path: root/nptl/ChangeLog

2002-12-07  Ulrich Drepper  <drepper@redhat.com>

	* Makefile (CFLAGS-ftrylockfile.c): Add -D_IO_MTSAFE_IO.

	* cleanup.c: Move declarations of _GI_pthread_cleanup_push and
	_GI_pthread_cleanup_pop to pthreadP.h.

	* ftrylockfile.c: Use _IO_lock_trylock instead of
	pthread_mutex_trylock.

	* pthreadP.h (CANCEL_ASYNC): Use __pthread_setcanceltype.
	(CANCEL_RESET): Likewise.
	(__pthread_setcanceltype_): Declare.
	(__pthread_mutex_lock_internal): Declare.
	(__pthread_mutex_unlock_internal): Declare.
	(__pthread_once_internal): Declare.
	(pthread_cleanup_push): Redefine using _GI_pthread_cleanup_push.
	(pthread_cleanup_pop): Redefine using _GI_pthread_cleanup_pop.

	* pthread_cond_timedwait.c: Use INTUSE is calls to pthread_mutex_lock
	and pthread_mutex_unlock.
	* pthread_cond_wait.c: Likewise.
	* pthread_mutex_lock.c: Use INTDEF to define alias if needed.
	* pthread_mutex_unlock.c: Likewise.

	* pthread_setcanceltype.c: Add additional alias
	__pthread_setcanceltype.

	* sem_unlink.c (sem_unlink): Use __pthread_once with INTDEF.
	* sem_open.c (sem_open): Likewise.
	Use __libc_open, __libc_write, and __libc_close instead of
	open, write, and close respectively.

	* sysdeps/pthread/bits/libc-lock.h (__libc_lock_trylock_internal):
	Rewrite as statement expression since it must return a value.

	* pthread_cancel.c: Use __pthread_kill instead of pthread_kill.
	* sysdeps/unix/sysv/linux/pthread_kill.c: Define additional alias
	__pthread_kill.

	* sysdeps/unix/sysv/linux/i386/pthread_once.S: Define additional
	alias __pthread_once_internal.

	* sysdeps/unix/sysv/linux/raise.c: Use libc_hidden_def for raise.

2002-12-06  Ulrich Drepper  <drepper@redhat.com>

	* Makefile (tests): Add tst-stdio1 and tst-stdio2.
	* tst-stdio1.c: New file.
	* tst-stdio2.c: New file.

	* init.c (__pthread_initialize_minimal): Correct INIT_LIST_HEAD use.

	* Makefile (tests): Comment out tst-locale2 for now.
	(CFLAGS-flockfile.c, CFLAGS-funlockfile.c): Define to -D_IO_MTSAFE_IO.

	* sysdeps/unix/sysv/linux/Makefile: Define CFLAGS-fork.c to
	-D_IO_MTSAFE_IO.
	* sysdeps/unix/sysv/linux/fork.c: Include <bits/stdio-lock.h>.
	Use _IO_lock_init instead of explicit assignment.

	* sysdeps/pthread/bits/libc-lock.h: Define __rtld_lock_* macros.
	Define __libc_lock_* and __libc_lock_recursive macros with
	lowlevellock macros, not pthread mutexes.

	* flockfile.c: Include <bits/stdio-lock.h>.  Use _IO_lock_lock instead
	of pthread_mutex_lock.
	* funlockfile.c: Include <bits/stdio-lock.h>.  Use _IO_lock_unlock
	instead of pthread_mutex_unlock.

2002-12-06  Roland McGrath  <roland@redhat.com>

	* allocatestack.c (__stack_user): Use uninitialized defn.
	* init.c (__pthread_initialize_minimal): Initialize it here.

2002-12-05  Roland McGrath  <roland@redhat.com>

	* sysdeps/i386/tls.h (TLS_INIT_TP): Make it return zero or an error
	string.
	* sysdeps/x86_64/tls.h (TLS_INIT_TP): Likewise.

	* sysdeps/unix/sysv/linux/i386/createthread.c (create_thread): Add
	missing & here too.

2002-12-05  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Remove
	lowlevellock.
	* sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S: New file.
	* sysdeps/unix/sysv/linux/i386/i586/libc-lowlevellock.S: New file.
	* sysdeps/unix/sysv/linux/i386/i686/libc-lowlevellock.S: New file.
	* sysdeps/pthread/bits/libc-lock.h: Use lowlevellock implementation
	for __libc_lock_* macros.
	* Makefile (routines): Add libc-lowlevellock.

