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bpo-32043: New "developer mode": "-X dev" option (#4413)

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Add a new "developer mode": new "-X dev" command line option to
enable debug checks at runtime.

Changes:

* Add unit tests for -X dev
* test_cmd_line: replace test.support with support.
* Fix _PyRuntimeState_Fini(): Use the same memory allocator
   than _PyRuntimeState_Init().
* Fix _PyMem_GetDefaultRawAllocator()
This commit is contained in:
Victor Stinner 2017-11-16 03:20:31 -08:00 • committed by GitHub
parent 05cb728d68
commit ccb0442a33
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GPG key ID: 4AEE18F83AFDEB23
7 changed files with 110 additions and 25 deletions
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19
Objects/obmalloc.c
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@ -190,8 +190,14 @@ static struct {
void
_PyMem_GetDefaultRawAllocator(PyMemAllocatorEx *alloc_p)
{
PyMemAllocatorEx alloc = {NULL, PYRAW_FUNCS};
*alloc_p = alloc;
PyMemAllocatorEx pymem_raw = {
#ifdef Py_DEBUG
&_PyMem_Debug.raw, PYRAWDBG_FUNCS
#else
NULL, PYRAW_FUNCS
#endif
};
*alloc_p = pymem_raw;
}
int
@ -274,13 +280,6 @@ _PyObject_Initialize(struct _pyobj_runtime_state *state)
void
_PyMem_Initialize(struct _pymem_runtime_state *state)
{
PyMemAllocatorEx pymem_raw = {
#ifdef Py_DEBUG
&_PyMem_Debug.raw, PYRAWDBG_FUNCS
#else
NULL, PYRAW_FUNCS
#endif
};
PyMemAllocatorEx pymem = {
#ifdef Py_DEBUG
&_PyMem_Debug.mem, PYDBG_FUNCS
@ -296,7 +295,7 @@ _PyMem_Initialize(struct _pymem_runtime_state *state)
#endif
};
state->allocators.raw = pymem_raw;
_PyMem_GetDefaultRawAllocator(&state->allocators.raw);
state->allocators.mem = pymem;
state->allocators.obj = pyobject;