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Add signal implementation.
* Makefile.am (SYSDEP_PATH): Add $(srcdir)/signal.
(libpthread_a_SOURCES): Add pt-mutex-transfer-np.c, kill.c,
killpg.c, pt-kill-siginfo-np.c, raise.c, sigaction.c, sigaddset.c,
sigaltstack.c, sigdelset.c, sigemptyset.c, sigfillset.c,
sig-internal.c, sig-internal.h, siginterrupt.c, sigismember.c,
signal.c, signal-dispatch.c, signal.h, sigpending.c,
sigprocmask.c, sigsuspend.c, sigtimedwait.c, sigwait.c,
sigwaiter.c, sigwaitinfo.c, signal-dispatch-lowlevel.c, and
sigprocmask.c.
* headers.m4: Link libpthread/signal/signal.h into ../include.
* sysdeps/generic/pt-mutex-transfer-np.c: New file.
* signal/README: New file.
* signal/TODO: Likewise.
* signal/kill.c: Likewise.
* signal/pt-kill-siginfo-np.c: Likewise.
* signal/sig-internal.c: Likewise.
* signal/sig-internal.h: Likewise.
* signal/sigaction.c: Likewise.
* signal/sigaltstack.c: Likewise.
* signal/signal-dispatch.c: Likewise.
* signal/signal.h: Likewise.
* signal/sigpending.c: Likewise.
* signal/sigsuspend.c: Likewise.
* signal/sigtimedwait.c: Likewise.
* signal/sigwaiter.c: Likewise.
* signal/sigwaitinfo.c: Likewise.
* sysdeps/l4/hurd/sig-sysdep.h: Likewise.
* sysdeps/l4/hurd/sigprocmask.c: Likewise.
* sysdeps/generic/killpg.c: Likewise.
* sysdeps/generic/pt-kill.c: Likewise.
* sysdeps/generic/raise.c: Likewise.
* sysdeps/generic/sigaddset.c: Likewise.
* sysdeps/generic/sigdelset.c: Likewise.
* sysdeps/generic/sigemptyset.c: Likewise.
* sysdeps/generic/sigfillset.c: Likewise.
* sysdeps/generic/siginterrupt.c: Likewise.
* sysdeps/generic/sigismember.c: Likewise.
* sysdeps/generic/signal.c: Likewise.
* sysdeps/generic/sigwait.c: Likewise.
* sysdeps/l4/hurd/ia32/signal-dispatch-lowlevel.c: Likewise.
* sysdeps/l4/hurd/pt-sysdep.c (sigprocmask): Remove function.
* sysdeps/l4/hurd/pt-sigstate.c (__pthread_sigstate): Implement
it.
* sysdeps/l4/hurd/pt-sigstate-init.c: Include <sig-internal.h>.
(__pthread_sigstate_init): Initialize THREAD->SS.
* sysdeps/l4/hurd/pt-kill.c: Remove file.
* pthread/pt-internal.h: Include <sig-internal.h>.
(PTHREAD_SIGNAL_MEMBERS) [! PTHREAD_SIGNAL_MEMBERS]: Define.
(struct __pthread): Add PTHREAD_SIGNAL_MEMBERS.
* pthread/pt-self.c (pthread_self): Assert that SELF is not NULL.
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* Makefile.am (AM_CPPFLAGS): Add "-std=gnu99 -Wall -g -O3".
* sysdeps/l4/pt-block.c (__pthread_block): Remove unused variable
err.
* pthread/pt-join.c (pthread_join): Cast argument to
pthread_cleanup_push to avoid warning.
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* pthread/pt-internal.h (__pthread_startup): Add declaration.
* pthread/pt-create.c (entry_point): Call __pthread_startup.
* sysdeps/l4/hurd/pt-sysdep.h: Include <hurd/storage.h> and
<sys/mman.h>.
(PTHREAD_SYSDEP_MEMBERS): Add fields object,
exception_handler_stack and exception_handler_sp.
(__attribute__): Call munmap.
* sysdeps/l4/hurd/ia32/pt-setup.c (__pthread_setup): Set up
thread->exception_handler_sp. Don't set the user define handle
here.
* sysdeps/l4/hurd/pt-startup.c: New file. Do it here.
* sysdeps/l4/hurd/pt-thread-alloc.c: New file.
* sysdeps/l4/hurd/pt-thread-halt.c: New file.
* sysdeps/l4/hurd/pt-thread-start.c: New file.
* Makefile.am (libpthread_a_SOURCES): Add pt-startup.c.
* sysdeps/l4/pt-block.c: Include <hurd/stddef.h>.
(__pthread_block): Detect IPC failure. Add debugging output.
* sysdeps/l4/pt-wakeup.c: Include <hurd/stddef.h>.
(__pthread_wakeup): Detect IPC failure. Add debugging output.
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Merge changes from mainline Hurd. Update L4 bits to compile with
those changes.
* sysdeps/l4/pt-block.c (__pthread_block): Call l4_receive, not
L4_Receive.
* sysdeps/l4/pt-create-np.c (pthread_create_from_l4_tid_np): Don't
pass TID to __pthread_create_internal. Emit a warning.
