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avutil/slicethread: Check pthread_*_init() for failure

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Fixes: CID1604383 Unchecked return value
Fixes: CID1604439 Unchecked return value

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2024-07-11 23:27:34 +02:00
parent 15540b3d28
commit 23851c9ee0
No known key found for this signature in database
GPG Key ID: B18E8928B3948D64
1 changed files with 26 additions and 4 deletions
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30
libavutil/slicethread.c
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@ -102,6 +102,7 @@ int avpriv_slicethread_create(AVSliceThread **pctx, void *priv,
{
AVSliceThread *ctx;
int nb_workers, i;
int ret;
av_assert0(nb_threads >= 0);
if (!nb_threads) {
@ -135,16 +136,37 @@ int avpriv_slicethread_create(AVSliceThread **pctx, void *priv,
atomic_init(&ctx->first_job, 0);
atomic_init(&ctx->current_job, 0);
pthread_mutex_init(&ctx->done_mutex, NULL);
pthread_cond_init(&ctx->done_cond, NULL);
ret = pthread_mutex_init(&ctx->done_mutex, NULL);
if (ret) {
av_freep(&ctx->workers);
av_freep(pctx);
return AVERROR(ret);
}
ret = pthread_cond_init(&ctx->done_cond, NULL);
if (ret) {
ctx->nb_threads = main_func ? 0 : 1;
avpriv_slicethread_free(pctx);
return AVERROR(ret);
}
ctx->done = 0;
for (i = 0; i < nb_workers; i++) {
WorkerContext *w = &ctx->workers[i];
int ret;
w->ctx = ctx;
pthread_mutex_init(&w->mutex, NULL);
pthread_cond_init(&w->cond, NULL);
ret = pthread_mutex_init(&w->mutex, NULL);
if (ret) {
ctx->nb_threads = main_func ? i : i + 1;
avpriv_slicethread_free(pctx);
return AVERROR(ret);
}
ret = pthread_cond_init(&w->cond, NULL);
if (ret) {
pthread_mutex_destroy(&w->mutex);
ctx->nb_threads = main_func ? i : i + 1;
avpriv_slicethread_free(pctx);
return AVERROR(ret);
}
pthread_mutex_lock(&w->mutex);
w->done = 0;