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author | Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> | 2011-11-02 15:28:43 +0000 |
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committer | Rainer Orth <ro@gcc.gnu.org> | 2011-11-02 15:28:43 +0000 |
commit | 5d1c8e77cfcc007c21bfdf2077afffcb720a48b2 (patch) | |
tree | cf3984b6d1138277f5083eed6653ca512143e59c /libgcc/gthr.h | |
parent | 852b75ed97493f2742b9747d08129eb5f255735c (diff) | |
download | gcc-5d1c8e77cfcc007c21bfdf2077afffcb720a48b2.zip gcc-5d1c8e77cfcc007c21bfdf2077afffcb720a48b2.tar.gz gcc-5d1c8e77cfcc007c21bfdf2077afffcb720a48b2.tar.bz2 |
Move gthr to toplevel libgcc
gcc:
* gthr-single.h, gthr.h: Move to ../libgcc.
* gthr-aix.h: Move to ../libgcc/config/rs6000.
* gthr-dce.h: Move to ../libgcc/config/pa.
* gthr-lynx.h: Move to ../libgcc/config.
* gthr-mipssde.h: Move to ../libgcc/config/mips.
* gthr-posix.h: Move to ../libgcc/config.
* gthr-rtems.h: Likewise.
* gthr-tpf.h: Move to ../libgcc/config/s390.
* gthr-vxworks.h: Move to ../libgcc/config.
* gthr-win32.h: Move to ../libgcc/config/i386.
* configure.ac (gthread_flags): Remove
(gthr-default.h): Don't create.
(thread_file): Don't substitute.
* configure: Regenerate.
* Makefile.in (GCC_THREAD_FILE): Remove.
(GTHREAD_FLAGS): Remove.
(libgcc.mvars): Remove GTHREAD_FLAGS.
* config/t-vxworks (EXTRA_HEADERS): Remove.
gcc/po:
* EXCLUDES (gthr-aix.h, gthr-dce.h, gthr-posix.c, gthr-posix.h)
(gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h)
(gthr-win32.h, gthr.h): Remove.
libgcc:
* gthr-single.h, gthr.h: New files.
* config/gthr-lynx.h, config/gthr-posix.h., config/gthr-rtems.h,
config/gthr-vxworks.h, config/i386/gthr-win32.h,
config/mips/gthr-mipssde.h, config/pa/gthr-dce.h,
config/rs6000/gthr-aix.h, config/s390/gthr-tpf.h: New files.
* config/i386/gthr-win32.c: Include "gthr-win32.h".
* configure.ac (thread_header): New variable.
Set it depending on target_thread_file.
(gthr-default.h): Link from $thread_header.
* configure: Regenerate.
* Makefile.in (LIBGCC2_CFLAGS): Remove $(GTHREAD_FLAGS).
libgfortran:
* Makefile.am (AM_CPPFLAGS): Add
-I$(srcdir)/$(MULTISRCTOP)../libgcc, -I$(MULTIBUILDTOP)../libgcc.
* Makefile.in: Regenerate.
* acinclude.m4 (LIBGFOR_CHECK_GTHR_DEFAULT): Remove.
* configure.ac (LIBGFOR_CHECK_GTHR_DEFAULT): Likewise.
* configure: Regenerate.
* config.h.in: Regenerate.
libobjc:
* Makefile.in (INCLUDES): Add -I$(MULTIBUILDTOP)../libgcc.
* configure.ac (target_thread_file, HAVE_GTHR_DEFAULT): Remove.
* configure: Regenerate.
* config.h.in: Regenerate.
libstdc++-v3:
* acinclude.m4 (GLIBCXX_CONFIGURE): Determine and substitute
toplevel_builddir.
(GLIBCXX_ENABLE_THREADS): Remove glibcxx_thread_h,
HAVE_GTHR_DEFAULT, enable_thread.
(GLIBCXX_CHECK_GTHREADS): Reflect gthr move to libgcc.
* include/Makefile.am (thread_host_headers): Remove
${host_builddir}/gthr-tpf.h.
(${host_builddir}/gthr.h): Reflect gthr move to libgcc.
Use $<.
(${host_builddir}/gthr-single.h): Likewise.
(${host_builddir}/gthr-posix.h): Likewise.
(${host_builddir}/gthr-tpf.h): Remove.
(${host_builddir}/gthr-default.h): Likewise.
* configure, config.h.in: Regenerate.
* Makefile.in, doc/Makefile.in, include/Makefile.in,
libsupc++/Makefile.in, po/Makefile.in, python/Makefile.in,
src/Makefile.intestsuite/Makefile.in: Regenerate.
