1998-07-29 Xavier Leroy * Banner: Bump version number to 0.8 * FAQ.html: Many updates, in particular w.r.t. debugging. * manager.c: Support for non-default stacksize for LinuxThreads-allocated stacks; don't use guard pages for stacks with default size, rely on rlimit(RLIMIT_STACK) instead (it's cheaper). * attr.c: Likewise. * cancel.c: Use __pthread_sig_cancel and __pthread_sig_restart everywhere instead of PTHREAD_SIG_CANCEL and PTHREAD_SIG_RESTART. * condvar.c: Likewise. * internals.h: Likewise. * restart.h: Likewise. * signals.c: Likewise. * pthread.c: Likewise; set rlimit(RLIMIT_STACK) as we need it. 1998-07-23 Andreas Schwab * weaks.c: Define pthread_mutexattr_[sg]ettype instead of __pthread_mutexattr_[sg]ettype. Add more weak aliases. * Versions: Put __pthread_mutexattr_settype under version GLIBC_2.0. Don't export __pthread_mutexattr_setkind_np and __pthread_mutexattr_gettype. 1998-07-23 Andreas Schwab * sysdeps/pthread/bits/libc-lock.h: Make __pthread_mutexattr_settype weak. Don't make __pthread_mutexattr_setkind_np weak. 1998-07-16 10:52 Ulrich Drepper * manager.c (pthread_handle_create): Check whether sched_setscheduler call can succeed here. * mutex.c: Define __pthread_mutexattr_settype and make __pthread_mutexattr_setkind_np an alias. Likewise for __pthread_mutexattr_gettype. 1998-07-15 11:00 -0400 Zack Weinberg * attr.c (pthread_attr_setschedpolicy): Don't check whether caller is root. 1998-07-14 19:38 Ulrich Drepper * sysdeps/pthread/bits/libc-lock.h: Define __libc_cleanup_end. 1998-07-11 Andreas Jaeger * Examples/ex6.c: Include for usleep. 1998-06-13 11:04 Andreas Schwab * Examples/ex4.c (main): Use exit, not pthread_exit. 1998-07-09 13:39 Ulrich Drepper * Versions: Add __pthread_mutexattr_gettype and __pthread_mutexattr_settype. * lockfile.c: Use __pthread_mutexattr_settype instead of __pthread_mutexattr_setkind_np. * mutex.c: Define __pthread_mutexattr_gettype and __pthread_mutexattr_settype. * weak.c: Likewise. * sysdeps/pthread/pthread.h: Declare __pthread_mutexattr_gettype and __pthread_mutexattr_settype. * sysdeps/pthread/bits/libc-lock.h (__libc_lock_init_recursive): Use __pthread_mutexattr_settype. 1998-07-08 22:26 Ulrich Drepper * Versions: Add pthread_mutexattr_gettype, pthread_mutexattr_settype. * mutex.c: Define weak alias pthread_mutexattr_gettype and pthread_mutexattr_settype. * sysdeps/pthread/pthread.h: Declare these functions. Move pthread_sigmask and pthread_kill declaration in separate header. * sysdeps/unix/sysv/linux/bits/sigthread.h: New file. 1998-07-07 15:20 Ulrich Drepper * Makefile: Add rules to compile and run tests. * Examples/ex1.c: Little changes to fix warnings. * Examples/ex2.c: Likewise. * Examples/ex3.c: Likewise. * Examples/ex4.c: Likewise. * Examples/ex5.c: Likewise. * Examples/ex6.c: New file. 1998-07-05 11:54 Ulrich Drepper * Versions: Add pthread_attr_init to GLIBC_2.1 version in libc. 1998-07-01 Andreas Jaeger * attr.c: Include . 