Replaced "$<" in non-pattern rules with its value. This is to support

[bpt/guile.git] / libguile / ChangeLog

2002-10-13  Marius Vollmer  <mvo@zagadka.ping.de>

	* Makefile.am (libpath.h): Fixed typo in top_srcdir_absolute
	substitution.  Thanks to David Allouche!

2002-10-13  Dirk Herrmann  <D.Herrmann@tu-bs.de>

	* evalext.h:  Replaced SCM_DEBUG_DEPRECATED with
	!SCM_ENABLE_DEPRECATED.

2002-10-11  Marius Vollmer  <marius.vollmer@uni-dortmund.de>

	* async.c (s_scm_system_async_mark_for_thread): Only call
	scm_i_thread_root when USE_THREADS is defined.  Use scm_root
	otherwise.

	* scmsigs.c (take_signal): Only call scm_i_thread_root when
	USE_THREADS is defined.  Use scm_root otherwise.
	(scm_sigaction_for_thread): Ignore THREAD argument when
	USE_THREADS is not defined.  Also, move THREAD argument defaulting
	out of HAVE_SIGACTION section, which was a bug.

2002-10-10  Marius Vollmer  <marius.vollmer@uni-dortmund.de>

	* scmsigs.c (scm_sigaction_for_thread): Store original handler in
	signal_handlers, not the closure that is used as the async.
	The closure is stored in signal_handler_cells, as previously.
	
2002-10-10  Marius Vollmer  <mvo@zagadka.ping.de>

	* root.h (scm_root_state): Added 'block_async' slot.
	(scm_active_asyncs): Removed abbrev.
	* root.c (scm_make_root): Initialize 'block_asyncs' slot.

	* __scm.h (SCM_ASYNC_TICK): Do without the scm_active_asyncs
	abbrev.

	* async.h (scm_call_with_blocked_asyncs,
	scm_call_with_unblocked_asyncs, scm_c_call_with_blocked_asyncs,
	scm_c_call_with_unblocked_asyncs): New prototypes.
	(scm_mask_signals, scm_unmask_signals): Deprecated.
	(scm_mask_ints): Turned into a macro.
	* async.c (scm_mask_ints): Removed.
	(scm_run_asyncs): Do not set scm_mask_ints while running an async.
	this should not be necessary.
	(scm_async_click): Test block_asyncs instead of scm_mask_ints.
	(scm_mask_signals, scm_unmask_signals): Deprecated.  Emit
	deprecation warning and check for errornous use.  Set block_asyncs
	instead of scm_mask_ints.
	(increase_block, decrease_block, scm_call_with_blocked_asyncs,
	scm_call_with_unblocked_asyncs, scm_c_call_with_blocked_asyncs,
	scm_c_call_with_unblocked_asyncs): New.
	
	* script.c (scm_compile_shell_switches): Do not set scm_mask_ints.
	Asyncs are enabled by default.

2002-10-09  Neil Jerram  <neil@ossau.uklinux.net>

	* vports.c (scm_make_soft_port): Allow vector argument to carry a
	6th element: an input waiting thunk.
	(sf_input_waiting): New.

2002-10-05  Marius Vollmer  <mvo@zagadka.ping.de>

	* root.c (root_mark): Mark active_asyncs slot.

	* async.c (scm_async_click): Set the cdr of a executed handler
	cell to SCM_BOOL_F, not SCM_EOL.
	(scm_i_queue_async_cell): Queue the cell at the end of the list,
	and only if the handler procedure is not already present.
	(scm_system_async_mark_for_thread): Initialize cdr of handler cell
	with SCM_BOOL_F.
	* scmsigs.c (scm_sigaction_for_thread): Likewise.
	
2002-10-04  Rob Browning  <rlb@defaultvalue.org>

	* guile.c (main): switch to scm_lt_dlset_preloaded_symbols;

	* dynl.c (sysdep_dynl_link): switch to scm_lt_dlhandle,
	scm_lt_dlopenext, and scm_lt_dlerror.
	(sysdep_dynl_unlink): switch to scm_lt_dlhandle, scm_lt_dlclose,
	and scm_lt_dlerror.
	(sysdep_dynl_func): switch to scm_lt_dlhandle, scm_lt_dlsym,
	and scm_lt_dlerror.
	(sysdep_dynl_init): switch to scm_lt_dlinit();

	* Makefile.am (libguile_la_LIBADD): switch to use
	libguile-ltdl.la.

	* numbers.c (s_scm_integer_expt): (expt 0 1) should be 1.

2002-10-04  Marius Vollmer  <mvo@zagadka.ping.de>

	* scmsigs.h (scm_sigaction_for_thread): New prototype.
	* scmsigs.c (got_signal): Removed.
	(signal_handler_cells, signal_handler_threads): New.
	(take_signal): Queue the cell of the signal for the specified
	thread.  Reset the signal handler on systems that don't have
	sigaction.
	(sys_deliver_signals): Removed.
	(close_1): New.
	(scm_sigaction_for_thread): Renamed from scm_sigaction and
	extended to also set the thread of a signal and allocate a cell
	for it.  Keep the Scheme name "sigaction".  Check that signum is
	within range.  Also, use SCM_VECTOR_REF instead of SCM_VELTS.
	(scm_sigaction): Implement in terms of scm_sigaction_for_thread.
	(scm_init_scmsigs): Allocate signal_handler_cells and
	signal_handler_threads vectors.

