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authorUlrich Drepper <drepper@redhat.com>2000-10-15 06:50:42 +0000
committerUlrich Drepper <drepper@redhat.com>2000-10-15 06:50:42 +0000
commitb15cb495054a40644197395fb6a94daa4b0e81cb (patch)
tree085712cd0a7f5e68dc291c49c6adfb9c3675dcee /linuxthreads
parent42be70d43174c6a6e80fbd25276d4eb04c6e5adf (diff)
Update.
2000-10-14 Ulrich Drepper <drepper@redhat.com> * math/libm-test.inc (frexp_test): Add L suffix also to parameters. (hypot_test): Likewise. * sysdeps/generic/printf_fphex.c: Compute width of decimal point string correctly. Handle padding correctly. * sysdeps/ia64/fpu/printf_fphex.c: Use sizeof in _itowa parameters correctly. * sysdeps/ieee754/ldbl-128/printf_fphex.c: Likewise. * sysdeps/ieee754/ldbl-96/printf_fphex.c: Likewise. 2000-10-12 Alan Modra <alan@linuxcare.com.au> * FAQ.in: Add --start-group and --end-group. 2000-10-12 Alan Modra <alan@linuxcare.com.au> * malloc/memusage.c: Conditionalize stack usage calculation on stack direction. 2000-10-12 Alan Modra <alan@linuxcare.com.au> * config.h.in: Add ASM_LINE_SEP. * configure.in: Add test for comment and line separators. * include/libc-symbols.h: Define and use ASM_LINE_SEP, and add tabs to placate some hppa assemblers. * sysdeps/hppa/sysdep.h: Likewise. * sysdeps/gnu/siglist.c: Insert \n and \t into inline asm. * sysdeps/unix/sysv/linux/errlist.c: Likewise. 2000-10-12 David Huggins-Daines <dhd@linuxcare.com> * sysdeps/unix/sysv/linux/Makefile: Include <bits/initspin> in $(sysdep_headers). * sysdeps/unix/sysv/linux/bits/initspin.h: Dummy version for non-threaded platforms. 2000-10-12 David Huggins-Daines <dhd@linuxcare.com> * configure.in: Add definitions for hppa. * elf/elf.h: Add PLABEL32 relocation for hppa ELF32, comments for IPLT and EPLT relocations. * shlib-versions: Version symbol definitions for hppa-linux. * sysdeps/unix/sysv/linux/configure.in: Define $arch_minimum_kernel for hppa. 2000-10-12 David Huggins-Daines <dhd@linuxcare.com> * sysdeps/hppa/Makefile: New file. * sysdeps/hppa/Versions: New file. * sysdeps/hppa/setjmp.S: New file. * sysdeps/hppa/__longjmp.S: New file. * sysdeps/hppa/bits/setjmp.h: New file. * sysdeps/hppa/frame.h: New file. * sysdeps/hppa/add_n.s: Don't use %r19 (linkage table pointer). * sysdeps/hppa/sub_n.s: Likewise. * sysdeps/hppa/lshift.s: Likewise. * sysdeps/hppa/rshift.s: Likewise. * sysdeps/hppa/udiv_qrnnd.s: Likewise. * sysdeps/hppa/hppa1.1/addmul_1.s: Likewise. * sysdeps/hppa/hppa1.1/submul_1.s: Likewise. * sysdeps/hppa/hppa1.1/mul_1.s: Likewise. * sysdeps/hppa/hppa1.1/udiv_qrnnd.s: Likewise. * sysdeps/hppa/dl-machine.h: New file. * sysdeps/hppa/dl-fptr.c: New file (note that this is almost identical to the IA-64 one). * sysdeps/hppa/dl-lookupcfg.h: Likewise. * sysdeps/hppa/dl-symaddr.c: Likewise. * sysdeps/hppa/elf/initfini.c: New file. * sysdeps/hppa/elf/start.S: New file. * sysdeps/hppa/fpu/bits/fenv.h: New file. * sysdeps/hppa/fpu/fclrexcpt.c: