/*[clinic input]

preserve

[clinic start generated code]*/

#if defined(HAVE_ALARM)

PyDoc_STRVAR(signal_alarm__doc__,

"alarm($module, seconds, /)\n"

"--\n"

"\n"

"Arrange for SIGALRM to arrive after the given number of seconds.");

#define SIGNAL_ALARM_METHODDEF    \

    {"alarm", (PyCFunction)signal_alarm, METH_O, signal_alarm__doc__},

static long

signal_alarm_impl(PyObject *module, int seconds);

static PyObject *

signal_alarm(PyObject *module, PyObject *arg)

{

    PyObject *return_value = NULL;

    int seconds;

    long _return_value;

    if (PyFloat_Check(arg)) {

        PyErr_SetString(PyExc_TypeError,

                        "integer argument expected, got float" );

        goto exit;

    }

    seconds = _PyLong_AsInt(arg);

    if (seconds == -1 && PyErr_Occurred()) {

        goto exit;

    }

    _return_value = signal_alarm_impl(module, seconds);

    if ((_return_value == -1) && PyErr_Occurred()) {

        goto exit;

    }

    return_value = PyLong_FromLong(_return_value);

exit:

    return return_value;

}

#endif /* defined(HAVE_ALARM) */

#if defined(HAVE_PAUSE)

PyDoc_STRVAR(signal_pause__doc__,

"pause($module, /)\n"

"--\n"

"\n"

"Wait until a signal arrives.");

#define SIGNAL_PAUSE_METHODDEF    \

    {"pause", (PyCFunction)signal_pause, METH_NOARGS, signal_pause__doc__},

static PyObject *

signal_pause_impl(PyObject *module);

static PyObject *

signal_pause(PyObject *module, PyObject *Py_UNUSED(ignored))

{

    return signal_pause_impl(module);

}

#endif /* defined(HAVE_PAUSE) */

PyDoc_STRVAR(signal_raise_signal__doc__,

"raise_signal($module, signalnum, /)\n"

"--\n"

"\n"

"Send a signal to the executing process.");

#define SIGNAL_RAISE_SIGNAL_METHODDEF    \

    {"raise_signal", (PyCFunction)signal_raise_signal, METH_O, signal_raise_signal__doc__},

static PyObject *

signal_raise_signal_impl(PyObject *module, int signalnum);

static PyObject *

signal_raise_signal(PyObject *module, PyObject *arg)

{

    PyObject *return_value = NULL;

    int signalnum;

    if (PyFloat_Check(arg)) {

        PyErr_SetString(PyExc_TypeError,

                        "integer argument expected, got float" );

        goto exit;

    }

    signalnum = _PyLong_AsInt(arg);

    if (signalnum == -1 && PyErr_Occurred()) {

        goto exit;

    }

    return_value = signal_raise_signal_impl(module, signalnum);

exit:

    return return_value;

}

PyDoc_STRVAR(signal_signal__doc__,

"signal($module, signalnum, handler, /)\n"

"--\n"

"\n"

"Set the action for the given signal.\n"

"\n"

"The action can be SIG_DFL, SIG_IGN, or a callable Python object.\n"

"The previous action is returned.  See getsignal() for possible return values.\n"

"\n"

"*** IMPORTANT NOTICE ***\n"

"A signal handler function is called with two arguments:\n"

"the first is the signal number, the second is the interrupted stack frame.");

#define SIGNAL_SIGNAL_METHODDEF    \

    {"signal", (PyCFunction)(void(*)(void))signal_signal, METH_FASTCALL, signal_signal__doc__},

static PyObject *

signal_signal_impl(PyObject *module, int signalnum, PyObject *handler);

static PyObject *

signal_signal(PyObject *module, PyObject *const *args, Py_ssize_t nargs)

{

    PyObject *return_value = NULL;

    int signalnum;

    PyObject *handler;

    if (!_PyArg_CheckPositional("signal", nargs, 2, 2)) {

        goto exit;

    }

    if (PyFloat_Check(args[0])) {

        PyErr_SetString(PyExc_TypeError,

                        "integer argument expected, got float" );

        goto exit;

    }

    signalnum = _PyLong_AsInt(args[0]);

    if (signalnum == -1 && PyErr_Occurred()) {

        goto exit;

    }

    handler = args[1];

    return_value = signal_signal_impl(module, signalnum, handler);

exit:

    return return_value;

}

PyDoc_STRVAR(signal_getsignal__doc__,

"getsignal($module, signalnum, /)\n"