2002-10-09  Roland McGrath  <roland@redhat.com>

	* sysdeps/pthread/bits/libc-lock.h (__libc_maybe_call): New macro.
	Under [__PIC__], call the function via the pointer fetched for
	comparison rather than a call by name that uses the PLT.
	(__libc_lock_init, __libc_rwlock_init, __libc_lock_fini)
	(__libc_rwlock_fini, __libc_lock_lock, __libc_rwlock_rdlock)
	(__libc_rwlock_wrlock, __libc_lock_trylock, __libc_rwlock_tryrdlock)
	(__libc_rwlock_trywrlock, __libc_lock_unlock, __libc_rwlock_unlock)
	(__libc_key_create, __libc_getspecific, __libc_setspecific): Use it.

2002-12-04  Roland McGrath  <roland@redhat.com>

	* forward.c (pthread_self): Use FORWARD3 macro to correct return type.

	* sysdeps/i386/td_ta_map_lwp2thr.c: Moved from ../nptl_db.
	* sysdeps/generic/td_ta_map_lwp2thr.c: New file.

	* pthread_create.c (start_thread): Add missing & on __nptl_last_event.

2002-12-04  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/linux/i386/bits/pthreadtypes.h: Make pthread_t
	a completely opaque, non-integer type.
	* sysdeps/unix/sysv/linux/x86_64/bits/pthreadtypes.h: Likewise.

2002-12-05  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/i386/tls.h: Include stdlib.h.
	* sysdeps/x86_64/tls.h: Likewise.

2002-12-04  Ulrich Drepper  <drepper@redhat.com>

	* Makefile (tests): Add tst-locale2.
	(tests-static): Likewise.
	* tst-locale2.c: New file.

	* sysdeps/unix/sysv/linux/i386/lowlevellock.h: Mark asms as
	volatile and add memory clobbers to lock operations.

2002-12-03  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/i386/i686/bits/atomic.h: Use i486 version.
	* sysdeps/i386/i486/bits/atomic.h: New file.
	* sysdeps/i386/i586/bits/atomic.h: New file.
	* sysdeps/i386/i686/pthread_spin_trylock.S: Define HAVE_CMOV and
	include i486 version.
	* sysdeps/i386/i486/pthread_spin_trylock.S: New file.
	* sysdeps/i386/i586/pthread_spin_trylock.S: New file.
	Patch by Marjin Ros <marjin@mad.scientist.com>.

	* allocatestack.c (get_cached_stack): Don't crash if we first
	found a stack with a larger size then needed.
	Reported by Hui Huang <hui.huang@sun.com>.

	* Makefile (tests): Add tst-sysconf.
	* tst-sysconf.c: New file.

	* sysdeps/unix/sysv/linux/bits/local_lim.h: Undefine
	PTHREAD_THREADS_MAX.

2002-12-02  Roland McGrath  <roland@redhat.com>

	* pthreadP.h (__stack_user, __nptl_create_event, __nptl_death_event):
	Declare using hidden_proto instead of attribute_hidden, so there are
	non-.hidden static symbols for gdb to find.
	(__pthread_keys): Likewise.
	* events.c (__nptl_create_event, __nptl_death_event): Add hidden_def.
	* allocatestack.c (__stack_user): Likewise.
	* pthread_create.c (__pthread_keys): Likewise.
	(__nptl_threads_events, __nptl_last_event): Make these static instead
	of hidden.
	* pthread_key_create.c (__pthread_pthread_keys_max,
	__pthread_pthread_key_2ndlevel_size): Renamed from __linuxthreads_*.

2002-12-02  Ulrich Drepper  <drepper@redhat.com>

	* Makefile (tests): Add tst-locale1.  If buid-static is yes link
	statically.
	* tst-locale1.c: New file.

	* pthread_cond_timedwait.c: Include <stdlib.h>.

	* Makefile (tests): Add tst-fork2 and tst-fork3.
	* tst-fork2.c: New file.
	* tst-fork3.c: New file.

2002-11-28  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/linux/i386/bits/posix_opt.h: New file.

	* sysdeps/unix/sysv/linux/bits/posix_opt.h: Define macros which
	require it to 200112L.

	* sysdeps/unix/sysv/linux/i386/i486/lowlevelrwlock.S: Use cmov
	instruction only if HAVE_CMOV is defined.
	* sysdeps/unix/sysv/linux/i386/i686/lowlevelrwlock.S: Define HAVE_CMOV.