New file. * sysdeps/hppa/fpu/fedisblxcpt.c: New file. * sysdeps/hppa/fpu/feenablxcpt.c: New file. * sysdeps/hppa/fpu/fegetenv.c: New file. * sysdeps/hppa/fpu/fegetexcept.c: New file. * sysdeps/hppa/fpu/fegetround.c: New file. * sysdeps/hppa/fpu/feholdexcpt.c: New file. * sysdeps/hppa/fpu/fesetenv.c: New file. * sysdeps/hppa/fpu/fesetround.c: New file. * sysdeps/hppa/fpu/feupdateenv.c: New file. * sysdeps/hppa/fpu/fegetexcptflg.c: New file. * sysdeps/hppa/fpu/fraiseexcpt.c: New file. * sysdeps/hppa/fpu/fsetexcptflg.c: New file. * sysdeps/hppa/fpu/ftestexcept.c: New file. * sysdeps/unix/sysv/linux/hppa/Makefile: New file. * sysdeps/unix/sysv/linux/hppa/Versions: New file. * sysdeps/unix/sysv/linux/hppa/syscalls.list: New file. * sysdeps/unix/sysv/linux/hppa/sysdep.c: New file. * sysdeps/unix/sysv/linux/hppa/sysdep.h: New file. * sysdeps/unix/sysv/linux/hppa/bits/fcntl.h: New file. * sysdeps/unix/sysv/linux/hppa/bits/ioctls.h: New file. * sysdeps/unix/sysv/linux/hppa/bits/mman.h: New file. * sysdeps/unix/sysv/linux/hppa/bits/sigaction.h: New file. * sysdeps/unix/sysv/linux/hppa/bits/signum.h: New file. * sysdeps/unix/sysv/linux/hppa/brk.c: New file. * sysdeps/unix/sysv/linux/hppa/clone.S: New file. * sysdeps/unix/sysv/linux/hppa/socket.S: New file. * sysdeps/unix/sysv/linux/hppa/syscall.S: New file. * sysdeps/unix/sysv/linux/hppa/setrlimit.c: New file. * sysdeps/unix/sysv/linux/hppa/getrlimit.c: New file. * sysdeps/unix/sysv/linux/hppa/getrlimit64.c: New file. * sysdeps/unix/sysv/linux/hppa/kernel_sigaction.h: New file. * sysdeps/unix/sysv/linux/hppa/kernel_stat.h: New file. * sysdeps/unix/sysv/linux/hppa/mmap.c: New file. * sysdeps/unix/sysv/linux/hppa/profil-counter.h: New file. * sysdeps/unix/sysv/linux/hppa/procfs.h: New file. * sysdeps/unix/sysv/linux/hppa/ucontext.h: New file. * sysdeps/unix/sysv/linux/hppa/umount.c: New file. 2000-10-12 Alan Modra <alan@linuxcare.com.au> * sysdeps/hppa/hppa1.1/Implies: New file. * sysdeps/hppa/memusage.h: New file.
Diffstat (limited to 'linuxthreads')
-rw-r--r--linuxthreads/ChangeLog31
-rw-r--r--linuxthreads/oldsemaphore.c2
-rw-r--r--linuxthreads/shlib-versions1
-rw-r--r--linuxthreads/spinlock.c8
-rw-r--r--linuxthreads/spinlock.h15
-rw-r--r--linuxthreads/sysdeps/hppa/pspinlock.c81
-rw-r--r--linuxthreads/sysdeps/hppa/pt-machine.h54
-rw-r--r--linuxthreads/sysdeps/pthread/bits/initspin.h28
-rw-r--r--linuxthreads/sysdeps/pthread/bits/libc-lock.h23
-rw-r--r--linuxthreads/sysdeps/pthread/pthread.h15
-rw-r--r--linuxthreads/sysdeps/unix/sysv/linux/hppa/bits/initspin.h27
11 files changed, 256 insertions, 29 deletions
diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog
index dc0a248a6f..f863f6642a 100644
--- a/linuxthreads/ChangeLog
+++ b/linuxthreads/ChangeLog
@@ -1,3 +1,34 @@
+2000-10-12 Alan Modra <alan@linuxcare.com.au>
+
+ * sysdeps/pthread/bits/initspin.h: New file.
+ * spinlock.h: Move LOCK_INITIALIZER definition to <bits/initspin.h>.