1998-06-30 11:47 Ulrich Drepper * attr.c: Include errno.h. Use memcpy to copy sched_param. * internals.h: Include limits.h. * manager.c: Use memcpy to copy sched_param. * ptfork.c: Include errno.h. * pthread.c: Likewise. * semaphore.c: Likewise. * specific.c: Likewise. * spinlock.h: Likewise. * sysdeps/pthread/pthread.h: Include only allowed headers. Move type definition to ... * sysdeps/pthread/bits/pthreadtypes.h: ...here. New file. 1998-06-29 12:34 Ulrich Drepper * sysdeps/pthread/pthread.h: Use __PMT not __P for function pointers. * sysdeps/pthread/pthread.h: Define various PTHREAD_* symbols also as macros as demanded in POSIX.1, Annex C. 1998-06-29 12:29 Ulrich Drepper * internals.h (struct pthread_request): For free use pthread_t instead of pthread_descr. * join.c (pthread_join): Pass thread_id, not th to manager. (pthread_detach): Likewise. * manager.c (__pthread_manager): Except thread ID in FREE_REQ case. (pthread_exited): Remove detached queue code. (pthread_handle_free): Expect thread ID parameter and use it to validate the thread decsriptor. Don't use detached queue. Patches by Xavier Leroy. 1998-06-27 Andreas Schwab * libpthread.map: Export accept, longjmp, sigaction, siglongjmp, _IO_flockfile, _IO_ftrylockfile, _IO_funlockfile, __pthread_atfork, __pthread_key_create, __pthread_once. * internals.h: Doc fix. * pthread.c (__pthread_initialize): Define again. 1998-06-26 Ulrich Drepper * manager.c (pthread_exited): If thread is not detached put it on special list. (pthread_handle_free): If thread is not on list with living threads search on list with detached threads. * sysdeps/pthread/pthread.h (PTHREAD_RWLOCK_INITIALIZER): Correct for new definition of pthread_rwlock_t. * spinlock.c: Correct test whether to compile __pthread_compare_and_swap or not. 1998-06-25 19:27 Ulrich Drepper * attr.c: Finish user stack support. Change locking code to be safe in situations with different priorities. * cancel.c: Likewise. * condvar.c: Likewise. * internals.h: Likewise. * join.c: Likewise. * manager.c: Likewise. * mutex.c: Likewise. * pthread.c: Likewise. * ptlongjmp.c: Likewise. * queue.h: Likewise. * rwlock.c: Likewise. * semaphore.c: Likewise. * semaphore.h: Likewise. * signals.c: Likewise. * spinlock.c: Likewise. * spinlock.h: Likewise. * sysdeps/pthread/pthread.h: Likewise. Patches by Xavier Leroy. * sysdeps/i386/i686/pt-machine.h: New file. 1998-06-25 Ulrich Drepper * sysdeps/pthread/pthread.h: Make [sg]et_stacksize and [sg]et_stackaddr prototypes always available. * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define _POSIX_THREAD_ATTR_STACKSIZE and _POSIX_THREAD_ATTR_STACKADDR. 1998-06-24 Ulrich Drepper * manager.c (pthread_free): Undo patch from 980430. Reported by David Wragg . 1998-06-09 15:07 Ulrich Drepper * manager.c: Define __pthread_manager_adjust_prio and use it to increase priority when needed. * internals.h: Add prototype for __pthread_manager_adjust_prio. * mutex.c: Optimize mutexes to wake up only one thread. * pthread.c: Move PID of manager for global variable in structure element. Patches by Xavier Leroy. 1998-06-07 13:47 Ulrich Drepper * sysdeps/pthread/bits/libc-lock.h: Optimize cleanup handlers a bit. 1998-06-03 Andreas Jaeger * attr.c: Correct typo. 1998-05-01 Ulrich Drepper * manager.c (pthread_free): Unmap guard before the stack. Patch by Matthias Urlichs. 1998-04-30 Ulrich Drepper * manager.c (pthread_free): Detect already free child. Patch by Xavier Leroy, reported by Matthias Urlichs. 1998-04-23 Andreas Schwab * Makefile (linuxthreads-version): Renamed back from libpthread-version. 1998-04-21 Ulrich Drepper * ptlongjmp.c: Add prototypes for __libc_siglongjmp and __libc_longjmp. 