2002-12-12 Ulrich Drepper * sysdeps/unix/sysv/linux/fork-gen.c: Renamed to... * sysdeps/unix/sysv/linux/libc_pthread_init.c: ...this. Initialize __libc_locking_needed. * init.c (__pthread_initialize_minimal): Call __libc_pthread_init instead of __register_pthread_fork_handler. * sysdeps/pthread/bits/libc-lock.h: Declare __libc_locking_needed. * sysdeps/unix/sysv/linux/Makefile (sysdep_routimes): Replace fork-gen with libc_pthread_init. * sysdeps/unix/sysv/linux/Versions: Use __libc_pthread_init instead of __register_pthread_fork_handler. * sysdeps/unix/sysv/linux/fork.h: Declare __libc_pthread_init instead of __register_pthread_fork_handler. * sysdeps/unix/sysv/linux/i386/lowlevellock.h: Use __libc_locking_needed to determine whether lock prefix can be avoided. * sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S: Likewise. 2002-12-11 Ulrich Drepper * Makefile (tests): Add tst-cleanup1. * tst-cleanup1.c: New file. * cancellation.c (__cleanup_thread): Removed. (__do_cancel): Remove call to __cleanup_thread. * pthreadP.h: Remove __cleanup_thread prorotype. * sysdeps/pthread/bits/libc-lock.h (__libc_cleanup_region_start): Remember function and argument even if cancellation handler function is not available. (__libc_cleanup_region_end): Execute registered function directly if pthread functions are not available. (__libc_cleanup_end): Likewise. * init.c (__pthread_initialize_minimal): Fix initialization in static lib by preventing gcc from being too clever. 2002-12-10 Ulrich Drepper * init.c (__pthread_initialize_minimal): Remove unneccesary sigaddset call. * Makefile (tests): We can run tst-locale2 now. 2002-12-09 Ulrich Drepper * Versions: Remove duplicated sigwait entry. 2002-12-08 Ulrich Drepper * pthreadP.h: Enable pthread_cleanup_{push,pop} optimizations only inside libpthread. * pt-fcntl.c (__fcntl): Initialize oldtype to avoid warning. * pthreadP.h: Declare __pthread_enable_asynccancel and __pthread_disable_asynccancel. (CANCEL_ASYNC): Use __pthread_enable_asynccancel. (CANCEL_RESET): Use __pthread_disable_asynccancel. * cancellation.c (__pthread_enable_asynccancel): New function. (__pthread_disable_asynccancel): New function. * pt-accept.c: Adjust for CANCEL_ASYNC and CANCEL_RESET change. * pt-close.c: Likewise. * pt-connect.c: Likewise. * pt-creat.c: Likewise. * pt-fcntl.c: Likewise. * pt-fsync.c: Likewise. * pt-lseek.c: Likewise. * pt-lseek64.c: Likewise. * pt-msgrcv.c: Likewise. * pt-msgsnd.c: Likewise. * pt-msync.c: Likewise. * pt-nanosleep.c: Likewise. * pt-open.c: Likewise. * pt-open64.c: Likewise. * pt-pause.c: Likewise. * pt-poll.c: Likewise. * pt-pread.c: Likewise. * pt-pread64.c: Likewise. * pt-pselect.c: Likewise. * pt-pwrite.c: Likewise. * pt-pwrite64.c: Likewise. * pt-read.c: Likewise. * pt-readv.c: Likewise. * pt-recv.c: Likewise. * pt-recvfrom.c: Likewise. * pt-recvmsg.c: Likewise. * pt-select.c: Likewise. * pt-send.c: Likewise. * pt-sendmsg.c: Likewise. * pt-sendto.c: Likewise. * pt-sigpause.c: Likewise. * pt-sigsuspend.c: Likewise. * pt-sigtimedwait.c: Likewise. * pt-sigwait.c: Likewise. * pt-sigwaitinfo.c: Likewise. * pt-system.c: Likewise. * pt-tcdrain.c: Likewise. * pt-wait.c: Likewise. * pt-waitid.c: Likewise. * pt-waitpid.c: Likewise. * pt-write.c: Likewise. * pt-writev.c: Likewise. * pthread_join.c: Likewise. * pthread_timedjoin.c: Likewise. * pt-sigpause.c (sigsuspend): Call __sigsuspend. (__xpg_sigpause): New function. * Versions (libpthread:GLIBC_2.3.2): Add __xpg_sigpause. 2002-12-07 Ulrich Drepper * 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 * 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 . 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 . Use _IO_lock_lock instead of pthread_mutex_lock. * funlockfile.c: Include . Use _IO_lock_unlock instead of pthread_mutex_unlock. 2002-12-06 Roland McGrath * allocatestack.c (__stack_user): Use uninitialized defn. * init.c (__pthread_initialize_minimal): Initialize it here. 2002-12-05 Roland McGrath * 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 * 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 * 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 * 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 * 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 * sysdeps/i386/tls.h: Include stdlib.h. * sysdeps/x86_64/tls.h: Likewise. 2002-12-04 Ulrich Drepper * 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 * 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 . * allocatestack.c (get_cached_stack): Don't crash if we first found a stack with a larger size then needed. Reported by Hui Huang . * 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 * 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 * Makefile (tests): Add tst-locale1. If buid-static is yes link statically. * tst-locale1.c: New file. * pthread_cond_timedwait.c: Include . * Makefile (tests): Add tst-fork2 and tst-fork3. * tst-fork2.c: New file. * tst-fork3.c: New file. 2002-11-28 Ulrich Drepper * 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 * 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 * 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 * 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 * 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 * 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 * sysdeps/pthread/pthread.h (pthread_self): __THROW must come before attribute definitions. Patch by Luca Barbieri . 2002-11-22 Ulrich Drepper * pthread_getspecific.c: Optimize access to first 2nd-level array. * pthread_setspecific.c: Likewise. 2002-11-21 Ulrich Drepper * 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 * Versions: Export __connect from libpthread. Patch by Luca Barbieri . * 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 . * 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 . 2002-11-08 Ulrich Drepper * pthread_key_create.c: Terminate search after an unused key was found. Patch by Luca Barbieri . * sysdeps/unix/sysv/linux/i386/pthread_once.S: Return zero. Patch by Luca Barbieri . 2002-10-10 Ulrich Drepper * 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 * 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 * 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 * pthreadP.h: Cut out all type definitions and move them... * sysdeps/unix/sysv/linux/internaltypes.h: ...here. New file. * pthreadP.h: Include . * 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 * 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 * 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.