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virThreadPool: Set thread worker name

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Every thread created as a worker thread within a pool gets a name
according to virThreadPoolJobFunc name.

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
This commit is contained in:
Jiri Denemark 2015-03-20 17:44:25 +01:00
parent 55ebc93a08
commit d20f5dde29
3 changed files with 37 additions and 23 deletions
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2
src/libvirt_private.syms
View File

@ -2202,7 +2202,7 @@ virThreadPoolFree;
virThreadPoolGetMaxWorkers;
virThreadPoolGetMinWorkers;
virThreadPoolGetPriorityWorkers;
virThreadPoolNew;
virThreadPoolNewFull;
virThreadPoolSendJob;

44
src/util/virthreadpool.c
View File

@ -58,6 +58,7 @@ struct _virThreadPool {
bool quit;
virThreadPoolJobFunc jobFunc;
const char *jobFuncName;
void *jobOpaque;
virThreadPoolJobList jobList;
size_t jobQueueDepth;
@ -156,11 +157,13 @@ static void virThreadPoolWorker(void *opaque)
virMutexUnlock(&pool->mutex);
}
virThreadPoolPtr virThreadPoolNew(size_t minWorkers,
size_t maxWorkers,
size_t prioWorkers,
virThreadPoolJobFunc func,
void *opaque)
virThreadPoolPtr
virThreadPoolNewFull(size_t minWorkers,
size_t maxWorkers,
size_t prioWorkers,
virThreadPoolJobFunc func,
const char *funcName,
void *opaque)
{
virThreadPoolPtr pool;
size_t i;
@ -175,6 +178,7 @@ virThreadPoolPtr virThreadPoolNew(size_t minWorkers,
pool->jobList.tail = pool->jobList.head = NULL;
pool->jobFunc = func;
pool->jobFuncName = funcName;
pool->jobOpaque = opaque;
if (virMutexInit(&pool->mutex) < 0)
@ -196,10 +200,12 @@ virThreadPoolPtr virThreadPoolNew(size_t minWorkers,
data->pool = pool;
data->cond = &pool->cond;
if (virThreadCreate(&pool->workers[i],
true,
virThreadPoolWorker,
data) < 0) {
if (virThreadCreateFull(&pool->workers[i],
true,
virThreadPoolWorker,
pool->jobFuncName,
true,
data) < 0) {
goto error;
}
pool->nWorkers++;
@ -218,10 +224,12 @@ virThreadPoolPtr virThreadPoolNew(size_t minWorkers,
data->cond = &pool->prioCond;
data->priority = true;
if (virThreadCreate(&pool->prioWorkers[i],
true,
virThreadPoolWorker,
data) < 0) {
if (virThreadCreateFull(&pool->prioWorkers[i],
true,
virThreadPoolWorker,
pool->jobFuncName,
true,
data) < 0) {
goto error;
}
pool->nPrioWorkers++;
@ -329,10 +337,12 @@ int virThreadPoolSendJob(virThreadPoolPtr pool,
data->pool = pool;
data->cond = &pool->cond;
if (virThreadCreate(&pool->workers[pool->nWorkers - 1],
true,
virThreadPoolWorker,
data) < 0) {
if (virThreadCreateFull(&pool->workers[pool->nWorkers - 1],
true,
virThreadPoolWorker,
pool->jobFuncName,
true,
data) < 0) {
VIR_FREE(data);
pool->nWorkers--;
goto error;

14
src/util/virthreadpool.h
View File

@ -33,11 +33,15 @@ typedef virThreadPool *virThreadPoolPtr;
typedef void (*virThreadPoolJobFunc)(void *jobdata, void *opaque);
virThreadPoolPtr virThreadPoolNew(size_t minWorkers,
size_t maxWorkers,
size_t prioWorkers,
virThreadPoolJobFunc func,
void *opaque) ATTRIBUTE_NONNULL(4);
# define virThreadPoolNew(min, max, prio, func, opaque) \
virThreadPoolNewFull(min, max, prio, func, #func, opaque)
virThreadPoolPtr virThreadPoolNewFull(size_t minWorkers,
size_t maxWorkers,
size_t prioWorkers,
virThreadPoolJobFunc func,
const char *funcName,
void *opaque) ATTRIBUTE_NONNULL(4);
size_t virThreadPoolGetMinWorkers(virThreadPoolPtr pool);
size_t virThreadPoolGetMaxWorkers(virThreadPoolPtr pool);