musl/src/signal/sigtimedwait.c

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

int sigtimedwait(const sigset_t *restrict mask, siginfo_t *restrict si, const struct timespec *restrict timeout)
{
	int ret;
	do ret = syscall_cp(SYS_rt_sigtimedwait, mask,
		si, timeout, _NSIG/8);
	while (ret<0 && errno==EINTR);
	return ret;
}