glibc/sysdeps/mach/powerpc/machine-lock.h
Ulrich Drepper b9b49b44fd Update.
1997-12-28 15:08  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/powerpc/__longjmp.S: Define _SETJMP_H before including
	<bits/setjmp.h>.
	* sysdeps/powerpc/setjmp.S: Likewise.
	Patches by Matt McLean <keys@keys.got.net>.

	* Make-dist (sysdep_dirs): Ignore bits dirs while searching.

	* Makefile: Undo last patch.
	(distribute): Add test-installation.pl.

	* configure.in: Correct handling of --enable-add-ons without parameter.
	Correct address of WWW pages.

	* libc.map: Add _nl_domain_bindings.

	* db2/mutex/tsl_parisc.s: New file.

	* iconvdata/Makefile (distribute): Add jis0201.c, jis0208.c, jis0212.c,
	and extra-module.mk.

	* localedata/Makefile (distribute): New.  Add all the files.

	* stdlib/Makefile (headers): Add inttypes.h.
	(routines): Add strtoimax, strtoumax, wcstoimax, and wcstoumax.
	* sysdeps/generic/inttypes.h: New file.
	* sysdeps/generic/strtoimax.c: New file.
	* sysdeps/generic/strtoumax.c: New file.
	* sysdeps/generic/wcstoimax.c: New file.
	* sysdeps/generic/wcstoumax.c: New file.
	* sysdeps/wordsize-32/Dist: Removed.
	* sysdeps/wordsize-32/Makefile: Removed.
	* sysdeps/wordsize-64/Dist: Removed.
	* sysdeps/wordsize-64/Makefile: Removed.
	* sysdeps/generic/bits/environments.h: New file.

	* include/limits.h: Define MB_LEN_MAX in any case to 6.  The gcc
	header is still not correct.

	* io/fcntl.h [__USE_FILE_OFFSET64]: We have to use the __*64 types.
	* posix/unistd.h: Likewise.
	* sysdeps/generic/sys/mman.h: Likewise.
	* sysdeps/unix/sysv/linux/sys/mman.h: Likewise.

	* manual/arith.texi: Change definition of mul macro.
	* manual/math.texi: Likewise.

	* misc/Makefile (routines): Add mmap64.
	* sysdeps/generic/mmap64.c: New file.
	* sysdeps/unix/sysv/linux/alpha/mmap64.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc64/mmap64.c: New file.
	* sysdeps/unix/sysv/linux/alpha/syscalls.list: Add __mmap64 and mmap64
	aliases to mmap.
	* sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list: Likewise.

	* sysdeps/generic/setrlimit64.c: Don't mark as stub.

	* nis/nss_nis/nis-hosts.c (internal_nis_gethostent_r): Pretty print.

	* nis(rpcsvc/nis_tags.h: Prevent warning by unknown pragma.

	* sysdeps/posix/mk-stdiolim.c: Generate correct file which defines
	FOPEN_MAX also when included by limits.h.
	* sysdeps/unix/sysv/linux/stdio_lim.h.in: Likewise.

	* sysdeps/unix/sysv/linux/Dist: Add oldsiglist.c, netax25/ax25.h,
	and netrom/netrom.h.
	* sysdeps/unix/sysv/linux/Makefile [$(subdir)=stdio-common]: Add
	oldsiglist to sysdep_routines, not aux.
	[$(subdir)=inet] (sysdep_headers): Add netax25/ax25.h, netrom/netrom.h.

	* sysdeps/unix/sysv/linux/bits/socket.h: Remove SOL_AX25, SOL_ATALK,
	and SOL_NETROM definition.

	* sysdeps/unix/sysv/linux/i386/Dist: Add s_pwrite64.S and s_pread64.S.

	* sysdeps/unix/sysv/linux/net/route.h: Pretty print.
	* sysdeps/unix/sysv/linux/netatalk/at.h: Pretty print.

1997-12-25  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/alpha/net/route.h: New file.

	* sysdeps/unix/sysv/linux/alpha/kernel_sigaction.h: Replace
	sa_handler with k_sa_handler.
	* sysdeps/unix/sysv/linux/alpha/syscalls.list: Add __getrlimit as
	strong alias.
	Reported by a sun.

