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* gh-110850: Cleanup pycore_time.h includes (#115724)Victor Stinner2024-02-201-0/+1
| | | | | <pycore_time.h> include is no longer needed to get the PyTime_t type in internal header files. This type is now provided by <Python.h> include. Add <pycore_time.h> includes to C files instead.
* gh-110850: Replace _PyTime_t with PyTime_t (#115719)Victor Stinner2024-02-201-1/+1
| | | | | Run command: sed -i -e 's!\<_PyTime_t\>!PyTime_t!g' $(find -name "*.c" -o -name "*.h")
* gh-115103: Implement delayed memory reclamation (QSBR) (#115180)Sam Gross2024-02-161-0/+1
| | | | | | This adds a safe memory reclamation scheme based on FreeBSD's "GUS" and quiescent state based reclamation (QSBR). The API provides a mechanism for callers to detect when it is safe to free memory that may be concurrently accessed by readers.
* gh-114570: Add PythonFinalizationError exception (#115352)Victor Stinner2024-02-141-3/+3
| | | | | | | | | | | | | | | | | Add PythonFinalizationError exception. This exception derived from RuntimeError is raised when an operation is blocked during the Python finalization. The following functions now raise PythonFinalizationError, instead of RuntimeError: * _thread.start_new_thread() * subprocess.Popen * os.fork() * os.fork1() * os.forkpty() Morever, _winapi.Overlapped finalizer now logs an unraisable PythonFinalizationError, instead of an unraisable RuntimeError.
* gh-87804: Fix the refleak in error handling of `_pystatvfs_fromstructstatfs` ↵Nikita Sobolev2024-02-121-8/+9
| | | | | (#115335) It was the macro expansion! Sorry!
* gh-87804: Fix error handling and style in `_pystatvfs_fromstructstatfs` ↵Nikita Sobolev2024-02-121-31/+33
| | | | (#115236)
* GH-87804: Fix counter overflow in statvfs on macOS (#99570)Ronald Oussoren2024-02-101-0/+101
| | | | | | | | | | On macOS the statvfs interface returns block counts as 32-bit integers, and that results in bad reporting for larger disks. Therefore reimplement statvfs in terms of statfs, which does use 64-bit integers for block counts. Tested using a sparse filesystem image of 100TB.
* gh-110481: Implement inter-thread queue for biased reference counting (#114824)Sam Gross2024-02-091-0/+4
| | | | | | | | | Biased reference counting maintains two refcount fields in each object: `ob_ref_local` and `ob_ref_shared`. The true refcount is the sum of these two fields. In some cases, when refcounting operations are split across threads, the ob_ref_shared field can be negative (although the total refcount must be at least zero). In this case, the thread that decremented the refcount requests that the owning thread give up ownership and merge the refcount fields.
* gh-112066: Use `PyDict_SetDefaultRef` in place of `PyDict_SetDefault`. (#112211)Sam Gross2024-02-071-1/+1
| | | | | This changes a number of internal usages of `PyDict_SetDefault` to use `PyDict_SetDefaultRef`. Co-authored-by: Erlend E. Aasland <erlend.aasland@protonmail.com>
* gh-82626: Emit a warning when bool is used as a file descriptor (GH-111275)Serhiy Storchaka2024-02-051-0/+7
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* gh-85984: Add POSIX pseudo-terminal functions. (GH-102413)Soumendra Ganguly2024-01-291-0/+147
| | | | | Signed-off-by: Soumendra Ganguly <soumendraganguly@gmail.com> Co-authored-by: Gregory P. Smith <greg@krypto.org> Co-authored-by: Petr Viktorin <encukou@gmail.com>
* gh-111877: Fixes stat() handling for inaccessible files on Windows (GH-113716)Steve Dower2024-01-121-6/+10
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* gh-77046: os.pipe() sets _O_NOINHERIT flag on fds (#113817)Victor Stinner2024-01-101-2/+2
| | | | | | | | On Windows, set _O_NOINHERIT flag on file descriptors created by os.pipe() and io.WindowsConsoleIO. Add test_pipe_spawnl() to test_os. Co-authored-by: Zackery Spytz <zspytz@gmail.com>
* gh-113536: Expose `os.waitid` on macOS (#113542)Ronald Oussoren2024-01-011-7/+7
| | | | | | | | | * gh-113536: Expose `os.waitid` on macOS This API has been available on macOS for a long time, but was explicitly excluded due to unspecified problems with the API in ancient versions of macOS. * Document that the API is available on macOS starting in Python 3.13
* bpo-11102: Make configure enable major(), makedev(), and minor() on HP-UX ↵Zackery Spytz2023-12-281-4/+5
| | | | | | | (GH-19856) Always include <sys/types.h> before <sys/sysmacros.h>. Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* gh-113191: Add support of os.fchmod() on Windows (GH-113192)Serhiy Storchaka2023-12-241-24/+56
| | | | Also support a file descriptor in os.chmod().
