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

     1  #include "pthread_impl.h"
     2  
     3  static void dummy(struct __ptcb *cb)
     4  {
     5  }
     6  weak_alias(dummy, __do_cleanup_push);
     7  weak_alias(dummy, __do_cleanup_pop);
     8  
     9  void _pthread_cleanup_push(struct __ptcb *cb, void (*f)(void *), void *x)
    10  {
    11  	cb->__f = f;
    12  	cb->__x = x;
    13  	__do_cleanup_push(cb);
    14  }
    15  
    16  void _pthread_cleanup_pop(struct __ptcb *cb, int run)
    17  {
    18  	__do_cleanup_pop(cb);
    19  	if (run) cb->__f(cb->__x);
    20  }