diff options
Diffstat (limited to 'lib/libc/gen/nice.c')
| -rw-r--r-- | lib/libc/gen/nice.c | 16 |
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); } |
