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#include "pthread_impl.h"
int pthread_setspecific(pthread_key_t k, const void *x)
{
struct pthread *self = pthread_self();
/* Handle the case of the main thread */
if (!self->tsd) {
if (!x) return 0;
if (!(self->tsd = calloc(sizeof(void *), PTHREAD_KEYS_MAX)))
return ENOMEM;
}
/* Avoid unnecessary COW */
if (self->tsd[k] != x) {
self->tsd[k] = (void *)x;
self->tsd_used = 1;
}
return 0;
}
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