github.com/afumu/libc@v0.0.6/musl/src/thread/pthread_spin_trylock.c (about)

     1  #include "pthread_impl.h"
     2  #include <errno.h>
     3  
     4  int pthread_spin_trylock(pthread_spinlock_t *s)
     5  {
     6  	return a_cas(s, 0, EBUSY);
     7  }