mirror of
git://sourceware.org/git/newlib-cygwin.git
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a24ad2c346
* 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.
43 lines
1.5 KiB
Plaintext
43 lines
1.5 KiB
Plaintext
What's new:
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- Drop support for Windows 2000 and Windows XP pre-SP3.
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- Add support for building a 64 bit version of Cygwin on x86_64 natively.
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- Add support for creating native symlinks (CYGWIN=winsymlinks:native or
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CYGWIN=winsymlinks:nativestrict).
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- Add support for the AFS filesystem.
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- Preliminary support for mandatory locking via fcntl, using Windows
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locking semantics. New F_LCK_MANDATORY fcntl command.
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- New APIs: __b64_ntop, __b64_pton, arc4random, arc4random_addrandom,
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arc4random_buf, arc4random_stir, arc4random_uniform.
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Bug fixes:
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- getgrouplist now always creates a group list, even if it's empty.
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Fixes: http://cygwin.com/ml/cygwin/2013-05/msg00157.html
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- In fork, call CreateProcessW with the same command line as the parent
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process. This seems to make sure the stack is created in the same
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memory location as in the parent.
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Fixes: http://cygwin.com/ml/cygwin/2013-05/msg00340.html
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- Fix a build problem resulting in Cygwin functions picking up the wrong
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new/delete.
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Fixes: http://cygwin.com/ml/cygwin/2013-05/msg00331.html
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- Fix an incorrect condition which breaks fork after all dlopen'ed DLLs
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have already been dlclose'd.
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Fixes: http://cygwin.com/ml/cygwin/2013-05/msg00376.html
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- Fix buggy usage of NtReadFile when reading from device under /proc/sys.
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Fixes: http://cygwin.com/ml/cygwin/2013-05/msg00392.html
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- Fix an include in <cygwin/if.h> to avoid circular dependency.
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Fixes: http://cygwin.com/ml/cygwin/2013-05/msg00451.html
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