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* [3.9] gh-112275: Fix HEAD_LOCK deadlock in child process after fork ↵Łukasz Langa2024-09-041-1/+1
| | | | | | | | | (GH-112336) (#123688) HEAD_LOCK is called from _PyEval_ReInitThreads->_PyThreadState_DeleteExcept before _PyRuntimeState_ReInitThreads reinit runtime->interpreters.mutex which might be locked before fork. (cherry picked from commit 522799a05e3e820339718151ac055af6d864d463) Co-authored-by: ChuBoning <102216855+ChuBoning@users.noreply.github.com>
* [3.9] gh-118486: Support mkdir(mode=0o700) on Windows (GH-118488) (GH-118741)Steve Dower2024-05-241-3/+41
| | | Co-authored-by: Łukasz Langa <lukasz@langa.pl>
* [3.9] gh-97897: Prevent os.mkfifo and os.mknod segfaults with macOS 13 SDK ↵Miss Islington (bot)2022-10-061-8/+52
| | | | | | | | | | | | | (GH-97944) (#97968) The macOS 13 SDK includes support for the `mkfifoat` and `mknodat` system calls. Using the `dir_fd` option with either `os.mkfifo` or `os.mknod` could result in a segfault if cpython is built with the macOS 13 SDK but run on an earlier version of macOS. Prevent this by adding runtime support for detection of these system calls ("weaklinking") as is done for other newer syscalls on macOS. (cherry picked from commit 6d0a0191a4e5477bd843e62c24d7f3bcad4fd5fc) Co-authored-by: Ned Deily <nad@python.org>
* bpo-46785: Fix race condition between os.stat() and unlink on Windows (GH-31858)Itai Steinherz2022-05-091-1/+11
| | | | | | * [3.9] bpo-46785: Fix race condition between os.stat() and unlink on Windows (GH-31858). (cherry picked from commit 39e6b8ae6a5b49bb23746fdcc354d148ff2d98e3) Co-authored-by: Itai Steinherz <itaisteinherz@gmail.com>
* [3.9] bpo-41498: Fix build on platforms without sigset_t (GH-29770) (GH-29774)Christian Heimes2021-11-251-0/+8
| | | Co-authored-by: Christian Heimes <christian@python.org>
* bpo-44219: Release the GIL during isatty syscalls (GH-28250)Miss Islington (bot)2021-09-091-0/+2
| | | | | | | | | Release the GIL while performing isatty() system calls on arbitrary file descriptors. In particular, this affects os.isatty(), os.device_encoding() and io.TextIOWrapper. By extension, io.open() in text mode is also affected. (cherry picked from commit 06148b1870fceb1a21738761b8e1ac3bf654319b) Co-authored-by: Vincent Michel <vxgmichel@gmail.com>
* bpo-38822: Check specifically for a drive, not just a colon (GH-25540)Miss Islington (bot)2021-04-221-2/+2
| | | | | (cherry picked from commit e07d8098892e85ecc56969d2c9a5afb3ea33ce8f) Co-authored-by: Steve Dower <steve.dower@python.org>
* bpo-38822: Fixed os.stat failing on inaccessible directories. (GH-25527)Miss Islington (bot)2021-04-221-2/+21
| | | | | | It would just fail if the path was inaccessible and had a trailing slash. It should fall back to the parent directory's metadata. (cherry picked from commit fe63a401a9b3ca1751b81b5d6ddb2beb7f3675c1) Co-authored-by: Steve Dower <steve.dower@python.org>
* bpo-43105: Importlib now resolves relative paths when creating module spec ↵Steve Dower2021-04-071-0/+49
| | | | objects from file locations (GH-25121)
* bpo-43499: Silence compiler warnings about using legacy C API on Windows ↵Serhiy Storchaka2021-03-161-0/+12
| | | | (GH-24873)
* bpo-42692: fix __builtin_available check on older compilers (GH-23873) ↵Miss Islington (bot)2021-01-041-1/+7
| | | | | | | | | | | | (GH-24090) A compiler that doesn't define `__has_builtin` will error out when it is used on the same line as the check for it. Automerge-Triggered-By: GH:ronaldoussoren (cherry picked from commit df21f502fdccec234282bf0a211af979fd23def4) Co-authored-by: Joshua Root <jmr@macports.org>
