1#include "pthread_impl.h" 2 3int pthread_setspecific(pthread_key_t k, const void *x) 4{ 5 struct pthread *self = __pthread_self(); 6 /* Avoid unnecessary COW */ 7 if (self->tsd[k] != x) { 8 self->tsd[k] = (void *)x; 9 self->tsd_used = 1; 10 } 11 return 0; 12} 13