Commit 6ce11e7e authored by Emil Velikov's avatar Emil Velikov Committed by Emil Velikov

c11/threads: create mutexattrs only when needed

If the mutexattrs are the default one can just pass NULL to
pthread_mutex_init. As the compiler does not know this detail it
unnecessarily creates/destroys the attrs.
Signed-off-by: default avatarEmil Velikov <>
parent 4424bf5d
......@@ -180,9 +180,14 @@ mtx_init(mtx_t *mtx, int type)
&& type != (mtx_timed|mtx_recursive)
&& type != (mtx_try|mtx_recursive))
return thrd_error;
if ((type & mtx_recursive) == 0) {
pthread_mutex_init(mtx, NULL);
return thrd_success;
if ((type & mtx_recursive) != 0)
pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
pthread_mutex_init(mtx, &attr);
return thrd_success;
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