* bpo-42655: Fix subprocess extra_groups gid conversion (GH-23762)Miss Islington (bot)2020-12-291-4/+4
| | | | | (cherry picked from commit 0159e5efeebd12b3cf365c8569ca000eac7cb03e) Co-authored-by: Jakub Kulík <Kulikjak@gmail.com>
* [3.9] bpo-41100: Support macOS 11 and Apple Silicon (GH-22855) (GH-23295)Ronald Oussoren2020-11-221-176/+649
| | | | | | | | | | | | | | | | | | | | * [3.9] bpo-41100: Support macOS 11 and Apple Silicon (GH-22855) Co-authored-by: Lawrence D’Anna <lawrence_danna@apple.com> * Add support for macOS 11 and Apple Silicon (aka arm64) As a side effect of this work use the system copy of libffi on macOS, and remove the vendored copy * Support building on recent versions of macOS while deploying to older versions This allows building installers on macOS 11 while still supporting macOS 10.9.. (cherry picked from commit 41761933c1c30bb6003b65eef1ba23a83db4eae4) Co-authored-by: Ronald Oussoren <ronaldoussoren@mac.com> * Back port of changes to _decimal to support arm64 * temp_dir is in test.support in 3.9
* bpo-42237: Fix os.sendfile() on illumos (GH-23154)Miss Islington (bot)2020-11-121-0/+15
| | | | | (cherry picked from commit fd4ed57674c675e05bd5d577dd5047a333c76c78) Co-authored-by: Jakub Stasiak <jakub@stasiak.at>
* bpo-41687: Fix error handling in Solaris sendfile implementation (GH-22128)Miss Islington (bot)2020-09-161-3/+2
| | | | | | | | | | I just realized that my recent PR with sendfile on Solaris ([PR 22040](https://github.com/python/cpython/pull/22040)) has broken error handling. Sorry for that, this simple followup fixes that. Automerge-Triggered-By: @1st1 (cherry picked from commit fa8c9e70104b0aef966a518eb3a80a4881906ae0) Co-authored-by: Jakub Kulík <Kulikjak@gmail.com>
* [3.9] bpo-41687: Fix sendfile implementation to work with Solaris (GH-22040) ↵Łukasz Langa2020-09-161-0/+19
| | | | | | | (GH-22273) (cherry picked from commit 8c0be6fd9101746235b63ddfb84106d1e9ca286b) Co-authored-by: Jakub Kulík <Kulikjak@gmail.com>
* bpo-40653: Move _dirnameW out of #ifdef HAVE_SYMLINK/#endif (GH-20144)Minmin Gong2020-05-181-2/+6
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* bpo-40549: posixmodule.c uses defining_class (GH-20075)Victor Stinner2020-05-141-81/+97
| | | | | | | | | Pass PEP 573 defining_class to os.DirEntry methods. The module state is now retrieve from defining_class rather than Py_TYPE(self), to support subclasses (even if DirEntry doesn't support subclasses yet). * Pass the module rather than defining_class to DirEntry_fetch_stat(). * Only get the module state once in _posix_clear(), _posix_traverse() and _posixmodule_exec().
* bpo-40549: Convert posixmodule.c to multiphase init (GH-19982)Victor Stinner2020-05-101-117/+134
| | | | | | | | | | | | | | | Convert posixmodule.c ("posix" or "nt" module) to the multiphase initialization (PEP 489). * Create the module using PyModuleDef_Init(). * Create ScandirIteratorType and DirEntryType with the new PyType_FromModuleAndSpec() (PEP 573) * Get the module state from ScandirIteratorType and DirEntryType with the new PyType_GetModule() (PEP 573) * Pass module to functions which access the module state. * convert_sched_param() gets a new module parameter. It is now called directly since Argument Clinic doesn't support passing the module to an argument converter callback. * Remove _posixstate_global macro.
