URL
https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
Subversion Repositories openrisc_2011-10-31
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- This comparison shows the changes necessary to convert path
/openrisc/tags/gnu-src/gcc-4.5.1/gcc-4.5.1-or32-1.0rc2/libgomp/config/linux/s390
- from Rev 273 to Rev 384
- ↔ Reverse comparison
Rev 273 → Rev 384
/futex.h
0,0 → 1,84
/* Copyright (C) 2005, 2008, 2009 Free Software Foundation, Inc. |
Contributed by Jakub Jelinek <jakub@redhat.com>. |
|
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. */ |
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#include <sys/syscall.h> |
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static inline long |
sys_futex0 (int *addr, int op, int val) |
{ |
register long int gpr2 __asm__ ("2"); |
register long int gpr3 __asm__ ("3"); |
register long int gpr4 __asm__ ("4"); |
register long int gpr5 __asm__ ("5"); |
|
gpr2 = (long) addr; |
gpr3 = op; |
gpr4 = val; |
gpr5 = 0; |
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__asm volatile ("svc %b1" |
: "=d" (gpr2) |
: "i" (SYS_futex), |
"0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5) |
: "memory"); |
return gpr2; |
} |
|
static inline void |
futex_wait (int *addr, int val) |
{ |
long err = sys_futex0 (addr, gomp_futex_wait, val); |
if (__builtin_expect (err == -ENOSYS, 0)) |
{ |
gomp_futex_wait &= ~FUTEX_PRIVATE_FLAG; |
gomp_futex_wake &= ~FUTEX_PRIVATE_FLAG; |
sys_futex0 (addr, gomp_futex_wait, val); |
} |
} |
|
static inline void |
futex_wake (int *addr, int count) |
{ |
long err = sys_futex0 (addr, gomp_futex_wake, count); |
if (__builtin_expect (err == -ENOSYS, 0)) |
{ |
gomp_futex_wait &= ~FUTEX_PRIVATE_FLAG; |
gomp_futex_wake &= ~FUTEX_PRIVATE_FLAG; |
sys_futex0 (addr, gomp_futex_wake, count); |
} |
} |
|
static inline void |
cpu_relax (void) |
{ |
__asm volatile ("" : : : "memory"); |
} |
|
static inline void |
atomic_write_barrier (void) |
{ |
__sync_synchronize (); |
} |
futex.h
Property changes :
Added: svn:eol-style
## -0,0 +1 ##
+native
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Added: svn:keywords
## -0,0 +1 ##
+Id
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