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Remove unused fork implementations.

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This commit is contained in:
Joseph Myers 2012-04-24 23:02:49 +00:00
parent b96914afa8
commit ae186e9a85
4 changed files with 4 additions and 94 deletions
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4
ChangeLog
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@ -1,5 +1,9 @@
2012-04-24 Joseph Myers <joseph@codesourcery.com>
* sysdeps/unix/fork.S: Remove file.
* sysdeps/unix/i386/fork.S: Likewise.
* sysdeps/unix/sparc/fork.S: Likewise.
* sysdeps/unix/system.c: Remove file.
* sysdeps/unix/bsd/bsd4.4/system.c: Likewise.

33
sysdeps/unix/fork.S
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@ -1,33 +0,0 @@
/* Copyright (C) 1991,92,94,95,97,2002 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, see
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
/* This code works for at least m68k. */
SYSCALL__ (fork, 0)
/* R1 is now 0 for the parent and 1 for the child. Decrement it to
make it -1 (all bits set) for the parent, and 0 (no bits set)
for the child. Then AND it with R0, so the parent gets
R0&-1==R0, and the child gets R0&0==0. */
subl #1, r1
andl r1, r0
ret
PSEUDO_END (__fork)
libc_hidden_def (__fork)
weak_alias (__fork, fork)

31
sysdeps/unix/i386/fork.S
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@ -1,31 +0,0 @@
/* Copyright (C) 1991,92,94,95,97,2002 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, see
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
SYSCALL__ (fork, 0)
/* R1 is now 0 for the parent and 1 for the child. Decrement it to
make it -1 (all bits set) for the parent, and 0 (no bits set)
for the child. Then AND it with R0, so the parent gets
R0&-1==R0, and the child gets R0&0==0. */
decl r1
andl r1, r0
ret
PSEUDO_END (__fork)
libc_hidden_def (__fork)
weak_alias (__fork, fork)

30
sysdeps/unix/sparc/fork.S
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@ -1,30 +0,0 @@
/* Copyright (C) 1991, 92, 94, 95, 97, 99, 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, see
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
SYSCALL__ (fork, 0)
/* %o1 is now 0 for the parent and 1 for the child. Decrement it to
make it -1 (all bits set) for the parent, and 0 (no bits set)
for the child. Then AND it with %o0, so the parent gets
%o0&-1==pid, and the child gets %o0&0==0. */
sub %o1, 1, %o1
retl
and %o0, %o1, %o0
libc_hidden_def (__fork)
weak_alias (__fork, fork)