* gh-113119: Fix the macOS framework installer build (#113268)Gregory P. Smith2023-12-191-1/+10
| | | `--enable-framework` builds were failing. we apparently do not have good CI & buildbot coverage here.
* gh-113117: Support posix_spawn in subprocess.Popen with close_fds=True (#113118)Jakub Kulík2023-12-171-0/+24
| | | | | | | | Add support for `os.POSIX_SPAWN_CLOSEFROM` and `posix_spawn_file_actions_addclosefrom_np` and have the `subprocess` module use them when available. This means `posix_spawn` can now be used in the default `close_fds=True` situation on many platforms. Co-authored-by: Gregory P. Smith [Google LLC] <greg@krypto.org>
* gh-113119 fix environment handling in subprocess.Popen when posix_spawn is ↵Jakub Kulík2023-12-171-6/+10
| | | | | | | used (#113120) * Allow posix_spawn to inherit environment form parent environ variable. With this change, posix_spawn call can behave similarly to execv with regards to environments when used in subprocess functions.
* gh-59616: Support os.chmod(follow_symlinks=True) and os.lchmod() on Windows ↵Serhiy Storchaka2023-12-141-18/+65
| | | | (GH-113049)
* gh-112730: Use color to highlight error locations (gh-112732)Pablo Galindo Salgado2023-12-061-0/+22
| | | | Signed-off-by: Pablo Galindo <pablogsal@gmail.com> Co-authored-by: Łukasz Langa <lukasz@langa.pl>
* gh-112567: Add _Py_GetTicksPerSecond() function (#112587)Victor Stinner2023-12-011-25/+28
| | | | | | | | | | * Move _PyRuntimeState.time to _posixstate.ticks_per_second and time_module_state.ticks_per_second. * Add time_module_state.clocks_per_second. * Rename _PyTime_GetClockWithInfo() to py_clock(). * Rename _PyTime_GetProcessTimeWithInfo() to py_process_time(). * Add process_time_times() helper function, called by py_process_time(). * os.times() is now always built: no longer rely on HAVE_TIMES.
* gh-111841: Fix os.putenv() and os.unsetenv() with embedded NUL on Windows ↵Serhiy Storchaka2023-11-101-1/+6
| | | | (GH-111842)
* GH-111804: Drop posix.fallocate() under WASI (GH-111869)Brett Cannon2023-11-091-2/+5
| | | | | | | Drop posix.fallocate() under WASI. The underlying POSIX function, posix_fallocate(), was found to vary too much between implementations to remain in WASI. As such, while it was available in WASI preview1, it's been dropped in preview2.
