don't fail with EINTR in sigtimedwait

POSIX allows either behavior, but sigwait is not allowed to fail with
EINTR, so the retry loop would have to be in one or the other anyway.

diff --git a/src/signal/sigtimedwait.c b/src/signal/sigtimedwait.c
index 155185de8ab79a99dd05ba4dc402c1d4087da6fd..0a7c5eacdf1c3574c7f17d9a5155a591db8473ca 100644 (file)
--- a/src/signal/sigtimedwait.c
+++ b/src/signal/sigtimedwait.c
@@ -1,12 +1,12 @@
 #include <signal.h>
+#include <errno.h>
 #include "syscall.h"
 
 int sigtimedwait(const sigset_t *mask, siginfo_t *si, const struct timespec *timeout)
 {
-       long k_timeout[2];
-       if (timeout) {
-               k_timeout[0] = timeout->tv_sec;
-               k_timeout[1] = timeout->tv_nsec;
-       }
-       return syscall4(__NR_rt_sigtimedwait, (long)mask, (long)si, timeout ? (long)k_timeout : 0, SYSCALL_SIGSET_SIZE);
+       int ret;
+       do {
+               ret = syscall4(__NR_rt_sigtimedwait, (long)mask, (long)si, (long)timeout, SYSCALL_SIGSET_SIZE);
+       } while (ret<0 && errno==EINTR);
+       return ret;
 }