+ (__pthread_init_lock): Initialize lock with LT_SPINLOCK_INIT.
+ (__pthread_alt_init_lock): Likewise.
+ (__pthread_alt_trylock): Release lock with LT_SPINLOCK_INIT.
+
+2000-10-12 David Huggins-Daines <dhd@linuxcare.com>
+
+ * oldsemaphore.c (__old_sem_init): Release lock with
+ LT_SPINLOCK_INIT, not zero.
+ * spinlock.c (__pthread_unlock): Likewise.
+ (__pthread_alt_lock): Likewise.
+ (__pthread_alt_timedlock): Likewise.
+ (__pthread_alt_unlock): Likewise.
+ * sysdeps/pthread/bits/libc-lock.h: Initialize locks with
+ LT_SPINLOCK_INIT if it is non-zero. Likewise for init-once flags.
+ * sysdeps/pthread/pthread.h: Include bits/initspin.h. Use
+ LT_SPINLOCK_INIT do initialize spinlocks not 0.
+
+2000-10-12 David Huggins-Daines <dhd@linuxcare.com>
+
+ * shlib-versions: Add version definitions for hppa-linux.
+
+2000-10-12 Alan Modra <alan@linuxcare.com.au>
+
+ * sysdeps/hppa/pspinlock.c: New file.
+ * sysdeps/hppa/pt-machine.h: New file.
+ * sysdeps/unix/sysv/linux/hppa/bits/initspin.h: New file.
+
2000-10-05 Jakub Jelinek <jakub@redhat.com>
* mutex.c (__pthread_mutex_destroy): Correct test of
diff --git a/linuxthreads/oldsemaphore.c b/linuxthreads/oldsemaphore.c
index 52957d9a27..b9eb20f045 100644
--- a/linuxthreads/oldsemaphore.c
+++ b/linuxthreads/oldsemaphore.c
@@ -65,7 +65,7 @@ int __old_sem_init(old_sem_t *sem, int pshared, unsigned int value)
errno = ENOSYS;
return -1;
}
- sem->sem_spinlock = 0;
+ sem->sem_spinlock = LT_SPINLOCK_INIT;
sem->sem_status = ((long)value << 1) + 1;
return 0;
}
diff --git a/linuxthreads/shlib-versions b/linuxthreads/shlib-versions
index 763639ab89..5344c6bbd7 100644
--- a/linuxthreads/shlib-versions
+++ b/linuxthreads/shlib-versions
@@ -3,4 +3,5 @@ mips.*-.*-linux.* libpthread=0 GLIBC_2.0 GLIBC_2.2
sparc64-.*-linux.* libpthread=0 GLIBC_2.2
sh.*-.*-linux.* libpthread=0 GLIBC_2.2
ia64.*-.*-linux.* libpthread=0 GLIBC_2.2
+hppa.*-.*-linux.* libpthread=0 GLIBC_2.2
.*-.*-linux.* libpthread=0
diff --git a/linuxthreads/spinlock.c b/linuxthreads/spinlock.c
index 102b1be5f7..5846c45fec 100644
--- a/linuxthreads/spinlock.c
+++ b/linuxthreads/spinlock.c
@@ -155,7 +155,7 @@ int __pthread_unlock(struct _pthread_fastlock * lock)
#if !defined HAS_COMPARE_AND_SWAP || defined TEST_FOR_COMPARE_AND_SWAP
{
WRITE_MEMORY_BARRIER();
- lock->__spinlock = 0;
+ lock->__spinlock = LT_SPINLOCK_INIT;
return 0;
}
#endif
@@ -394,7 +394,7 @@ void __pthread_alt_lock(struct _pthread_fastlock * lock,
}
WRITE_MEMORY_BARRIER();
- lock->__spinlock = 0;
+ lock->__spinlock = LT_SPINLOCK_INIT;
if (suspend_needed)
suspend (self);
@@ -468,7 +468,7 @@ int __pthread_alt_timedlock(struct _pthread_fastlock * lock,
}
WRITE_MEMORY_BARRIER();
- lock->__spinlock = 0;
+ lock->__spinlock = LT_SPINLOCK_INIT;
goto suspend;
}
#endif
@@ -649,7 +649,7 @@ void __pthread_alt_unlock(struct _pthread_fastlock *lock)
#if !defined HAS_COMPARE_AND_SWAP || defined TEST_FOR_COMPARE_AND_SWAP
{
WRITE_MEMORY_BARRIER();
- lock->__spinlock = 0;
+ lock->__spinlock = LT_SPINLOCK_INIT;
}
#endif
}
diff --git a/linuxthreads/spinlock.h b/linuxthreads/spinlock.h
index 2d3e9bf9f2..9fbeff1ad6 100644
--- a/linuxthreads/spinlock.h
+++ b/linuxthreads/spinlock.h
@@ -12,6 +12,8 @@
/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
/* GNU Library General Public License for more details. */