* bpo-40453: Add PyConfig._isolated_subinterpreter (GH-19820)Victor Stinner2020-05-011-3/+4
| | | | | | | | | An isolated subinterpreter cannot spawn threads, spawn a child process or call os.fork(). * Add private _Py_NewInterpreter(isolated_subinterpreter) function. * Add isolated=True keyword-only parameter to _xxsubinterpreters.create(). * Allow again os.fork() in "non-isolated" subinterpreters.
* bpo-38061: os.closerange() uses closefrom() on FreeBSD (GH-19696)Victor Stinner2020-04-241-7/+20
| | | | | | | | | On FreeBSD, os.closerange(fd_low, fd_high) now calls closefrom(fd_low) if fd_high is greater than or equal to sysconf(_SC_OPEN_MAX). Initial patch by Ed Maste (emaste), Conrad Meyer (cem), Kyle Evans (kevans) and Kubilay Kocak (koobs): https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=242274
* bpo-40138: Fix Windows os.waitpid() for large exit code (GH-19637)Victor Stinner2020-04-221-6/+29
| | | | | | | | Fix the Windows implementation of os.waitpid() for exit code larger than "INT_MAX >> 8". The exit status is now interpreted as an unsigned number. os.waitstatus_to_exitcode() now accepts wait status larger than INT_MAX.
* bpo-40178: Convert the remaining os functions to Argument Clinic. (GH-19360)Serhiy Storchaka2020-04-181-124/+157
| | | | | Convert os.getgrouplist(), os.initgroups(), os.sendfile() and os.get_terminal_size().
* bpo-40268: Reformat posixmodule.c includes (GH-19536)Victor Stinner2020-04-151-172/+166
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* bpo-40268: Remove unused osdefs.h includes (GH-19532)Victor Stinner2020-04-151-3/+3
| | | When the include is needed, add required symbol in a comment.
* bpo-40268: Remove unused structmember.h includes (GH-19530)Victor Stinner2020-04-151-4/+4
| | | | | | If only offsetof() is needed: include stddef.h instead. When structmember.h is used, add a comment explaining that PyMemberDef is used.
* bpo-40268: Remove explicit pythread.h includes (#19529)Victor Stinner2020-04-151-1/+0
| | | | Remove explicit pythread.h includes: it is always included by Python.h.
* bpo-40268: Remove a few pycore_pystate.h includes (GH-19510)Victor Stinner2020-04-141-1/+1
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* bpo-40268: Rename _PyInterpreterState_GET_UNSAFE() (GH-19509)Victor Stinner2020-04-141-7/+7
| | | | | | | Rename _PyInterpreterState_GET_UNSAFE() to _PyInterpreterState_GET() for consistency with _PyThreadState_GET() and to have a shorter name (help to fit into 80 columns). Add also "assert(tstate != NULL);" to the function.
* bpo-39481: Make os.DirEntry generic (GH-19415)Batuhan Taşkaya2020-04-071-0/+2
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* bpo-40089: Add _at_fork_reinit() method to locks (GH-19195)Victor Stinner2020-04-071-1/+2
| | | | | | | | | | | | | | | Add a private _at_fork_reinit() method to _thread.Lock, _thread.RLock, threading.RLock and threading.Condition classes: reinitialize the lock after fork in the child process; reset the lock to the unlocked state. Rename also the private _reset_internal_locks() method of threading.Event to _at_fork_reinit(). * Add _PyThread_at_fork_reinit() private function. It is excluded from the limited C API. * threading.Thread._reset_internal_locks() now calls _at_fork_reinit() on self._tstate_lock rather than creating a new Python lock object.
* bpo-40190: Add support for _SC_AIX_REALMEM in sysconf (GH-19380)Batuhan Taşkaya2020-04-051-0/+3
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* bpo-40094: Add os.waitstatus_to_exitcode() (GH-19201)Victor Stinner2020-04-011-0/+79
| | | | | | | | | | | | | | Add os.waitstatus_to_exitcode() function to convert a wait status to an exitcode. Suggest waitstatus_to_exitcode() usage in the documentation when appropriate. Use waitstatus_to_exitcode() in: * multiprocessing, os, subprocess and _bootsubprocess modules; * test.support.wait_process(); * setup.py: run_command(); * and many tests.
