(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.
(libpath.h): use GUILE_EFFECTIVE_VERSION to compute
SCM_LIBRARY_DIR.
(version.h): generate this here rather than configure.in. This
approach tracks source edits better (i.e. more immediately).
Might be worth considering for other .in files too.
"libguile/pthread-threads.h" for USE_COPT_THREADS. Removed
(previously deprecated) C level thread API prototypes. They are
now in the thread package specific headers, "null-threads.h" and
"pthread-threads.h".
(SCM_VALIDATE_THREAD, SCM_VALIDATE_MUTEX, SCM_VALIDATE_CONDVAR):
New.
(scm_threads_init): Removed.
(SCM_CRITICAL_SECTION_START, SCM_CRITICAL_SECTION_END,
SCM_THREAD_SWITCHING_CODE, scm_i_switch_counter,
SCM_I_THREAD_SWITCH_COUNT): Define here.
(scm_single_thread_p): Removed.
(scm_call_with_new_thread): Take two args directly instead of list
of two args.
(scm_i_thread_data, scm_i_set_thread_data, SCM_THREAD_LOCAL_DATA,
SCM_SET_THREAD_LOCAL_DATA): Define here.
* threads.c: Merged with "coop-pthreads.c".
* eval.c, eval.h (scm_trampoline_1, scm_trampoline_2): New functions.
* eval.c (call_subr2_2, call_lsubr_2, call_closure_2): New functions;
(map, for-each): Handle also application on two args as a special
case; Use trampolines.
* sort.c (scm_cmp_function): Choose subr2less for scm_tc7_subr_2o;
(subr2oless): Removed.
(scm_restricted_vector_sort_x): Use scm_return_first to keep the
vector GC protected.
* eval.c (check_map_args): Use scm_out_of_range_pos instead of
scm_out_of_range.
part of the API, otherwise it's difficult to write Guile
extensions using non-blocking I/O => moved #include
"libguile/iselect.h" from coop-pthreads.c --> coop-pthreads.h.
* coop-pthreads.c (scm_unlock_mutex): Changed s_lock_mutex -->
s_unlock_mutex.