"--\n"

"\n"

"Return the current action for the given signal.\n"

"\n"

"The return value can be:\n"

"  SIG_IGN -- if the signal is being ignored\n"

"  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");

#define SIGNAL_GETSIGNAL_METHODDEF    \

    {"getsignal", (PyCFunction)signal_getsignal, METH_O, signal_getsignal__doc__},

static PyObject *

signal_getsignal_impl(PyObject *module, int signalnum);

static PyObject *

signal_getsignal(PyObject *module, PyObject *arg)

{

    PyObject *return_value = NULL;

    int signalnum;

    if (PyFloat_Check(arg)) {

        PyErr_SetString(PyExc_TypeError,

                        "integer argument expected, got float" );

        goto exit;

    }

    signalnum = _PyLong_AsInt(arg);

    if (signalnum == -1 && PyErr_Occurred()) {

        goto exit;

    }

    return_value = signal_getsignal_impl(module, signalnum);

exit:

    return return_value;

}

PyDoc_STRVAR(signal_strsignal__doc__,

"strsignal($module, signalnum, /)\n"

"--\n"

"\n"

"Return the system description of the given signal.\n"

"\n"

"The return values can be such as \"Interrupt\", \"Segmentation fault\", etc.\n"

"Returns None if the signal is not recognized.");

#define SIGNAL_STRSIGNAL_METHODDEF    \

    {"strsignal", (PyCFunction)signal_strsignal, METH_O, signal_strsignal__doc__},

static PyObject *

signal_strsignal_impl(PyObject *module, int signalnum);

static PyObject *

signal_strsignal(PyObject *module, PyObject *arg)

{

    PyObject *return_value = NULL;

    int signalnum;

    if (PyFloat_Check(arg)) {

        PyErr_SetString(PyExc_TypeError,

                        "integer argument expected, got float" );

        goto exit;

    }

    signalnum = _PyLong_AsInt(arg);

    if (signalnum == -1 && PyErr_Occurred()) {

        goto exit;

    }

    return_value = signal_strsignal_impl(module, signalnum);

exit:

    return return_value;

}

#if defined(HAVE_SIGINTERRUPT)

PyDoc_STRVAR(signal_siginterrupt__doc__,

"siginterrupt($module, signalnum, flag, /)\n"

"--\n"

"\n"

"Change system call restart behaviour.\n"

"\n"

"If flag is False, system calls will be restarted when interrupted by\n"

"signal sig, else system calls will be interrupted.");

#define SIGNAL_SIGINTERRUPT_METHODDEF    \

    {"siginterrupt", (PyCFunction)(void(*)(void))signal_siginterrupt, METH_FASTCALL, signal_siginterrupt__doc__},

static PyObject *

signal_siginterrupt_impl(PyObject *module, int signalnum, int flag);

static PyObject *

signal_siginterrupt(PyObject *module, PyObject *const *args, Py_ssize_t nargs)

{

    PyObject *return_value = NULL;

    int signalnum;

    int flag;

    if (!_PyArg_CheckPositional("siginterrupt", nargs, 2, 2)) {

        goto exit;

    }

    if (PyFloat_Check(args[0])) {

        PyErr_SetString(PyExc_TypeError,

                        "integer argument expected, got float" );

        goto exit;

    }

    signalnum = _PyLong_AsInt(args[0]);

    if (signalnum == -1 && PyErr_Occurred()) {

        goto exit;

    }

    if (PyFloat_Check(args[1])) {

        PyErr_SetString(PyExc_TypeError,

                        "integer argument expected, got float" );

        goto exit;

    }

    flag = _PyLong_AsInt(args[1]);

    if (flag == -1 && PyErr_Occurred()) {

        goto exit;

    }

    return_value = signal_siginterrupt_impl(module, signalnum, flag);

exit:

    return return_value;

}

#endif /* defined(HAVE_SIGINTERRUPT) */

#if defined(HAVE_SETITIMER)

PyDoc_STRVAR(signal_setitimer__doc__,

"setitimer($module, which, seconds, interval=0.0, /)\n"

"--\n"

"\n"

"Sets given itimer (one of ITIMER_REAL, ITIMER_VIRTUAL or ITIMER_PROF).\n"

"\n"

"The timer will fire after value seconds and after that every interval seconds.\n"

"The itimer can be cleared by setting seconds to zero.\n"

"\n"

"Returns old values as a tuple: (delay, interval).");

