unable to clean up job allocation %d: %m",
alloc->job_id);
pthread_mutex_lock(&allocation_state_lock);
allocation_state = REVOKED;
}
pthread_mutex_unlock(&allocation_state_lock);
slurm_free_resource_allocation_response_msg(alloc);
slurm_allocation_msg_thr_destroy(msg_thr);
/*
* Figure out what return code we should use. If the user's command
* exited normally, return the user's return code.
*/
rc = 1;
if (rc_pid != -1) {
if (WIFEXITED(status)) {
rc = WEXITSTATUS(status);
} else if (WIFSIGNALED(status)) {
verbose("Command \"%s\" was terminated by signal %d",
command_argv[0], WTERMSIG(status));
/* if we get these signals we return a normal
* exit since this was most likely sent from the
* user */
switch(WTERMSIG(status)) {
case SIGHUP:
case SIGINT:
case SIGQUIT:
case SIGKILL:
rc = 0;
break;
default:
break;
}
}
}
return rc;
}
/*
* Allocate nodes for heterogeneous/pack job from the slurm controller --
* retrying the attempt if the controller appears to be down, and optionally
* waiting for resources if none are currently available (see opt.immediate)
*
* Returns a pointer to a resource_allocation_response_msg which must
* be freed with slurm_free_resource_allocation_response_msg()
*/
List allocate_pack_nodes(bool handle_signals)
{
resource_allocation_response_msg_t *resp = NULL;
bool jobid_log = true;
job_desc_msg_t *j, *first_job = NULL;
slurm_allocation_callbacks_t callbacks;
ListIterator opt_iter, resp_iter;
slurm_opt_t *opt_local, *first_opt = NULL;
List job_req_list = NULL, job_resp_list = NULL;
uint32_t my_job_id = 0;
int i, k;
job_req_list = list_create(NULL);
opt_iter = list_iterator_create(opt_list);
while ((opt_local = list_next(opt_iter))) {
srun_opt_t *srun_opt = opt_local->srun_opt;
xassert(srun_opt);
if (!first_opt)
first_opt = opt_local;
if (srun_opt->relative_set && srun_opt->relative)
fatal("--relative option invalid for job allocation request");
if ((j = _job_desc_msg_create_from_opts(opt_local)) == NULL)
return NULL;
if (!first_job)
first_job = j;
j->origin_cluster = xstrdup(slurmctld_conf.cluster_name);
/* Do not re-use existing job id when submitting new job
* from within a running job */
if ((j->job_id != NO_VAL) && !opt_local->jobid_set) {
if (jobid_log) {
jobid_log = false; /* log once */
info("WARNING: Creating SLURM job allocation from within "
"another allocation");
info("WARNING: You are attempting to initiate a second job");
}
if (!opt_local->jobid_set) /* Let slurmctld set jobid */
j->job_id = NO_VAL;
}
list_append(job_req_list, j);
}
list_iterator_destroy(opt_iter);
if (!first_job) {
error("%s: No job requests found", __func__);
return NULL;
}
if (first_opt && first_opt->clusters &&
(slurmdb_get_first_pack_cluster(job_req_list, first_opt->clusters,
&working_cluster_rec)
!= SLURM_SUCCESS)) {
print_db_notok(first_opt->clusters, 0);
return NULL;
}
callbacks.ping = _ping_handler;
callbacks.timeout = _timeout_handler;
callbacks.job_complete = _job_complete_handler;
callbacks.job_suspend = NULL;
callbacks.user_msg = _user_msg_handler;
callbacks.node_fail = _node_fail_handler;
/* create message thread to handle pings and such from slurmctld */
msg_thr = slurm_allocation_msg_thr_create(&first_job->other_port,
&callbacks);
/* NOTE: Do not process signals in separate pthread. The signal will
* cause slurm_allocate_resources_blocking() to exit immediately. */
if (handle_signals) {
xsignal_unblock(sig_array);
for (i = 0; sig_array[i]; i++)
xsignal(sig_array[i], _signal_while_allocating);
}
while (first_opt && !job_resp_list) {
job_resp_list = slurm_allocate_pack_job_blocking(job_req_list,
first_opt->immediate, _set_pending_job_id);
if (destroy_job) {
/* cancelled by signal */
break;
} else if (!job_resp_list && !_retry()) {
break;
}
}
if (job_resp_list && !destroy_job) {
/*
* Allocation granted!
*/
opt_iter = list_iterator_create(opt_list);
resp_iter = list_iterator_create(job_resp_list);
while ((opt_local = list_next(opt_iter))) {
resp = (resource_allocation_response_msg_t *)
list_next(resp_iter);
if (!resp)
break;
if (pending_job_id == 0)
pending_job_id = resp->job_id;
if (my_job_id == 0) {
my_job_id = resp->job_id;
i = list_count(opt_list);
k = list_count(job_resp_list);
if (i != k) {
error("%s: request count != response count (%d != %d)",
__func__, i, k);
goto relinquish;
}
}
/*
* These values could be changed while the job was
* pending so overwrite the request with what was
* allocated so we don't have issues when we use them
* in the step creation.
*
* NOTE: pn_min_memory here is an int64, not uint64.
