diff options
Diffstat (limited to 'sysdeps/unix/nice.c')
-rw-r--r-- | sysdeps/unix/nice.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/sysdeps/unix/nice.c b/sysdeps/unix/nice.c index 700305c0e9..6e75b0327b 100644 --- a/sysdeps/unix/nice.c +++ b/sysdeps/unix/nice.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1992, 1996, 1997, 2001, 2002 Free Software Foundation, Inc. +/* Copyright (C) 1992, 1996, 1997, 2001, 2002, 2006 + 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 @@ -41,10 +42,17 @@ nice (int incr) __set_errno (save); } - result = setpriority (PRIO_PROCESS, 0, prio + incr); - if (result != -1) - return getpriority (PRIO_PROCESS, 0); - else - return -1; - + prio += incr; + if (prio < PRIO_MIN) + prio = PRIO_MIN; + else if (prio >= PRIO_MAX) + prio = PRIO_MAX - 1; + result = setpriority (PRIO_PROCESS, 0, prio); + if (result == -1) + { + if (errno == EACCES) + errno = EPERM; + return -1; + } + return getpriority (PRIO_PROCESS, 0); } |