From 1ddb0c6635638dffaa7ccf0c9642051738ceb981 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20Sundstr=C3=B6m?= <jonas@kirilla.com>
Date: Tue, 19 Feb 2008 23:59:07 +0000
Subject: [PATCH] Added error checking of the return value of get_sem_info().

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@24023 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/bin/ps.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/bin/ps.c b/src/bin/ps.c
index c2b5fc7359..828d61522c 100644
--- a/src/bin/ps.c
+++ b/src/bin/ps.c
@@ -21,7 +21,6 @@
 
 int main(int argc, char **argv)
 {
-	status_t ret;
 	team_info teaminfo;
 	thread_info thinfo;
 	uint32 teamcookie = 0;
@@ -36,7 +35,7 @@ int main(int argc, char **argv)
 	puts("");
 	puts(PS_HEADER);
 	puts(PS_SEP);
-	while ((ret = get_next_team_info(&teamcookie, &teaminfo)) >= B_OK) {
+	while (get_next_team_info(&teamcookie, &teaminfo) >= B_OK) {
 		if (string_to_match) {
 			char *p;
 			p = teaminfo.args;
@@ -50,15 +49,18 @@ int main(int argc, char **argv)
 		}
 		printf("%s (team %ld) (uid %d) (gid %d)\n", teaminfo.args, teaminfo.team, teaminfo.uid, teaminfo.gid);
 		thcookie = 0;
-		while ((ret = get_next_thread_info(teaminfo.team, &thcookie, &thinfo)) >= B_OK) {
+		while (get_next_thread_info(teaminfo.team, &thcookie, &thinfo) >= B_OK) {
 			if (thinfo.state < B_THREAD_RUNNING || thinfo.state >B_THREAD_WAITING)
 				thstate = "???";
 			else
 				thstate = states[thinfo.state-1];
 			printf("%7ld %20s  %3s %3ld %7lli %7lli ", thinfo.thread, thinfo.name, thstate, thinfo.priority, thinfo.user_time/1000, thinfo.kernel_time/1000);
 			if (thinfo.state == B_THREAD_WAITING) {
-				get_sem_info(thinfo.sem, &sinfo);
-				printf("%s(%ld)\n", sinfo.name, sinfo.sem);
+				status_t err = get_sem_info(thinfo.sem, &sinfo);
+				if (!err)
+					printf("%s(%ld)\n", sinfo.name, sinfo.sem);
+				else
+					printf("%s(%ld)\n", strerror(err), thinfo.sem);
 			} else
 				puts("");
 		}