+#include <bits/initspin.h>
+
/* There are 2 compare and swap synchronization primitives with
different semantics:
@@ -97,7 +99,7 @@ extern int __pthread_unlock(struct _pthread_fastlock *lock);
static inline void __pthread_init_lock(struct _pthread_fastlock * lock)
{
lock->__status = 0;
- lock->__spinlock = 0;
+ lock->__spinlock = LT_SPINLOCK_INIT;
}
static inline int __pthread_trylock (struct _pthread_fastlock * lock)
@@ -139,7 +141,7 @@ extern void __pthread_alt_unlock(struct _pthread_fastlock *lock);
static inline void __pthread_alt_init_lock(struct _pthread_fastlock * lock)
{
lock->__status = 0;
- lock->__spinlock = 0;
+ lock->__spinlock = LT_SPINLOCK_INIT;
}
static inline int __pthread_alt_trylock (struct _pthread_fastlock * lock)
@@ -163,7 +165,7 @@ static inline int __pthread_alt_trylock (struct _pthread_fastlock * lock)
WRITE_MEMORY_BARRIER();
res = 0;
}
- lock->__spinlock = 0;
+ lock->__spinlock = LT_SPINLOCK_INIT;
}
return res;
}
@@ -178,11 +180,6 @@ static inline int __pthread_alt_trylock (struct _pthread_fastlock * lock)
#endif
}
-/* Initializers for both lock variants */
-
-#define LOCK_INITIALIZER {0, 0}
-#define ALT_LOCK_INITIALIZER {0, 0}
-
/* Operations on pthread_atomic, which is defined in internals.h */
static inline long atomic_increment(struct pthread_atomic *pa)
@@ -208,8 +205,6 @@ static inline long atomic_decrement(struct pthread_atomic *pa)
return oldval;
}
-#define ATOMIC_INITIALIZER { 0, 0 }
-
static inline void
__pthread_set_own_extricate_if (pthread_descr self, pthread_extricate_if *peif)
diff --git a/linuxthreads/sysdeps/hppa/pspinlock.c b/linuxthreads/sysdeps/hppa/pspinlock.c
new file mode 100644
index 0000000000..1b1511fba8
--- /dev/null
+++ b/linuxthreads/sysdeps/hppa/pspinlock.c
@@ -0,0 +1,81 @@
+/* POSIX spinlock implementation. hppa version.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <errno.h>
+#include <pthread.h>
+
+
+int
+__pthread_spin_lock (pthread_spinlock_t *lock)
+{
+ unsigned int val;
+
+ do
+ asm volatile ("ldcw %1,%0"
+ : "=r" (val), "=m" (*lock)
+ : "m" (*lock));
+ while (!val);
+
+ return 0;
+}
+weak_alias (__pthread_spin_lock, pthread_spin_lock)
+
+
+int
+__pthread_spin_trylock (pthread_spinlock_t *lock)
+{
+ unsigned int val;
+
+ asm volatile ("ldcw %1,%0"
+ : "=r" (val), "=m" (*lock)
+ : "m" (*lock));
+
+ return val ? 0 : EBUSY;
+}
+weak_alias (__pthread_spin_trylock, pthread_spin_trylock)
+
+
+int
+__pthread_spin_unlock (pthread_spinlock_t *lock)
+{
+ *lock = 1;
+ return 0;
+}
+weak_alias (__pthread_spin_unlock, pthread_spin_unlock)
+
+
+int
+__pthread_spin_init (pthread_spinlock_t *lock, int pshared)
+{
+ /* We can ignore the `pshared' parameter. Since we are busy-waiting
+ all processes which can access the memory location `lock' points
+ to can use the spinlock. */
+ *lock = 1;
+ return 0;
+}
+weak_alias (__pthread_spin_init, pthread_spin_init)
+
+
+int
+__pthread_spin_destroy (pthread_spinlock_t *lock)
+{
+ /* Nothing to do. */
+ return 0;
+}
+weak_alias (__pthread_spin_destroy, pthread_spin_destroy)
diff --git a/linuxthreads/sysdeps/hppa/pt-machine.h b/linuxthreads/sysdeps/hppa/pt-machine.h
new file mode 100644
index 0000000000..bc0d2d655f
--- /dev/null
+++ b/linuxthreads/sysdeps/hppa/pt-machine.h
@@ -0,0 +1,54 @@
+/* Machine-dependent pthreads configuration and inline functions.
