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* Revert "add pthread_atfork helpers to our threading shims"...This reverts commit 2f745b64a1eb06e9e175a1b497d5270bebff9097. Andy Wingo2012-02-231-9/+1
* add pthread_atfork helpers to our threading shims...* libguile/null-threads.h: * libguile/pthread-threads.h (SCM_DEFINE_ATFORK_HANDLERS_FOR_MUTEX) (scm_i_pthread_atfork): Define a pthread_atfork shim, and a helper to declare procedures to lock and unlock a mutex. * libguile/threads.h (SCM_PTHREAD_ATFORK_LOCK_STATIC_MUTEX): New macro, causes the snarfer to emit a pthread_atfork call to lock a mutex, if threads are enabled. Andy Wingo2012-02-171-1/+9
* remove gc pthread redirects entirely...* libguile/pthread-threads.h: As an experiment, just define scm_i_pthread_create et al to their pthread_* functions, instead of the GC_ ones. It seems sufficient, given that all uses of Guile have to go through scm_with_guile anyway... Passes tests on my machine. Committing to give buildbots a go at it. Andy Wingo2011-05-261-18/+2
* pthread-threads.h: only redirect to GC_pthread_sigmask if it is present...* configure.ac: Check for pthread_sigmask. * libguile/gen-scmconfig.c: Create SCM_HAVE_GC_PTHREAD_SIGMASK. * libguile/pthread-threads.h (scm_i_pthread_sigmask): Only redirect to GC_pthread_sigmask if GC_pthread_sigmask is present. Andy Wingo2011-04-031-0/+4
* fix compilation with libgc 7.0, 7.1...* configure.ac: Check for GC_pthread_exit and GC_pthread_cancel. * libguile/gen-scmconfig.c: Write HAVE_GC_PTHREAD_CANCEL and HAVE_GC_PTHREAD_EXIT into scmconfig.h. * libguile/pthread-threads.h (scm_i_pthread_exit, scm_i_pthread_cancel): Only redefine to their GC_pthread_* variants if we have those functions, which is not the case in libgc < 7.2. Andy Wingo2011-03-291-0/+11
* threading / with_guile refactor to use more GC_stack_base...* libguile/init.h: * libguile/init.c (scm_i_init_guile): Change arg to this internal function from SCM_STACKITEM* to void*. Actually it's a struct GC_stack_base*. * libguile/bdw-gc.h: Don't do pthread redirects, because we don't want to affect applications' pthread_* bindings. * libguile/pthread-threads.h (scm_i_pthread_create) (scm_i_pthread_detach, scm_i_pthread_exit, scm_i_pthread_cancel) (scm_i_pthread_sigmask): Do pthread redirects here, in this internal header. * libguile/threads.h: Remove declaration of internal scm_i_with_guile_and_parent. Remove declaration of undefined scm_threads_init_first_thread. Make declaration of internal scm_threads_prehistory actually internal, and take a void* (actually a struct GC_stack_base*). * libguile/threads.c (GC_get_stack_base): Implement a shim if this function is unavailable, and fold in the implementations of get_thread_stack_base. (GC_call_with_stack_base): Actually implement. (guilify_self_1): Take a GC_stack_base* as an arg. (scm_i_init_thread_for_guile): Likewise, and set up libgc for registration of other threads. (scm_init_guile): Use GC_get_stack_base instead of our own guesswork. (with_guile_and_parent, scm_i_with_guile_and_parent): Rework to trampoline through a GC_call_with_stack_base. (scm_threads_prehistory): Pass the "base" arg on to guilify_self_1. Andy Wingo2011-03-251-7/+7
* Rename "boehm-gc.h" to "bdw-gc.h"; add to the distribution....* libguile/Makefile.am (modinclude_HEADERS): Add `bdw-gc.h'. * libguile/bdw-gc.h: Rename from "boehm-gc.h"; users updated. Update to LGPLv3+. Ludovic Courtès2009-09-141-1/+1
* Merge branch 'master' into boehm-demers-weiser-gc...Conflicts: lib/Makefile.am libguile/Makefile.am libguile/frames.c libguile/gc-card.c libguile/gc-freelist.c libguile/gc-mark.c libguile/gc-segment.c libguile/gc_os_dep.c libguile/load.c libguile/macros.c libguile/objcodes.c libguile/programs.c libguile/strings.c libguile/vm.c m4/gnulib-cache.m4 m4/gnulib-comp.m4 m4/inline.m4 Ludovic Courtès2009-08-181-6/+7