1998-04-20 14:55 Ulrich Drepper * Makefile (libpthread-routines): Add ptlongjmp and spinlock. * internals.h: Add definitions for new spinlock implementation. * ptlongjmp.c: New file. * spinlock.c: New file. * spinlock.h (acquire): Don't reschedule using __sched_yield, use new function __pthread_acquire to prevent deadlocks with thread with different priorities. Patches by Xavier Leroy . 1998-03-16 Andreas Schwab * manager.c (__pthread_manager): Reduce first argument to select to include just the needed file descriptor. 1998-03-17 00:06 Ulrich Drepper * manager.c: Fix last patch which caused core dumps. * pthread.c: Correctly handle missing SIGRTMIN. 1998-03-15 Andreas Schwab * libpthread.map: Add __libc_internal_tsd_get and __libc_internal_tsd_set. Add missing cancelable functions. Export libc internal versions of the cancelable functions. 1998-03-13 16:51 Ulrich Drepper * weaks.c: Define pthread_attr_init as GLIBC_2.0 and GLIBC_2.1. 1998-03-13 00:46 Ulrich Drepper * attr.c: Implement pthread_attr_[gs]etguardsize, pthread_attr_[gs]setstackaddr, pthread_attr_[gs]etstacksize. Change pthread_attr_init to have two interfaces. * internals.h (struct _pthread_descr_struct): Add new fields for above functions. * libpthread.map: Add names in GLIBC_2.1 section. * manager.c (pthread_handle_create): Implement guardsize and user stack. (pthread_free): Likewise. * pthread.c (pthread_create): Add new interface for changed pthread_attr_t. * sysdeps/pthread/pthread.h: Add prototypes for new functions. * sysdeps/unix/sysv/linux/bits/local_lim.h: Add definition of PTHREAD_STACK_MIN. 1998-03-11 00:42 Wolfram Gloger * manager.c: Enable resetting of the thread scheduling policy to SCHED_OTHER when the parent thread has a different one. 1998-02-01 13:51 Ulrich Drepper * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define _POSIX_ASYNCHRONOUS_IO. * sysdeps/pthread/pthread.h: Define bits for Unix98 variants of mutexes. * mutex.c: Implement new mutex types. * internals.h: Include . * libpthread.map: Add __erno_location and __h_errno_location. * errno.c: Return pointer to variable actually in use. This might not be the one in the thread structure. * internals.h (struct _pthread_descr_struct): Add new fields p_errnop and p_h_errnop. * manager.c (__pthread_manager): Set p_errnop and p_h_errnop member of manager thread structure. (pthread_handle_create): Set p_errnop and p_h_errnop members for new thread. * pthread.c: Adapt initializer for thread structures. (__pthread_initial_thread): Set p_errnop and p_h_errnop member. (__pthread_reset_main_thread): Reset p_errnop and p_h_errnop of current thread to global variables. 1998-01-31 17:27 Ulrich Drepper * rwlock.c: New file. * Makefile (libpthread-routines): Add rwlock. * sysdeps/pthread/pthread.h: Define data structures and declare functions. * libpthread.map: Add new functions. 1997-12-18 13:50 Philip Blundell * sysdeps/arm/pt-machine.h: New file; add ARM support. * sysdeps/arm/Implies: likewise. * README: Document it. 1997-12-13 Andreas Schwab * signals.c: Remove unneeded initializer for sigwaited, saving a warning. 1997-04-11 01:18 Andreas Schwab * semaphore.c (sem_init): Set sem_spinlock only if available. 