* sysdeps/l4/pt-stack-alloc.c (allocate_page): Remove function.
(__pthread_stack_alloc): Don't require that STACKSIZE is equal to
__pthread_stacksize. Call mmap.
* sysdeps/l4/pt-thread-halt.c (__pthread_thread_halt): Take
additional argument, need_dealloc. Call __pthread_dealloc. Stop
the thread.
* sysdeps/l4/hurd/pt-sysdep.c (init_routine): When calling
__pthread_create_internal, don't pass the tid.
* tests/test-1.c (main): Use pthread_mutex_init, not
PTHREAD_MUTEX_INITIALIZER.
* pthread/pt-alloc.c: Don't include <bits/atomic.h>. Include
<atomic.h>.
(__pthread_free_threads): Make it an atomicptr_t, not an
__atomicptr_t.
(__pthread_alloc): Don't use __atomicptr_compare_and_swap, use
atomic_compare_and_exchange_val_acq.
* pthread/pt-create.c: Don't include <bits/atomic.h>. Include
<atomic.h>.
(__pthread_total): Make it an atomic_fast32_t, not an __atomic_t.
(__pthread_create_internal): Use atomic_increment and
atomic_decrement, not __atomic_inc and __atomic_dec.
* pthread/pt-dealloc.c: Don't include <bits/atomic.h>. Include
<atomic.h>.
(__pthread_free_threads): Make it an atomicptr_t, not an
__atomicptr_t.
(__pthread_dealloc): Use atomic_compare_and_exchange_val_acq, not
__atomicptr_compare_and_swap.
* pthread/pt-exit.c: Don't include <bits/atomic.h>. Include
<atomic.h>.
(pthread_exit): Use atomic_decrement_and_test, not
__atomic_dec_and_test.
* pthread/pt-internal.h: Don't include <bits/atomic.h>. Include
<atomic.h>.
(__pthread_total): Make it an atomic_fast32_t, not an __atomic_t.
* sysdeps/powerpc/bits/atomic.h: Remove file.
* sysdeps/ia32/bits/atomic.h: Likewise.
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* sysdeps/generic/bits/condition.h (__PTHREAD_COND_INITIALIZER):
Remove compound statement.
* pthread/pt-alloc.c (initialize_pthread): Use compound statement.
* sysdeps/generic/pt-cond-init.c (pthread_cond_init): Likewise.
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* pthread/pt-create.c (__pthread_total): Change type to uatomic32_t.
* pthread/pt-internal.h (__pthread_total): Likewise in declaration.
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* pthread/pt-internal.h: Include <atomic.h>, not <bits/atomic.h>.
(__pthread_total): Change type of declaration to uatomic_max_t.
* pthread/pt-alloc.c: Include <atomic.h>, not <bits/atomic.h>.
(__pthread_free_threads): Change type to uatomicptr_t.
(__pthread_alloc): Call atomic_compare_and_exchange_val_acq
instead of __atomicptr_compare_and_swap.
* pthread/pt-create.c: Include <atomic.h>, not <bits/atomic.h>.
(__pthread_total): Change type to uatomic_max_t.
(__pthread_create_internal): Call atomic_increment, not
__atomic_inc and atomic_decrement, not __atomic_dec.
* pthread/pt-dealloc.c: Include <atomic.h>, not <bits/atomic.h>.
(__pthread_free_threads): Declare as uatomicptr_t.
(__pthread_dealloc): Call atomic_compare_and_exchange_val_acq
instead of __atomicptr_compare_and_swap.
* pthread/pt-exit.c: Include <atomic.h>, not <bits/atomic.h>.
(pthread_exit): Call atomic_decrement_and_test instead of
__atomic_dec_and_test.
* sysdeps/l4/pt-create-np.c: Do not include <bits/atomic.h>.
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* sysdeps/generic/bits/mutex.h (__PTHREAD_MUTEX_INITIALIZER):
Remove compound statement.
(pthread_mutex_init): Use compound statement with initializer.
* pthread/pt-alloc.c (initialize_pthread): Likewise.
* sysdeps/generic/pt-mutex-init.c (_pthread_mutex_init): Likewise.
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* libpthread: New directory, populated with Neal H. Walfields
pthread implementation.
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* libpthread/include/pthread/pthread.h: Add the restrict keyword where
appropriate for full compliance.
* libpthread/pthread/pt-internal.h: Likewise.
* libpthread/sysdeps/generic/bits/mutex.h: Likewise.
* libpthread/sysdeps/generic/bits/rwlock.h: Likewise.
* libpthread/TODO: Drop that TODO item.
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2005-05-12 Neal H. Walfield <neal@gnu.org>
* include/pthread/pthread.h (pthread_exit): Add noreturn
attribute.
* sysdeps/generic/bits/condition.h (__PTHREAD_COND_INITIALIZER):
Don't create a compound literal.
* sysdeps/generic/bits/mutex.h (__PTHREAD_MUTEX_INITIALIZER):
Don't create a compound literal.
(pthread_mutex_init): Don't assign to *__MUTEX directly.
Initialize an intermediate local variable and then copy the
result.
