From 3a9241add947cb6d24b5de7a8927517426a78795 Mon Sep 17 00:00:00 2001 From: Rob Landley Date: Sat, 25 Aug 2012 14:25:22 -0500 Subject: Move commands into "posix", "lsb", and "other" menus/directories. --- toys/posix/kill.c | 74 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 toys/posix/kill.c (limited to 'toys/posix/kill.c') diff --git a/toys/posix/kill.c b/toys/posix/kill.c new file mode 100644 index 00000000..e64a146b --- /dev/null +++ b/toys/posix/kill.c @@ -0,0 +1,74 @@ +/* vi: set sw=4 ts=4: + * + * kill.c - a program to send signals to processes + * + * Copyright 2012 Daniel Walter + * + * See http://opengroup.org/onlinepubs/9699919799/utilities/kill.html + +USE_KILL(NEWTOY(kill, "?s: l", TOYFLAG_BIN)) + +config KILL + bool "kill" + default y + help + usage: kill [-l [SIGNAL] | -s SIGNAL | -SIGNAL] pid... + + Send a signal to a process + +*/ + +#include "toys.h" + +DEFINE_GLOBALS( + char *signame; +) + +#define TT this.kill + +void kill_main(void) +{ + int signum; + char *tmp, **args = toys.optargs; + pid_t pid; + + // list signal(s) + if (toys.optflags & 1) { + if (*args) { + int signum = sig_to_num(*args); + char *s = NULL; + + if (signum>=0) s = num_to_sig(signum&127); + puts(s ? s : "UNKNOWN"); + } else sig_to_num(NULL); + return; + } + + // signal must come before pids, so "kill -9 -1" isn't confusing. + + if (!TT.signame && *args && **args=='-') TT.signame=*(args++)+1; + if (TT.signame) { + char *arg; + int i = strtol(TT.signame, &arg, 10); + if (!*arg) arg = num_to_sig(i); + else arg = TT.signame; + + if (!arg || -1 == (signum = sig_to_num(arg))) + error_exit("Unknown signal '%s'", arg); + } else signum = SIGTERM; + + if (!*args) { + toys.exithelp++; + error_exit("missing argument"); + } + + while (*args) { + char *arg = *(args++); + + pid = strtol(arg, &tmp, 10); + if (*tmp || kill(pid, signum) < 0) { + error_msg("unknown pid '%s'", arg); + toys.exitval = EXIT_FAILURE; + } + } +} -- cgit v1.2.3