diff options
Diffstat (limited to 'sysdeps/unix/nice.c')
| -rw-r--r-- | sysdeps/unix/nice.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/sysdeps/unix/nice.c b/sysdeps/unix/nice.c index ffde93f3c2..17d07376bc 100644 --- a/sysdeps/unix/nice.c +++ b/sysdeps/unix/nice.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1992, 1996, 1997 Free Software Foundation, Inc. +/* Copyright (C) 1992, 1996, 1997, 2001 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -23,11 +23,11 @@ /* Increment the scheduling priority of the calling process by INCR. The superuser may use a negative INCR to decrement the priority. */ int -nice (incr) - int incr; +nice (int incr) { int save; int prio; + int result; /* -1 is a valid priority, so we use errno to check for an error. */ save = errno; @@ -41,5 +41,10 @@ nice (incr) __set_errno (save); } - return setpriority (PRIO_PROCESS, 0, prio + incr); + result = setpriority (PRIO_PROCESS, 0, prio + incr); + if (result != -1) + return prio + incr; + else + return -1; + } |