diff options
Diffstat (limited to 'toys/posix/kill.c')
| -rw-r--r-- | toys/posix/kill.c | 87 |
1 files changed, 42 insertions, 45 deletions
diff --git a/toys/posix/kill.c b/toys/posix/kill.c index 7810b899..2d1606b4 100644 --- a/toys/posix/kill.c +++ b/toys/posix/kill.c @@ -1,6 +1,4 @@ -/* vi: set sw=4 ts=4: - * - * kill.c - a program to send signals to processes +/* kill.c - a program to send signals to processes * * Copyright 2012 Daniel Walter <d.walter@0x90.at> * @@ -9,65 +7,64 @@ 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 + bool "kill" + default y + help + usage: kill [-l [SIGNAL] | -s SIGNAL | -SIGNAL] pid... + Send a signal to a process */ #define FOR_kill #include "toys.h" GLOBALS( - char *signame; + char *signame; ) void kill_main(void) { - int signum; - char *tmp, **args = toys.optargs; - pid_t pid; + int signum; + char *tmp, **args = toys.optargs; + pid_t pid; - // list signal(s) - if (toys.optflags & FLAG_l) { - if (*args) { - int signum = sig_to_num(*args); - char *s = NULL; + // list signal(s) + if (toys.optflags & FLAG_l) { + 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; - } + 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. + // 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 (!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 (!arg || -1 == (signum = sig_to_num(arg))) + error_exit("Unknown signal '%s'", arg); + } else signum = SIGTERM; - if (!*args) { - toys.exithelp++; - error_exit("missing argument"); - } + if (!*args) { + toys.exithelp++; + error_exit("missing argument"); + } - while (*args) { - char *arg = *(args++); + 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; - } - } + pid = strtol(arg, &tmp, 10); + if (*tmp || kill(pid, signum) < 0) { + error_msg("unknown pid '%s'", arg); + toys.exitval = EXIT_FAILURE; + } + } } |