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alpha: Set wait4 as cancellation entrypoint

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Since both wait and waitpid are implemented on top of wait4.  It fixes
nptl/tst-cancel{x}{4,5,7}.

Checked on alpha-linux-gnu.
This commit is contained in:
Adhemerval Zanella 2019-12-27 17:21:56 -03:00
parent d99b500e3d
commit 09153638cf
2 changed files with 26 additions and 1 deletions
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1
sysdeps/unix/sysv/linux/alpha/syscalls.list
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@ -28,7 +28,6 @@ getitimer - getitimer i:ip __getitimer getitimer@@GLIBC_2.1
setitimer - setitimer i:ipP __setitimer setitimer@@GLIBC_2.1
utimes - utimes i:sp __utimes utimes@@GLIBC_2.1
getrusage - getrusage i:ip __getrusage getrusage@@GLIBC_2.1
wait4 - wait4 i:iWiP __wait4 wait4@@GLIBC_2.1
# avoid 64-bit aliases on 32-bit statfs syscalls
fstatfs - fstatfs i:ip __fstatfs fstatfs

26
sysdeps/unix/sysv/linux/alpha/wait4.c Normal file
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@ -0,0 +1,26 @@
/* wait4 -- wait for process to change state. Linux/Alpha version.
Copyright (C) 2019 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 <shlib-compat.h>
#undef weak_alias
#define weak_alias(a, b)
#include <sysdeps/unix/sysv/linux/wait4.c>
versioned_symbol (libc, __wait4, wait4, GLIBC_2_1);
/* GLIBC_2_0 version is implemented at osf_wait4.c. */