Mercurial > hg > toybox
view toys/pending/renice.c @ 977:9a96527bea94
Add renice.
author | M. Farkas-Dyck <strake888@gmail.com> |
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date | Mon, 29 Jul 2013 21:16:55 -0500 |
parents | |
children | 6d3c39cb8a9d |
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/* renice.c - renice process * * Copyright 2013 CE Strake <strake888 at gmail.com> * * See http://pubs.opengroup.org/onlinepubs/9699919799/utilities/ * See http://refspecs.linuxfoundation.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/cmdbehav.html USE_RENICE(NEWTOY(renice, "gpun#", TOYFLAG_BIN)) config RENICE bool "renice" default n help usage: renice [-gpu] -n increment ID ... */ #define FOR_renice #include "toys.h" GLOBALS( long nArgu; ) void renice_main (void) { int ii; int which = toys.optflags & FLAG_g ? PRIO_PGRP : toys.optflags & FLAG_u ? PRIO_USER : PRIO_PROCESS; if (!(toys.optflags & FLAG_n)) error_exit ("no increment given"); for (ii = 0; ii < toys.optc; ii++) { id_t id; if (isdigit (toys.optargs[ii][0])) id = strtoul (toys.optargs[ii], 0, 10); else if (toys.optflags & FLAG_u) id = getpwnam (toys.optargs[ii]) -> pw_uid; else { error_msg ("not a number: %s", toys.optargs[ii]); toys.exitval = 1; continue; } if (setpriority (which, id, getpriority (which, id) + TT.nArgu) < 0) { error_msg ("failed to setpriority of %d", id); toys.exitval = 1; } } }