diff options
Diffstat (limited to 'procps')
-rw-r--r-- | procps/renice.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/procps/renice.c b/procps/renice.c new file mode 100644 index 000000000..af7ce94ca --- /dev/null +++ b/procps/renice.c | |||
@@ -0,0 +1,53 @@ | |||
1 | /* | ||
2 | * Mini renice implementation for busybox | ||
3 | * | ||
4 | * | ||
5 | * Copyright (C) 2000 Dave 'Kill a Cop' Cinege <dcinege@psychosis.com> | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License as published by | ||
9 | * the Free Software Foundation; either version 2 of the License, or | ||
10 | * (at your option) any later version. | ||
11 | * | ||
12 | * This program is distributed in the hope that it will be useful, | ||
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
15 | * General Public License for more details. | ||
16 | * | ||
17 | * You should have received a copy of the GNU General Public License | ||
18 | * along with this program; if not, write to the Free Software | ||
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
20 | * | ||
21 | */ | ||
22 | |||
23 | #include "internal.h" | ||
24 | #include <stdio.h> | ||
25 | #include <errno.h> | ||
26 | #include <sys/time.h> | ||
27 | #include <sys/resource.h> | ||
28 | |||
29 | |||
30 | extern int renice_main(int argc, char **argv) | ||
31 | { | ||
32 | int prio, err = 0; | ||
33 | |||
34 | if (argc < 3) usage(renice_usage); | ||
35 | |||
36 | prio = atoi(*++argv); | ||
37 | if (prio > 20) prio = 20; | ||
38 | if (prio < -20) prio = -20; | ||
39 | |||
40 | while (*++argv) { | ||
41 | int ps = atoi(*argv); | ||
42 | int oldp = getpriority(PRIO_PROCESS, ps); | ||
43 | |||
44 | if (setpriority(PRIO_PROCESS, ps, prio) == 0) { | ||
45 | printf("%d: old priority %d, new priority %d\n", ps, oldp, prio ); | ||
46 | } else { | ||
47 | fprintf(stderr, "renice: %d: setpriority: ", ps); | ||
48 | perror(""); | ||
49 | err = 1; | ||
50 | } | ||
51 | } | ||
52 | exit(err); | ||
53 | } | ||