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authorUlrich Drepper <drepper@redhat.com>2003-05-30 03:20:29 +0000
committerUlrich Drepper <drepper@redhat.com>2003-05-30 03:20:29 +0000
commit284bdc42e866adf2d5eafd83ab471735350e2356 (patch)
tree89b662e24a1eb5983d6275c76828813ab40e830d /nptl
parente7c5ac68ed5516057945fab1ff360ebcb832b224 (diff)
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Update.
2003-05-30 Jakub Jelinek <jakub@redhat.com> * sysdeps/powerpc/powerpc32/elf/start.S: Make code compilable with SHARED.
Diffstat (limited to 'nptl')
-rw-r--r--nptl/ChangeLog11
-rw-r--r--nptl/sysdeps/unix/sysv/linux/s390/bits/pthreadtypes.h1
-rw-r--r--nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h25
3 files changed, 36 insertions, 1 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index 1515637..0d0573c 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -3,6 +3,17 @@
* sysdeps/unix/sysv/linux/ia64/lowlevellock.h (lll_futex_requeue):
Find break parameter in correct asm argument.
+2003-05-27 Jakub Jelinek <jakub@redhat.com>
+
+ * sysdeps/unix/sysv/linux/ia64/lowlevellock.h (lll_futex_clobbers):
+ Remove out4.
+ (lll_futex_requeue): Fix __o3 constraint, return negative errno if
+ error occured.
+ * sysdeps/unix/sysv/linux/s390/bits/pthreadtypes.h (pthread_cond_t):
+ Add __mutex.
+ * sysdeps/unix/sysv/linux/s390/lowlevellock.h (FUTEX_REQUEUE,
+ lll_futex_requeue, lll_mutex_unlock_force): Define.
+
2003-05-30 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h
diff --git a/nptl/sysdeps/unix/sysv/linux/s390/bits/pthreadtypes.h b/nptl/sysdeps/unix/sysv/linux/s390/bits/pthreadtypes.h
index 3ebaeb9..855af4d 100644
--- a/nptl/sysdeps/unix/sysv/linux/s390/bits/pthreadtypes.h
+++ b/nptl/sysdeps/unix/sysv/linux/s390/bits/pthreadtypes.h
@@ -92,6 +92,7 @@ typedef union
unsigned long long int __total_seq;
unsigned long long int __wakeup_seq;
unsigned long long int __woken_seq;
+ void *__mutex;
} __data;
char __size[__SIZEOF_PTHREAD_COND_T];
long long int __align;
diff --git a/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h
index 0846503..62a06b5 100644
--- a/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h
+++ b/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h
@@ -27,6 +27,7 @@
#define SYS_futex 238
#define FUTEX_WAIT 0
#define FUTEX_WAKE 1
+#define FUTEX_REQUEUE 3
/* Initializer for compatibility lock. */
#define LLL_MUTEX_LOCK_INITIALIZER (0)
@@ -80,6 +81,24 @@
})
+#define lll_futex_requeue(futex, nr_wake, nr_move, mutex) \
+ ({ \
+ register unsigned long int __r2 asm ("2") = (unsigned long int) (futex); \
+ register unsigned long int __r3 asm ("3") = FUTEX_REQUEUE; \
+ register unsigned long int __r4 asm ("4") = (long int) (nr_wake); \
+ register unsigned long int __r5 asm ("5") = (long int) (nr_move); \
+ register unsigned long int __r6 asm ("6") = (unsigned long int) (mutex); \
+ register unsigned long __result asm ("2"); \
+ \
+ __asm __volatile ("svc %b1" \
+ : "=d" (__result) \
+ : "i" (SYS_futex), "0" (__r2), "d" (__r3), \
+ "d" (__r4), "d" (__r5), "d" (__r6) \
+ : "cc", "memory" ); \
+ __result; \
+ })
+
+
#define lll_compare_and_swap(futex, oldval, newval, operation) \
do { \
__typeof (futex) __futex = (futex); \
@@ -157,7 +176,11 @@ __lll_mutex_unlock (int *futex)
if (oldval > 1)
lll_futex_wake (futex, 1);
}
-#define lll_mutex_unlock(futex) __lll_mutex_unlock(&(futex))
+#define lll_mutex_unlock(futex) \
+ __lll_mutex_unlock(&(futex))
+
+#define lll_mutex_unlock_force(futex) \
+ lll_futex_wake (&(futex), 1)
#define lll_mutex_islocked(futex) \
(futex != 0)