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src/winsup/cygwin ChangeLog dcrt0.cc exception ...


CVSROOT:	/cvs/src
Module name:	src
Branch: 	cr-0x5f1
Changes by:	corinna@sourceware.org	2007-11-29 11:14:52

Modified files:
	winsup/cygwin  : ChangeLog dcrt0.cc exceptions.cc mmap.cc 
	                 thread.cc thread.h 
	winsup/cygwin/include/sys: cygwin.h 

Log message:
	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.
	
	* mmap.cc: Convert usage of dynamically growing cmalloced arrays to
	cmalloced linked lists throughout.
	(class mmap_record): Add LIST_ENTRY element.
	(mmap_record::match): New method, taking over match algorithm from
	list::search_record.
	(class mmap_list): Rename from class list.  Add LIST_ENTRY.  Convert
	recs to a LIST_HEAD.  Drop nrecs and maxrecs members.
	(mmap_list::get_record): Drop entirely.
	(mmap_list::free_recs): Drop entirely.
	(mmap_list::del_record): Take mmap_record to delete as parameter.
	(mmap_list::search_record): Convert to mmap_record::match.
	(class mmap_areas): Rename from class map.  Convert lists to LIST_HEAD.
	(mmap_areas::get_list): Drop entirely.
	(mmap_areas::del_list): Take mmap_list to delete as parameter.
	(mprotect): Fix indentation.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/src/winsup/cygwin/ChangeLog.diff?cvsroot=src&only_with_tag=cr-0x5f1&r1=1.3582.2.35&r2=1.3582.2.36
http://sourceware.org/cgi-bin/cvsweb.cgi/src/winsup/cygwin/dcrt0.cc.diff?cvsroot=src&only_with_tag=cr-0x5f1&r1=1.311.4.4&r2=1.311.4.5
http://sourceware.org/cgi-bin/cvsweb.cgi/src/winsup/cygwin/exceptions.cc.diff?cvsroot=src&only_with_tag=cr-0x5f1&r1=1.297.2.1&r2=1.297.2.2
http://sourceware.org/cgi-bin/cvsweb.cgi/src/winsup/cygwin/mmap.cc.diff?cvsroot=src&only_with_tag=cr-0x5f1&r1=1.132.2.5&r2=1.132.2.6
http://sourceware.org/cgi-bin/cvsweb.cgi/src/winsup/cygwin/thread.cc.diff?cvsroot=src&only_with_tag=cr-0x5f1&r1=1.199.4.1&r2=1.199.4.2
http://sourceware.org/cgi-bin/cvsweb.cgi/src/winsup/cygwin/thread.h.diff?cvsroot=src&only_with_tag=cr-0x5f1&r1=1.103&r2=1.103.8.1
http://sourceware.org/cgi-bin/cvsweb.cgi/src/winsup/cygwin/include/sys/cygwin.h.diff?cvsroot=src&only_with_tag=cr-0x5f1&r1=1.64&r2=1.64.4.1


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