	* sysdeps/unix/sysv/linux/sigsuspend.c: Don't define
	__libc_have_rt_sigs here.
	* sysdeps/unix/sysv/linux/sigaction.c: Do it instead here.
	* sysdeps/unix/sysv/linux/i386/sigaction.c: Likewise.
	* sysdeps/unix/sysv/linux/sigpending.c: Correct comment.
	* sysdeps/unix/sysv/linux/sigprocmask.c: Likewise.

1997-12-11 07:51  Geoff Keating  <geoffk@ozemail.com.au>

	* sysdeps/powerpc/atomicity.h: New file.
	* sysdeps/mach/powerpc/machine-lock.h: New file.

	* Rules: Use -fpic to build anything that might end up in a users'
	shared library.

	* sysdeps/powerpc/s_fdim.c: New file.
	* sysdeps/powerpc/s_fdimf.c: New file.
	* sysdeps/powerpc/s_fmax.S: New file.
	* sysdeps/powerpc/s_fmaxf.S: New file.
	* sysdeps/powerpc/s_fmin.S: New file.
	* sysdeps/powerpc/s_fminf.S: New file.
	* sysdeps/powerpc/s_llrint.c: Now is for double.
	* sysdeps/powerpc/s_llrintf.c: New file.
	* sysdeps/powerpc/s_llround.c: Now is for double.
	* sysdeps/powerpc/s_llroundf.c: New file.
	* sysdeps/powerpc/s_lrint.c: Now is for double.
	* sysdeps/powerpc/s_lrintf.S: New file.
	* sysdeps/powerpc/s_lround.c: Now is for double.
	* sysdeps/powerpc/s_lroundf.c: New file.
	* sysdeps/powerpc/bits/mathinlines.h: Add inline versions of lrint,
	lrintf, fdim, fdimf.

	* sysdeps/unix/sysv/linux/powerpc/kernel_termios.h: Don't use bits/
	file directly, use its parent.

	* sysdeps/unix/sysv/linux/powerpc/dl-sysdep.c: Re-instate '++'
	(for the third time).

1997-12-20 13:50  Richard Henderson  <rth@cygnus.com>

	* posix/sched.h: timespec is in <time.h>.

	* sysdeps/unix/sysv/linux/sys/kd.h: Don't redefine _LINUX_TYPES_H.
1997-12-28 16:01:53 +00:00

76 lines
2.0 KiB
C

/* Machine-specific definition for spin locks. PowerPC version.
Copyright (C) 1994, 1997 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 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 _MACHINE_LOCK_H
#define _MACHINE_LOCK_H
/* The type of a spin lock variable. */
typedef __volatile long int __spin_lock_t;
/* Value to initialize `__spin_lock_t' variables to. */
#define __SPIN_LOCK_INITIALIZER 0L
#ifndef _EXTERN_INLINE
#define _EXTERN_INLINE extern __inline
#endif
/* Unlock LOCK. */
_EXTERN_INLINE void
__spin_unlock (__spin_lock_t *__lock)
{
__asm__ __volatile__ ("sync ; stwcx. %1,0,%0"
: : "r" (__lock), "r" (0) : "cr0");
}
/* Try to lock LOCK; return nonzero if we locked it, zero if another has. */
_EXTERN_INLINE int
__spin_try_lock (register __spin_lock_t *__lock)
{
long int __rtn;
__asm__ __volatile__ ("\
0: lwarx %0,0,%1
stwcx. %2,0,%1
bne- 0b
" : "=&r"(__rtn) : "r"(__lock), "r"(1) : "cr0");
return ~__rtn;
}
/* Return nonzero if LOCK is locked. */
_EXTERN_INLINE int
__spin_lock_locked (__spin_lock_t *__lock)
{
long int __rtn;
__asm__ __volatile__ ("\
0: lwarx %0,0,%1
stwcx. %0,0,%1
bne- 0b
" : "=&r"(__rtn) : "r"(__lock) : "cr0");
return __rtn;
}
#endif /* machine-lock.h */