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Fix error handling in replacement pthread_barrier_init().

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Commit 44bf3d50 incorrectly used an errno-style interface when supplying
missing pthread functionality (i.e. on macOS), but it should check for
and return error numbers directly.
This commit is contained in:
Thomas Munro 2021-06-01 11:22:22 +12:00
parent 7c544ecdad
commit a40646e30d
1 changed files with 6 additions and 8 deletions
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14
src/port/pthread_barrier_wait.c
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@ -18,19 +18,17 @@
int int
pthread_barrier_init(pthread_barrier_t *barrier, const void *attr, int count) pthread_barrier_init(pthread_barrier_t *barrier, const void *attr, int count)
{ {
int error;
barrier->sense = false; barrier->sense = false;
barrier->count = count; barrier->count = count;
barrier->arrived = 0; barrier->arrived = 0;
if (pthread_cond_init(&barrier->cond, NULL) < 0) if ((error = pthread_cond_init(&barrier->cond, NULL)) != 0)
return -1; return error;
if (pthread_mutex_init(&barrier->mutex, NULL) < 0) if ((error = pthread_mutex_init(&barrier->mutex, NULL)) != 0)
{ {
int save_errno = errno;
pthread_cond_destroy(&barrier->cond); pthread_cond_destroy(&barrier->cond);
errno = save_errno; return error;
return -1;
} }
return 0; return 0;