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/* vi: set sw=4 ts=4:
*
* pidof.c - Print the PIDs of all processes with the given names.
*
* Copyright 2012 Andreas Heck <aheck@gmx.de>
*
* Not in SUSv4.
* See http://opengroup.org/onlinepubs/9699919799/utilities/
USE_PIDOF(NEWTOY(pidof, "", TOYFLAG_USR|TOYFLAG_BIN))
config PIDOF
bool "pidof"
default y
help
usage: pidof [NAME]...
Print the PIDs of all processes with the given names.
*/
#include "toys.h"
DEFINE_GLOBALS(
int matched;
)
#define TT this.pidof
static void print_pid (const char *pid) {
if (TT.matched) putchar(' ');
fputs(pid, stdout);
TT.matched = 1;
}
void pidof_main(void)
{
int err;
TT.matched = 0;
if (!toys.optargs) exit(1);
err = for_each_pid_with_name_in(toys.optargs, print_pid);
if (err) exit(1);
if (!TT.matched)
exit(1);
else
putchar('\n');
}
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