From b1aa0380f62c6e5504b01d0a5b70258d8b0861ba Mon Sep 17 00:00:00 2001 From: Victor Stinner Date: Mon, 21 Aug 2023 21:48:37 +0200 Subject: [PATCH] gh-108223: Add [NOGIL] marker to sys.version If Python is configured with --disable-gil, add " [NOGIL]" suffix to sys.version. It should help users to check if they are running a regular Python build with a GIL, or a custom Python build with the new experimental no GIL. sys.version is commonly requested in bug reports: knowing if Python was configured with --disable-gil should ease debug. Example on Linux with --disable-gil: $ ./python -VV Python 3.13.0a0 (heads/main-dirty:d63972e289, Aug 21 2023, 21:43:45) [GCC 13.2.1 20230728 (Red Hat 13.2.1-1)] [NOGIL] --- Python/getversion.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/Python/getversion.c b/Python/getversion.c index 5db836ab4bfd6d..e5ac6da92ef262 100644 --- a/Python/getversion.c +++ b/Python/getversion.c @@ -6,7 +6,7 @@ #include "patchlevel.h" static int initialized = 0; -static char version[250]; +static char version[258]; void _Py_InitVersion(void) { @@ -14,8 +14,13 @@ void _Py_InitVersion(void) return; } initialized = 1; - PyOS_snprintf(version, sizeof(version), "%.80s (%.80s) %.80s", - PY_VERSION, Py_GetBuildInfo(), Py_GetCompiler()); +#ifdef Py_NOGIL + const char *gil = " [NOGIL]"; // 8 characters +#else + const char *gil = ""; +#endif + PyOS_snprintf(version, sizeof(version), "%.80s (%.80s) %.80s%s", + PY_VERSION, Py_GetBuildInfo(), Py_GetCompiler(), gil); } const char * pFad - Phonifier reborn

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