From-SVN: r180776
Diffstat (limited to 'libgcc/gthr.h')
-rw-r--r-- | libgcc/gthr.h | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/libgcc/gthr.h b/libgcc/gthr.h new file mode 100644 index 0000000..607c26e --- /dev/null +++ b/libgcc/gthr.h @@ -0,0 +1,148 @@ +/* Threads compatibility routines for libgcc2. */ +/* Compile this one with gcc. */ +/* Copyright (C) 1997, 1998, 2004, 2008, 2009, 2011 + Free Software Foundation, Inc. + +This file is part of GCC. + +GCC 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. + +GCC 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/>. */ + +#ifndef GCC_GTHR_H +#define GCC_GTHR_H + +#ifndef HIDE_EXPORTS +#pragma GCC visibility push(default) +#endif + +/* If this file is compiled with threads support, it must + #define __GTHREADS 1 + to indicate that threads support is present. Also it has define + function + int __gthread_active_p () + that returns 1 if thread system is active, 0 if not. + + The threads interface must define the following types: + __gthread_key_t + __gthread_once_t + __gthread_mutex_t + __gthread_recursive_mutex_t + + The threads interface must define the following macros: + + __GTHREAD_ONCE_INIT + to initialize __gthread_once_t + __GTHREAD_MUTEX_INIT + to initialize __gthread_mutex_t to get a fast + non-recursive mutex. + __GTHREAD_MUTEX_INIT_FUNCTION + some systems can't initialize a mutex without a + function call. On such systems, define this to a + function which looks like this: + void __GTHREAD_MUTEX_INIT_FUNCTION (__gthread_mutex_t *) + Don't define __GTHREAD_MUTEX_INIT in this case + __GTHREAD_RECURSIVE_MUTEX_INIT + __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION + as above, but for a recursive mutex. + + The threads interface must define the following static functions: + + int __gthread_once (__gthread_once_t *once, void (*func) ()) + + int __gthread_key_create (__gthread_key_t *keyp, void (*dtor) (void *)) + int __gthread_key_delete (__gthread_key_t key) + + void *__gthread_getspecific (__gthread_key_t key) + int __gthread_setspecific (__gthread_key_t key, const void *ptr) + + int __gthread_mutex_destroy (__gthread_mutex_t *mutex); + + int __gthread_mutex_lock (__gthread_mutex_t *mutex); + int __gthread_mutex_trylock (__gthread_mutex_t *mutex); + int __gthread_mutex_unlock (__gthread_mutex_t *mutex); + + int __gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *mutex); + int __gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *mutex); + int __gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *mutex); + + The following are supported in POSIX threads only. They are required to + fix a deadlock in static initialization inside libsupc++. The header file + gthr-posix.h defines a symbol __GTHREAD_HAS_COND to signify that these extra + features are supported. + + Types: + __gthread_cond_t + + Macros: + __GTHREAD_COND_INIT + __GTHREAD_COND_INIT_FUNCTION + + Interface: + int __gthread_cond_broadcast (__gthread_cond_t *cond); + int __gthread_cond_wait (__gthread_cond_t *cond, __gthread_mutex_t *mutex); + int __gthread_cond_wait_recursive (__gthread_cond_t *cond, + __gthread_recursive_mutex_t *mutex); + + All functions returning int should return zero on success or the error + number. If the operation is not supported, -1 is returned. + + If the following are also defined, you should + #define __GTHREADS_CXX0X 1 + to enable the c++0x thread library. + + Types: + __gthread_t + __gthread_time_t + + Interface: + int __gthread_create (__gthread_t *thread, void *(*func) (void*), + void *args); + int __gthread_join (__gthread_t thread, void **value_ptr); + int __gthread_detach (__gthread_t thread); + int __gthread_equal (__gthread_t t1, __gthread_t t2); + __gthread_t __gthread_self (void); + int __gthread_yield (void); + + int __gthread_mutex_timedlock (__gthread_mutex_t *m, + const __gthread_time_t *abs_timeout); + int __gthread_recursive_mutex_timedlock (__gthread_recursive_mutex_t *m, + const __gthread_time_t *abs_time); + + int __gthread_cond_signal (__gthread_cond_t *cond); + int __gthread_cond_timedwait (__gthread_cond_t *cond, + __gthread_mutex_t *mutex, + const __gthread_time_t *abs_timeout); + int __gthread_cond_timedwait_recursive (__gthread_cond_t *cond, + __gthread_recursive_mutex_t *mutex, + const __gthread_time_t *abs_time) + +*/ + +#if SUPPORTS_WEAK +#ifndef GTHREAD_USE_WEAK +#define GTHREAD_USE_WEAK 1 +#endif +#endif +#include "gthr-default.h" + +#ifndef HIDE_EXPORTS +#pragma GCC visibility pop +#endif + +#endif /* ! GCC_GTHR_H */ |