PowerPC port contributed by Paul Mackerras <paulus@samba.org>.

	* sysdeps/pthread/pthread_spin_init.c: New file.
	* sysdeps/pthread/pthread_spin_unlock.c: New file.
	* sysdeps/powerpc/Makefile: New file.
	* sysdeps/powerpc/pthread_spin_lock.c: New file.
	* sysdeps/powerpc/pthread_spin_trylock.c: New file.
	* sysdeps/powerpc/pthreaddef.h: New file.
	* sysdeps/powerpc/tcb-offsets.sym: New file.
	* sysdeps/powerpc/td_ta_map_lwp2thr.c: New file.
	* sysdeps/powerpc/tls.h: New file.
	* sysdeps/powerpc/bits/atomic.h: New file.
	* sysdeps/unix/sysv/linux/libc-lowlevelmutex.c: New file.
	* sysdeps/unix/sysv/linux/libc-lowlevellock.c: New file.
	* sysdeps/unix/sysv/linux/lowlevellock.c: New file.
	* sysdeps/unix/sysv/linux/lowlevelmutex.c: New file.
	* sysdeps/unix/sysv/linux/sem_post.c: New file.
	* sysdeps/unix/sysv/linux/sem_timedwait.c: New file.
	* sysdeps/unix/sysv/linux/sem_trywait.c: New file.
	* sysdeps/unix/sysv/linux/sem_wait.c: New file.
	* sysdeps/unix/sysv/linux/powerpc/Makefile: New file.
	* sysdeps/unix/sysv/linux/powerpc/createthread.c: New file.
	* sysdeps/unix/sysv/linux/powerpc/fork.c: New file.
	* sysdeps/unix/sysv/linux/powerpc/lowlevellock.h: New file.
	* sysdeps/unix/sysv/linux/powerpc/pt-vfork.S: New file.
	* sysdeps/unix/sysv/linux/powerpc/pthread_once.c: New file.
	* sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h: New file.
	* sysdeps/unix/sysv/linux/powerpc/bits/semaphore.h: New file.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h: New file.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h: New file.

	* sysdeps/unix/sysv/linux/ia64/lowlevellock.c: Use __gettimeofday,
	not gettimeofday.
	* sysdeps/unix/sysv/linux/ia64/lowlevelmutex.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/sem_timedwait.c: Likewise.
	* sysdeps/unix/sysv/linux/s390/lowlevellock.c: Likewise.
	* sysdeps/unix/sysv/linux/s390/lowlevelmutex.c: Likewise.
	* sysdeps/unix/sysv/linux/s390/sem_timedwait.c: Likewise.

8 files changed, 66 insertions, 7 deletions

diff --git a/nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.c b/nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.c
index 651fb88598..1a1a2e1b23 100644
--- a/nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.c
+++ b/nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.c
@@ -29,7 +29,7 @@ lll_unlock_wake_cb (futex)
 {
   int oldval;
   int val = *futex;
-    
+
   do
     oldval = val;
   while ((val = lll_compare_and_swap (futex, oldval, 0)) != oldval);
@@ -55,7 +55,7 @@ ___lll_timedwait_tid (ptid, abstime)
     {
       /* Get current time.  */
       struct timeval tv;
-      gettimeofday (&tv, NULL);
+      __gettimeofday (&tv, NULL);
 
       /* Determine relative timeout.  */
       struct timespec rt;
diff --git a/nptl/sysdeps/unix/sysv/linux/ia64/lowlevelmutex.c b/nptl/sysdeps/unix/sysv/linux/ia64/lowlevelmutex.c
index 7ab67ca56c..bf6f5f3846 100644
--- a/nptl/sysdeps/unix/sysv/linux/ia64/lowlevelmutex.c
+++ b/nptl/sysdeps/unix/sysv/linux/ia64/lowlevelmutex.c
@@ -62,7 +62,7 @@ ___lll_mutex_timedlock (futex, abstime, newval)
     {
       /* Get the current time.  */
       struct timeval tv;
-      gettimeofday (&tv, NULL);
+      __gettimeofday (&tv, NULL);
 
