Import in NPTL code from glibc. For further information please

consult the 'README.NPTL' file.

1 files changed, 203 insertions, 0 deletions

diff --git a/libpthread/nptl/forward.c b/libpthread/nptl/forward.c
new file mode 100644
index 000000000..e5f93d475
--- /dev/null
+++ b/libpthread/nptl/forward.c
@@ -0,0 +1,203 @@
+/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <dlfcn.h>
+#include <pthreadP.h>
+#include <signal.h>
+#include <stdlib.h>
+
+#include <shlib-compat.h>
+#include <atomic.h>
+#include <sysdep.h>
+
+
+/* Pointers to the libc functions.  */
+struct pthread_functions __libc_pthread_functions attribute_hidden;
+
+
+#define FORWARD2(name, rettype, decl, params, defaction) \
+rettype									      \
+name decl								      \
+{									      \
+  if (__libc_pthread_functions.ptr_##name == NULL)			      \
+    defaction;								      \
+									      \
+  return __libc_pthread_functions.ptr_##name params;			      \
+}
+
+#define FORWARD(name, decl, params, defretval) \
+  FORWARD2 (name, int, decl, params, return defretval)
+
+
+FORWARD (pthread_attr_destroy, (pthread_attr_t *attr), (attr), 0)
+
+#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_1)
+FORWARD (__pthread_attr_init_2_0, (pthread_attr_t *attr), (attr), 0)
+compat_symbol (libc, __pthread_attr_init_2_0, pthread_attr_init, GLIBC_2_0);
+#endif
+
+FORWARD (__pthread_attr_init_2_1, (pthread_attr_t *attr), (attr), 0)
+versioned_symbol (libc, __pthread_attr_init_2_1, pthread_attr_init, GLIBC_2_1);
+
+FORWARD (pthread_attr_getdetachstate,
+	 (const pthread_attr_t *attr, int *detachstate), (attr, detachstate),
+	 0)
+FORWARD (pthread_attr_setdetachstate, (pthread_attr_t *attr, int detachstate),
+	 (attr, detachstate), 0)
+
+FORWARD (pthread_attr_getinheritsched,
+	 (const pthread_attr_t *attr, int *inherit), (attr, inherit), 0)
+FORWARD (pthread_attr_setinheritsched, (pthread_attr_t *attr, int inherit),
+	 (attr, inherit), 0)
+
+FORWARD (pthread_attr_getschedparam,
+	 (const pthread_attr_t *attr, struct sched_param *param),
+	 (attr, param), 0)
+FORWARD (pthread_attr_setschedparam,
+	 (pthread_attr_t *attr, const struct sched_param *param),
+	 (attr, param), 0)
+
+FORWARD (pthread_attr_getschedpolicy,
+	 (const pthread_attr_t *attr, int *policy), (attr, policy), 0)
+FORWARD (pthread_attr_setschedpolicy, (pthread_attr_t *attr, int policy),
+	 (attr, policy), 0)
+
+FORWARD (pthread_attr_getscope,
+	 (const pthread_attr_t *attr, int *scope), (attr, scope), 0)
+FORWARD (pthread_attr_setscope, (pthread_attr_t *attr, int scope),
+	 (attr, scope), 0)
+
+
+FORWARD (pthread_condattr_destroy, (pthread_condattr_t *attr), (attr), 0)
+FORWARD (pthread_condattr_init, (pthread_condattr_t *attr), (attr), 0)
+
+#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_3_2)
+FORWARD2 (__pthread_cond_broadcast_2_0, int attribute_compat_text_section,
+	  (pthread_cond_2_0_t *cond), (cond), return 0)
+compat_symbol (libc, __pthread_cond_broadcast_2_0, pthread_cond_broadcast,
+	       GLIBC_2_0);
+#endif
+FORWARD (__pthread_cond_broadcast, (pthread_cond_t *cond), (cond), 0)
+versioned_symbol (libc, __pthread_cond_broadcast, pthread_cond_broadcast,
+		  GLIBC_2_3_2);
+
+#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_3_2)
+FORWARD2 (__pthread_cond_destroy_2_0, int attribute_compat_text_section,
+	  (pthread_cond_2_0_t *cond), (cond), return 0)
+compat_symbol (libc, __pthread_cond_destroy_2_0, pthread_cond_destroy,
+	       GLIBC_2_0);
+#endif
+FORWARD (__pthread_cond_destroy, (pthread_cond_t *cond), (cond), 0)
+versioned_symbol (libc, __pthread_cond_destroy, pthread_cond_destroy,
+		  GLIBC_2_3_2);
+
