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* shm.cc (shmget): Fetch segment size from server rather than using size argument to accommodate existing segments. Add comment to explain why. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
64 lines
2.3 KiB
Plaintext
64 lines
2.3 KiB
Plaintext
What's new:
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- New, unified implementation of POSIX permission and ACL handling. The
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new ACLs now store the POSIX ACL MASK/CLASS_OBJ permission mask, and
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they allow to inherit the S_ISGID bit. ACL inheritance now really
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works as desired, in a limited, but theoretically equivalent fashion
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even for non-Cygwin processes.
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To accommodate Windows default ACLs, the new code ignores SYSTEM and
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Administrators group permissions when computing the MASK/CLASS_OBJ
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permission mask on old ACLs, and it doesn't deny access to SYSTEM and
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Administrators group based on the value of MASK/CLASS_OBJ when
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creating the new ACLs.
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The new code now handles the S_ISGID bit on directories as on Linux:
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Setting S_ISGID on a directory causes new files and subdirs created
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within to inherit its group, rather than the primary group of the user
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who created the file. This only works for files and directories
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created by Cygwin processes.
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- basename(3) now comes in two flavors, POSIX and GNU. The POSIX version is
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the default. You get the GNU version after
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#define _GNU_SOURCE
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#include <string.h>
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What changed:
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-------------
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- The maximum number of PTYs has been raised from 64 to 128.
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Bug Fixes
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---------
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- Fix potential hang in pseudo ttys when generating ECHO output while the slave
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is flooding the pty with output.
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Addresses: https://cygwin.com/ml/cygwin/2015-03/msg00019.html
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- Fix potential premature SIGHUP in pty code.
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Addresses: https://cygwin.com/ml/cygwin/2015-03/msg00070.html
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- Fix a name change from symlink to target name in calls to execvp, system, etc.
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Addresses: https://cygwin.com/ml/cygwin/2015-03/msg00270.html
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- Fix internal error in pty -ONLCR handling. Fix timing bug in pty OPOST
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handling.
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Addresses: https://cygwin.com/ml/cygwin/2015-02/msg00929.html
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- Avoid creating passwd and group records from fully qualified Windows
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account names (domain\name, name@domain).
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Addresses: https://cygwin.com/ml/cygwin/2015-03/msg00528.html
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- Avoid potential crash at startup or in getgroups(2).
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Addresses: https://cygwin.com/ml/cygwin/2015-04/msg00010.html
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- Fix UTF-16 surrogate handling in wctomb and friends.
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Addresses: https://cygwin.com/ml/cygwin/2015-03/msg00452.html
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- Fix shmget usage of size parameter for already existing segments.
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Addresses: https://cygwin.com/ml/cygwin/2015-04/msg00105.html
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