only use memcpy realloc to shrink if an exact-sized free chunk exists

[oweals/musl.git] / src / signal / sigsuspend.c

#include <signal.h>
#include "syscall.h"

int sigsuspend(const sigset_t *mask)
{
        return syscall_cp(SYS_rt_sigsuspend, mask, _NSIG/8);
}