mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-03 08:34:29 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 6

bpo-39947: Use _PyInterpreterState_GET_UNSAFE() (GH-18978)

Browse source 
Replace _PyInterpreterState_Get() function call with
_PyInterpreterState_GET_UNSAFE() macro which is more efficient but
don't check if tstate or interp is NULL.

_Py_GetConfigsAsDict() now uses _PyThreadState_GET().
This commit is contained in:
Victor Stinner 2020-03-13 18:03:56 +01:00 • committed by GitHub
parent 6d674a1bf4
commit ff4584caca
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
9 changed files with 27 additions and 27 deletions
Download patch file Download diff file Expand all files Collapse all files

14
Modules/posixmodule.c
View file

@ -451,7 +451,7 @@ run_at_forkers(PyObject *lst, int reverse)
void
PyOS_BeforeFork(void)
{
run_at_forkers(_PyInterpreterState_Get()->before_forkers, 1);
run_at_forkers(_PyInterpreterState_GET_UNSAFE()->before_forkers, 1);
_PyImport_AcquireLock();
}
@ -462,7 +462,7 @@ PyOS_AfterFork_Parent(void)
if (_PyImport_ReleaseLock() <= 0)
Py_FatalError("failed releasing import lock after fork");
run_at_forkers(_PyInterpreterState_Get()->after_forkers_parent, 0);
run_at_forkers(_PyInterpreterState_GET_UNSAFE()->after_forkers_parent, 0);
}
void
@ -476,7 +476,7 @@ PyOS_AfterFork_Child(void)
_PyRuntimeState_ReInitThreads(runtime);
_PyInterpreterState_DeleteExceptMain(runtime);
run_at_forkers(_PyInterpreterState_Get()->after_forkers_child, 0);
run_at_forkers(_PyInterpreterState_GET_UNSAFE()->after_forkers_child, 0);
}
static int
@ -6177,7 +6177,7 @@ os_register_at_fork_impl(PyObject *module, PyObject *before,
check_null_or_callable(after_in_parent, "after_in_parent")) {
return NULL;
}
interp = _PyInterpreterState_Get();
interp = _PyInterpreterState_GET_UNSAFE();
if (register_at_forker(&interp->before_forkers, before)) {
return NULL;
@ -6208,7 +6208,7 @@ os_fork1_impl(PyObject *module)
{
pid_t pid;
if (_PyInterpreterState_Get() != PyInterpreterState_Main()) {
if (_PyInterpreterState_GET_UNSAFE() != PyInterpreterState_Main()) {
PyErr_SetString(PyExc_RuntimeError, "fork not supported for subinterpreters");
return NULL;
}
@ -6243,7 +6243,7 @@ os_fork_impl(PyObject *module)
{
pid_t pid;
if (_PyInterpreterState_Get() != PyInterpreterState_Main()) {
if (_PyInterpreterState_GET_UNSAFE() != PyInterpreterState_Main()) {
PyErr_SetString(PyExc_RuntimeError, "fork not supported for subinterpreters");
return NULL;
}
@ -6851,7 +6851,7 @@ os_forkpty_impl(PyObject *module)
int master_fd = -1;
pid_t pid;
if (_PyInterpreterState_Get() != PyInterpreterState_Main()) {
if (_PyInterpreterState_GET_UNSAFE() != PyInterpreterState_Main()) {
PyErr_SetString(PyExc_RuntimeError, "fork not supported for subinterpreters");
return NULL;
}