AuroraMiddleware/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2024-12-24 03:31:07 +00:00
Code Issues Packages Projects Releases Wiki Activity

* sysdeps/unix/sysv/linux/mips/Dist: Add sys/tas.h.

Browse Source 
* sysdeps/unix/sysv/linux/mips/Makefile (sysdep_routines): Add
	_test_and_set.
	(headers): Add sys/tas.h.
	* sysdeps/unix/sysv/linux/mips/Versions: Export _test_and_set for
	GLIBC_2.2 from libc.
	* sysdeps/unix/sysv/linux/mips/_test_and_set.c: New file.
	* sysdeps/unix/sysv/linux/mips/sys/tas.h: New file for
	_test_and_set.
This commit is contained in:
Andreas Jaeger 2000-07-28 13:37:26 +00:00
parent 797c09d821
commit da671ea07a
5 changed files with 115 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
sysdeps/unix/sysv/linux/mips/Dist
View File

@ -1,10 +1,11 @@
clone.S
entry.h
kernel_sigaction.h
kernel_stat.h
kernel_termios.h
entry.h
xstatconv.c
sys/acct.h
sys/cachectl.h
sys/procfs.h
sys/sysmips.h
sys/tas.h
xstatconv.c

4
sysdeps/unix/sysv/linux/mips/Makefile
View File

@ -5,7 +5,7 @@ sysdep_routines += rt_sigsuspend rt_sigprocmask rt_sigtimedwait \
endif
ifeq ($(subdir),misc)
sysdep_routines += cachectl cacheflush sysmips
sysdep_routines += cachectl cacheflush sysmips _test_and_set
headers += sys/cachectl.h sys/sysmips.h
headers += sys/cachectl.h sys/sysmips.h sys/tas.h
endif

4
sysdeps/unix/sysv/linux/mips/Versions
View File

@ -14,4 +14,8 @@ libc {
# s*
sysmips;
}
GLIBC_2.2 {
# _*
_test_and_set;
}
}

30
sysdeps/unix/sysv/linux/mips/_test_and_set.c Normal file
View File

@ -0,0 +1,30 @@
/* Copyright (C) 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Maciej W. Rozycki <macro@ds2.pg.gda.pl>, 2000.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* Define the real-function versions of all inline functions
defined in sys/tas.h */
#include <features.h>
#define _EXTERN_INLINE
#ifndef __USE_EXTERN_INLINES
# define __USE_EXTERN_INLINES 1
#endif
#include "sys/tas.h"

76
sysdeps/unix/sysv/linux/mips/sys/tas.h Normal file
View File

@ -0,0 +1,76 @@
/* Copyright (C) 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Maciej W. Rozycki <macro@ds2.pg.gda.pl>, 2000.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef _SYS_TAS_H
#define _SYS_TAS_H 1
#include <features.h>
#include <sgidefs.h>
#include <sys/sysmips.h>
__BEGIN_DECLS
extern int _test_and_set (int *p, int v) __THROW;
#ifdef __USE_EXTERN_INLINES
# ifndef _EXTERN_INLINE
# define _EXTERN_INLINE extern __inline
# endif
# if (_MIPS_ISA >= _MIPS_ISA_MIPS2)
_EXTERN_INLINE int
_test_and_set (int *p, int v) __THROW
{
int r, t;
__asm__ __volatile__
("1:\n\t"
"ll %0,%3\n\t"
".set push\n\t"
".set noreorder\n\t"
"beq %0,%4,2f\n\t"
" move %1,%4\n\t"
".set pop\n\t"
"sc %1,%2\n\t"
"beqz %1,1b\n"
"2:"
: "=&r" (r), "=&r" (t), "=m" (*p)
: "m" (*p), "r" (v)
: "memory");
return r;
}
# else /* !(_MIPS_ISA >= _MIPS_ISA_MIPS2) */
_EXTERN_INLINE int
_test_and_set (int *p, int v) __THROW
{
return sysmips (MIPS_ATOMIC_SET, (int) p, v, 0);
}
# endif /* !(_MIPS_ISA >= _MIPS_ISA_MIPS2) */
#endif /* __USE_EXTERN_INLINES */
__END_DECLS
#endif /* sys/tas.h */