Mercurial > hg > toybox
annotate toys/killall.c @ 562:4d802d438983
Match uint64_t with PRIu64 to avoid warnings on 64 bit builds.
author  Rob Landley <rob@landley.net> 

date  Sat, 14 Apr 2012 21:27:00 0500 
parents  c9aaceccd6bd 
children 
rev  line source 

475
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Add killall by Andreas Heck, and factor out common pid code to lib.h.
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1 /* vi: set sw=4 ts=4: 
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2 * 
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3 * killall.c  Send signal (default: TERM) to all processes with given names. 
475
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4 * 
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5 * Copyright 2012 Andreas Heck <aheck@gmx.de> 
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6 * 
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7 * Not in SUSv4. 
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8 
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9 USE_KILLALL(NEWTOY(killall, "<1?lq", TOYFLAG_USRTOYFLAG_BIN)) 
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10 
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11 config KILLALL 
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12 bool "killall" 
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13 default y 
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14 help 
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15 usage: killall [l] [q] [SIG] PROCESS_NAME... 
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16 
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17 Send a signal (default: TERM) to all processes with the given names. 
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18 
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19 l print list of all available signals 
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20 q don't print any warnings or error messages 
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21 */ 
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22 
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23 #include "toys.h" 
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24 
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25 #define FLAG_q 1 
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26 #define FLAG_l 2 
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27 
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28 DEFINE_GLOBALS( 
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29 int signum; 
475
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30 ) 
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31 #define TT this.killall 
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32 
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33 static void kill_process(pid_t pid) 
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34 { 
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35 int ret; 
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36 
479  37 toys.exitval = 0; 
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38 ret = kill(pid, TT.signum); 
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39 
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40 if (ret == 1 && !(toys.optflags & FLAG_q)) perror("kill"); 
475
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41 } 
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42 
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43 void killall_main(void) 
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44 { 
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45 char **names; 
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46 
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47 if (toys.optflags & FLAG_l) { 
479  48 sig_to_num(NULL); 
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49 return; 
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50 } 
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51 
479  52 TT.signum = SIGTERM; 
53 toys.exitval++;  
54  
475
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55 if (!*toys.optargs) { 
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56 toys.exithelp = 1; 
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57 error_exit("Process name missing!"); 
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58 } 
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59 
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60 names = toys.optargs; 
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61 
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62 if (**names == '') { 
479  63 if (0 > (TT.signum = sig_to_num((*names)+1))) { 
64 if (toys.optflags & FLAG_q) exit(1);  
65 error_exit("Invalid signal");  
475
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66 } 
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67 names++; 
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68 
479  69 if (!*names) { 
70 toys.exithelp++;  
71 error_exit("Process name missing!");  
72 }  
475
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73 } 
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74 
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75 for_each_pid_with_name_in(names, kill_process); 
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76 
479  77 if (toys.exitval && !(toys.optflags & FLAG_q)) 
78 error_exit("No such process");  
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79 } 