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46640 Patch #1454481:  Make thread stack size runtime tunable.
46647 Markup fix

The first is causing many buildbots to fail test runs, and there
are multiple causes with seemingly no immediate prospects for
repairing them.  See python-dev discussion.

Note that a branch can (and should) be created for resolving these
problems, like

svn copy svn+ssh://svn.python.org/python/trunk -r46640 svn+ssh://svn.python.org/python/branches/NEW_BRANCH

followed by merging rev 46647 to the new branch.
This commit is contained in:
Tim Peters 2006-06-04 23:52:47 +00:00
parent c7d14452a4
commit 28eeefe566
14 changed files with 5 additions and 332 deletions
Download patch file Download diff file Expand all files Collapse all files

48
Modules/threadmodule.c
View file

@ -586,51 +586,6 @@ allocated consecutive numbers starting at 1, this behavior should not\n\
be relied upon, and the number should be seen purely as a magic cookie.\n\
A thread's identity may be reused for another thread after it exits.");
static PyObject *
thread_stack_size(PyObject *self, PyObject *args)
{
size_t old_size, new_size;
PyObject *set_size = NULL;
if (!PyArg_UnpackTuple(args, "stack_size", 0, 1, &set_size))
return NULL;
old_size = PyThread_get_stacksize();
if (set_size != NULL) {
if (PyInt_Check(set_size))
new_size = (size_t) PyInt_AsLong(set_size);
else {
PyErr_SetString(PyExc_TypeError,
"size must be an integer");
return NULL;
}
if (PyThread_set_stacksize(new_size))
return NULL;
}
return PyInt_FromLong((long) old_size);
}
PyDoc_STRVAR(stack_size_doc,
"stack_size([size]) -> size\n\
\n\
Return the thread stack size used when creating new threads. The\n\
optional size argument specifies the stack size (in bytes) to be used\n\
for subsequently created threads, and must be 0 (use platform or\n\
configured default) or a positive integer value of at least 32,768 (32kB).\n\
If changing the thread stack size is unsupported, or the specified size\n\
is invalid, a RuntimeWarning is issued and the stack size is unmodified.\n\
32kB is currently the minimum supported stack size value, to guarantee\n\
sufficient stack space for the interpreter itself.\n\
\n\
Note that some platforms may have particular restrictions on values for\n\
the stack size, such as requiring allocation in multiples of the system\n\
memory page size - platform documentation should be referred to for more\n\
information (4kB pages are common; using multiples of 4096 for the\n\
stack size is the suggested approach in the absence of more specific\n\
information).");
static PyMethodDef thread_methods[] = {
{"start_new_thread", (PyCFunction)thread_PyThread_start_new_thread,
METH_VARARGS,
@ -650,9 +605,6 @@ static PyMethodDef thread_methods[] = {
METH_NOARGS, interrupt_doc},
{"get_ident", (PyCFunction)thread_get_ident,
METH_NOARGS, get_ident_doc},
{"stack_size", (PyCFunction)thread_stack_size,
METH_VARARGS,
stack_size_doc},
#ifndef NO_EXIT_PROG
{"exit_prog", (PyCFunction)thread_PyThread_exit_prog,
METH_VARARGS},