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Closes #22869: Move PyOS_CheckStack back to pythonrun.c

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This commit is contained in:
Zachary Ware 2014-11-21 23:35:12 -06:00
parent 9b59dd4781
commit c4821d62b4
2 changed files with 37 additions and 38 deletions
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38
Python/pylifecycle.c
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@ -1431,44 +1431,6 @@ Py_FdIsInteractive(FILE *fp, const char *filename)
}
#if defined(USE_STACKCHECK)
#if defined(WIN32) && defined(_MSC_VER)
/* Stack checking for Microsoft C */
#include <malloc.h>
#include <excpt.h>
/*
* Return non-zero when we run out of memory on the stack; zero otherwise.
*/
int
PyOS_CheckStack(void)
{
__try {
/* alloca throws a stack overflow exception if there's
not enough space left on the stack */
alloca(PYOS_STACK_MARGIN * sizeof(void*));
return 0;
} __except (GetExceptionCode() == STATUS_STACK_OVERFLOW ?
EXCEPTION_EXECUTE_HANDLER :
EXCEPTION_CONTINUE_SEARCH) {
int errcode = _resetstkoflw();
if (errcode == 0)
{
Py_FatalError("Could not reset the stack!");
}
}
return 1;
}
#endif /* WIN32 && _MSC_VER */
/* Alternate implementations can be added here... */
#endif /* USE_STACKCHECK */
/* Wrappers around sigaction() or signal(). */
PyOS_sighandler_t

37
Python/pythonrun.c
View File

@ -1376,6 +1376,43 @@ cleanup:
}
#if defined(USE_STACKCHECK)
#if defined(WIN32) && defined(_MSC_VER)
/* Stack checking for Microsoft C */
#include <malloc.h>
#include <excpt.h>
/*
* Return non-zero when we run out of memory on the stack; zero otherwise.
*/
int
PyOS_CheckStack(void)
{
__try {
/* alloca throws a stack overflow exception if there's
not enough space left on the stack */
alloca(PYOS_STACK_MARGIN * sizeof(void*));
return 0;
} __except (GetExceptionCode() == STATUS_STACK_OVERFLOW ?
EXCEPTION_EXECUTE_HANDLER :
EXCEPTION_CONTINUE_SEARCH) {
int errcode = _resetstkoflw();
if (errcode == 0)
{
Py_FatalError("Could not reset the stack!");
}
}
return 1;
}
#endif /* WIN32 && _MSC_VER */
/* Alternate implementations can be added here... */
#endif /* USE_STACKCHECK */
/* Deprecated C API functions still provided for binary compatiblity */
#undef PyParser_SimpleParseFile