#define SIGNAL_SETITIMER_METHODDEF    \

    {"setitimer", (PyCFunction)(void(*)(void))signal_setitimer, METH_FASTCALL, signal_setitimer__doc__},

static PyObject *

signal_setitimer_impl(PyObject *module, int which, PyObject *seconds,

                      PyObject *interval);

static PyObject *

signal_setitimer(PyObject *module, PyObject *const *args, Py_ssize_t nargs)

{

    PyObject *return_value = NULL;

    int which;

    PyObject *seconds;

    PyObject *interval = NULL;

    if (!_PyArg_CheckPositional("setitimer", nargs, 2, 3)) {

        goto exit;

    }

    if (PyFloat_Check(args[0])) {

        PyErr_SetString(PyExc_TypeError,

                        "integer argument expected, got float" );

        goto exit;

    }

    which = _PyLong_AsInt(args[0]);

    if (which == -1 && PyErr_Occurred()) {

        goto exit;

    }

    seconds = args[1];

    if (nargs < 3) {

        goto skip_optional;

    }

    interval = args[2];

skip_optional:

    return_value = signal_setitimer_impl(module, which, seconds, interval);

exit:

    return return_value;

}

#endif /* defined(HAVE_SETITIMER) */

#if defined(HAVE_GETITIMER)

PyDoc_STRVAR(signal_getitimer__doc__,

"getitimer($module, which, /)\n"

"--\n"

"\n"

"Returns current value of given itimer.");

#define SIGNAL_GETITIMER_METHODDEF    \

    {"getitimer", (PyCFunction)signal_getitimer, METH_O, signal_getitimer__doc__},

static PyObject *

signal_getitimer_impl(PyObject *module, int which);

static PyObject *

signal_getitimer(PyObject *module, PyObject *arg)

{

    PyObject *return_value = NULL;

    int which;

    if (PyFloat_Check(arg)) {

        PyErr_SetString(PyExc_TypeError,

                        "integer argument expected, got float" );

        goto exit;

    }

    which = _PyLong_AsInt(arg);

    if (which == -1 && PyErr_Occurred()) {

        goto exit;

    }

    return_value = signal_getitimer_impl(module, which);

exit:

    return return_value;

}

#endif /* defined(HAVE_GETITIMER) */

#if defined(PYPTHREAD_SIGMASK)

PyDoc_STRVAR(signal_pthread_sigmask__doc__,

"pthread_sigmask($module, how, mask, /)\n"

"--\n"

"\n"

"Fetch and/or change the signal mask of the calling thread.");

#define SIGNAL_PTHREAD_SIGMASK_METHODDEF    \

    {"pthread_sigmask", (PyCFunction)(void(*)(void))signal_pthread_sigmask, METH_FASTCALL, signal_pthread_sigmask__doc__},

static PyObject *

signal_pthread_sigmask_impl(PyObject *module, int how, sigset_t mask);

static PyObject *

signal_pthread_sigmask(PyObject *module, PyObject *const *args, Py_ssize_t nargs)

{

    PyObject *return_value = NULL;

    int how;

    sigset_t mask;

    if (!_PyArg_CheckPositional("pthread_sigmask", nargs, 2, 2)) {

        goto exit;

    }

    if (PyFloat_Check(args[0])) {

        PyErr_SetString(PyExc_TypeError,

                        "integer argument expected, got float" );

        goto exit;

    }

    how = _PyLong_AsInt(args[0]);

    if (how == -1 && PyErr_Occurred()) {

        goto exit;

    }

    if (!_Py_Sigset_Converter(args[1], &mask)) {

        goto exit;

    }

    return_value = signal_pthread_sigmask_impl(module, how, mask);

exit:

    return return_value;

}

#endif /* defined(PYPTHREAD_SIGMASK) */

#if defined(HAVE_SIGPENDING)

PyDoc_STRVAR(signal_sigpending__doc__,

"sigpending($module, /)\n"

"--\n"

"\n"

"Examine pending signals.\n"

"\n"

"Returns a set of signal numbers that are pending for delivery to\n"

"the calling thread.");

#define SIGNAL_SIGPENDING_METHODDEF    \

    {"sigpending", (PyCFunction)signal_sigpending, METH_NOARGS, signal_sigpending__doc__},

static PyObject *

signal_sigpending_impl(PyObject *module);

static PyObject *

signal_sigpending(PyObject *module, PyObject *Py_UNUSED(ignored))

{

    return signal_sigpending_impl(module);

