#include "usr_lib_define.h" #include "pthread_impl.h" #include _LIBC_TEXT_SECTION static int __pthread_detach(pthread_t t) { int ret; /* If the cas fails, detach state is either already-detached * or exiting/exited, and pthread_join will trap or cleanup. */ if (a_cas(&t->detach_state, DT_JOINABLE, DT_DETACHED) != DT_JOINABLE) return __pthread_join(t, 0); ret = __syscall(SYS_pthread_set_detach, t->tid); if (ret) a_swap(&t->detach_state, DT_JOINABLE); if (ret == ESRCH) ret = 0; return ret; } weak_alias(__pthread_detach, pthread_detach);