* These operations may have some bizarre side effects
*/
if (opt_local->pn_min_memory != NO_VAL64)
opt_local->pn_min_memory =
(resp->pn_min_memory & (~MEM_PER_CPU));
else if (opt_local->mem_per_cpu != NO_VAL64)
opt_local->mem_per_cpu =
(resp->pn_min_memory & (~MEM_PER_CPU));
#ifdef HAVE_BG
uint32_t node_cnt = 0;
select_g_select_jobinfo_get(resp->select_jobinfo,
SELECT_JOBDATA_NODE_CNT,
&node_cnt);
if ((node_cnt == 0) || (node_cnt == NO_VAL)) {
opt_local->min_nodes = node_cnt;
opt_local->max_nodes = node_cnt;
} /* else we just use the original request */
if (!_wait_bluegene_block_ready(resp)) {
if (!destroy_job)
error("Something is wrong with the "
"boot of the block.");
goto relinquish;
}
#else
opt_local->min_nodes = resp->node_cnt;
opt_local->max_nodes = resp->node_cnt;
if (resp->working_cluster_rec)
slurm_setup_remote_working_cluster(resp);
if (!_wait_nodes_ready(resp)) {
if (!destroy_job)
error("Something is wrong with the "
"boot of the nodes.");
goto relinquish;
}
#endif
}
list_iterator_destroy(resp_iter);
list_iterator_destroy(opt_iter);
} else if (destroy_job) {
goto relinquish;
}
if (handle_signals)
xsignal_block(sig_array);
return job_resp_list;
relinquish:
if (job_resp_list) {
if (!destroy_job && my_job_id)
slurm_complete_job(my_job_id, 1);
list_destroy(job_resp_list);
}
exit(error_exit);
return NULL;
}
/*
* Allocate nodes from the slurm controller -- retrying the attempt
* if the controller appears to be down, and optionally waiting for
* resources if none are currently available (see opt.immediate)
*
* Returns a pointer to a resource_allocation_response_msg which must
* be freed with slurm_free_resource_allocation_response_msg()
*/
extern resource_allocation_response_msg_t *
allocate_nodes(bool handle_signals, slurm_opt_t *opt_local)
{
srun_opt_t *srun_opt = opt_local->srun_opt;
resource_allocation_response_msg_t *resp = NULL;
job_desc_msg_t *j;
slurm_allocation_callbacks_t callbacks;
int i;
xassert(srun_opt);
if (srun_opt->relative_set && srun_opt->relative)
fatal("--relative option invalid for job allocation request");
if ((j = _job_desc_msg_create_from_opts(&opt)) == NULL)
return NULL;
if (opt_local->clusters &&
(slurmdb_get_first_avail_cluster(j, opt_local->clusters,
&working_cluster_rec)
!= SLURM_SUCCESS)) {
print_db_notok(opt_local->clusters, 0);
return NULL;
}
j->origin_cluster = xstrdup(slurmctld_conf.cluster_name);
/* Do not re-use existing job id when submitting new job
* from within a running job */
if ((j->job_id != NO_VAL) && !opt_local->jobid_set) {
info("WARNING: Creating SLURM job allocation from within "
"another allocation");
info("WARNING: You are attempting to initiate a second job");
if (!opt_local->jobid_set) /* Let slurmctld set jobid */
j->job_id = NO_VAL;
}
callbacks.ping = _ping_handler;
callbacks.timeout = _timeout_handler;
callbacks.job_complete = _job_complete_handler;
callbacks.job_suspend = NULL;
callbacks.user_msg = _user_msg_handler;
callbacks.node_fail = _node_fail_handler;
/* create message thread to handle pings and such from slurmctld */
msg_thr = slurm_allocation_msg_thr_create(&j->other_port, &callbacks);
/* NOTE: Do not process signals in separate pthread. The signal will
* cause slurm_allocate_resources_blocking() to exit immediately. */
if (handle_signals) {
xsignal_unblock(sig_array);
for (i = 0; sig_array[i]; i++)
xsignal(sig_array[i], _signal_while_allocating);
}
while (!resp) {
resp = slurm_allocate_resources_blocking(j,
opt_local->immediate,
_set_pending_job_id);
if (destroy_job) {
/* cancelled by signal */
break;
} else if (!resp && !_retry()) {
break;
}
}
if (resp)
print_multi_line_string(resp->job_submit_user_msg, -1);
if (resp && !destroy_job) {
/*
* Allocation granted!
*/
pending_job_id = resp->job_id;
/*
* These values could be changed while the job was
* pending so overwrite the request with what was
* allocated so we don't have issues when we use them
* in the step creation.
*/
opt_local->pn_min_memory = NO_VAL64;
opt_local->mem_per_cpu = NO_VAL64;
if (resp->pn_min_memory != NO_VAL64) {
if (resp->pn_min_memory & MEM_PER_CPU) {
opt_local->mem_per_cpu = (resp->pn_min_memory &
(~MEM_PER_CPU));
} else {
opt_local->pn_min_memory = resp->pn_min_memory;
}
}
#ifdef HAVE_BG
uint32_t node_cnt = 0;
select_g_select_jobinfo_get(resp->select_jobinfo,
SELECT_JOBDATA_NODE_CNT,
&node_cnt);
if ((node_cnt == 0) || (node_cnt == NO_VAL)) {
opt_local->min_nodes = node_cnt;
opt_local->max_nodes = node_cnt;
} /* else we just use the original request */
if (!_wait_bluegene_block_ready(resp)) {
if (!destroy_job)
error("Something is wrong with the "
"boot of the block.");
goto relinquish;
}
#else
opt_local->min_nodes = resp->node_cnt;
opt_local->max_nodes = resp->node_cnt;
if (resp->working_cluster_rec)
slurm_setup_remote_working_cluster(resp);
if (!_wait_nodes_ready(resp)) {
if (!destroy_job)
error("Something is wrong with the boot of the nodes.");
goto relinquish;
}
#endif
} else if (destroy_job) {
goto relinquish;
}
if (handle_signals)
xsignal_block(sig_array);
job_desc_msg_destroy(j);
return resp;
relinquish:
if (resp) {
if (!destroy_job)
slurm_complete_job(resp->job_id, 1);
slurm_free_resource_allocation_response_msg(resp);
}
exit(error_exit);
return NULL;
}