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newlib-cygwin/winsup/cygwin/release/3.1.0

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Cygwin: document the recent FIFO changes
2019-03-28 02:10:18 +08:00
What's new:
-----------
Cygwin: Add console patches to release notes Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2019-04-01 01:36:23 +08:00
- Add 24 bit color support using xterm compatibility mode in Windows 10
1703 or later. Add fake 24 bit color support for legacy console,
which uses the nearest color from 16 system colors.
Cygwin: add W10 pseudo console support to release notes Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2019-08-29 19:56:00 +08:00
- Support pseudo console in PTY. Pseudo console is a new feature
in Windows 10 1809, which provides console APIs on virtual
terminal. With this patch, native console applications can work
in PTYs such as mintty, ssh, gnu screen or tmux.
Cygwin: Implement sched_[gs]etaffinity() This patch set implements the Linux syscalls sched_getaffinity, sched_setaffinity, pthread_getaffinity_np, and pthread_setaffinity_np. Linux has a straightforward view of the cpu sets used in affinity masks. They are simply long (1024-bit) bit masks. This code emulates that view while internally dealing with Windows' distribution of available CPUs among processor groups.
2019-06-24 05:51:06 +08:00
- New APIs: sched_getaffinity, sched_setaffinity, pthread_getaffinity_np,
Cygwin: Implement CPU_SET(3) macros This patch supplies an implementation of the CPU_SET(3) processor affinity macros as documented on the relevant Linux man page. There is a mostly superset implementation of cpusets under newlib's libc/sys/RTEMS/include/sys that has Linux and FreeBSD compatibility and is built on top of FreeBSD bitsets. This Cygwin implementation and the RTEMS one could be combined if desired at some future point.
2019-08-05 06:45:46 +08:00
pthread_setaffinity_np, plus CPU_SET macros.
Cygwin: Implement sched_[gs]etaffinity() This patch set implements the Linux syscalls sched_getaffinity, sched_setaffinity, pthread_getaffinity_np, and pthread_setaffinity_np. Linux has a straightforward view of the cpu sets used in affinity masks. They are simply long (1024-bit) bit masks. This code emulates that view while internally dealing with Windows' distribution of available CPUs among processor groups.
2019-06-24 05:51:06 +08:00
Cygwin: Export newlib ndbm functions Signed-off-by: Corinna Vinschen <corinna-cygwin@cygwin.com>
2019-07-25 04:05:00 +08:00
- New APIs: dbm_clearerr, dbm_close, dbm_delete, dbm_dirfno, dbm_error,
dbm_fetch, dbm_firstkey, dbm_nextkey, dbm_open, dbm_store.
Cygwin: document the recent FIFO changes
2019-03-28 02:10:18 +08:00
Cygwin: add missing bugfix release messages for 3.1.0 Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2019-08-09 23:47:32 +08:00
Cygwin: document the recent FIFO changes
2019-03-28 02:10:18 +08:00
What changed:
-------------
- FIFOs can now be opened multiple times for writing.
Addresses: https://cygwin.com/ml/cygwin/2015-03/msg00047.html
https://cygwin.com/ml/cygwin/2015-12/msg00311.html
Cygwin: add latest signal handling fixes to release notes Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2019-04-07 00:03:22 +08:00
- If a SA_SIGINFO signal handler changes the ucontext_t pointed to by
the third parameter, follow it after returning from the handler.
Rename <xlocale.h> back to <sys/_locale.h> libX11 provides <X11/Xlocale.h>. The build of libX11 itself adds include/X11 to the compiler's include path. This results in a name collision with /usr/include/xlocale.h on case-insensitive filesystems. Commit 90e35b1eb3df renamed sys/_locale.h to xlocale.h in March 2017 under the assumption that we should provide the locale_t type in the same file as on Linux, FreeBSD, and Darwin. A few weeks later (June 2017), glibc removed the xlocale.h file in favor of bits/types/locale_t.h, which shouldn't be included directly anyway. For reference and the reasoning, see https://sourceware.org/git/?p=glibc.git;a=commit;h=f0be25b6336d Given the above, revert 90e35b1eb3df4070e68afc5e7060665214d586be and fix additional usage of xlocale.h.