1997-12-04 01:48 Ulrich Drepper * mutex.c: Implement PTHREAD_MUTEX_CHECKERROR. * sysdeps/pthread/pthread.h: Define PTHREAD_MUTEX_CHECKERROR. * Makefile: Update from LinuxThreads 0.7. * internals.h. Likewise. * manager.c: Likewise. * mutex.c: Likewise. * pthread.c: Likewise. * signals.c: Likewise. * specific.c: Likewise. * Examples/ex3.c: Likewise. 1997-11-20 18:13 Ulrich Drepper * pthread.c (__pthread_reset_main_thread): Close pipe only if still open. 1997-10-29 05:38 Ulrich Drepper * wrapsyscall.c: Add socket functions which are also cancelation points. 1997-10-19 21:40 Wolfram Gloger * specific.c (__libc_internal_tsd_set, __libc_internal_tsd_get): New functions for fast thread specific data within libc. * internals.h: Add new array p_libc_specific to struct _pthread_descr_struct. * sysdeps/pthread/bits/libc-lock.h: Declare new functions. 1997-10-13 05:39 Ulrich Drepper * semaphore.h: Add __BEGIN_DECLS/__END_DECLS. Reported by Ralf Corsepius . 1997-08-29 03:05 Ulrich Drepper * internals.h (struct _pthread_descr_struct): Add definitions for two-level specific key handling. * manager.c (pthread_handle_create): Initialize specific memory array. * specific.c: Implement two-level key handling. * weaks.c: Don't provide dummy key handling. * sysdeps/pthread/bits/libc-lock.h: Typedef __libc_lock_t (no #define). Add definition of __libc_key_t. * sysdeps/unix/sysv/linux/bits/local_lim.h: Define PTHREAD_KEYS_MAX as 1024. Add definition of _POSIX_THREAD_DESTRUCTOR_ITERATIONS and PTHREAD_DESTRUCTOR_ITERATIONS. * manager.c (pthread_handle_create): Compare mmap result with MAP_FAILED. * ptfork.c: Rename to __pthread_atfork and make old name a weak alias. * sysdeps/pthread/bits/pthread.h: Add prototype for __pthread_atfork. 1997-08-22 19:04 Richard Henderson sysdeps/sparc -> sysdeps/sparc/sparc32 sysdeps/sparc64 -> sysdeps/sparc/sparc64 * internals.h: Change definition of THREAD_SELF to be an expression, not a statement that did a return. * sysdeps/alpha/pt-machine.h (THREAD_SELF): Update accordingly. * sysdeps/sparc/sparc32/pt-machine.h (THREAD_SELF, INIT_THREAD_SELF): Follow Solaris and use a "system reserved" register (%g6) to hold the thread descriptor. * sysdeps/sparc/sparc64/pt-machine.h: Likewise. 1997-08-03 00:09 Ulrich Drepper * mutex.c: Correct pthread_once. Patch by Xavier Leroy. * sysdeps/pthread/pthread.h: Add prototype for __pthread_once. * sysdeps/pthread/bits/pthread.h: Add macros for __libc_once. * semaphore.c: Include spinlock.h only when needed. * specific.c (__pthread_setsepcific, __pthread_getspecific): Reject keys for entries not in use. * weaks.c: Implement key handling functions for real. 1997-06-29 01:04 Richard Henderson Initial sparc64-linux support: * linuxthreads/sysdeps/sparc64/Implies: New file. * linuxthreads/sysdeps/sparc64/pt-machine.h: Likewise. 1997-06-29 00:48 Ulrich Drepper * semaphore.c: Include spinlock.h at correct place. Patch by HJ Lu. 1997-06-13 10:06 Richard Henderson The Great Bit File Move: * sysdeps/alpha/semaphorebits.h: -> .../bits/semaphore.h. * sysdeps/powerpc/semaphorebits.h: Likewise. * sysdeps/pthread/cmpxchg/semaphorebits.h: Likewise. * sysdeps/pthread/no-cmpxchg/semaphorebits.h: Likewise. * sysdeps/pthread/libc-lock.h: -> bits/ * sysdeps/pthread/stdio-lock.h: Likewise. * sysdeps/unix/sysv/linux/local_lim.h: Likewise. * sysdeps/unix/sysv/linux/posix_opt.h: Likewise. * semaphore.h: Likewise. * sysdeps/pthread/pthread.h: Likewise. * lockfile.c: -> . * semaphore.h: Likewise. * Makefile: (headers): foo.h -> bits/foo.h. * sysdeps/pthread/Makefile: Likewise. 