From 0c03786b5ab1a81bf5abdbd4bc0be9d7379df9dd Mon Sep 17 00:00:00 2001 From: "M. Farkas-Dyck" Date: Mon, 29 Jul 2013 21:16:55 -0500 Subject: Add renice. --- toys/pending/renice.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 toys/pending/renice.c (limited to 'toys/pending') diff --git a/toys/pending/renice.c b/toys/pending/renice.c new file mode 100644 index 00000000..305ad194 --- /dev/null +++ b/toys/pending/renice.c @@ -0,0 +1,48 @@ +/* renice.c - renice process + * + * Copyright 2013 CE Strake + * + * 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; + } + } +} -- cgit v1.2.3