* bpo-40014: Fix os.getgrouplist() (GH-19126)Victor Stinner2020-03-241-22/+25
| | | | | | | | Fix os.getgrouplist(): if getgrouplist() function fails because the group list is too small, retry with a larger group list. On failure, the glibc implementation of getgrouplist() sets ngroups to the total number of groups. For other implementations, double the group list size.
* bpo-40014: Fix os.getgrouplist() on macOS (GH-19118)Victor Stinner2020-03-231-0/+19
| | | | | On macOS, getgrouplist() returns a non-zero value without setting errno if the group list is too small. Double the list size and call it again in this case.
* bpo-39968: Convert extension modules' macros of get_module_state() to inline ↵Hai Shi2020-03-161-43/+50
| | | | functions (GH-19017)
* bpo-39947: Use _PyInterpreterState_GET_UNSAFE() (GH-18978)Victor Stinner2020-03-131-7/+7
| | | | | | | Replace _PyInterpreterState_Get() function call with _PyInterpreterState_GET_UNSAFE() macro which is more efficient but don't check if tstate or interp is NULL. _Py_GetConfigsAsDict() now uses _PyThreadState_GET().
* bpo-39573: Use Py_IS_TYPE() macro to check for types (GH-18809)Andy Lester2020-03-061-2/+1
| | | Co-authored-by: Victor Stinner <vstinner@python.org>
* bpo-39184: Add audit events to functions in `fcntl`, `msvcrt`, `os`, ↵Saiyang Gou2020-02-131-17/+134
| | | | `resource`, `shutil`, `signal`, `syslog` (GH-18407)
* bpo-39184: Add audit events to command execution functions in os and pty ↵Saiyang Gou2020-02-051-7/+42
| | | | modules (GH-17824)
* bpo-39395: putenv() and unsetenv() always available (GH-18135)Victor Stinner2020-01-241-79/+4
| | | | | | | | The os.putenv() and os.unsetenv() functions are now always available. On non-Windows platforms, Python now requires setenv() and unsetenv() functions to build. Remove putenv_dict from posixmodule.c: it's not longer needed.
* bpo-39413: Implement os.unsetenv() on Windows (GH-18163)Victor Stinner2020-01-241-38/+69
| | | The os.unsetenv() function is now also available on Windows.
* bpo-39406: Implement os.putenv() with setenv() if available (GH-18128)Victor Stinner2020-01-221-18/+20
| | | | | If setenv() C function is available, os.putenv() is now implemented with setenv() instead of putenv(), so Python doesn't have to handle the environment variable memory.
* bpo-39406: os.putenv() avoids putenv_dict on Windows (GH-18126)Victor Stinner2020-01-221-2/+6
| | | | Windows: _wputenv(env) copies the *env* string and doesn't require the caller to manage the variable memory.
* Revert "bpo-39413: Implement os.unsetenv() on Windows (GH-18104)" (GH-18124)Victor Stinner2020-01-221-45/+1
| | | This reverts commit 56cd3710a1ea3ba872d345ea1bebc86ed08bc8b8.
* bpo-39406: Add PY_PUTENV_DICT macro to posixmodule.c (GH-18106)Victor Stinner2020-01-211-15/+37
| | | Rename posix_putenv_garbage to putenv_dict.
* bpo-39413: Implement os.unsetenv() on Windows (GH-18104)Victor Stinner2020-01-211-1/+43
| | | | | The os.unsetenv() function is now also available on Windows. It is implemented with SetEnvironmentVariableW(name, NULL).
* bpo-37931: Fix crash on OSX re-initializing os.environ (GH-15428)Benoit Hudson2019-12-061-5/+5
| | | | | | | | | | On most platforms, the `environ` symbol is accessible everywhere. In a dylib on OSX, it's not easily accessible, you need to find it with _NSGetEnviron. The code was caching the *value* of environ. But a setenv() can change the value, leaving garbage at the old value. Fix: don't cache the value of environ, just read it every time.
* closes bpo-38803: Fix leak in posixmodule. (GH-17373)Eddie Elizondo2019-11-261-0/+1
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* closes bpo-38713: Expose P_PIDFD in os if it's defined. (GH-17071)Benjamin Peterson2019-11-061-0/+6
| | | https://bugs.python.org/issue38713
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