When checking for valid timevals in the wrapped select() and poll()

routines, don't return EINVAL but set errno to EINVAL and return -1.
Added a check in pthread_cond_timedwait for a null timespec pointer.

3 files changed, 14 insertions, 9 deletions

diff --git a/lib/libpthread/thread/thr_cond.c b/lib/libpthread/thread/thr_cond.c
index 079a635..2eb05f9 100644
--- a/lib/libpthread/thread/thr_cond.c
+++ b/lib/libpthread/thread/thr_cond.c
@@ -261,18 +261,20 @@ pthread_cond_timedwait(pthread_cond_t * cond, pthread_mutex_t * mutex,
 	int             rval = 0;
 	int             status;
 
-	if (abstime->tv_sec < 0 || 
-		abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000)
-		return (EINVAL);
-
-	if (cond == NULL)
+	if (cond == NULL || abstime == NULL)
 		rval = EINVAL;
 
+	if (abstime->tv_sec < 0 || 
+		abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000) {
+		errno = EINVAL;
+		return (-1);
+	}
+
 	/*
 	 * If the condition variable is statically initialized,
 	 * perform the dynamic initialization:
 	 */
-	else if (*cond != NULL ||
+	if (*cond != NULL ||
 	    (rval = pthread_cond_init(cond,NULL)) == 0) {
 		/* Lock the condition variable structure: */
 		_SPINLOCK(&(*cond)->lock);
diff --git a/lib/libpthread/thread/thr_poll.c b/lib/libpthread/thread/thr_poll.c
index 4967e6c..01916ad 100644
--- a/lib/libpthread/thread/thr_poll.c
+++ b/lib/libpthread/thread/thr_poll.c
@@ -67,7 +67,8 @@ poll(struct pollfd *fds, unsigned int nfds, int timeout)
 		_thread_kern_set_timeout(&ts);
 	} else if (timeout < 0) {
 		/* a timeout less than zero but not == INFTIM is invalid */
-		return (EINVAL);
+		errno = EINVAL;
+		return (-1);
 	}
 
 	if (((ret = _thread_sys_poll(fds, numfds, 0)) == 0) && (timeout != 0)) {
diff --git a/lib/libpthread/thread/thr_select.c b/lib/libpthread/thread/thr_select.c
index a7ea8cf..9bfae89 100644
--- a/lib/libpthread/thread/thr_select.c
+++ b/lib/libpthread/thread/thr_select.c
@@ -59,8 +59,10 @@ select(int numfds, fd_set * readfds, fd_set * writefds,
 	/* Check if a timeout was specified: */
 	if (timeout) {
 		if (timeout->tv_sec < 0 ||
-			timeout->tv_usec < 0 || timeout->tv_usec >= 1000000)
-			return (EINVAL); 
+			timeout->tv_usec < 0 || timeout->tv_usec >= 1000000) {
+			errno = EINVAL;
+			return (-1);
+		}
 
 		/* Convert the timeval to a timespec: */
 		TIMEVAL_TO_TIMESPEC(timeout, &ts);