* gh-90026: support XATTRs on Cygwin (GH-105075)Philippe Cerfon2023-11-031-3/+9
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* GH-111293: Fix DirEntry.inode dropping higher bits on Windows (GH-111294)zcxsythenew2023-10-261-3/+3
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* gh-110093: Replace trivial Py_BuildValue() with direct C API call (GH-110094)Serhiy Storchaka2023-10-201-5/+5
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* gh-109595: Add -Xcpu_count=<n> cmdline for container users (#109667)Donghee Na2023-10-101-2/+6
| | | | | | --------- Co-authored-by: Victor Stinner <vstinner@python.org> Co-authored-by: Gregory P. Smith [Google LLC] <greg@krypto.org>
* gh-108277: Add os.timerfd_create() function (#108382)Masaru Tsuchiyama2023-10-071-0/+248
| | | | | | | | Add wrapper for timerfd_create, timerfd_settime, and timerfd_gettime to os module. Co-authored-by: Serhiy Storchaka <storchaka@gmail.com> Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com> Co-authored-by: Erlend E. Aasland <erlend.aasland@protonmail.com> Co-authored-by: Victor Stinner <vstinner@python.org>
* gh-82367: Use `FindFirstFile` Win32 API in `ntpath.realpath()` (GH-110298)박문식2023-10-051-0/+32
| | | | | | | * Use `FindFirstFile` Win32 API to fix a bug where `ntpath.realpath()` breaks out of traversing a series of paths where a (handled) `ERROR_ACCESS_DENIED` or `ERROR_SHARING_VIOLATION` occurs. * Update docs to reflect that `ntpath.realpath()` eliminates MS-DOS style names.
* gh-109649: Add os.process_cpu_count() function (#109907)Victor Stinner2023-09-301-31/+42
| | | | | | | | | * Refactor os_sched_getaffinity_impl(): move variable definitions to their first assignment. * Fix test_posix.test_sched_getaffinity(): restore the old CPU mask when the test completes! * Doc: Specify that os.cpu_count() counts *logicial* CPUs. * Doc: Specify that os.sched_getaffinity(0) is related to the calling thread.
* gh-110014: Include explicitly <unistd.h> header (#110155)Victor Stinner2023-09-301-5/+4
| | | | | | | | | | | * Remove unused <locale.h> includes. * Remove unused <fcntl.h> include in traceback.h. * Remove redundant <assert.h> and <stddef.h> includes. They are already included by "Python.h". * Remove <object.h> include in faulthandler.c. Python.h already includes it. * Add missing <stdbool.h> in pycore_pythread.h if HAVE_PTHREAD_STUBS is defined. * Fix also warnings in pthread_stubs.h: don't redefine macros if they are already defined, like the __NEED_pthread_t macro.
* gh-110079: Remove extern "C" { ...} in C code (#110080)Victor Stinner2023-09-291-8/+0
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* gh-109782: Ensure `os.path.isdir` has the same signature on all platforms ↵Amin Alaee2023-09-281-5/+5
| | | | (GH-109790)
* gh-109613: _pystat_fromstructstat() checks for exceptions (#109618)Victor Stinner2023-09-211-49/+72
| | | | | | | | | | | | | Fix os.stat() and os.DirEntry.stat(): check for exceptions. Previously, on Python built in debug mode, these functions could trigger a fatal Python error (and abort the process) when a function succeeded with an exception set. _pystat_fromstructstat() now exits immediately if an exception is raised, rather only checking for exceptions at the end. It fix following fatal error in fill_time(): Fatal Python error: _Py_CheckSlotResult: Slot * of type int succeeded with an exception set
* gh-109033: Return filename with os.utime errors (#109034)Ronan Pigott2023-09-191-7/+2
| | | | | | | The filename was previously intentionally omitted from exception because "it might confuse the user". Uncaught exceptions are not generally a replacement for user-facing error messages, so obscuring this information only has the effect of making the programmer's life more difficult.
* gh-108717: Speedup `os.DirEntry.is_junction` function (#108718)Nikita Sobolev2023-09-061-4/+2
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* gh-108765: Python.h no longer includes <sys/time.h> (#108775)Victor Stinner2023-09-021-0/+4
| | | | | | | | | Python.h no longer includes <time.h>, <sys/select.h> and <sys/time.h> standard header files. * Add <time.h> include to xxsubtype.c. * Add <sys/time.h> include to posixmodule.c and semaphore.c. * readline.c includes <sys/select.h> instead of <sys/time.h>. * resource.c no longer includes <time.h> and <sys/time.h>.
