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* autoload.cc (CancelSynchronousIo): Define.

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* fcntl.cc (fcntl64): Drop handling of locking commands.
	* fhandler.h (class fhandler_disk_file): Add mandatory_locking.
	(fhandler_disk_file::fcntl): Declare.
	(fhandler_disk_file::mand_lock): Declare.
	* fhandler_disk_file.cc (fhandler_disk_file::fhandler_disk_file):
	Initialize mandatory_locking.
	(fhandler_disk_file::fcntl): New method.  Handle F_LCK_MANDATORY and
	locking commands.
	(fhandler_disk_file::dup): Duplicate mandatory_locking.  Fix a bug
	when duplicating prw_handle failed.
	(fhandler_disk_file::fixup_after_fork): Reset mandatory_locking.
	* flock.cc (fhandler_disk_file::lock): Add comment.
	(struct lock_parms): New struct to pass parameters to blocking_lock_thr
	thread function.
	(blocking_lock_thr): New thread function.
	(fhandler_disk_file::mand_lock): New methof implementing mandatory
	locking with Windows semantics.
	* ntdll.h (NtLockFile): Declare.
	(NtUnlockFile): Declare.
	* include/fcntl.h: Fix a comment.
	(F_LCK_MANDATORY): Define.  Add lengthy comment to explain.
This commit is contained in:
Corinna Vinschen
2013-06-02 10:22:14 +00:00
parent fa35814af1
commit a24ad2c346
9 changed files with 289 additions and 16 deletions
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1
winsup/cygwin/autoload.cc
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@ -574,6 +574,7 @@ LoadDLLfunc (GetIpForwardTable, 12, iphlpapi)
LoadDLLfunc (GetNetworkParams, 8, iphlpapi)
LoadDLLfunc (GetUdpTable, 12, iphlpapi)
LoadDLLfuncEx (CancelSynchronousIo, 4, kernel32, 1)
LoadDLLfunc (CreateSymbolicLinkW, 12, kernel32)
LoadDLLfuncEx (GetNamedPipeClientProcessId, 8, kernel32, 1)
LoadDLLfunc (LocaleNameToLCID, 8, kernel32)