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authorCorinna Vinschen <corinna@vinschen.de>2013-06-02 10:22:14 +0000
committerCorinna Vinschen <corinna@vinschen.de>2013-06-02 10:22:14 +0000
commita24ad2c346471f3066e051459112341c02a039fc (patch)
tree6446521c7ebac7e27dcd033815f6a8b1a65da249 /winsup/cygwin/fhandler.h
parentfa35814af1fe24f596142c993f050f5eb0a74914 (diff)
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* autoload.cc (CancelSynchronousIo): Define.
* 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.
Diffstat (limited to 'winsup/cygwin/fhandler.h')
-rw-r--r--winsup/cygwin/fhandler.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/winsup/cygwin/fhandler.h b/winsup/cygwin/fhandler.h
index e76f67e..76e0ea7 100644
--- a/winsup/cygwin/fhandler.h
+++ b/winsup/cygwin/fhandler.h
@@ -963,6 +963,7 @@ class fhandler_dev_tape: public fhandler_dev_raw
class fhandler_disk_file: public fhandler_base
{
HANDLE prw_handle;
+ bool mandatory_locking;
int __reg3 readdir_helper (DIR *, dirent *, DWORD, DWORD, PUNICODE_STRING fname);
int prw_open (bool);
@@ -973,9 +974,11 @@ class fhandler_disk_file: public fhandler_base
int open (int flags, mode_t mode);
int close ();
+ int fcntl (int cmd, intptr_t);
int dup (fhandler_base *child, int);
void fixup_after_fork (HANDLE parent);
int lock (int, struct flock *);
+ int mand_lock (int, struct flock *);
bool isdevice () const { return false; }
int __reg2 fstat (struct stat *buf);
int __reg1 fchmod (mode_t mode);