* gh-108765: Python.h no longer includes <unistd.h> (#108783)Victor Stinner2023-09-021-1/+1
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* gh-108765: Remove old prototypes from pyport.h (#108782)Victor Stinner2023-09-021-0/+7
| | | | | | | Move prototypes of gethostname(), _getpty() and struct termios from pyport.h to the C code using them: posixmodule.c, socketmodule.c and termios.c. Replace "#ifdef SOLARIS" with "#ifdef __sun".
* gh-107913: Fix possible losses of OSError error codes (GH-107930)Serhiy Storchaka2023-08-261-43/+85
| | | | | | Functions like PyErr_SetFromErrno() and SetFromWindowsErr() should be called immediately after using the C API which sets errno or the Windows error code.
* gh-106320: Remove private AC converter functions (#108505)Victor Stinner2023-08-261-0/+1
| | | | | | | | | | | | | | Move these private functions to the internal C API (pycore_abstract.h): * _Py_convert_optional_to_ssize_t() * _PyNumber_Index() Argument Clinic now emits #include "pycore_abstract.h" when these functions are used. The parser of the c-analyzer tool now uses a list of files which use the limited C API, rather than a list of files using the internal C API.
* gh-108444: Replace _PyLong_AsInt() with PyLong_AsInt() (#108459)Victor Stinner2023-08-241-3/+3
| | | | | | Change generated by the command: sed -i -e 's!_PyLong_AsInt!PyLong_AsInt!g' \ $(find -name "*.c" -o -name "*.h")
* gh-107801: Improve the accuracy of os.lseek docs (#107935)Erlend E. Aasland2023-08-181-4/+9
| | | | | | | | - name the last parameter *whence*, like it is for seek() methods on file objects - add param docstrings - structure the valid *whence* params Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
* gh-106242: Fix path truncation in os.path.normpath (GH-106816)Finn Womack2023-08-151-1/+3
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* gh-106881: Check for linux/limits.h before including it (#107397)justdan62023-07-281-1/+1
| | | | | * Check for linux/limits.h before including it Co-authored-by: Erlend E. Aasland <erlend.aasland@protonmail.com>
* gh-106869: Use new PyMemberDef constant names (#106871)Victor Stinner2023-07-251-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Remove '#include "structmember.h"'. * If needed, add <stddef.h> to get offsetof() function. * Update Parser/asdl_c.py to regenerate Python/Python-ast.c. * Replace: * T_SHORT => Py_T_SHORT * T_INT => Py_T_INT * T_LONG => Py_T_LONG * T_FLOAT => Py_T_FLOAT * T_DOUBLE => Py_T_DOUBLE * T_STRING => Py_T_STRING * T_OBJECT => _Py_T_OBJECT * T_CHAR => Py_T_CHAR * T_BYTE => Py_T_BYTE * T_UBYTE => Py_T_UBYTE * T_USHORT => Py_T_USHORT * T_UINT => Py_T_UINT * T_ULONG => Py_T_ULONG * T_STRING_INPLACE => Py_T_STRING_INPLACE * T_BOOL => Py_T_BOOL * T_OBJECT_EX => Py_T_OBJECT_EX * T_LONGLONG => Py_T_LONGLONG * T_ULONGLONG => Py_T_ULONGLONG * T_PYSSIZET => Py_T_PYSSIZET * T_NONE => _Py_T_NONE * READONLY => Py_READONLY * PY_AUDIT_READ => Py_AUDIT_READ * READ_RESTRICTED => Py_AUDIT_READ * PY_WRITE_RESTRICTED => _Py_WRITE_RESTRICTED * RESTRICTED => (READ_RESTRICTED | _Py_WRITE_RESTRICTED)
* Docs: fix typo in os.pwrite docstring (#107087)Jérôme Carretero2023-07-231-2/+2
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* gh-86493: Fix possible leaks in some modules initialization (GH-106768)Serhiy Storchaka2023-07-181-8/+4
| | | | Fix _ssl, _stat, _testinternalcapi, _threadmodule, cmath, math, posix, time.
* gh-86493: Fix possible leaks in modules initialization: _curses_panel, ↵Serhiy Storchaka2023-07-181-37/+22
| | | | _decimal, posix, xxsubtype (GH-106767)
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