mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-04 00:48:58 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

bpo-46008: Stop calling _PyThreadState_Init() in new_threadstate(). (gh-29973)

Browse source 
This simplifies new_threadstate().  We also rename _PyThreadState_Init() to _PyThreadState_SetCurrent() to reflect what it actually does.

https://bugs.python.org/issue46008
This commit is contained in:
Eric Snow 2021-12-07 17:26:29 -07:00 • committed by GitHub
parent 9b577cd01f
commit 1f384e3184
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
3 changed files with 18 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

22
Python/pystate.c
View file

@ -631,7 +631,7 @@ allocate_chunk(int size_in_bytes, _PyStackChunk* previous)
}
static PyThreadState *
new_threadstate(PyInterpreterState *interp, int init)
new_threadstate(PyInterpreterState *interp)
{
_PyRuntimeState *runtime = interp->runtime;
PyThreadState *tstate = (PyThreadState *)PyMem_RawCalloc(1, sizeof(PyThreadState));
@ -662,10 +662,6 @@ new_threadstate(PyInterpreterState *interp, int init)
tstate->datastack_top = &tstate->datastack_chunk->data[1];
tstate->datastack_limit = (PyObject **)(((char *)tstate->datastack_chunk) + DATA_STACK_CHUNK_SIZE);
if (init) {
_PyThreadState_Init(tstate);
}
HEAD_LOCK(runtime);
tstate->id = ++interp->threads.next_unique_id;
tstate->next = interp->threads.head;
@ -680,17 +676,27 @@ new_threadstate(PyInterpreterState *interp, int init)
PyThreadState *
PyThreadState_New(PyInterpreterState *interp)
{
return new_threadstate(interp, 1);
PyThreadState *tstate = new_threadstate(interp);
_PyThreadState_SetCurrent(tstate);
return tstate;
}
PyThreadState *
_PyThreadState_Prealloc(PyInterpreterState *interp)
{
return new_threadstate(interp, 0);
return new_threadstate(interp);
}
// We keep this around for (accidental) stable ABI compatibility.
// Realisically, no extensions are using it.
void
_PyThreadState_Init(PyThreadState *tstate)
{
Py_FatalError("_PyThreadState_Init() is for internal use only");
}
void
_PyThreadState_Init(PyThreadState *tstate)
_PyThreadState_SetCurrent(PyThreadState *tstate)
{
_PyGILState_NoteThreadState(&tstate->interp->runtime->gilstate, tstate);
}