+#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_3_2)
+FORWARD2 (__pthread_cond_init_2_0, int attribute_compat_text_section,
+	  (pthread_cond_2_0_t *cond, const pthread_condattr_t *cond_attr),
+	  (cond, cond_attr), return 0)
+compat_symbol (libc, __pthread_cond_init_2_0, pthread_cond_init, GLIBC_2_0);
+#endif
+FORWARD (__pthread_cond_init,
+	 (pthread_cond_t *cond, const pthread_condattr_t *cond_attr),
+	 (cond, cond_attr), 0)
+versioned_symbol (libc, __pthread_cond_init, pthread_cond_init, GLIBC_2_3_2);
+
+#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_3_2)
+FORWARD2 (__pthread_cond_signal_2_0, int attribute_compat_text_section,
+	  (pthread_cond_2_0_t *cond), (cond), return 0)
+compat_symbol (libc, __pthread_cond_signal_2_0, pthread_cond_signal,
+	       GLIBC_2_0);
+#endif
+FORWARD (__pthread_cond_signal, (pthread_cond_t *cond), (cond), 0)
+versioned_symbol (libc, __pthread_cond_signal, pthread_cond_signal,
+		  GLIBC_2_3_2);
+
+#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_3_2)
+FORWARD2 (__pthread_cond_wait_2_0, int attribute_compat_text_section,
+	  (pthread_cond_2_0_t *cond, pthread_mutex_t *mutex), (cond, mutex),
+	  return 0)
+compat_symbol (libc, __pthread_cond_wait_2_0, pthread_cond_wait,
+	       GLIBC_2_0);
+#endif
+FORWARD (__pthread_cond_wait, (pthread_cond_t *cond, pthread_mutex_t *mutex),
+	 (cond, mutex), 0)
+versioned_symbol (libc, __pthread_cond_wait, pthread_cond_wait,
+		  GLIBC_2_3_2);
+
+#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_3_2)
+FORWARD2 (__pthread_cond_timedwait_2_0, int attribute_compat_text_section,
+	  (pthread_cond_2_0_t *cond, pthread_mutex_t *mutex,
+	   const struct timespec *abstime), (cond, mutex, abstime),
+	  return 0)
+compat_symbol (libc, __pthread_cond_timedwait_2_0, pthread_cond_timedwait,
+	       GLIBC_2_0);
+#endif
+FORWARD (__pthread_cond_timedwait,
+	 (pthread_cond_t *cond, pthread_mutex_t *mutex,
+	  const struct timespec *abstime), (cond, mutex, abstime), 0)
+versioned_symbol (libc, __pthread_cond_timedwait, pthread_cond_timedwait,
+		  GLIBC_2_3_2);
+
+
+FORWARD (pthread_equal, (pthread_t thread1, pthread_t thread2),
+	 (thread1, thread2), 1)
+
+
+/* Use an alias to avoid warning, as pthread_exit is declared noreturn.  */
+FORWARD2 (__pthread_exit, void, (void *retval), (retval), exit (EXIT_SUCCESS))
+strong_alias (__pthread_exit, pthread_exit);
+
+
+FORWARD (pthread_getschedparam,
+	 (pthread_t target_thread, int *policy, struct sched_param *param),
+	 (target_thread, policy, param), 0)
+FORWARD (pthread_setschedparam,
+	 (pthread_t target_thread, int policy,
+	  const struct sched_param *param), (target_thread, policy, param), 0)
+
+
+FORWARD (pthread_mutex_destroy, (pthread_mutex_t *mutex), (mutex), 0)
+
+FORWARD (pthread_mutex_init,
+	 (pthread_mutex_t *mutex, const pthread_mutexattr_t *mutexattr),
+	 (mutex, mutexattr), 0)
+
+FORWARD (pthread_mutex_lock, (pthread_mutex_t *mutex), (mutex), 0)
+
+FORWARD (pthread_mutex_unlock, (pthread_mutex_t *mutex), (mutex), 0)
+
+
+FORWARD2 (pthread_self, pthread_t, (void), (), return 0)
+
+
+FORWARD (pthread_setcancelstate, (int state, int *oldstate), (state, oldstate),
+	 0)
+
+FORWARD (pthread_setcanceltype, (int type, int *oldtype), (type, oldtype), 0)
+
+#define return /* value is void */
+FORWARD2(__pthread_unwind,
+	 void attribute_hidden __attribute ((noreturn)) __cleanup_fct_attribute
+	 attribute_compat_text_section,
+	 (__pthread_unwind_buf_t *buf), (buf), {
+		       /* We cannot call abort() here.  */
+		       INTERNAL_SYSCALL_DECL (err);
+		       INTERNAL_SYSCALL (kill, err, 1, SIGKILL);
+		     })
+#undef return