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Repository switched to git at https://github.com/landley/toybox
author Rob Landley <rob@landley.net>
date Thu, 09 Apr 2015 02:28:32 -0500
parents 57f2a26fa92c
children
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1 /* pidof.c - Print the Process IDs of all processes with the given names.
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2 *
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3 * Copyright 2012 Andreas Heck <aheck@gmx.de>
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4 * Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com>
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5 *
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6 * http://refspecs.linuxfoundation.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/pidof.html
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7
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8 USE_PIDOF(NEWTOY(pidof, "<1so:", TOYFLAG_BIN))
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9
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10 config PIDOF
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11 bool "pidof"
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12 default y
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13 help
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14 usage: pidof [-s] [-o omitpid[,omitpid...]] [NAME]...
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16 Print the PIDs of all processes with the given names.
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17
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18 -s single shot, only return one pid.
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19 -o omit PID(s)
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20 */
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21
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22 #define FOR_pidof
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23 #include "toys.h"
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24
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25 GLOBALS(
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26 char *omit;
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27 )
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28
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29 static int print_pid(pid_t pid, char *name)
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30 {
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31 char * res;
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32 int len;
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34 sprintf(toybuf, "%d", (int)pid);
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35 len = strlen(toybuf);
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36
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37 // Check omit string
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38 if (TT.omit && (res = strstr(TT.omit, toybuf)))
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39 if ((res == TT.omit || res[-1] == ',') &&
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40 (res[len] == ',' || !res[len])) return 0;
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41
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42 xprintf("%*s", len+(!toys.exitval), toybuf);
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43 toys.exitval = 0;
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44
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45 return toys.optflags & FLAG_s;
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46 }
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48 void pidof_main(void)
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49 {
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50 toys.exitval = 1;
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51 names_to_pid(toys.optargs, print_pid);
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52 if (!toys.exitval) xputc('\n');
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53 }