+ hppa version.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson <rth@tamu.edu>.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <bits/initspin.h>
+
+#ifndef PT_EI
+# define PT_EI extern inline
+#endif
+
+/* Get some notion of the current stack. Need not be exactly the top
+ of the stack, just something somewhere in the current frame. */
+#define CURRENT_STACK_FRAME stack_pointer
+register char * stack_pointer __asm__ ("%r30");
+
+
+/* The hppa only has one atomic read and modify memory operation,
+ load and clear, so hppa spinlocks must use zero to signify that
+ someone is holding the lock. */
+
+#define xstr(s) str(s)
+#define str(s) #s
+/* Spinlock implementation; required. */
+PT_EI int
+testandset (int *spinlock)
+{
+ int ret;
+
+ __asm__ __volatile__(
+ "ldcw 0(%2),%0"
+ : "=r"(ret), "=m"(*spinlock)
+ : "r"(spinlock));
+
+ return ret == 0;
+}
+#undef str
+#undef xstr
diff --git a/linuxthreads/sysdeps/pthread/bits/initspin.h b/linuxthreads/sysdeps/pthread/bits/initspin.h
new file mode 100644
index 0000000000..050983c4c1
--- /dev/null
+++ b/linuxthreads/sysdeps/pthread/bits/initspin.h
@@ -0,0 +1,28 @@
+/* Generic definitions for spinlock initializers.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* Initial value of a spinlock. Most platforms should use zero,
+ unless they only implement a "test and clear" operation instead of
+ the usual "test and set". */
+#define LT_SPINLOCK_INIT 0
+
+/* Macros for lock initializers, using the above definition. */
+#define LOCK_INITIALIZER { 0, LT_SPINLOCK_INIT }
+#define ALT_LOCK_INITIALIZER { 0, LT_SPINLOCK_INIT }
+#define ATOMIC_INITIALIZER { 0, LT_SPINLOCK_INIT }
diff --git a/linuxthreads/sysdeps/pthread/bits/libc-lock.h b/linuxthreads/sysdeps/pthread/bits/libc-lock.h
index d0e9a8d9b4..41bca4de3f 100644
--- a/linuxthreads/sysdeps/pthread/bits/libc-lock.h
+++ b/linuxthreads/sysdeps/pthread/bits/libc-lock.h
@@ -48,12 +48,21 @@ typedef pthread_key_t __libc_key_t;
/* Define an initialized lock variable NAME with storage class CLASS.