* sysdeps/generic/bits/rwlock.h (__PTHREAD_RWLOCK_INITIALIZER):
Don't create a compound literal.
(pthread_rwlock_init): Don't assign to *__RWLOCK directly.
Initialize an intermediate local variable and then copy the
result.
* sysdeps/i386/bits/spin-lock.h (__SPIN_LOCK_INITIALIZER):
Don't create a compound literal.
* pthread/pt-alloc.c (initialize_pthread): Cast
PTHREAD_MUTEX_INITIALIZER and PTHREAD_COND_INITIALIZER to create a
compound literal.
* tests/test-1.c (main): Use pthread_mutex_init, not
PTHREAD_MUTEX_INIT for mutex initialization
* sysdeps/generic/pt-barrier-init.c (pthread_barrier_init): Remove
assert. Copy ATTR if non-defaults are used.
* sysdeps/generic/pt-cond-init.c (pthread_cond_init): Include
<string.h>. Remove assert. Copy ATTR if non-defaults are used.
* sysdeps/generic/pt-mutex-init.c (_pthread_mutex_init): Cast
PTHREAD_MUTEX_INITIALIZER to create a compound literal.
* sysdeps/generic/pt-rwlock-init.c: Include <string.h>.
(_pthread_rwlock_init): Cast __PTHREAD_RWLOCK_INITIALIZER to
create a compound literal. Copy ATTR if non-defaults are used.
* sysdeps/generic/pt-cond-timedwait.c
(__pthread_cond_timedwait_internal): Check that ABSTIME->TV_NSEC
is valid. Don't shadow ERR. Don't return before cleaning up.
* sysdeps/generic/pt-mutex-timedlock.c (pthread_mutex_timedlock):
Move after __pthread_mutex_timedlock_internal. Check that
ABSTIME->TV_NSEC is valid.
* sysdeps/generic/pt-rwlock-timedrdlock.c
(pthread_rwlock_timedrdlock): Move after.
__pthread_rwlock_timedrdlock_internal.
(__pthread_rwlock_timedrdlock_internal): Check that
ABSTIME->TV_NSEC is valid.
* sysdeps/generic/pt-rwlock-timedwrlock.c
(pthread_rwlock_timedwrlock): Move after
__pthread_rwlock_timedwrlock_internal.
(__pthread_rwlock_timedwrlock_internal): Check that
ABSTIME->TV_NSEC is valid.
* sysdeps/generic/sem-timedwait.c (__sem_timedwait_internal):
Check that TIMEOUT->TV_NSEC is valid before enqueuing the thread.
* sysdeps/generic/pt-rwlock-rdlock.c
(__pthread_rwlock_timedrdlock_internal): Fix declaration.
* sysdeps/generic/pt-mutex-trylock.c (__pthread_mutex_trylock):
Don't return EDEADLK. POSIX does not allow it.
* sysdeps/mach/pt-timedblock.c (__pthread_timedblock): Calculate
the relative timeout without overflowing.
* sysdeps/mach/hurd/i386/pt-setup.c (stack_setup): Cast THREAD.
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2005-05-04 Neal H. Walfield <neal@gnu.org>
* Makefile (SRCS): Add pt-thread_dealloc.c.
* sysdeps/mach/pt-thread-dealloc.c: New file.
* pthread/pt-internal.h (__pthread_thread_dealloc): New
declaration.
(__pthread_thread_halt): Add parameter NEED_DEALLOC. Update
callers.
* sysdeps/mach/pt-thread-halt.c (__pthread_thread_halt): Respect
new NEED_DEALLOC parameter. Move code which deallocates kernel
resources from here ...
* sysdeps/mach/pt-thread-dealloc.c (__pthread_thread_dealloc):
...to here.
* pthread/pt-create.c (__pthread_create_internal): Call
__pthread_thread_dealloc on failure.
* pthread/pt-exit.c (pthread_exit): Call __pthread_thread_dealloc.
* sysdeps/mach/pt-thread-alloc.c (create_wakeupmsg): Call
__mach_port_destroy to deallocate the receive right.
__mach_port_deallocate won't do it.
* pthread/pt-detach.c (pthread_detach): Don't call
__pthread_thread_halt a second time.
* sysdeps/mach/hurd/pt-sysdep.c (_cthread_init_routine): Fix
declaration.
(init_routine): Update declaration and remove gratuitous cast.
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2005-05-02 Neal H. Walfield <neal@gnu.org>
* pthread/pt-alloc.c (__pthread_alloc): Set the thread id to the
table index plus one.
* pthread/pt-internal.h (__pthread_getid): Index __pthread_threads
using THREAD - 1, not THREAD.
(__pthread_setid): Likewise.
* pthread/pt-create.c (__pthread_create_internal): Likewise.
* sysdeps/generic/pt-mutex-trylock.c (__pthread_mutex_trylock):
When returning EBUSY, don't forget to first unlock MUTEX->__HELD.
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* pthread/pt-create.c [HAVE_USELOCAL]: Include <locale.h>.
(entry_point) [HAVE_USELOCALE]: Initialize the thread to the
global locale.
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