2019-06-13 04:31:14 +08:00
- Eliminate a header file name collision with <X11/XLocale.h> on case
insensitive filesystems by reverting <xlocale.h> back to <sys/_locale.h>.
Cygwin: document last change
2019-09-16 01:40:12 +08:00
- Allow times(2) to have a NULL argument, as on Linux.
Addresses: https://cygwin.com/ml/cygwin/2019-09/msg00141.html
Cygwin: document recent changes to format_proc_cpuinfo
2019-10-08 04:06:28 +08:00
- Improve /proc/cpuinfo output and align more closely with Linux.
Cygwin: Doc change to note stackdump limit patch
2019-11-08 08:14:05 +08:00
- Raise stackdump frame limit from 16 to 32.
Addresses: https://cygwin.com/ml/cygwin/2019-11/msg00038.html
Cygwin: document the recent FIFO changes
2019-03-28 02:10:18 +08:00
Bug Fixes
---------
Cygwin: Add console patches to release notes Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2019-04-01 01:36:23 +08:00
- Fix select() on console in canonical mode. Return after one line is
completed, instead of when only one key is typed.
- Make console I/O functions thread-safe.
Cygwin: define MSG_EOR and refuse in send(2) Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2019-04-26 00:49:32 +08:00
- Define missing MSG_EOR. It's unsupported by the underlying Winsock
layer so using it in send(2), sendto(2), or sendmsg(2) will return -1
with errno set to EOPNOTSUPP and recvmsg(2) will never return it.
Cygwin: timerfd: avoid a deadlock Add a function timerfd_tracker::enter_critical_section_cancelable, which is like enter_critical_section but honors a cancel event. Call this when a timer expires while the timerfd thread is in its inner loop. This avoids a deadlock if timerfd_tracker::dtor has entered its critical section and is trying to cancel the thread. See https://cygwin.com/ml/cygwin/2019-06/msg00096.html.
2019-06-25 00:28:48 +08:00
Tweak release message
2019-06-26 04:38:39 +08:00
- Fix a timerfd deadlock.
Cygwin: timerfd: avoid a deadlock Add a function timerfd_tracker::enter_critical_section_cancelable, which is like enter_critical_section but honors a cancel event. Call this when a timer expires while the timerfd thread is in its inner loop. This avoids a deadlock if timerfd_tracker::dtor has entered its critical section and is trying to cancel the thread. See https://cygwin.com/ml/cygwin/2019-06/msg00096.html.
2019-06-25 00:28:48 +08:00
Addresses: https://cygwin.com/ml/cygwin/2019-06/msg00096.html
Cygwin: sigpending: don't report pending signals for other threads The sigpending mechanism failed to check if the pending signal was a process-wide signal, or a signal for the curent thread. Fix that by adding a matching conditional to wait_sig's __SIGPENDING code. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2019-07-12 23:18:48 +08:00
- Fix sigpending() incorrectly returning signals for unrelated threads.
Addresses: https://cygwin.com/ml/cygwin/2019-07/msg00051.html
Cygwin: add missing bugfix release messages for 3.1.0 Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2019-08-09 23:47:32 +08:00
- Fix a hang when opening a FIFO with O_PATH.
Addresses: https://cygwin.com/ml/cygwin-developers/2019-06/msg00001.html
- Don't append ".lnk" when renaming a socket file.
Addresses: https://cygwin.com/ml/cygwin/2019-07/msg00139.html
- Make tcsetpgrp() return -1 if its argument is negative.
Addresses: https://cygwin.com/ml/cygwin/2019-07/msg00166.html
- Avoid mistakenly moving a process under debugger control into the
process group of the debugger.
