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author | Dan Albert <danalbert@google.com> | 2016-02-24 13:48:45 -0800 |
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committer | Dan Albert <danalbert@google.com> | 2016-02-24 13:51:18 -0800 |
commit | b9de1157289455b0ca26daff519d4a0ddcd1fa13 (patch) | |
tree | 4c56cc0a34b91f17033a40a455f26652304f7b8d /gcc-4.8.1/libgomp/config/linux/futex.h | |
parent | 098157a754787181cfa10e71325832448ddcea98 (diff) | |
download | toolchain_gcc-b9de1157289455b0ca26daff519d4a0ddcd1fa13.tar.gz toolchain_gcc-b9de1157289455b0ca26daff519d4a0ddcd1fa13.tar.bz2 toolchain_gcc-b9de1157289455b0ca26daff519d4a0ddcd1fa13.zip |
Update 4.8.1 to 4.8.3.
My previous drop was the wrong version. The platform mingw is
currently using 4.8.3, not 4.8.1 (not sure how I got that wrong).
From ftp://ftp.gnu.org/gnu/gcc/gcc-4.8.3/gcc-4.8.3.tar.bz2.
Bug: http://b/26523949
Change-Id: Id85f1bdcbbaf78c7d0b5a69e74c798a08f341c35
Diffstat (limited to 'gcc-4.8.1/libgomp/config/linux/futex.h')
-rw-r--r-- | gcc-4.8.1/libgomp/config/linux/futex.h | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/gcc-4.8.1/libgomp/config/linux/futex.h b/gcc-4.8.1/libgomp/config/linux/futex.h deleted file mode 100644 index fecaa9f58..000000000 --- a/gcc-4.8.1/libgomp/config/linux/futex.h +++ /dev/null @@ -1,69 +0,0 @@ -/* Copyright (C) 2010-2013 Free Software Foundation, Inc. - Contributed by ARM Ltd. - - This file is part of the GNU OpenMP Library (libgomp). - - Libgomp is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3, or (at your option) - any later version. - - Libgomp 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 General Public License for - more details. - - Under Section 7 of GPL version 3, you are granted additional - permissions described in the GCC Runtime Library Exception, version - 3.1, as published by the Free Software Foundation. - - You should have received a copy of the GNU General Public License and - a copy of the GCC Runtime Library Exception along with this program; - see the files COPYING3 and COPYING.RUNTIME respectively. If not, see - <http://www.gnu.org/licenses/>. */ - -/* Provide target-specific access to the futex system call. */ - -/* The include file hierachy above us (wait.h) has pushed visibility - hidden, this will be applied to prototypes with headers we include - with the effect that we cannot link against an external function - (syscall). The solution here is to push default visibility, include - our required headers then reinstante the original visibility. */ - -#pragma GCC visibility push(default) - -#define _GNU_SOURCE -#include <unistd.h> -#include <sys/syscall.h> - -#pragma GCC visibility pop - -static inline void -futex_wait (int *addr, int val) -{ - long err = syscall (SYS_futex, addr, gomp_futex_wait, val, NULL); - if (__builtin_expect (err == -ENOSYS, 0)) - { - gomp_futex_wait &= ~FUTEX_PRIVATE_FLAG; - gomp_futex_wake &= ~FUTEX_PRIVATE_FLAG; - syscall (SYS_futex, addr, gomp_futex_wait, val, NULL); - } -} - -static inline void -futex_wake (int *addr, int count) -{ - long err = syscall (SYS_futex, addr, gomp_futex_wake, count); - if (__builtin_expect (err == -ENOSYS, 0)) - { - gomp_futex_wait &= ~FUTEX_PRIVATE_FLAG; - gomp_futex_wake &= ~FUTEX_PRIVATE_FLAG; - syscall (SYS_futex, addr, gomp_futex_wake, count); - } -} - -static inline void -cpu_relax (void) -{ - __asm volatile ("" : : : "memory"); -} |