libc-top-half/musl/src/thread/pthread_kill.c

   1 #include "pthread_impl.h"
   2 #include "lock.h"
   3
   4 int pthread_kill(pthread_t t, int sig)
   5 {
   6         int r;
   7         LOCK(t->killlock);
   8         r = t->tid ? -__syscall(SYS_tkill, t->tid, sig)
   9                 : (sig+0U >= _NSIG ? EINVAL : 0);
  10         UNLOCK(t->killlock);
  11         return r;
  12 }