| /* killall.c - Send signal (default: TERM) to all processes with given names. |
| * |
| * Copyright 2012 Andreas Heck <aheck@gmx.de> |
| * |
| * http://refspecs.linuxfoundation.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/killall.html |
| |
| USE_KILLALL(NEWTOY(killall, "<1?lqvi", TOYFLAG_USR|TOYFLAG_BIN)) |
| |
| config KILLALL |
| bool "killall" |
| default y |
| help |
| usage: killall [-l] [-iqv] [-SIG] PROCESS_NAME... |
| |
| Send a signal (default: TERM) to all processes with the given names. |
| |
| -i ask for confirmation before killing |
| -l print list of all available signals |
| -q don't print any warnings or error messages |
| -v report if the signal was successfully sent |
| */ |
| |
| #define FOR_killall |
| #include "toys.h" |
| |
| GLOBALS( |
| int signum; |
| pid_t cur_pid; |
| ) |
| |
| static int kill_process(pid_t pid, char *name) |
| { |
| int ret; |
| |
| if (pid == TT.cur_pid) return 0; |
| |
| if (toys.optflags & FLAG_i) { |
| sprintf(toybuf, "Signal %s(%d) ?", name, pid); |
| if (yesno(toybuf, 0) == 0) return 0; |
| } |
| |
| ret = kill(pid, TT.signum); |
| if (ret == -1 && !(toys.optflags & FLAG_q)) |
| error_msg("bad %u", (unsigned)pid); |
| else if (toys.optflags & FLAG_v) |
| printf("Killed %s(%d) with signal %d\n", name, pid, TT.signum); |
| |
| return 0; |
| } |
| |
| void killall_main(void) |
| { |
| char **names = toys.optargs; |
| |
| TT.signum = SIGTERM; |
| toys.exitval++; |
| |
| if (toys.optflags & FLAG_l) { |
| sig_to_num(NULL); |
| return; |
| } |
| |
| if (**names == '-') { |
| if (0 > (TT.signum = sig_to_num((*names)+1))) { |
| if (toys.optflags & FLAG_q) exit(1); |
| error_exit("Invalid signal"); |
| } |
| names++; |
| } |
| |
| if (!*names) { |
| toys.exithelp++; |
| error_exit("Process name missing!"); |
| } |
| |
| TT.cur_pid = getpid(); |
| |
| names_to_pid(names, kill_process); |
| |
| if (toys.exitval && !(toys.optflags & FLAG_q)) error_exit("No such process"); |
| } |