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authorRoland McGrath <roland@gnu.org>2003-03-17 11:25:18 +0000
committerRoland McGrath <roland@gnu.org>2003-03-17 11:25:18 +0000
commitde4471dd559ab27a8927135fb5a475eaa613c437 (patch)
treee73d0843dd5e4445a09e9e0e55b9c1ce5887b058
parentf3c13160fe2f53dd4971fe9772c9c23300a287be (diff)
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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.
-rw-r--r--nptl/ChangeLog40
-rw-r--r--nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.c4
-rw-r--r--nptl/sysdeps/unix/sysv/linux/ia64/lowlevelmutex.c2
-rw-r--r--nptl/sysdeps/unix/sysv/linux/ia64/sem_timedwait.c2
-rw-r--r--nptl/sysdeps/unix/sysv/linux/lowlevelmutex.c1
-rw-r--r--nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.c2
-rw-r--r--nptl/sysdeps/unix/sysv/linux/s390/lowlevelmutex.c2
-rw-r--r--nptl/sysdeps/unix/sysv/linux/s390/sem_timedwait.c2
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sem_wait.c58
9 files changed, 106 insertions, 7 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index 03c461222a..7954468e41 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,3 +1,43 @@
+2003-03-17 Roland McGrath <roland@redhat.com>
+
+ 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.
+
2003-03-17 Ulrich Drepper <drepper@redhat.com>
* sysdeps/pthread/pthread_cond_wait.c: Correct exit criteria.
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