	* sysdeps/unix/sysv/linux/x86_64/bits/semaphore.h: New file.

	* sysdeps/unix/sysv/linux/x86_64/pthread_once.S: New file.

	* sysdeps/unix/sysv/linux/x86_64/bits/pthreadtypes.h: New file.

	* sysdeps/unix/sysv/linux/x86_64/pt-vfork.S: New file.

2002-11-27  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/x86_64/bits/atomic.h: New file.

	* sysdeps/i386/i686/bits/atomic.h: Fix asm syntax for 8- and
	16-bit operations.

	* sysdeps/unix/sysv/linux/raise.c (raise): Use INTERNAL_SYSCALL if
	possible since gettid cannot fail.

	* sysdeps/x86_64/pthreaddef.h: New file.

	* sysdeps/i386/pthreaddef.h (gettid): Removed.

	* sysdeps/x86_64/pthread_spin_init.c: New file.
	* sysdeps/x86_64/pthread_spin_lock.c: New file.
	* sysdeps/x86_64/pthread_spin_trylock.c: New file.
	* sysdeps/x86_64/pthread_spin_unlock.c: New file.

	* sysdeps/i386/i686/pthread_spin_trylock.S (pthread_spin_trylock):
	Add missing lock prefix.  Minute optimization.

	* tst-spin2.c (main): Also check successful trylock call.

	* sysdeps/pthread/pthread_sigmask.c (pthread_sigmask): Use correct
	syscall.  Fix typo in case INTERNAL_SYSCALL is not used.

	* sysdeps/i386/pthread_spin_destroy.c: Moved to...
	* sysdeps/pthread/pthread_spin_destroy.c: ...here.  New file.

	* sysdeps/i386/pthread_sigmask.c: Removed.  Use the generic code.
	* sysdeps/pthread/pthread_sigmask.c (pthread_sigmask): Return correct
	value in case of an error.  Add support for INTERNAL_SYSCALL.

	* sysdeps/i386/pthread_sigmask.c (pthread_sigmask): Return correct
	value in case of an error.

	* sysdeps/x86_64/tls.h: New file.

2002-11-26  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/i386/tls.h (THREAD_GETMEM_NC): Change interface.  It now
	takes the array member name and the index as parameters.
	(THREAD_SETMEM_NC): Likewise.
	* pthread_getspecific.c: Use new THREAD_GETMEM_NC interface.
	* pthread_setspecific.c: Use new THREAD_GETMEM_NC and THREAD_SETMEM_NC
	interfaces.

	* sysdeps/i386/tls.h (THREAD_SETMEM): Use size of member element
	to decide which code to use.
	(THREAD_SETMEM_NC): Likewise.

	* allocatestack.c (queue_stack): Don't remove stack from list here.
	Do it in the caller.  Correct condition to prematurely terminate
	loop to free stacks.
	(__deallocate_stack): Remove stack from list here.

2002-11-26  Ulrich Drepper  <drepper@redhat.com>

	* Makefile (tests): Add tst-stack1.
	* tst-stack1.c: New file.

	* allocatestack.c (allocate_stack): Initialize the TCB on a user
	provided stack.

	* pthread_attr_getstack.c: Return bottom of the thread area.

2002-11-25  Ulrich Drepper  <drepper@redhat.com>

	* Makefile (libpthread-routines): Add pt-allocrtsig and
	pthread_kill_other_threads.
	* pt-allocrtsig.c: New file.
	* pthread_kill_other_threads.c: New file.
	* sysdeps/unix/sysv/linux/allocrtsig.c: Add additional aliases for
	all three functions.
	* sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Remove
	allocrtsig.
	* sysdeps/unix/sysv/linux/Versions (libc:GLIBC_PRIVATE): Export
	__libc_current_sigrtmin_private, __libc_current_sigrtmax_private,
	and __libc_allocate_rtsig_private.
	* Versions (libpthread): Export pthread_kill_other_threads_np,
	__libc_current_sigrtmin, and __libc_current_sigrtmax.

2002-11-24  Ulrich Drepper  <drepper@redhat.com>

	* allocatestack.c (allocate_stack): stackaddr in attribute points to
	the end of the stack.  Adjust computations.
	When mprotect call fails dequeue stack and free it.
	* pthread_attr_setstack.c: Store top of the stack in stackaddr
	attribute.
	* pthread_getattr_np.c: Likewise.

	* descr.h (IS_DETACHED): Add some more parenthesis to prevent
	surprises.

