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1998-07-29Wed Jul 29 11:39:03 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* cleanup.c (_pthread_handler_push): Same as below. * create.c (pthread_create): Same as below. * private.c (_pthread_new_thread): Rename "new" to "new_thread". Since when has a C programmer been required to know C++?
1998-07-24Fri Jul 24 16:33:17 1998 Ross Johnson <rpj@swan.canberra.edu.au>rpj
* fork.c (pthread_atfork): Add all the necessary push calls. Local implementation semantics: If we get an ENOMEM at any time then ALL handlers (including those from previous pthread_atfork() calls) will be popped off each of the three atfork stacks before we return. (fork): Add all the necessary pop calls. Add the thread cancellation and join calls to the child fork. Add #includes. * implement.h: (_pthread_handler_push): Fix return type and stack arg type in prototype. (_pthread_handler_pop): Fix stack arg type in prototype. (_pthread_handler_pop_all): Fix stack arg type in prototype. * cleanup.c (_pthread_handler_push): Change return type to int and return ENOMEM if malloc() fails.
1998-07-23 * global.c: New. Global data objects declared here. These moved fromrpj
pthread.h. * pthread.h: Move implementation hidden definitions into implement.h. * implement.h: Move implementation hidden definitions from pthread.h. Add constants to index into the different handler stacks. * cleanup.c (_pthread_handler_push): Simplify args. Restructure. (_pthread_handler_pop): Simplify args. Restructure. (_pthread_handler_pop_all): Simplify args. Restructure.
1998-07-22Wed Jul 22 00:16:22 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* attr.c, implement.h, pthread.h, ChangeLog: Resolve CVS merge conflicts. * private.c (_pthread_find_thread_entry): Changes to return type to support leaner _pthread_threads_table[] which now only stores _pthread_thread_thread_t *. (_pthread_new_thread_entry): Internal changes. (_pthread_delete_thread_entry): Internal changes to avoid contention. Calling routines changed accordingly. * pthread.h: Modified cleanup macros to use new generic push and pop. Added destructor and atfork stacks to _pthread_threads_thread_t. * cleanup.c (_pthread_handler_push, _pthread_handler_pop, _pthread_handler_pop_all): Renamed cleanup push and pop routines and made generic to handle destructors and atfork handlers as well. * create.c (_pthread_start_call): New function is a wrapper for all new threads. It allows us to do some cleanup when the thread returns, ie. that is otherwise only done if the thread is cancelled. * exit.c (_pthread_vacuum): New function contains code from pthread_exit() that we need in the new _pthread_start_call() as well. * implement.h: Various additions and minor changes. * pthread.h: Various additions and minor changes. Change cleanup handler macros to use generic handler push and pop functions. * attr.c: Minor mods to all functions. (is_attr): Implemented missing function. * create.c (pthread_create): More clean up. * private.c (_pthread_find_thread_entry): Implement. (_pthread_delete_thread_entry): Implement. (_pthread_new_thread_entry): Implement. These functions manipulate the implementations internal thread table and are part of general code cleanup and modularisation. They replace _pthread_getthreadindex() which was removed. * exit.c (pthread_exit): Changed to use the new code above. * pthread.h: Add cancelability constants. Update comments.
1998-07-21Wed Jul 22 00:16:22 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* cleanup.c (_pthread_cleanup_push): Implement. (_pthread_cleanup_pop): Implement. (_pthread_do_cancellation): Implement. These are private to the implementation. The real cleanup functions are macros. See below. * pthread.h (pthread_cleanup_push): Implement as a macro. (pthread_cleanup_pop): Implement as a macro. Because these are macros which start and end a block, the POSIX scoping requirement is observed. See the comment in the file. * exit.c (pthread_exit): Refine the code. * create.c (pthread_create): Code cleanup. * implement.h (RND_SIZEOF): Add RND_SIZEOF(T) to round sizeof(T) up to multiple of DWORD. Add function prototypes. * private.c (_pthread_getthreadindex): "*thread" should have been "thread". Detect empty slot fail condition.