| /* 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; |
| name_to_pid(toys.optargs, print_pid); |
| if (!toys.exitval) xputc('\n'); |
| } |