2002-11-23  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/pthread/pthread.h (pthread_self): __THROW must come before
	attribute definitions.  Patch by Luca Barbieri <ldb@ldb.ods.org>.

2002-11-22  Ulrich Drepper  <drepper@redhat.com>

	* pthread_getspecific.c: Optimize access to first 2nd-level array.
	* pthread_setspecific.c: Likewise.

2002-11-21  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/linux/i386/createthread.c: Remove CLONE_ flags
	definitions.  Get them from the official place.
	* sysdeps/unix/sysv/linux/i386/fork.c: Likewise.

	* sysdeps/unix/sysv/linux/i386/createthread.c: Update CLONE_* flags.
	Use new CLONE_ flags in clone() calls.

	* sysdeps/unix/sysv/linux/fork.c: Use ARCH_FORK to actually fork.
	* sysdeps/unix/sysv/linux/i386/fork.c: New file.

	* Versions: Add pthread_* functions for libc.
	* forward.c: New file.

	* sysdeps/pthread/Makefile (libpthread-sysdeps_routines): Add
	errno-loc.
	* herrno.c: New file.
	* res.c: New file.

	* Makefile (libpthread-routines): Remove sem_post, sem_wait,
	sem_trywait, and sem_timedwait.  Add herrno and res.
	* sem_init.c: Don't initialize lock and waiters members.
	* sem_open.c: Likewise.
	* sem_post.c: Removed.
	* sem_wait.c: Removed.
	* sem_trywait.c: Removed.
	* sem_timedwait.c: Removed.
	* sysdeps/unix/sysv/linux/i386/i486/lowlevelsem.S: Complete rewrite.
	Includes full implementations of sem_post, sem_wait, sem_trywait,
	and sem_timedwait.
	* sysdeps/unix/sysv/linux/i386/lowlevelsem.h (lll_sem_post): Adjust
	for new implementation.
	* sysdeps/unix/sysv/linux/internaltypes.h (struct sem): Remove lock
	and waiters fields.

	* tst-sem3.c: Improve error message.
	* tst-signal3.c: Likewise.

	* init.c (__pthread_initialize_minimal): Use set_tid_address syscall
	to tell the kernel about the termination futex and to initialize tid
	member.  Don't initialize main_thread.
	* descr.h (struct pthread): Remove main_thread member.
	* cancelllation.c (__do_cancel): Remove code handling main thread.
	The main thread is not special anymore.

	* allocatestack.c (__reclaim_stacks): Mark stacks as unused.  Add
	size of the stacks to stack_cache_actsize.

	* pt-readv.c: Add missing "defined".
	* pt-sigwait.c: Likewise.
	* pt-writev.c: Likewise.

2002-11-09  Ulrich Drepper  <drepper@redhat.com>

	* Versions: Export __connect from libpthread.
	Patch by Luca Barbieri <ldb@ldb.ods.org>.

	* Makefile (libpthread-routines): Add pt-raise.
	* sysdeps/unix/sysv/linux/raise.c: New file.
	* sysdeps/unix/sysv/linux/pt-raise.c: New file.
	* sysdeps/generic/pt-raise.c: New file.

	* pthread_cond_init.c: Initialize all data elements of the condvar
	structure.  Patch by Luca Barbieri <ldb@ldb.ods.org>.

	* pthread_attr_init.c: Actually implement 2.0 compatibility version.
	* pthread_create.c: Likewise.

	* Makefile (tests): Add tst-key1, tst-key2, tst-key3.
	* tst-key1.c: New file.
	* tst-key2.c: New file.
	* tst-key3.c: New file.

	* Versions: Export pthread_detach for version GLIBC_2.0.
	Reported by Saurabh Desai <sdesai@austin.ibm.com>.

2002-11-08  Ulrich Drepper  <drepper@redhat.com>

	* pthread_key_create.c: Terminate search after an unused key was found.
	Patch by Luca Barbieri <ldb@ldb.ods.org>.

	* sysdeps/unix/sysv/linux/i386/pthread_once.S: Return zero.
	Patch by Luca Barbieri <ldb@ldb.ods.org>.

2002-10-10  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/linux/i386/i486/lowlevelsem.S: Use slow generic
	dynamic lookup for errno in PIC.

	* allocatestack.c (get_cached_stack): Rearrange code slightly to
	release the stack lock as soon as possible.
	Call _dl_allocate_tls_init for TCB from the cache to re-initialize
	the static TLS block.
	(allocate_stack): Call _dl_allocate_tls_init for user-provided stack.

