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Alexey Izbyshev c1e46e94de bpo-32777: Fix _Py_set_inheritable async-safety in subprocess (GH-5560) 
Fix a rare but potential pre-exec child process deadlock in subprocess on POSIX systems when marking file descriptors inheritable on exec in the child process.  This bug appears to have been introduced in 3.4 with the inheritable file descriptors support.

This also changes Python/fileutils.c `set_inheritable` to use the "slow" two `fcntl` syscall path instead of the "fast" single `ioctl` syscall path when asked to be async signal safe (by way of being asked not to raise exceptions).  `ioctl` is not a POSIX async-signal-safe approved function.

ref: http://pubs.opengroup.org/onlinepubs/9699919799/functions/V2_chap02.html
2018-02-05 22:09:34 -08:00
..
internal Revert "bpo-31356: Add context manager to temporarily disable GC GH-5495 2018-02-02 09:31:06 -05:00
abstract.h Fix PyObject_Hash signature in comment (#4905) 2017-12-16 21:08:05 +02:00
accu.h
asdl.h
ast.h String annotations [PEP 563] (#4390) 2018-01-26 08:20:18 -08:00
bitset.h bpo-32150: Expand tabs to spaces in C files. (#4583) 2017-11-28 17:56:10 +02:00
bltinmodule.h
boolobject.h
bytearrayobject.h
bytes_methods.h bpo-32677: Add .isascii() to str, bytes and bytearray (GH-5342) 2018-01-27 14:06:21 +09:00
bytesobject.h bpo-32150: Expand tabs to spaces in C files. (#4583) 2017-11-28 17:56:10 +02:00
cellobject.h bpo-32150: Expand tabs to spaces in C files. (#4583) 2017-11-28 17:56:10 +02:00
ceval.h bpo-32591: Add native coroutine origin tracking (#5250) 2018-01-21 09:44:07 -05:00
classobject.h bpo-32150: Expand tabs to spaces in C files. (#4583) 2017-11-28 17:56:10 +02:00
code.h String annotations [PEP 563] (#4390) 2018-01-26 08:20:18 -08:00
codecs.h
compile.h String annotations [PEP 563] (#4390) 2018-01-26 08:20:18 -08:00
complexobject.h
context.h bpo-32436: Implement PEP 567 (#5027) 2018-01-22 19:11:18 -05:00
datetime.h bpo-10381: Add timezone to datetime C API (#5032) 2018-01-24 17:29:30 -05:00
descrobject.h bpo-32240: Add the const qualifier to declarations of PyObject* array arguments. (#4746) 2017-12-15 13:11:11 +02:00
dictobject.h bpo-15695: Add PyAPI_FUNC() to _PyDict_SizeOf() declaration. (#639) 2017-03-12 14:15:54 +02:00
dtoa.h
dynamic_annotations.h
enumobject.h
errcode.h bpo-32150: Expand tabs to spaces in C files. (#4583) 2017-11-28 17:56:10 +02:00
eval.h bpo-32240: Add the const qualifier to declarations of PyObject* array arguments. (#4746) 2017-12-15 13:11:11 +02:00
fileobject.h bpo-29240: PEP 540: Add a new UTF-8 Mode (#855) 2017-12-13 12:29:09 +01:00
fileutils.h bpo-32777: Fix _Py_set_inheritable async-safety in subprocess (GH-5560) 2018-02-05 22:09:34 -08:00
floatobject.h
frameobject.h Move exc state to generator. Fixes bpo-25612 (#1773) 2017-10-22 23:41:51 +02:00
funcobject.h bpo-32240: Add the const qualifier to declarations of PyObject* array arguments. (#4746) 2017-12-15 13:11:11 +02:00
genobject.h bpo-32591: Add native coroutine origin tracking (#5250) 2018-01-21 09:44:07 -05:00
graminit.h bpo-30406: Make async and await proper keywords (#1669) 2017-10-05 23:24:46 -04:00
grammar.h bpo-32150: Expand tabs to spaces in C files. (#4583) 2017-11-28 17:56:10 +02:00
import.h rename _imp initialization function to follow conventions (#5432) 2018-01-29 11:33:57 -08:00
intrcheck.h bpo-16500: Allow registering at-fork handlers (#1715) 2017-05-27 17:50:54 +02:00
iterobject.h
listobject.h bpo-29867: Add asserts in PyTuple_GET_SIZE, PyList_GET_SIZE and PySet_GET_SIZE. (#751) 2017-04-22 01:48:11 +02:00
longintrepr.h bpo-32150: Expand tabs to spaces in C files. (#4583) 2017-11-28 17:56:10 +02:00
longobject.h bpo-29878: Add global instances of int for 0 and 1. (#852) 2017-03-30 09:09:41 +03:00
