toybox: toys/posix/renice.c annotate

annotate toys/posix/renice.c @ 1775:57f2a26fa92c draft toast

To ensure that toybox can be installed alongside busybox without confusing update-alternatives, the paths of the links installed by toybox should match those installed by busybox. This is accomplished by changing the flags of a few tools within toybox.

author	Paul Barker <paul@paulbarker.me.uk>
date	Sat, 04 Apr 2015 11:58:06 -0500
parents	53a9bcb938f0
children

rev	line source
977 9a96527bea94 Add renice. M. Farkas-Dyck <strake888@gmail.com> parents: diff changeset	1 /* renice.c - renice process
9a96527bea94 Add renice. M. Farkas-Dyck <strake888@gmail.com> parents: diff changeset	2 *
9a96527bea94 Add renice. M. Farkas-Dyck <strake888@gmail.com> parents: diff changeset	3 * Copyright 2013 CE Strake <strake888 at gmail.com>
9a96527bea94 Add renice. M. Farkas-Dyck <strake888@gmail.com> parents: diff changeset	4 *
979 53a9bcb938f0 Move renice from pending to posix, default y, fix link to standard. Rob Landley <rob@landley.net> parents: 978 diff changeset	5 * See http://pubs.opengroup.org/onlinepubs/9699919799/utilities/renice.html
977 9a96527bea94 Add renice. M. Farkas-Dyck <strake888@gmail.com> parents: diff changeset	6
1775 57f2a26fa92c To ensure that toybox can be installed alongside busybox without Paul Barker <paul@paulbarker.me.uk> parents: 979 diff changeset	7 USE_RENICE(NEWTOY(renice, "<1gpun#\|", TOYFLAG_USR\|TOYFLAG_BIN))
977 9a96527bea94 Add renice. M. Farkas-Dyck <strake888@gmail.com> parents: diff changeset	8
9a96527bea94 Add renice. M. Farkas-Dyck <strake888@gmail.com> parents: diff changeset	9 config RENICE
9a96527bea94 Add renice. M. Farkas-Dyck <strake888@gmail.com> parents: diff changeset	10 bool "renice"
979 53a9bcb938f0 Move renice from pending to posix, default y, fix link to standard. Rob Landley <rob@landley.net> parents: 978 diff changeset	11 default y
977 9a96527bea94 Add renice. M. Farkas-Dyck <strake888@gmail.com> parents: diff changeset	12 help
9a96527bea94 Add renice. M. Farkas-Dyck <strake888@gmail.com> parents: diff changeset	13 usage: renice [-gpu] -n increment ID ...
9a96527bea94 Add renice. M. Farkas-Dyck <strake888@gmail.com> parents: diff changeset	14 */
9a96527bea94 Add renice. M. Farkas-Dyck <strake888@gmail.com> parents: diff changeset	15
9a96527bea94 Add renice. M. Farkas-Dyck <strake888@gmail.com> parents: diff changeset	16 #define FOR_renice
9a96527bea94 Add renice. M. Farkas-Dyck <strake888@gmail.com> parents: diff changeset	17 #include "toys.h"
9a96527bea94 Add renice. M. Farkas-Dyck <strake888@gmail.com> parents: diff changeset	18
9a96527bea94 Add renice. M. Farkas-Dyck <strake888@gmail.com> parents: diff changeset	19 GLOBALS(
9a96527bea94 Add renice. M. Farkas-Dyck <strake888@gmail.com> parents: diff changeset	20 long nArgu;
9a96527bea94 Add renice. M. Farkas-Dyck <strake888@gmail.com> parents: diff changeset	21 )
9a96527bea94 Add renice. M. Farkas-Dyck <strake888@gmail.com> parents: diff changeset	22
978 6d3c39cb8a9d Cleanup renice and implement '\|' (required option) in argument parsing. Rob Landley <rob@landley.net> parents: 977 diff changeset	23 void renice_main(void) {
6d3c39cb8a9d Cleanup renice and implement '\|' (required option) in argument parsing. Rob Landley <rob@landley.net> parents: 977 diff changeset	24 int which = (toys.optflags & FLAG_g) ? PRIO_PGRP :
6d3c39cb8a9d Cleanup renice and implement '\|' (required option) in argument parsing. Rob Landley <rob@landley.net> parents: 977 diff changeset	25 ((toys.optflags & FLAG_u) ? PRIO_USER : PRIO_PROCESS);