Addresses a problem visible in GDB 8.1.1, related to
https://cygwin.com/ml/cygwin/2019-07/msg00166.html
- Return ENOEXEC from execve for arbitrary files only if the files are
executable.
Addresses: https://cygwin.com/ml/cygwin/2019-08/msg00054.html
- Fix off-by-one in environment evaluation leading to an abort.
Addresses: https://cygwin.com/ml/cygwin-patches/2019-q3/msg00069.html
- Make output of /proc/[PID]/stat consistent with getpriority().
Addresses: https://cygwin.com/ml/cygwin/2019-08/msg00082.html
- 64 bit only: Avoid collisions between memory maps created with shmat
and Windows datastructures during fork.
Addresses: https://cygwin.com/ml/cygwin/2019-08/msg00107.html
Document the last change
2019-09-25 03:31:17 +08:00
- Make rmdir fail if its argument is a symlink.
Addresses: https://cygwin.com/ml/cygwin/2019-09/msg00221.html
Document the last bug fix
2019-09-28 01:36:45 +08:00
- Fix an assertion failure on an invalid path.
Addresses: https://cygwin.com/ml/cygwin/2019-09/msg00228.html
Cygwin: mkdir and rmdir: treat drive names specially If the directory name has the form 'x:' followed by one or more slashes or backslashes, and if there's at least one backslash, assume that the user is referring to 'x:\', the root directory of drive x, and don't strip the backslash. Previously all trailing slashes and backslashes were stripped, and the name was treated as a relative file name containing a literal colon. Addresses https://cygwin.com/ml/cygwin/2019-08/msg00334.html.
2019-09-28 02:00:52 +08:00
- If the argument to mkdir(2) or rmdir(2) is 'x:\', don't strip the
trailing backslash.
Addresses: https://cygwin.com/ml/cygwin/2019-08/msg00334.html
Cygwin: spawnvp, spawnvpe: fail if executable is not in $PATH Call find_exec with the FE_NNF flag to enforce a NULL return when the executable isn't found in $PATH. Convert NULL to "". This aligns spawnvp and spawnvpe with execvp and execvpe.
2019-10-10 04:06:02 +08:00
- Make spawnvp, spawnvpe fail if the executable is not in $PATH.
Addresses: https://cygwin.com/ml/cygwin/2019-10/msg00032.html
Cygwin: fix process parent/child relationship after execve Commit 5a0f2c00aa "Cygwin: fork/exec: fix child process permissions" removed the PROCESS_DUP_HANDLE handle permission of the parent process handle in the child to avoid a security problem. It turned out that this broke the following scenario: If a process forks and then the parent execs, the child loses the ability to register the parent's death. To wit, after the parent died the child process does not set its own PPID to 1 anymore. The current exec mechanism copies required handle values (handles to keep contact to the child processes) into the child_info for the about-to-be-exec'ed process. The exec'ed process is supposed to duplicate these handles. This fails, given that we don't allow the exec'ed process PROCESS_DUP_HANDLE access to the exec'ing process since commit 5a0f2c00aa. The fix is to avoid the DuplicateHandle calls in the exec'ed process. This patch sets the affected handles to "inheritable" in the exec'ing process at exec time. The exec'ed process just copies the handle values and resets handle inheritance to "non-inheritable". The exec'ing process doesn't have to reset handle inheritance, it exits after setting up the exec'ed process anyway. Testcase: $ ssh-agent /bin/sleep 3 ssh-agent forks and the parent exec's sleep. After sleep exits, `ps' should show ssh-agent to have PPID 1, and eventually ssh-agent exits. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2019-11-02 19:49:15 +08:00
- Fix parent/child relationship after parent dies.
Addresses: https://cygwin.com/ml/cygwin/2019-09/msg00263.html
Cygwin: document console helper patch Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2019-11-05 18:57:24 +08:00
- Fix a security problem if Cygwin is installed into a path
with spaces in it.
Addresses: https://cygwin.com/ml/cygwin/2019-11/msg00018.html