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/* pidof.c - Print the Process IDs of all processes with the given names.
*
* Copyright 2012 Andreas Heck <aheck@gmx.de>
* Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com>
*
* http://refspecs.linuxfoundation.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/pidof.html
USE_PIDOF(NEWTOY(pidof, "<1so:", TOYFLAG_USR|TOYFLAG_BIN))
config PIDOF
bool "pidof"
default y
help
usage: pidof [-s] [-o omitpid[,omitpid..]] [NAME]...
Print the PIDs of all processes with the given names.
-s single shot, only return one pid.
-o omits processes with specified PID
*/
#define FOR_pidof
#include "toys.h"
GLOBALS(
char *omit;
)
static int print_pid(pid_t pid, char * name)
{
char * res;
int len;
sprintf(toybuf, "%d", pid);
len = strlen(toybuf);
// Check omit string
if (toys.optflags & FLAG_o)
{
res = strstr(TT.omit, toybuf);
if (res && (res == TT.omit || res[-1] == ',') &&
(res[len] == ',' || res[len] == 0)) return 1;
}
xprintf("%*s", len+(!toys.exitval), toybuf);
toys.exitval = 0;
return !(toys.optflags & FLAG_s);
}
void pidof_main(void)
{
toys.exitval = 1;
for_each_pid_with_name_in(toys.optargs, print_pid);
if (!toys.exitval) xputc('\n');
}
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