github.com/afumu/libc@v0.0.6/musl/src/signal/sigisemptyset.c (about)

     1  #define _GNU_SOURCE
     2  #include <signal.h>
     3  #include <string.h>
     4  
     5  int sigisemptyset(const sigset_t *set)
     6  {
     7  	for (size_t i=0; i<_NSIG/8/sizeof *set->__bits; i++)
     8  		if (set->__bits[i]) return 0;
     9  	return 1;
    10  }