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Marius Vollmer 2002-10-09 22:49:00 +00:00
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28
NEWS
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@ -50,6 +50,23 @@ You can now pass any zero-argument procedure to 'system-async-mark'.
The function 'system-async' will just return its argument unchanged
now.
** New functions 'call-with-blocked-asyncs' and
'call-with-unblocked-asyncs'
The expression (call-with-blocked-asyncs PROC) will call PROC and will
block execution of system asyncs for the current thread by one level
while PROC runs. Likewise, call-with-unblocked-asyncs will call a
procedure and will unblock the execution of system asyncs by one
level for the current thread.
Only system asyncs are affected by these functions.
** The functions 'mask-signals' and 'unmask-signals' are deprecated.
Use 'call-with-blocked-asyncs' or 'call-with-unblocked-asyncs'
instead. Those functions are easier to use correctly and can be
nested.
** New function 'unsetenv'.
** New macro 'define-syntax-public'.
@ -138,6 +155,17 @@ during evaluation, but prior to evaluation.
* Changes to the C interface
** The value 'scm_mask_ints' is no longer writable.
Previously, you could set scm_mask_ints directly. This is no longer
possible. Use scm_c_call_with_blocked_asyncs and
scm_c_call_with_unblocked_asyncs instead.
** New functions scm_c_call_with_blocked_asyncs and
scm_c_call_with_unblocked_asyncs
Like scm_call_with_blocked_asyncs etc. but for C functions.
** New snarfer macro SCM_DEFINE_PUBLIC.
This is like SCM_DEFINE, but also calls scm_c_export for the defined

4
doc/ref/ChangeLog
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@ -1,3 +1,7 @@
2002-10-10 Marius Vollmer <mvo@zagadka.ping.de>
* scheme-scheduling.texi (System Asyncs): Updated.
2002-10-07 Marius Vollmer <mvo@zagadka.ping.de>
* scheme-scheduling.texi (Asyncs): Updated.

7
ice-9/ChangeLog
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@ -1,3 +1,10 @@
2002-10-10 Marius Vollmer <mvo@zagadka.ping.de>
* boot-9.scm (top-repl): Use 2 as the limit when saving the stack.
(error-catching-loop): use call-with-blocked-asyncs and
call-with-unblocked-asyncs instead of mask-signals and
unmask-signals.
2002-10-09 Neil Jerram <neil@ossau.uklinux.net>
* buffered-input.scm (make-buffered-input-port): Build an

28
libguile/ChangeLog
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@ -1,3 +1,31 @@
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