corrected an array access bug in the latest libevent merge (see #2234) that was causing Solaris binaries to loop infinitely.

This commit was SVN r22638.

opal/event/devpoll.c

@@ -144,7 +144,7 @@ devpoll_init(struct event_base *base)
 
 	if (getrlimit(RLIMIT_NOFILE, &rl) == 0 &&
 	    rl.rlim_cur != RLIM_INFINITY)
-		nfiles = rl.rlim_cur;
+		nfiles = rl.rlim_cur - 1;
 
 	/* Initialize the kernel queue */
 	if ((dpfd = open("/dev/poll", O_RDWR)) == -1) {
@@ -192,12 +192,12 @@ devpoll_recalc(struct event_base *base, void *arg, int max)
 {
 	struct devpollop *devpollop = arg;
 
-	if (max >= devpollop->nfds) {
+	if (max > devpollop->nfds) {
 		struct evdevpoll *fds;
 		int nfds;
 
 		nfds = devpollop->nfds;
-		while (nfds <= max)
+		while (nfds < max)
 			nfds <<= 1;
 
 		fds = realloc(devpollop->fds, nfds * sizeof(struct evdevpoll));

opal/event/epoll.c

@@ -167,12 +167,12 @@ epoll_recalc(struct event_base *base, void *arg, int max)
 {
 	struct epollop *epollop = arg;
 
-	if (max >= epollop->nfds) {
+	if (max > epollop->nfds) {
 		struct evepoll *fds;
 		int nfds;
 
 		nfds = epollop->nfds;
-		while (nfds <= max)
+		while (nfds < max)
 			nfds <<= 1;
 
 		fds = realloc(epollop->fds, nfds * sizeof(struct evepoll));