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authorAntoine Pitrou <pitrou@free.fr>2017-12-13 02:29:07 +0100
committerGitHub <noreply@github.com>2017-12-13 02:29:07 +0100
commitfc5db95e0063eafa2bfb7f487fcaad5a7c4b65a1 (patch)
tree61bc58e4e52f4114140dee0e21f77b91364afa31 /Python/pylifecycle.c
parent317def9fdb29893df1ab380d396fcdd2eafe0588 (diff)
downloadcpython-git-fc5db95e0063eafa2bfb7f487fcaad5a7c4b65a1.tar.gz
Test atexit shutdown mechanism in a subprocess (#4828)
* Test atexit shutdown mechanism in a subprocess
Diffstat (limited to 'Python/pylifecycle.c')
-rw-r--r--Python/pylifecycle.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/Python/pylifecycle.c b/Python/pylifecycle.c
index fdb09d910d..f284855f34 100644
--- a/Python/pylifecycle.c
+++ b/Python/pylifecycle.c
@@ -2086,6 +2086,8 @@ _Py_FatalInitError(_PyInitError err)
/* For the atexit module. */
void _Py_PyAtExit(void (*func)(void))
{
+ /* Guard against API misuse (see bpo-17852) */
+ assert(_PyRuntime.pyexitfunc == NULL || _PyRuntime.pyexitfunc == func);
_PyRuntime.pyexitfunc = func;
}