Mercurial > hg > toybox
comparison toys/posix/renice.c @ 979:53a9bcb938f0
Move renice from pending to posix, default y, fix link to standard.
author | Rob Landley <rob@landley.net> |
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date | Wed, 31 Jul 2013 16:36:57 -0500 |
parents | toys/pending/renice.c@6d3c39cb8a9d |
children | 57f2a26fa92c |
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978:6d3c39cb8a9d | 979:53a9bcb938f0 |
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1 /* renice.c - renice process | |
2 * | |
3 * Copyright 2013 CE Strake <strake888 at gmail.com> | |
4 * | |
5 * See http://pubs.opengroup.org/onlinepubs/9699919799/utilities/renice.html | |
6 | |
7 USE_RENICE(NEWTOY(renice, "<1gpun#|", TOYFLAG_BIN)) | |
8 | |
9 config RENICE | |
10 bool "renice" | |
11 default y | |
12 help | |
13 usage: renice [-gpu] -n increment ID ... | |
14 */ | |
15 | |
16 #define FOR_renice | |
17 #include "toys.h" | |
18 | |
19 GLOBALS( | |
20 long nArgu; | |
21 ) | |
22 | |
23 void renice_main(void) { | |
24 int which = (toys.optflags & FLAG_g) ? PRIO_PGRP : | |
25 ((toys.optflags & FLAG_u) ? PRIO_USER : PRIO_PROCESS); | |
26 char **arg; | |
27 | |
28 for (arg = toys.optargs; *arg; arg++) { | |
29 char *s = *arg; | |
30 int id = -1; | |
31 | |
32 if (toys.optflags & FLAG_u) { | |
33 struct passwd *p = getpwnam(s); | |
34 if (p) id = p->pw_uid; | |
35 } else { | |
36 id = strtol(s, &s, 10); | |
37 if (*s) id = -1; | |
38 } | |
39 | |
40 if (id < 0) { | |
41 error_msg("bad '%s'", *arg); | |
42 continue; | |
43 } | |
44 | |
45 if (setpriority(which, id, getpriority(which, id)+TT.nArgu) < 0) | |
46 perror_msg("setpriority %d", id); | |
47 } | |
48 } |