6d3c39cb8a9d Cleanup renice and implement '\|' (required option) in argument parsing. Rob Landley <rob@landley.net> parents: 977 diff changeset	26 char **arg;
977 9a96527bea94 Add renice. M. Farkas-Dyck <strake888@gmail.com> parents: diff changeset	27
978 6d3c39cb8a9d Cleanup renice and implement '\|' (required option) in argument parsing. Rob Landley <rob@landley.net> parents: 977 diff changeset	28 for (arg = toys.optargs; *arg; arg++) {
6d3c39cb8a9d Cleanup renice and implement '\|' (required option) in argument parsing. Rob Landley <rob@landley.net> parents: 977 diff changeset	29 char s = arg;
6d3c39cb8a9d Cleanup renice and implement '\|' (required option) in argument parsing. Rob Landley <rob@landley.net> parents: 977 diff changeset	30 int id = -1;
977 9a96527bea94 Add renice. M. Farkas-Dyck <strake888@gmail.com> parents: diff changeset	31
978 6d3c39cb8a9d Cleanup renice and implement '\|' (required option) in argument parsing. Rob Landley <rob@landley.net> parents: 977 diff changeset	32 if (toys.optflags & FLAG_u) {
6d3c39cb8a9d Cleanup renice and implement '\|' (required option) in argument parsing. Rob Landley <rob@landley.net> parents: 977 diff changeset	33 struct passwd *p = getpwnam(s);
6d3c39cb8a9d Cleanup renice and implement '\|' (required option) in argument parsing. Rob Landley <rob@landley.net> parents: 977 diff changeset	34 if (p) id = p->pw_uid;
6d3c39cb8a9d Cleanup renice and implement '\|' (required option) in argument parsing. Rob Landley <rob@landley.net> parents: 977 diff changeset	35 } else {
6d3c39cb8a9d Cleanup renice and implement '\|' (required option) in argument parsing. Rob Landley <rob@landley.net> parents: 977 diff changeset	36 id = strtol(s, &s, 10);
6d3c39cb8a9d Cleanup renice and implement '\|' (required option) in argument parsing. Rob Landley <rob@landley.net> parents: 977 diff changeset	37 if (*s) id = -1;
6d3c39cb8a9d Cleanup renice and implement '\|' (required option) in argument parsing. Rob Landley <rob@landley.net> parents: 977 diff changeset	38 }
977 9a96527bea94 Add renice. M. Farkas-Dyck <strake888@gmail.com> parents: diff changeset	39
978 6d3c39cb8a9d Cleanup renice and implement '\|' (required option) in argument parsing. Rob Landley <rob@landley.net> parents: 977 diff changeset	40 if (id < 0) {
6d3c39cb8a9d Cleanup renice and implement '\|' (required option) in argument parsing. Rob Landley <rob@landley.net> parents: 977 diff changeset	41 error_msg("bad '%s'", *arg);
977 9a96527bea94 Add renice. M. Farkas-Dyck <strake888@gmail.com> parents: diff changeset	42 continue;
9a96527bea94 Add renice. M. Farkas-Dyck <strake888@gmail.com> parents: diff changeset	43 }
9a96527bea94 Add renice. M. Farkas-Dyck <strake888@gmail.com> parents: diff changeset	44
978 6d3c39cb8a9d Cleanup renice and implement '\|' (required option) in argument parsing. Rob Landley <rob@landley.net> parents: 977 diff changeset	45 if (setpriority(which, id, getpriority(which, id)+TT.nArgu) < 0)
6d3c39cb8a9d Cleanup renice and implement '\|' (required option) in argument parsing. Rob Landley <rob@landley.net> parents: 977 diff changeset	46 perror_msg("setpriority %d", id);
977 9a96527bea94 Add renice. M. Farkas-Dyck <strake888@gmail.com> parents: diff changeset	47 }
9a96527bea94 Add renice. M. Farkas-Dyck <strake888@gmail.com> parents: diff changeset	48 }

Mercurial > hg > toybox

annotate toys/posix/renice.c @ 1775:57f2a26fa92c draft toast