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virthreadpool: create threads from the newly expanded workers

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when the thread pool is dynamically expanded, threads should
not be created from the existing workers; they should be created
from the newly expanded workers

Signed-off-by: Wei Gong <gongwei833x@gmail.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Wei Gong 2024-03-18 21:31:14 +08:00 committed by Michal Privoznik
parent eb87d146ea
commit 0bb33164d0
1 changed files with 5 additions and 7 deletions
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12
src/util/virthreadpool.c
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@ -184,7 +184,7 @@ virThreadPoolExpand(virThreadPool *pool, size_t gain, bool priority)
size_t i = 0;
struct virThreadPoolWorkerData *data = NULL;
VIR_EXPAND_N(*workers, *curWorkers, gain);
VIR_REALLOC_N(*workers, *curWorkers + gain);
for (i = 0; i < gain; i++) {
g_autofree char *name = NULL;
@ -199,7 +199,7 @@ virThreadPoolExpand(virThreadPool *pool, size_t gain, bool priority)
else
name = g_strdup(pool->jobName);
if (virThreadCreateFull(&(*workers)[i],
if (virThreadCreateFull(&(*workers)[*curWorkers],
false,
virThreadPoolWorker,
name,
@ -207,15 +207,13 @@ virThreadPoolExpand(virThreadPool *pool, size_t gain, bool priority)
data) < 0) {
VIR_FREE(data);
virReportSystemError(errno, "%s", _("Failed to create thread"));
goto error;
return -1;
}
(*curWorkers)++;
}
return 0;
error:
*curWorkers -= gain - i;
return -1;
}
virThreadPool *