signalmodule.c uses _PyErr_WriteUnraisableMsg()#98217
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vstinner commented Oct 12, 2022
The change can be tested manually with: importosimportsignaldefsig_alrm(signum, frame): print("here") ifTrue: withopen(__file__) asfp: fd=fp.fileno() os.set_blocking(fd, False) signal.set_wakeup_fd(fd) # fd becomes a bad file descriptorelse: a,b=os.pipe() os.set_blocking(fd, False) fd=asignal.set_wakeup_fd(fd) signal.signal(signal.SIGALRM, sig_alrm) signal.raise_signal(signal.SIGALRM) print("exit") |
Signal wakeup fd errors are now logged with _PyErr_WriteUnraisableMsg(), rather than PySys_WriteStderr() and PyErr_WriteUnraisable(), to pass the error message to sys.unraisablehook. By default, it's still written into stderr.
carljm added a commit to carljm/cpython that referenced this pull request Oct 14, 2022
* main: (38 commits) pythongh-98251: Allow venv to pass along PYTHON* variables to pip and ensurepip when they do not impact path resolution (pythonGH-98259) Bpo-41246: IOCP Proactor avoid callback code duplication (python#21399) bpo-46364: Use sockets for stdin of asyncio only on AIX (python#30596) pythongh-98178: syslog() is not thread-safe on macOS (python#98213) Mark all targets in `Doc/Makefile` as `PHONY` (pythonGH-98189) pythongh-97982: Factorize PyUnicode_Count() and unicode_count() code (python#98025) pythongh-96265: Formatting changes for faq/general (python#98129) tutorial: remove "with single quotes" (python#98204) pythongh-97669: Remove Tools/scripts/startuptime.py (python#98214) signalmodule.c uses _PyErr_WriteUnraisableMsg() (python#98217) pythongh-97669: Fix test_tools reference leak (python#98216) pythongh-97669: Create Tools/patchcheck/ directory (python#98186) pythongh-65046: Link to logging cookbook from asyncio docs (python#98207) Formatting fixes in contextlib docs (python#98111) pythongh-95276: Add callable entry to the glossary (python#95738) pythongh-96130: Rephrase use of "typecheck" verb for clarity (python#98144) Fix some incorrect indentation around the main switch (python#98177) pythongh-98172: Fix formatting in `except*` docs (python#98173) pythongh-97982: Remove asciilib_count() (python#98164) pythongh-95756: Free and NULL-out code caches when needed (pythonGH-98181) ...
carljm added a commit to carljm/cpython that referenced this pull request Oct 14, 2022
* main: (37 commits) pythongh-98251: Allow venv to pass along PYTHON* variables to pip and ensurepip when they do not impact path resolution (pythonGH-98259) Bpo-41246: IOCP Proactor avoid callback code duplication (python#21399) bpo-46364: Use sockets for stdin of asyncio only on AIX (python#30596) pythongh-98178: syslog() is not thread-safe on macOS (python#98213) Mark all targets in `Doc/Makefile` as `PHONY` (pythonGH-98189) pythongh-97982: Factorize PyUnicode_Count() and unicode_count() code (python#98025) pythongh-96265: Formatting changes for faq/general (python#98129) tutorial: remove "with single quotes" (python#98204) pythongh-97669: Remove Tools/scripts/startuptime.py (python#98214) signalmodule.c uses _PyErr_WriteUnraisableMsg() (python#98217) pythongh-97669: Fix test_tools reference leak (python#98216) pythongh-97669: Create Tools/patchcheck/ directory (python#98186) pythongh-65046: Link to logging cookbook from asyncio docs (python#98207) Formatting fixes in contextlib docs (python#98111) pythongh-95276: Add callable entry to the glossary (python#95738) pythongh-96130: Rephrase use of "typecheck" verb for clarity (python#98144) Fix some incorrect indentation around the main switch (python#98177) pythongh-98172: Fix formatting in `except*` docs (python#98173) pythongh-97982: Remove asciilib_count() (python#98164) pythongh-95756: Free and NULL-out code caches when needed (pythonGH-98181) ...
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Signal wakeup fd errors are now logged with
_PyErr_WriteUnraisableMsg(), rather than PySys_WriteStderr() and PyErr_WriteUnraisable(), to pass the error message to sys.unraisablehook. By default, it's still written into stderr.