- For the C library we take a deeper look at the initializer. For this
- implementation all fields are initialized to zero. Therefore we
- don't initialize the variable which allows putting it into the BSS
- section. */
-#define __libc_lock_define_initialized(CLASS,NAME) \
+ For the C library we take a deeper look at the initializer. For
+ this implementation all fields are initialized to zero. Therefore
+ we don't initialize the variable which allows putting it into the
+ BSS section. (Except on PA-RISC and other odd architectures, where
+ initialized locks must be set to one due to the lack of normal
+ atomic operations.) */
+
+#if LT_SPINLOCK_INIT == 0
+# define __libc_lock_define_initialized(CLASS,NAME) \
CLASS __libc_lock_t NAME;
+#else
+# define __libc_lock_define_initialized(CLASS,NAME) \
+ CLASS __libc_lock_t NAME = PTHREAD_MUTEX_INITIALIZER;
+#endif
+
#define __libc_rwlock_define_initialized(CLASS,NAME) \
CLASS __libc_rwlock_t NAME = PTHREAD_RWLOCK_INITIALIZER;
@@ -143,9 +152,9 @@ typedef pthread_key_t __libc_key_t;
do { \
if (__pthread_once != NULL) \
__pthread_once (&(ONCE_CONTROL), (INIT_FUNCTION)); \
- else if ((ONCE_CONTROL) == 0) { \
+ else if ((ONCE_CONTROL) == PTHREAD_ONCE_INIT) { \
INIT_FUNCTION (); \
- (ONCE_CONTROL) = 1; \
+ (ONCE_CONTROL) = !PTHREAD_ONCE_INIT; \
} \
} while (0)
diff --git a/linuxthreads/sysdeps/pthread/pthread.h b/linuxthreads/sysdeps/pthread/pthread.h
index f2a742e57e..45be6cf2b8 100644
--- a/linuxthreads/sysdeps/pthread/pthread.h
+++ b/linuxthreads/sysdeps/pthread/pthread.h
@@ -23,6 +23,7 @@
#define __need_sigset_t
#include <signal.h>
#include <bits/pthreadtypes.h>
+#include <bits/initspin.h>
__BEGIN_DECLS
@@ -30,26 +31,26 @@ __BEGIN_DECLS
/* Initializers. */
#define PTHREAD_MUTEX_INITIALIZER \
- {0, 0, 0, PTHREAD_MUTEX_TIMED_NP, {0, 0}}
+ {0, 0, 0, PTHREAD_MUTEX_TIMED_NP, LOCK_INITIALIZER}
#ifdef __USE_GNU
# define PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP \
- {0, 0, 0, PTHREAD_MUTEX_RECURSIVE_NP, {0, 0}}
+ {0, 0, 0, PTHREAD_MUTEX_RECURSIVE_NP, LOCK_INITIALIZER}
# define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP \
- {0, 0, 0, PTHREAD_MUTEX_ERRORCHECK_NP, {0, 0}}
+ {0, 0, 0, PTHREAD_MUTEX_ERRORCHECK_NP, LOCK_INITIALIZER}
# define PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP \
- {0, 0, 0, PTHREAD_MUTEX_ADAPTIVE_NP, {0, 0}}
+ {0, 0, 0, PTHREAD_MUTEX_ADAPTIVE_NP, LOCK_INITIALIZER}
#endif
-#define PTHREAD_COND_INITIALIZER {{0, 0}, 0}
+#define PTHREAD_COND_INITIALIZER {LOCK_INITIALIZER, 0}
#ifdef __USE_UNIX98
# define PTHREAD_RWLOCK_INITIALIZER \
- { {0, 0}, 0, NULL, NULL, NULL, \
+ { LOCK_INITIALIZER, 0, NULL, NULL, NULL, \
PTHREAD_RWLOCK_DEFAULT_NP, PTHREAD_PROCESS_PRIVATE }
#endif
#ifdef __USE_GNU
# define PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP \
- { {0, 0}, 0, NULL, NULL, NULL, \
+ { LOCK_INITIALIZER, 0, NULL, NULL, NULL, \
PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP, PTHREAD_PROCESS_PRIVATE }
#endif
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/hppa/bits/initspin.h b/linuxthreads/sysdeps/unix/sysv/linux/hppa/bits/initspin.h
new file mode 100644
index 0000000000..bb8d326348
--- /dev/null
+++ b/linuxthreads/sysdeps/unix/sysv/linux/hppa/bits/initspin.h
@@ -0,0 +1,27 @@
+/* PA-RISC specific definitions for spinlock initializers.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* Initial value of a spinlock. PA-RISC only implements atomic load
+ and clear so this must be non-zero. */
+#define LT_SPINLOCK_INIT 1
+
+/* Macros for lock initializers, using the above definition. */
+#define LOCK_INITIALIZER { 0, LT_SPINLOCK_INIT }
+#define ALT_LOCK_INITIALIZER { 0, LT_SPINLOCK_INIT }
+#define ATOMIC_INITIALIZER { 0, LT_SPINLOCK_INIT }