       /* Compute relative timeout.  */
       struct timespec rt;
diff --git a/nptl/sysdeps/unix/sysv/linux/ia64/sem_timedwait.c b/nptl/sysdeps/unix/sysv/linux/ia64/sem_timedwait.c
index b271217c41..881e6e20f7 100644
--- a/nptl/sysdeps/unix/sysv/linux/ia64/sem_timedwait.c
+++ b/nptl/sysdeps/unix/sysv/linux/ia64/sem_timedwait.c
@@ -47,7 +47,7 @@ sem_timedwait (sem, abstime)
 
 	  /* Get the current time.  */
 	  struct timeval tv;
-	  (void) gettimeofday(&tv, NULL);
+	  (void) __gettimeofday(&tv, NULL);
 
 	  /* Compute the relative timeout.  */
 	  struct timespec rt;
diff --git a/nptl/sysdeps/unix/sysv/linux/lowlevelmutex.c b/nptl/sysdeps/unix/sysv/linux/lowlevelmutex.c
new file mode 100644
index 0000000000..7c594e3470
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/lowlevelmutex.c
@@ -0,0 +1 @@
+/* Nothing needed here in fact.  */
diff --git a/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.c b/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.c
index f98e163ae1..60c39d01b5 100644
--- a/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.c
+++ b/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.c
@@ -72,7 +72,7 @@ ___lll_timedwait_tid (ptid, abstime)
     {
       /* Get current time.  */
       struct timeval tv;
-      gettimeofday (&tv, NULL);
+      __gettimeofday (&tv, NULL);
 
       /* Determine relative timeout.  */
       struct timespec rt;
diff --git a/nptl/sysdeps/unix/sysv/linux/s390/lowlevelmutex.c b/nptl/sysdeps/unix/sysv/linux/s390/lowlevelmutex.c
index 3f1889bc77..d4d91db5ce 100644
--- a/nptl/sysdeps/unix/sysv/linux/s390/lowlevelmutex.c
+++ b/nptl/sysdeps/unix/sysv/linux/s390/lowlevelmutex.c
@@ -56,7 +56,7 @@ ___lll_mutex_timedlock (futex, abstime, newval)
     {
       /* Get the current time.  */
       struct timeval tv;
-      gettimeofday (&tv, NULL);
+      __gettimeofday (&tv, NULL);
 
       /* Compute relative timeout.  */
       struct timespec rt;
diff --git a/nptl/sysdeps/unix/sysv/linux/s390/sem_timedwait.c b/nptl/sysdeps/unix/sysv/linux/s390/sem_timedwait.c
index d2ef2ceb30..42433dec74 100644
--- a/nptl/sysdeps/unix/sysv/linux/s390/sem_timedwait.c
+++ b/nptl/sysdeps/unix/sysv/linux/s390/sem_timedwait.c
@@ -51,7 +51,7 @@ sem_timedwait (sem, abstime)
 
       /* Get the current time.  */
       struct timeval tv;
-      (void) gettimeofday (&tv, NULL);
+      (void) __gettimeofday (&tv, NULL);
 
       /* Compute the relative timeout.  */
       struct timespec rt;
diff --git a/nptl/sysdeps/unix/sysv/linux/sem_wait.c b/nptl/sysdeps/unix/sysv/linux/sem_wait.c
new file mode 100644
index 0000000000..0e50067cf6
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sem_wait.c
@@ -0,0 +1,58 @@
+/* sem_wait -- wait on a semaphore.  Generic futex-using version.
+   Copyright (C) 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003.
+
+   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 <errno.h>
+#include <sysdep.h>
+#include <lowlevellock.h>
+#include <internaltypes.h>
+#include <semaphore.h>
+
+#include <shlib-compat.h>
+
+
+int
+__new_sem_wait (sem_t *sem)
+{
+  int *futex = (int *) sem;
+  int val;
+  int err;
+
+  do
+    {
+      if (*futex > 0)
+	{
+	  val = __lll_dec_if_positive (futex);
+	  if (val > 0)
+	    return 0;
+	}
+
+      err = lll_futex_wait (futex, 0);
+    }
+  while (err == 0 || err == -EWOULDBLOCK);
+
+  __set_errno (-err);
+  return -1;
+}
+
+versioned_symbol (libpthread, __new_sem_wait, sem_wait, GLIBC_2_1);
+#if SHLIB_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_1)
+strong_alias (__new_sem_wait, __old_sem_wait)
+compat_symbol (libpthread, __old_sem_wait, sem_wait, GLIBC_2_0);
+#endif