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Drop old SetResourceLock stuff in favor of mutos.

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* dcrt0.cc (_reslock): Remove.
	(__cygwin_user_data): Accommodate removal of resourcelocks member.
	(dll_crt0_0): Don't initialize resourcelocks.
	* exceptions.cc (_cygtls::signal_exit): Drop resourcelocks handling.
	* mmap.cc (mmap_guard): New muto.
	(LIST_LOCK): Define.
	(LIST_UNLOCK): Define.
	(mmap_list::search_record): Remove.
	(mmap_list::try_map): Include code for anonymous case from
	mmap_list::search_record.
	(mmap_is_attached_or_noreserve): Access bookkeeping lists in a thread
	safe way.
	(mmap64): Replace SetResourceLock/ReleaseResourceLock by
	LIST_LOCK/LIST_UNLOCK.  Lock at the latest possible point.
	(munmap): Replace SetResourceLock/ReleaseResourceLock by
	LIST_LOCK/LIST_UNLOCK.
	(msync): Ditto.
	(mprotect): Ditto.
	* thread.cc (ResourceLocks::Lock): Remove.
	(SetResourceLock): Remove.
	(ReleaseResourceLock): Remove.
	(ResourceLocks::Init): Remove.
	(ResourceLocks::Delete): Remove.
	* thread.h (SetResourceLock): Drop declaration.
	(ReleaseResourceLock): Ditto.
	(class ResourceLocks): Drop definition.
	* include/sys/cygwin.h (class ResourceLocks): Drop forward declaration.
	(struct per_process): Replace resourcelocks with additional unused2
	element.
	(per_process_overwrite): Accommodate above change.
This commit is contained in:
Corinna Vinschen
2007-11-27 14:45:14 +00:00
parent 230a3c86d1
commit a1591d3be7
7 changed files with 85 additions and 118 deletions
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34
winsup/cygwin/ChangeLog
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@@ -1,3 +1,37 @@
2007-11-27 Corinna Vinschen <corinna@vinschen.de>
Drop old SetResourceLock stuff in favor of mutos.
* dcrt0.cc (_reslock): Remove.
(__cygwin_user_data): Accommodate removal of resourcelocks member.
(dll_crt0_0): Don't initialize resourcelocks.
* exceptions.cc (_cygtls::signal_exit): Drop resourcelocks handling.
* mmap.cc (mmap_guard): New muto.
(LIST_LOCK): Define.
(LIST_UNLOCK): Define.
(mmap_list::search_record): Remove.
(mmap_list::try_map): Include code for anonymous case from
mmap_list::search_record.
(mmap_is_attached_or_noreserve): Access bookkeeping lists in a thread
safe way.
(mmap64): Replace SetResourceLock/ReleaseResourceLock by
LIST_LOCK/LIST_UNLOCK. Lock at the latest possible point.
(munmap): Replace SetResourceLock/ReleaseResourceLock by
LIST_LOCK/LIST_UNLOCK.
(msync): Ditto.
(mprotect): Ditto.
* thread.cc (ResourceLocks::Lock): Remove.
(SetResourceLock): Remove.
(ReleaseResourceLock): Remove.
(ResourceLocks::Init): Remove.
(ResourceLocks::Delete): Remove.
* thread.h (SetResourceLock): Drop declaration.
(ReleaseResourceLock): Ditto.
(class ResourceLocks): Drop definition.
* include/sys/cygwin.h (class ResourceLocks): Drop forward declaration.
(struct per_process): Replace resourcelocks with additional unused2
element.
(per_process_overwrite): Accommodate above change.
2007-11-27 Corinna Vinschen <corinna@vinschen.de>
* mmap.cc: Convert usage of dynamically growing cmalloced arrays to