marshal.h
memoryobject.h
metagrammar.h
methodobject.h bpo-32240: Add the const qualifier to declarations of PyObject* array arguments. (#4746) 2017-12-15 13:11:11 +02:00
modsupport.h bpo-32240: Add the const qualifier to declarations of PyObject* array arguments. (#4746) 2017-12-15 13:11:11 +02:00
moduleobject.h
namespaceobject.h
node.h bpo-32150: Expand tabs to spaces in C files. (#4583) 2017-11-28 17:56:10 +02:00
object.h bpo-32571: Avoid raising unneeded AttributeError and silencing it in C code (GH-5222) 2018-01-25 17:49:40 +09:00
objimpl.h bpo-32030: Add pymain_get_global_config() (#4735) 2017-12-06 17:26:10 +01:00
odictobject.h bpo-29084: Exclude C API for OrderedDict from the limited C API. (#4900) 2017-12-25 02:08:42 +02:00
opcode.h bpo-32550. Remove the STORE_ANNOTATION bytecode. (GH-5181) 2018-01-29 16:41:04 -08:00
osdefs.h
osmodule.h
parsetok.h bpo-32150: Expand tabs to spaces in C files. (#4583) 2017-11-28 17:56:10 +02:00
patchlevel.h Start of 3.8.0a0 2018-01-31 17:44:09 -05:00
pgen.h
pgenheaders.h bpo-32150: Expand tabs to spaces in C files. (#4583) 2017-11-28 17:56:10 +02:00
py_curses.h bpo-32593: Drop FreeBSD 9 and older support (#5232) 2018-01-22 18:32:50 +01:00
pyarena.h
pyatomic.h bpo-31462: Remove trailing whitespaces. (#3564) 2017-09-14 09:38:36 +03:00
pycapsule.h
pyctype.h
pydebug.h bpo-32125: Remove Py_UseClassExceptionsFlag flag (#4544) 2017-11-24 22:06:38 +01:00
pydtrace.d bpo-31574: importlib dtrace (#3749) 2017-09-29 15:53:19 -07:00
pydtrace.h bpo-31574: importlib dtrace (#3749) 2017-09-29 15:53:19 -07:00
pyerrors.h bpo-30697: Fix PyErr_NormalizeException() when no memory (GH-2327) 2017-10-26 15:09:06 +02:00
pyexpat.h
pyfpe.h bpo-29137: Remove fpectl module (#4789) 2018-01-05 23:15:34 -08:00
pyhash.h Correct the location of a function mentioned in a comment (GH-4327) 2017-11-09 19:55:34 +03:00
pylifecycle.h bpo-32030: Add _Py_FindEnvConfigValue() (#4963) 2017-12-21 16:49:13 +01:00
pymacconfig.h
pymacro.h bpo-31338 (#3374) 2017-09-14 18:13:16 -07:00
pymath.h bpo-31373: fix undefined floating-point demotions (#3396) 2017-09-07 11:13:59 -07:00
pymem.h bpo-32030: Add pymain_get_global_config() (#4735) 2017-12-06 17:26:10 +01:00
pyport.h bpo-32593: Drop FreeBSD 9 and older support (#5232) 2018-01-22 18:32:50 +01:00
pystate.h bpo-32030: Add _PyCoreConfig.module_search_paths (#4954) 2018-01-24 17:03:28 +01:00
pystrcmp.h
pystrhex.h
pystrtod.h
Python-ast.h bpo-31464: asdl_c.py no longer emits trailing spaces in Python-ast.h. (#3568) 2017-09-14 20:28:22 -07:00
Python.h bpo-32635: Fix a segfault when importing the crypt module with libxcrypt. (#5284) 2018-01-23 16:11:24 +01:00
pythonrun.h bpo-22257: Small changes for PEP 432. (#1728) 2017-05-22 21:36:03 -07:00
pythread.h bpo-30768: Recompute timeout on interrupted lock (GH-4103) 2017-10-24 16:53:32 -07:00
pytime.h bpo-31784: Implement PEP 564: add time.time_ns() (#3989) 2017-11-02 07:28:27 -07:00
rangeobject.h
setobject.h bpo-29867: Add asserts in PyTuple_GET_SIZE, PyList_GET_SIZE and PySet_GET_SIZE. (#751) 2017-04-22 01:48:11 +02:00
sliceobject.h bpo-32150: Expand tabs to spaces in C files. (#4583) 2017-11-28 17:56:10 +02:00
structmember.h
structseq.h
symtable.h
sysmodule.h bpo-32030: Add _PyPathConfig_ComputeArgv0() (#4845) 2017-12-13 21:05:57 +01:00
token.h bpo-30406: Make async and await proper keywords (#1669) 2017-10-05 23:24:46 -04:00
traceback.h
tupleobject.h Fix small typo in tupleobject.h (#4801) 2017-12-12 09:59:30 +02:00
typeslots.h
ucnhash.h
unicodeobject.h bpo-29240: Fix locale encodings in UTF-8 Mode (#5170) 2018-01-15 10:45:49 +01:00
warnings.h bpo-32591: Add native coroutine origin tracking (#5250) 2018-01-21 09:44:07 -05:00
weakrefobject.h