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SF #665913, Fix mmap module core dump with unix

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Closing an mmap'ed file (calling munmap) twice on Solaris caused a core dump.

Will backport.
This commit is contained in:
Neal Norwitz 2003-01-10 20:52:16 +00:00
parent e7a161e60c
commit e604c02a80
2 changed files with 22 additions and 2 deletions
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6
Modules/mmapmodule.c
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@ -141,8 +141,10 @@ mmap_close_method(mmap_object *self, PyObject *args)
#endif /* MS_WINDOWS */
#ifdef UNIX
munmap(self->data, self->size);
self->data = NULL;
if (self->data != NULL) {
munmap(self->data, self->size);
self->data = NULL;
}
#endif
Py_INCREF (Py_None);