/* vi: set sw=4 ts=4: */ /* * fork() for uClibc * * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> * * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. */ #include <sys/syscall.h> #if defined __ARCH_USE_MMU__ # include <unistd.h> extern __typeof(fork) __libc_fork; # if defined __NR_fork # include <cancel.h> # define __NR___libc_fork __NR_fork _syscall0(pid_t, fork) # elif defined __NR_clone && !defined __NR_fork # include <sys/types.h> # include <signal.h> # include <stddef.h> pid_t fork(void) { pid_t pid = INLINE_SYSCALL(clone, 4, SIGCHLD, NULL, NULL, NULL); if (pid < 0) return -1; return pid; } # endif # ifdef __UCLIBC_HAS_THREADS__ strong_alias(fork,__libc_fork) libc_hidden_weak(fork) # else libc_hidden_def(fork) # endif #endif