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Issue 1089358. Adds the siginterrupt() function, that is just a

Browse source 
wrapper around the system call with the same name.  Also added
test cases, doc changes and NEWS entry. Thanks Jason and Ralf
Schmitt.
This commit is contained in:
Facundo Batista 2008-02-23 15:07:35 +00:00
parent 57826cf9f8
commit 7e251e83d5
4 changed files with 95 additions and 2 deletions
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33
Modules/signalmodule.c
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@ -272,6 +272,36 @@ SIG_DFL -- if the default action for the signal is in effect\n\
None -- if an unknown handler is in effect\n\
anything else -- the callable Python object used as a handler");
#ifdef HAVE_SIGINTERRUPT
PyDoc_STRVAR(siginterrupt_doc,
"siginterrupt(sig, flag) -> None\n\
change system call restart behaviour: if flag is False, system calls\n\
will be restarted when interrupted by signal sig, else system calls\n\
will be interrupted.");
static PyObject *
signal_siginterrupt(PyObject *self, PyObject *args)
{
int sig_num;
int flag;
if (!PyArg_ParseTuple(args, "ii:siginterrupt", &sig_num, &flag))
return NULL;
if (sig_num < 1 || sig_num >= NSIG) {
PyErr_SetString(PyExc_ValueError,
"signal number out of range");
return NULL;
}
if (siginterrupt(sig_num, flag)<0) {
PyErr_SetFromErrno(PyExc_RuntimeError);
return NULL;
}
Py_INCREF(Py_None);
return Py_None;
}
#endif
static PyObject *
signal_set_wakeup_fd(PyObject *self, PyObject *args)
@ -325,6 +355,9 @@ static PyMethodDef signal_methods[] = {
{"signal", signal_signal, METH_VARARGS, signal_doc},
{"getsignal", signal_getsignal, METH_VARARGS, getsignal_doc},
{"set_wakeup_fd", signal_set_wakeup_fd, METH_VARARGS, set_wakeup_fd_doc},
#ifdef HAVE_SIGINTERRUPT
{"siginterrupt", signal_siginterrupt, METH_VARARGS, siginterrupt_doc},
#endif
#ifdef HAVE_PAUSE
{"pause", (PyCFunction)signal_pause,
METH_NOARGS,pause_doc},