1997-04-11 01:18 Andreas Schwab * semaphore.c (sem_init): Set sem_spinlock only if available. * sysdeps/m68k/pt-machine.h (testandset, __compare_and_swap): Fix asm constraints. 1997-04-09 03:00 Ulrich Drepper Update from LinuxThreads 0.6. * attr.c (pthread_attr_getdetachstate): Use __sched_get_priority_max and __sched_get_priority_min instead of names without `__'. * manager.c: Rewrite large parts to implement opaque pthread_t. * cancel.c: Adapt for opaque pthread_t type. * condvar.c: Likewise. * errno.c: Likewise. * join.c: Likewise. * mutex.c: Likewise. * pthread.c: Likewise. * signals.c: Likewise. * specific.c: Likewise. * restart.h: Likewise. * queue.h: Likewise. * Examples/ex3.c: Likewise. * Examples/ex4.c: Likewise. * sysdeps/pthread/pthread.h: Likewise. * pthread.c: Accumulate time for all threads in thread manager. * semaphore.c: Implement fallback implementation for architectures sometimes missing compare-exchange operations. * cancel.c (pthread_cancel): Validate handle argument. * join.c (pthread_join): Likewise. (pthread_detach): Likewise. * signals.c (pthread_kill): Likewise. * spinlock.h (acquire): Use __sched_yield not sched_yield. * queue.h (enqueue): Enqueue thread according to priority. * internals.c (struct pthread_start_args): New struct for passing args to cloning function. (struct _pthread): Rename to _pthread_descr_struct and adapt for opaque pthread_t. * Examples/Makefile (clean): Pass -f option to rm. * sysdeps/i386/pt-machine.h: Add check for compare-exchange instruction and define TEST_FOR_COMPARE_AND_SWAP. * sysdeps/i386/i486/pt-machine.h: Removed. * sysdeps/unix/sysv/linux/local_lim.h (PTHREAD_THREADS_MAX): Increase to 1024. 1997-04-04 16:38 Ulrich Drepper * restart.h (suspend): Clear p_signal before suspending. (suspend_with_cancellation): Likewise. Patch by Xavier Leroy . * weaks.c: Make __pthread_key_create return 1. * sysdeps/pthread/libc-lock.h: Define __libc_key_create, __libc_getspecific, __libc_setspecific, and __libc_key_t. * sysdeps/pthread/stdio-lock.h: Don't care for implementation not using libio. 1997-03-19 15:13 Miguel de Icaza * sysdeps/sparc/pt-machine (RELEASE): Fix. 1997-03-01 07:55 Geoff Keating * sysdeps/powerpc/Implies: Added. * sysdeps/powerpc/pt-machine.h: Added. * sysdeps/powerpc/semaphorebits.h: Added. 1997-01-22 01:22 Ulrich Drepper * linuxtheads/pthread.c (__pthread_initial_thread): Correct initializer. (__pthread_manager_thread): Likewise. Reported by Andreas Jaeger. 1997-01-18 22:15 Richard Henderson Since sigset_t no longer fits in a register, we can't pass in the thread's initial mask so easily. Take this opportunity to simplify the clone implementation by only accepting a single void* argument. * linuxthreads/manager.c (__pthread_manager): Put thread vitals in the thread struct instead of as arguments through clone. (pthread_start_thread): Look for them there. * linuxthreads/internals.h (struct _pthread): Add p_initial_fn, p_initial_fn_arg, p_initial_mask. Fix __pthread_manager proto. * linuxthreads/pthread.c (pthread_initialize_manager): Revise clone invocation.