git://sourceware.org / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 28f540f4 RM |
1 | /* This implements wait4 with the 4.4 BSD semantics (also those documented in |
| 2 | SunOS 4.1) on top of SunOS's wait4 system call, which has semantics | |
| 3 | different from those documented. Go Sun! | |
| ebbad4cc UD |
4 | Copyright (C) 1991, 1992, 1993, 1995, 1997 Free Software Foundation, Inc. |
| 5 | This file is part of the GNU C Library. | |
| 28f540f4 | 6 | |
| ebbad4cc UD |
7 | The GNU C Library is free software; you can redistribute it and/or |
| 8 | modify it under the terms of the GNU Library General Public License as | |
| 9 | published by the Free Software Foundation; either version 2 of the | |
| 10 | License, or (at your option) any later version. | |
| 28f540f4 | 11 | |
| ebbad4cc UD |
12 | The GNU C Library is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 | Library General Public License for more details. | |
| 28f540f4 | 16 | |
| ebbad4cc UD |
17 | You should have received a copy of the GNU Library General Public |
| 18 | License along with the GNU C Library; see the file COPYING.LIB. If not, | |
| 19 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 20 | Boston, MA 02111-1307, USA. */ | |
| 28f540f4 | 21 | |
| 28f540f4 RM |
22 | #include <sys/types.h> |
| 23 | #include <sys/wait.h> | |
| 24 | #include <unistd.h> | |
| 25 | ||
| 26 | extern pid_t __wait4_syscall __P ((pid_t pid, __WAIT_STATUS_DEFN stat_loc, | |
| 27 | int options, struct rusage *usage)); | |
| 28 | ||
| 29 | pid_t | |
| ebbad4cc UD |
30 | __wait4 (pid, stat_loc, options, usage) |
| 31 | pid_t pid; | |
| 32 | __WAIT_STATUS_DEFN stat_loc; | |
| 33 | int options; | |
| 34 | struct rusage *usage; | |
| 28f540f4 RM |
35 | { |
| 36 | switch (pid) | |
| 37 | { | |
| 38 | case WAIT_ANY: | |
| 39 | pid = 0; | |
| 40 | break; | |
| 41 | ||
| 42 | case WAIT_MYPGRP: | |
| 43 | pid = - getpgrp (); | |
| 44 | break; | |
| 45 | } | |
| 46 | ||
| 47 | return __wait4_syscall (pid, stat_loc, options, usage); | |
| 48 | } | |
| 49 | ||
| 50 | weak_alias (__wait4, wait4) |