	* cancellation.c: Renamed from cancelation.c.
	* Makefile: Adjust accordingly.
	* pthreadP.h (CANCELLATION_P): Renamed from CANCELATION_P.
	* cleanup_defer.c: Use CANCELLATION_P.
	* pthread_testcancel.c: Likewise.
	* descr.h: Fix spelling in comments.
	* init.c: Likewise.
	* pthread_getattr_np.c: Likewise.
	* pthread_getschedparam.c: Likewise.
	* pthread_setschedparam.c: Likewise.
	* Versions: Likewise.

	* pt-pselect.c: New file.
	* Makefile (libpthread-routines): Add pt-pselect.
	* Versions: Add pselect.

	* tst-cancel4.c: New file.
	* Makefile (tests): Add tst-cancel4.

2002-10-09  Ulrich Drepper  <drepper@redhat.com>

	* pthread_mutex_lock.c: Always record lock ownership.
	* pthread_mutex_timedlock.c: Likewise.
	* pthread_mutex_trylock.c: Likewise.

	* pt-readv.c: New file.
	* pt-writev.c: New file.
	* pt-creat.c: New file.
	* pt-msgrcv.c: New file.
	* pt-msgsnd.c: New file.
	* pt-poll.c: New file.
	* pt-select.c: New file.
	* pt-sigpause.c: New file.
	* pt-sigsuspend.c: New file.
	* pt-sigwait.c: New file.
	* pt-sigwaitinfo.c: New file.
	* pt-waitid.c: New file.
	* Makefile (libpthread-routines): Add pt-readv, pt-writev, pt-creat,
	pt-msgrcv, pt-msgsnd, pt-poll, pt-select, pt-sigpause, pt-sigsuspend,
	pt-sigwait, pt-sigwaitinfo, and pt-waitid.
	* Versions: Add all the new functions.

	* tst-exit1.c: New file.
	* Makefile (tests): Add tst-exit1.

	* sem_timedwait.c: Minor optimization for more optimal fastpath.

2002-10-08  Ulrich Drepper  <drepper@redhat.com>

	* pt-fcntl.c: Only enable asynchronous cancellation for F_SETLKW.

	* pthread_join.c: Enable asynchronous cancellation around lll_wait_tid
	call.  pthread_join is an official cancellation point.
	* pthread_timedjoin.c: Likewise.

	* pthread_cond_wait.c: Revert order in which internal lock are dropped
	and the condvar's mutex are retrieved.
	* pthread_cond_timedwait.c: Likewise.
	Reported by dice@saros.East.Sun.COM.

2002-10-07  Ulrich Drepper  <drepper@redhat.com>

	* pthreadP.h: Cut out all type definitions and move them...
	* sysdeps/unix/sysv/linux/internaltypes.h: ...here.  New file.
	* pthreadP.h: Include <internaltypes.h>.

	* sysdeps/unix/sysv/linux/i386/lowlevelsem.h (lll_sem_post): Little
	performance tweaks.

	* sem_trywait.c: Shuffle #includes around to get right order.
	* sem_timedwait.c: Likewise.
	* sem_post.c: Likewise.
	* sem_wait.c: Likewise.

	* nptl 0.3 released.

	* Makefile (tests): Add tst-signal3.
	* tst-signal3.c: New file.

2002-10-05  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/linux/i386/lowlevelsem.h: Tell the compiler that
	the asms modify the sem object.
	(__lll_sem_timedwait): Now takes struct sem* as first parameter.

	* sysdeps/unix/sysv/linux/i386/bits/semaphore.h (sem_t): Don't expose
	the actual members.
	* pthreadP.h (struct sem): New type.  Actual semaphore type.
	* semaphoreP.h: Include pthreadP.h.
	* sem_getvalue.c: Adjust to sem_t change.
	* sem_init.c: Likewise.
	* sem_open.c: Likewise.
	* sem_post.c: Likewise.
	* sem_timedwait.c: Likewise.
	* sem_trywait.c: Likewise.
	* sem_wait.c: Likewise.

2002-10-04  Ulrich Drepper  <drepper@redhat.com>

	* Makefile (tests): Add tst-basic2, tst-exec1, tst-exec3, tst-exec3.
	* tst-basic2.c: New file.
	* tst-exec1.c: New file.
	* tst-exec2.c: New file.
	* tst-exec3.c: New file.

	* tst-fork1.c: Remove extra */.

	* nptl 0.2 released.  The API for IA-32 is complete.