move msghdr and cmsghdr out of bits/socket.h
[musl.git] / src / signal / sigwait.c
blobc8822eea49837bfc732ca38a330af89bc8582288
1 #include <signal.h>
3 int sigwait(const sigset_t *restrict mask, int *restrict sig)
5 siginfo_t si;
6 if (sigtimedwait(mask, &si, 0) < 0)
7 return -1;
8 *sig = si.si_signo;
9 return 0;