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| * Change Guile license to LGPLv3+...(Not quite finished, the following will be done tomorrow. module/srfi/*.scm module/rnrs/*.scm module/scripts/*.scm testsuite/*.scm guile-readline/* ) Neil Jerram2009-06-171-6/+7
* | Merge commit '2e77f7202b11ad0003831fcff94ec7db80cca015' into boehm-demers-wei......Conflicts: libguile/threads.c Ludovic Courtès2008-09-101-1/+8
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| * Changes from arch/CVS synchronizationLudovic Courtès2007-10-201-0/+3
| * Changes from arch/CVS synchronizationLudovic Courtès2007-10-101-1/+5
* | Merge commit 'f30e1bdf97ae8b2b2918da585f887a4d3a23a347' into boehm-demers-wei......Conflicts: libguile/Makefile.am libguile/coop-pthreads.c libguile/gc-freelist.c libguile/gc-segment.c libguile/gc.c libguile/private-gc.h test-suite/tests/environments.nottest Ludovic Courtès2008-09-101-1/+5
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| * merge from 1.8 branchKevin Ryde2006-10-091-1/+5
* | Use thread-local allocation (significant perf. improvement!); added the `boeh......* libguile/Makefile.am (modinclude_HEADERS): Added `boehm-gc.h'. * libguile/coop-defs.h: Use "libguile/boehm-gc.h" instead of <gc/gc.h>. * libguile/coop-threads.h: Likewise. * libguile/coop.c: Likewise. * libguile/gc.c: Likewise. (scm_storage_prehistory): Invoke `GC_init ()'. * libguile/guardians.c: Use "libguile/boehm-gc.h" instead of <gc/gc.h>. * libguile/inline.h: Likewise. (scm_double_cell): Use `GC_MALLOC' instead of `GC_malloc'. * libguile/pthread-threads.h: Use "libguile/boehm-gc.h" instead of <gc/gc.h>. * libguile/smob.c: Likewise. * libguile/smob.h: Likewise. * libguile/struct.c: Likewise. * libguile/threads.c: Likewise. * libguile/weaks.c: Likewise. git-archimport-id: lcourtes@laas.fr--2005-libre/guile-core--boehm-gc--1.9--patch-51 Ludovic Courtes2008-09-101-2/+1
* | Tell `libgc' that we're using POSIX threads. This fixes Guile on PPC....* libguile/coop-defs.h: If `GUILE_PTHREAD_COMPAT' is defined, then define `GC_THREADS' and include <gc/gc.h> after <pthread.h>. * libguile/coop-pthreads.h: Likewise. * libguile/pthread-threads.h: Likewise. git-archimport-id: lcourtes@laas.fr--2005-libre/guile-core--boehm-gc--1.9--patch-10 Ludovic Court`es2008-09-051-0/+4
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* merge from 1.8 branchKevin Ryde2006-04-171-1/+1
* Renamed the "frames" that are related to dynamic-wind to "dynamic...contexts. Renamed all functions from scm_frame_ to scm_dynwind_. Updated documentation. Marius Vollmer2006-01-291-1/+1
* * null-threads.h, pthread-threads.h...(SCM_I_PTHREAD_RECURSIVE_MUTEX_INITIALIZER): Removed. (scm_i_pthread_mutexattr_recursive): New. * threads.c (scm_i_pthread_mutexattr_recursive): Declare. (scm_i_critical_section_mutex): Do not initialize statically. (scm_threads_prehistory): Initialize scm_i_pthread_mutexattr_recursive and scm_i_critical_section_mutex here. * eval.c (source_mutex): Do not initialiaze statically. (scm_init_eval): Do it here, using scm_i_pthread_mutexattr_recursive. Marius Vollmer2005-10-231-2/+1
* The FSF has a new address.Marius Vollmer2005-05-231-1/+1
* See ChangeLog from 2005-03-02.Marius Vollmer2005-03-021-47/+55
* Changed license terms to the plain LGPL thru-out.Marius Vollmer2003-04-051-35/+11
* * Makefile.am (modinclude_HEADERS): Added threads-plugin.h....(EXTRA_DIST): Added threads-plugin.c. * threads-plugin.h, threads-plugin.c: New files. * threads.h: #include "libguile/threads-plugin.h". * threads.c: #include "libguile/threads-plugin.c". * pthread-threads.c: Temporarily remove debugging functions. * threads.c, threads.h (scm_yield): Added back. Mikael Djurfeldt2002-12-181-56/+2
* * threads.c (really_launch): Detach before unlocking...thread_admin_mutex in order not to risk being joined. (scm_i_thread_put_to_sleep, scm_i_thread_wake_up): Keep thread_admin_mutex locked during GC. * pthread-threads.c, pthread-threads.h: Improvements to debugging functions. Mikael Djurfeldt2002-12-181-12/+4
