JehanneOS/newlib
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

* autoload.cc (CancelSynchronousIo): Define.

Browse Source 
* 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
Download Patch File Download Diff File Expand all files Collapse all files

11
winsup/cygwin/fcntl.cc
View File

@@ -1,7 +1,7 @@
/* fcntl.cc: fcntl syscall
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2008, 2009,
2010, 2011, 2012 Red Hat, Inc.
2010, 2011, 2012, 2013 Red Hat, Inc.
This file is part of Cygwin.
@@ -70,15 +70,6 @@ fcntl64 (int fd, int cmd, ...)
res = -1;
}
break;
case F_GETLK:
case F_SETLK:
case F_SETLKW:
{
struct flock *fl = (struct flock *) arg;
fl->l_type &= F_RDLCK | F_WRLCK | F_UNLCK;
res = cfd->lock (cmd, fl);
}
break;
default:
res = cfd->fcntl (cmd, arg);
break;