}

#endif /* defined(HAVE_SIGPENDING) */

#if defined(HAVE_SIGWAIT)

PyDoc_STRVAR(signal_sigwait__doc__,

"sigwait($module, sigset, /)\n"

"--\n"

"\n"

"Wait for a signal.\n"

"\n"

"Suspend execution of the calling thread until the delivery of one of the\n"

"signals specified in the signal set sigset.  The function accepts the signal\n"

"and returns the signal number.");

#define SIGNAL_SIGWAIT_METHODDEF    \

    {"sigwait", (PyCFunction)signal_sigwait, METH_O, signal_sigwait__doc__},

static PyObject *

signal_sigwait_impl(PyObject *module, sigset_t sigset);

static PyObject *

signal_sigwait(PyObject *module, PyObject *arg)

{

    PyObject *return_value = NULL;

    sigset_t sigset;

    if (!_Py_Sigset_Converter(arg, &sigset)) {

        goto exit;

    }

    return_value = signal_sigwait_impl(module, sigset);

exit:

    return return_value;

}

#endif /* defined(HAVE_SIGWAIT) */

#if (defined(HAVE_SIGFILLSET) || defined(MS_WINDOWS))

PyDoc_STRVAR(signal_valid_signals__doc__,

"valid_signals($module, /)\n"

"--\n"

"\n"

"Return a set of valid signal numbers on this platform.\n"

"\n"

"The signal numbers returned by this function can be safely passed to\n"

"functions like `pthread_sigmask`.");

#define SIGNAL_VALID_SIGNALS_METHODDEF    \

    {"valid_signals", (PyCFunction)signal_valid_signals, METH_NOARGS, signal_valid_signals__doc__},

static PyObject *

signal_valid_signals_impl(PyObject *module);

static PyObject *

signal_valid_signals(PyObject *module, PyObject *Py_UNUSED(ignored))

{

    return signal_valid_signals_impl(module);

}

#endif /* (defined(HAVE_SIGFILLSET) || defined(MS_WINDOWS)) */

#if defined(HAVE_SIGWAITINFO)

PyDoc_STRVAR(signal_sigwaitinfo__doc__,

"sigwaitinfo($module, sigset, /)\n"

"--\n"

"\n"

"Wait synchronously until one of the signals in *sigset* is delivered.\n"

"\n"

"Returns a struct_siginfo containing information about the signal.");

#define SIGNAL_SIGWAITINFO_METHODDEF    \

    {"sigwaitinfo", (PyCFunction)signal_sigwaitinfo, METH_O, signal_sigwaitinfo__doc__},

static PyObject *

signal_sigwaitinfo_impl(PyObject *module, sigset_t sigset);

static PyObject *

signal_sigwaitinfo(PyObject *module, PyObject *arg)

{

    PyObject *return_value = NULL;

    sigset_t sigset;

    if (!_Py_Sigset_Converter(arg, &sigset)) {

        goto exit;

    }

    return_value = signal_sigwaitinfo_impl(module, sigset);

exit:

    return return_value;

}

#endif /* defined(HAVE_SIGWAITINFO) */

#if defined(HAVE_SIGTIMEDWAIT)

PyDoc_STRVAR(signal_sigtimedwait__doc__,

"sigtimedwait($module, sigset, timeout, /)\n"

"--\n"

"\n"

"Like sigwaitinfo(), but with a timeout.\n"

"\n"

"The timeout is specified in seconds, with floating point numbers allowed.");

#define SIGNAL_SIGTIMEDWAIT_METHODDEF    \

    {"sigtimedwait", (PyCFunction)(void(*)(void))signal_sigtimedwait, METH_FASTCALL, signal_sigtimedwait__doc__},

static PyObject *

signal_sigtimedwait_impl(PyObject *module, sigset_t sigset,

                         PyObject *timeout_obj);

static PyObject *

signal_sigtimedwait(PyObject *module, PyObject *const *args, Py_ssize_t nargs)

{

    PyObject *return_value = NULL;

    sigset_t sigset;

    PyObject *timeout_obj;

    if (!_PyArg_CheckPositional("sigtimedwait", nargs, 2, 2)) {

        goto exit;

    }

    if (!_Py_Sigset_Converter(args[0], &sigset)) {

        goto exit;

    }

    timeout_obj = args[1];

    return_value = signal_sigtimedwait_impl(module, sigset, timeout_obj);

exit:

    return return_value;