* * pthread-threads.c, pthread-threads.h (SCM_DEBUG_THREADS): Added...support for debugging mutex operations. Mikael Djurfeldt2002-12-161-1/+10
* * threads.c (scm_thread): Removed filed joining_threads....(thread_print): Print thread number as well as address of thread structure. (scm_join_thread): Bugfix. (scm_lock_mutex, scm_try_mutex, scm_unlock_mutex, scm_timed_wait_condition_variable, scm_signal_condition_variable, scm_broadcast_condition_variable): Use the low-level API. (scm_all_threads): Return copy of thread list (to prevent unintended destruction). (scm_threads_prehistory): Initialize heap_mutex of fake thread. Mikael Djurfeldt2002-12-161-11/+41
* * pthread-threads.c, pthread-threads.h, threads.c: Fixes to...pthread "native" recursive mutex support. Mikael Djurfeldt2002-12-161-7/+13
* * __scm.h (SCM_DEFER_INTS, SCM_ALLOW_INTS): New definitions....Simply lock a thread C API recursive mutex. (SCM_NONREC_CRITICAL_SECTION_START, SCM_NONREC_CRITICAL_SECTION_END, SCM_REC_CRITICAL_SECTION_START, SCM_REC_CRITICAL_SECTION_END): Removed. * eval.c: Replaced SOURCE_SECTION_START / SOURCE_SECTION_END with direct calls to scm_rec_mutex_lock / unlock around the three calls to scm_m_expand_body. * eval.c, eval.h (promise_free): New function. (scm_force): Rewritten; Now thread-safe; Removed SCM_DEFER/ALLOW_INTS. * pthread-threads.h: Added partially implemented plugin interface for recursive mutexes. These are, for now, only intended to be used internally within the Guile implementation. * pthread-threads.c: New file. * threads.c: Conditionally #include "pthread-threads.c". * eval.c, eval.h (scm_makprom, scm_force): Rewritten to be thread-safe; * snarf.h (SCM_MUTEX, SCM_GLOBAL_MUTEX, SCM_REC_MUTEX, SCM_GLOBAL_REC_MUTEX): New macros. * eval.c, threads.c, threads.h, snarf.h: Rewrote critical section macros---use mutexes instead. * tags.h (SCM_IM_FUTURE): New tag. * eval.c (scm_m_future): New primitive macro. (SCM_CEVAL): Support futures. (unmemocopy): Support unmemoization of futures. * print.c (scm_isymnames): Name of future isym. Mikael Djurfeldt2002-12-151-0/+24
* * __scm.h (SCM_ALLOW_INTS_ONLY): Removed....(SCM_NONREC_CRITICAL_SECTION_START, SCM_NONREC_CRITICAL_SECTION_END, SCM_REC_CRITICAL_SECTION_START, SCM_REC_CRITICAL_SECTION_END): New macros. (SCM_CRITICAL_SECTION_START/END): Defined here. * eval.c: Insert SOURCE_SECTION_START / SOURCE_SECTION_END around the three calls to scm_m_expand_body. * gc.h: #include "libguile/pthread-threads.h"; (SCM_FREELIST_CREATE, SCM_FREELIST_LOC): New macros. * gc.c (scm_i_freelist, scm_i_freelist2): Defined to be of type scm_t_key; * gc.c, gc-freelist.c, inline.h: Use SCM_FREELIST_LOC for freelist access. * gc-freelist.c (scm_gc_init_freelist): Create freelist keys. * gc-freelist.c, threads.c (really_launch): Use SCM_FREELIST_CREATE. * gc-malloc.c (scm_realloc, scm_gc_register_collectable_memory): * gc.c (scm_i_expensive_validation_check, scm_gc, scm_gc_for_newcell): Put threads to sleep before doing GC-related heap administration so that those pieces of code are executed single-threaded. We might consider rewriting these code sections in terms of a "call_gc_code_singly_threaded" construct instead of calling the pair of scm_i_thread_put_to_sleep () and scm_i_thread_wake_up (). Also, we would want to have as many of these sections eleminated. * init.c (scm_init_guile_1): Call scm_threads_prehistory. * inline.h: #include "libguile/threads.h" * pthread-threads.h: Macros now conform more closely to the pthreads interface. Some of them now take a second argument. * threads.c, threads.h: Many changes. * configure.in: Temporarily replaced "copt" threads option with new option "pthreads". (USE_PTHREAD_THREADS): Define if pthreads configured. Mikael Djurfeldt2002-12-091-30/+33
* * pthread-threads.h: New, implement pthread-like API by deferring to...pthread itself. Marius Vollmer2002-12-021-0/+99