	* async.c: Removed GUILE_OLD_ASYNC_CLICK code.  Reorganized so
	that system asnycs and user asyncs are separated.  Reimplemented
	system asyncs to work per-thread.

	* gc.c (scm_init_gc): Do not use scm_system_async.

	* async.h (scm_asyncs_pending, scm_set_tick_rate,
	scm_set_switch_rate, scm_system_async_mark_from_signal_handler):
	Removed prototypes.
	(scm_i_queue_async_cell): New.
	
	* __scm.h (scm_asyncs_pending_p): Removed.
	(SCM_ASYNC_CLICK): Check scm_active_asyncs instead of
	scm_asyncs_pending_p.

	* async.h (scm_system_async_mark_for_thread): New prototype.

	* __scm.h: Removed GUILE_OLD_ASYNC_CLICK code.

	* root.h (scm_root_state): Added new "active_asyncs" slot.
	* root.c (scm_make_root): Initialize it to SCM_EOL.

	* coop-defs.h (coop_t): Added new "handle" slot.
	* coop-threads.c (all_threads, scm_current_thread,
	scm_all_threads, scm_i_thread_root): New.
	(scm_threads_init): Add main thread to all_threads.
	(scheme_launch_thread): Remove thread from all_threads when it
	terminates.
	(scm_call_with_new_thread): Initialize handle slot of coop_t
	structure and add new thread to all_threads.
	(scm_spawn_thread): Likewise.

	* threads.h (scm_current_thread, scm_all_threads): New prototypes.
	* threads.c (scm_current_thread, scm_all_threads): Register as
	primitives.

	* dynl.c: Use scm_lt_ prefix for libltdl functions.

2002-09-29  Neil Jerram  <neil@ossau.uklinux.net>

	* script.c (scm_compile_shell_switches): Fix bad spelling of
	`explicitly' in comment.

2002-09-28  Neil Jerram  <neil@ossau.uklinux.net>

	* posix.c (scm_geteuid, scm_getegid, scm_seteuid, scm_setegid):
	Refer to provided? in doc string rather than deprecated feature?.

2002-09-24  Gary Houston  <ghouston@arglist.com>

	* inline.h (scm_double_cell): prevent reordering of statements
	with any following code (for GCC 3 strict-aliasing).
	* numbers.c (scm_make_real), num2float.i.c (FLOAT2NUM): removed
	the earlier version of the reordering prevention.

2002-09-19  Han-Wen Nienhuys  <hanwen@cs.uu.nl>

	* inline.h (scm_double_cell): move SET_GCMARK set out of if body. 

2002-09-09  Han-Wen Nienhuys  <hanwen@cs.uu.nl>

	* gc-malloc.c (scm_gc_register_collectable_memory): more overflow
	protection.

2002-09-08  Han-Wen Nienhuys  <hanwen@cs.uu.nl>

	* inline.h: include stdio.h

	* smob.c (free_print): abort if scm_debug_cell_accesses_p is set

2002-09-05  Han-Wen Nienhuys  <hanwen@cs.uu.nl>

	* gc-segment.c (scm_i_make_initial_segment): check user settings
	for sanity.

	* gc-malloc.c (scm_gc_init_malloc): check user settings for
	sanity.

	* gc-freelist.c (scm_init_freelist): check user settings for sanity. 

	* struct.h: change scm_structs_to_free to scm_i_structs_to_free

	* gc-malloc.c (scm_gc_register_collectable_memory): use floats;
	these won't ever wrap around with high memory usage. Thanks to
	Sven Hartrumpf for finding this.

	* gc-freelist.c: include <stdio.h>

	* gc-malloc.c: add DEBUGINFO for mtrigger GCs.

2002-09-01  Marius Vollmer  <mvo@zagadka.ping.de>

	* vectors.h (SCM_VECTOR_REF): New.

	* snarf.h (SCM_DEFINE_PUBLIC): New.

2002-08-30  Marius Vollmer  <mvo@zagadka.ping.de>

	* socket.c (scm_addr_vector): Added size of address to arguments.
	Use it to avoid accessing a non-existent path in a sockaddr_un.
	Changed all callers.

2002-08-29  Han-Wen Nienhuys  <hanwen@cs.uu.nl>

	* gc.h: remove DOUBLECELL card flags.

	* gc-malloc.c (scm_calloc): try to use calloc() before calling
	scm_realloc().

	* gc-segment.c (scm_i_initialize_heap_segment_data): remove card
	init loop; handle this from scm_init_card_freelist()

	* gc-card.c (scm_init_card_freelist): init bit vector here.

	* numbers.c (scm_make_real): prevent reordering of statements
	num2float.i.c (FLOAT2NUM): idem

2002-08-27  Han-Wen Nienhuys  <hanwen@cs.uu.nl>

	* eval.h: prepend libguile/ to include path

2002-08-26  Marius Vollmer  <mvo@zagadka.ping.de>

	* script.c (scm_compile_shell_switches): Added "2002" to Copyright