From 5d1c8e77cfcc007c21bfdf2077afffcb720a48b2 Mon Sep 17 00:00:00 2001 From: Rainer Orth Date: Wed, 2 Nov 2011 15:28:43 +0000 Subject: 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 --- libgcc/gthr.h | 148 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 148 insertions(+) create mode 100644 libgcc/gthr.h (limited to 'libgcc/gthr.h') 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 +. */ + +#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 */ -- cgit v1.1