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authorsjg <sjg@FreeBSD.org>2015-05-27 01:19:58 +0000
committersjg <sjg@FreeBSD.org>2015-05-27 01:19:58 +0000
commit65145fa4c81da358fcbc3b650156dab705dfa34e (patch)
tree55c065b6730aaac2afb6c29933ee6ec5fa4c4249 /lib/libc/gen/nice.c
parent60ff4eb0dff94a04d75d0d52a3957aaaf5f8c693 (diff)
parente6b664c390af88d4a87208bc042ce503da664c3b (diff)
downloadFreeBSD-src-65145fa4c81da358fcbc3b650156dab705dfa34e.zip
FreeBSD-src-65145fa4c81da358fcbc3b650156dab705dfa34e.tar.gz
Merge sync of head
Diffstat (limited to 'lib/libc/gen/nice.c')
-rw-r--r--lib/libc/gen/nice.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/lib/libc/gen/nice.c b/lib/libc/gen/nice.c
index e8375e8..ba9524b 100644
--- a/lib/libc/gen/nice.c
+++ b/lib/libc/gen/nice.c
@@ -43,14 +43,20 @@ __FBSDID("$FreeBSD$");
* Backwards compatible nice.
*/
int
-nice(incr)
- int incr;
+nice(int incr)
{
- int prio;
+ int saverrno, prio;
+ saverrno = errno;
errno = 0;
prio = getpriority(PRIO_PROCESS, 0);
- if (prio == -1 && errno)
+ if (prio == -1 && errno != 0)
return (-1);
- return (setpriority(PRIO_PROCESS, 0, prio + incr));
+ if (setpriority(PRIO_PROCESS, 0, prio + incr) == -1) {
+ if (errno == EACCES)
+ errno = EPERM;
+ return (-1);
+ }
+ errno = saverrno;
+ return (0);
}
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