|  | /* Copyright (C) 1991, 1995, 1996, 1997, 2002 Free Software Foundation, Inc. | 
|  | This file is part of the GNU C Library. | 
|  |  | 
|  | The GNU C Library is free software; you can redistribute it and/or | 
|  | modify it under the terms of the GNU Lesser General Public | 
|  | License as published by the Free Software Foundation; either | 
|  | version 2.1 of the License, or (at your option) any later version. | 
|  |  | 
|  | The GNU C Library is distributed in the hope that it will be useful, | 
|  | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
|  | Lesser General Public License for more details. | 
|  |  | 
|  | You should have received a copy of the GNU Lesser General Public | 
|  | License along with the GNU C Library; if not, write to the Free | 
|  | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | 
|  | 02111-1307 USA.  */ | 
|  |  | 
|  | #include <errno.h> | 
|  | #include <unistd.h> | 
|  | #include <sys/types.h> | 
|  | #include <stdlib.h> | 
|  | #include <stdio.h> | 
|  | #include <ros/syscall.h> | 
|  | #include <sys/fork_cb.h> | 
|  |  | 
|  | /* Clone the calling process, creating an exact copy. | 
|  | Return -1 for errors, 0 to the new process, | 
|  | and the process ID of the new process to the old process.  */ | 
|  | pid_t __fork(void) | 
|  | { | 
|  | pid_t ret; | 
|  | struct fork_cb *cb; | 
|  |  | 
|  | if (!pre_fork_2ls || !post_fork_2ls) { | 
|  | fprintf(stderr, "[user] Tried to fork without 2LS support!\n"); | 
|  | assert(0); | 
|  | } | 
|  | pre_fork_2ls(); | 
|  | ret = ros_syscall(SYS_fork, 0, 0, 0, 0, 0, 0); | 
|  | post_fork_2ls(ret); | 
|  | if (ret == 0) { | 
|  | cb = fork_callbacks; | 
|  | while (cb) { | 
|  | cb->func(); | 
|  | cb = cb->next; | 
|  | } | 
|  | } | 
|  | return ret; | 
|  | } | 
|  | libc_hidden_def (__fork) | 
|  | weak_alias (__fork, fork) |