}

#endif /* defined(HAVE_SIGTIMEDWAIT) */

#if defined(HAVE_PTHREAD_KILL)

PyDoc_STRVAR(signal_pthread_kill__doc__,

"pthread_kill($module, thread_id, signalnum, /)\n"

"--\n"

"\n"

"Send a signal to a thread.");

#define SIGNAL_PTHREAD_KILL_METHODDEF    \

    {"pthread_kill", (PyCFunction)(void(*)(void))signal_pthread_kill, METH_FASTCALL, signal_pthread_kill__doc__},

static PyObject *

signal_pthread_kill_impl(PyObject *module, unsigned long thread_id,

                         int signalnum);

static PyObject *

signal_pthread_kill(PyObject *module, PyObject *const *args, Py_ssize_t nargs)

{

    PyObject *return_value = NULL;

    unsigned long thread_id;

    int signalnum;

    if (!_PyArg_CheckPositional("pthread_kill", nargs, 2, 2)) {

        goto exit;

    }

    if (!PyLong_Check(args[0])) {

        _PyArg_BadArgument("pthread_kill", "argument 1", "int", args[0]);

        goto exit;

    }

    thread_id = PyLong_AsUnsignedLongMask(args[0]);

    if (PyFloat_Check(args[1])) {

        PyErr_SetString(PyExc_TypeError,

                        "integer argument expected, got float" );

        goto exit;

    }

    signalnum = _PyLong_AsInt(args[1]);

    if (signalnum == -1 && PyErr_Occurred()) {

        goto exit;

    }

    return_value = signal_pthread_kill_impl(module, thread_id, signalnum);

exit:

    return return_value;

}

#endif /* defined(HAVE_PTHREAD_KILL) */

#ifndef SIGNAL_ALARM_METHODDEF

    #define SIGNAL_ALARM_METHODDEF

#endif /* !defined(SIGNAL_ALARM_METHODDEF) */

#ifndef SIGNAL_PAUSE_METHODDEF

    #define SIGNAL_PAUSE_METHODDEF

#endif /* !defined(SIGNAL_PAUSE_METHODDEF) */

#ifndef SIGNAL_SIGINTERRUPT_METHODDEF

    #define SIGNAL_SIGINTERRUPT_METHODDEF

#endif /* !defined(SIGNAL_SIGINTERRUPT_METHODDEF) */

#ifndef SIGNAL_SETITIMER_METHODDEF

    #define SIGNAL_SETITIMER_METHODDEF

#endif /* !defined(SIGNAL_SETITIMER_METHODDEF) */

#ifndef SIGNAL_GETITIMER_METHODDEF

    #define SIGNAL_GETITIMER_METHODDEF

#endif /* !defined(SIGNAL_GETITIMER_METHODDEF) */

#ifndef SIGNAL_PTHREAD_SIGMASK_METHODDEF

    #define SIGNAL_PTHREAD_SIGMASK_METHODDEF

#endif /* !defined(SIGNAL_PTHREAD_SIGMASK_METHODDEF) */

#ifndef SIGNAL_SIGPENDING_METHODDEF

    #define SIGNAL_SIGPENDING_METHODDEF

#endif /* !defined(SIGNAL_SIGPENDING_METHODDEF) */

#ifndef SIGNAL_SIGWAIT_METHODDEF

    #define SIGNAL_SIGWAIT_METHODDEF

#endif /* !defined(SIGNAL_SIGWAIT_METHODDEF) */

#ifndef SIGNAL_VALID_SIGNALS_METHODDEF

    #define SIGNAL_VALID_SIGNALS_METHODDEF

#endif /* !defined(SIGNAL_VALID_SIGNALS_METHODDEF) */

#ifndef SIGNAL_SIGWAITINFO_METHODDEF

    #define SIGNAL_SIGWAITINFO_METHODDEF

#endif /* !defined(SIGNAL_SIGWAITINFO_METHODDEF) */

#ifndef SIGNAL_SIGTIMEDWAIT_METHODDEF

    #define SIGNAL_SIGTIMEDWAIT_METHODDEF

#endif /* !defined(SIGNAL_SIGTIMEDWAIT_METHODDEF) */

#ifndef SIGNAL_PTHREAD_KILL_METHODDEF

    #define SIGNAL_PTHREAD_KILL_METHODDEF

#endif /* !defined(SIGNAL_PTHREAD_KILL_METHODDEF) */

/*[clinic end generated code: output=3320b8f73c20ba60 input=a9049054013a1b77]*/