projects / apple / libc.git / blame
| Commit | Line | Data |
|---|---|---|
| 1f2f436a A |
1 | --- nice.c.orig 2009-11-07 14:51:38.000000000 -0800 |
| 2 | +++ nice.c 2009-11-07 14:51:40.000000000 -0800 | |
| 3 | @@ -38,7 +38,9 @@ __FBSDID("$FreeBSD: src/lib/libc/gen/nic | |
| 224c7076 A |
4 | #include <sys/resource.h> |
| 5 | #include <errno.h> | |
| 6 | #include <unistd.h> | |
| 7 | - | |
| 8 | +#if __DARWIN_UNIX03 | |
| 9 | +#include <limits.h> | |
| 10 | +#endif /* __DARWIN_UNIX03 */ | |
| 11 | /* | |
| 12 | * Backwards compatible nice. | |
| 13 | */ | |
| 1f2f436a | 14 | @@ -46,11 +48,18 @@ int |
| 224c7076 A |
15 | nice(incr) |
| 16 | int incr; | |
| 17 | { | |
| 18 | - int prio; | |
| 19 | + int prio, rv; | |
| 20 | ||
| 21 | errno = 0; | |
| 22 | prio = getpriority(PRIO_PROCESS, 0); | |
| 23 | if (prio == -1 && errno) | |
| 24 | return (-1); | |
| 25 | - return (setpriority(PRIO_PROCESS, 0, prio + incr)); | |
| 26 | +#if __DARWIN_UNIX03 | |
| 27 | + if (prio + incr > NZERO-1) | |
| 28 | + incr = NZERO-1-prio; | |
| 29 | +#endif /* __DARWIN_UNIX03 */ | |
| 30 | + rv = setpriority(PRIO_PROCESS, 0, prio + incr); | |
| 31 | + if (rv == -1 && errno == EACCES) | |
| 32 | + errno = EPERM; | |
| 33 | + return (rv == -1) ? rv : getpriority(PRIO_PROCESS, 0); | |
| 34 | } |