| /* 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, "so:<1", 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) |
| { |
| |
| if (toys.optflags & FLAG_o) |
| { |
| char * res; |
| int len; |
| snprintf(toybuf, sizeof(toybuf), "%d", pid); |
| len = strlen(toybuf); |
| res = strstr(TT.omit, toybuf); |
| if (res && |
| (res == TT.omit || res[-1] == ',') && |
| (res[len] == ',' || res[len] == 0)) |
| // Found in omit string |
| return 1; |
| } |
| |
| xprintf("%s%ld", toys.exitval ? "" : " ", (long)pid); |
| toys.exitval = 0; |
| |
| if (toys.optflags & FLAG_s) |
| return 0; |
| |
| return 1; |
| } |
| |
| void pidof_main(void) |
| { |
| toys.exitval = 1; |
| for_each_pid_with_name_in(toys.optargs, print_pid); |
| if (!toys.exitval) xputc('\n'); |
| } |