mirror of https://github.com/python/cpython
781 lines
21 KiB
C
781 lines
21 KiB
C
/*[clinic input]
|
|
preserve
|
|
[clinic start generated code]*/
|
|
|
|
#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
|
|
# include "pycore_gc.h" // PyGC_Head
|
|
# include "pycore_runtime.h" // _Py_ID()
|
|
#endif
|
|
#include "pycore_modsupport.h" // _PyArg_CheckPositional()
|
|
|
|
PyDoc_STRVAR(signal_default_int_handler__doc__,
|
|
"default_int_handler($module, signalnum, frame, /)\n"
|
|
"--\n"
|
|
"\n"
|
|
"The default handler for SIGINT installed by Python.\n"
|
|
"\n"
|
|
"It raises KeyboardInterrupt.");
|
|
|
|
#define SIGNAL_DEFAULT_INT_HANDLER_METHODDEF \
|
|
{"default_int_handler", _PyCFunction_CAST(signal_default_int_handler), METH_FASTCALL, signal_default_int_handler__doc__},
|
|
|
|
static PyObject *
|
|
signal_default_int_handler_impl(PyObject *module, int signalnum,
|
|
PyObject *frame);
|
|
|
|
static PyObject *
|
|
signal_default_int_handler(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
|
|
{
|
|
PyObject *return_value = NULL;
|
|
int signalnum;
|
|
PyObject *frame;
|
|
|
|
if (!_PyArg_CheckPositional("default_int_handler", nargs, 2, 2)) {
|
|
goto exit;
|
|
}
|
|
signalnum = PyLong_AsInt(args[0]);
|
|
if (signalnum == -1 && PyErr_Occurred()) {
|
|
goto exit;
|
|
}
|
|
frame = args[1];
|
|
return_value = signal_default_int_handler_impl(module, signalnum, frame);
|
|
|
|
exit:
|
|
return return_value;
|
|
}
|
|
|
|
#if defined(HAVE_ALARM)
|
|
|
|
PyDoc_STRVAR(signal_alarm__doc__,
|
|
"alarm($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;
|
|
|
|
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;
|
|
|
|
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($module, signalnum, handler, /)\n"
|
|
"--\n"
|
|
"\n"
|
|
"Set the action for the given signal.\n"
|
|
"\n"
|
|
"The action can be SIG_DFL, SIG_IGN, or a callable Python object.\n"
|
|
"The previous action is returned. See getsignal() for possible return values.\n"
|
|
"\n"
|
|
"*** IMPORTANT NOTICE ***\n"
|
|
"A signal handler function is called with two arguments:\n"
|
|
"the first is the signal number, the second is the interrupted stack frame.");
|
|
|
|
#define SIGNAL_SIGNAL_METHODDEF \
|
|
{"signal", _PyCFunction_CAST(signal_signal), METH_FASTCALL, signal_signal__doc__},
|
|
|
|
static PyObject *
|
|
signal_signal_impl(PyObject *module, int signalnum, PyObject *handler);
|
|
|
|
static PyObject *
|
|
signal_signal(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
|
|
{
|
|
PyObject *return_value = NULL;
|
|
int signalnum;
|
|
PyObject *handler;
|
|
|
|
if (!_PyArg_CheckPositional("signal", nargs, 2, 2)) {
|
|
goto exit;
|
|
}
|
|
signalnum = PyLong_AsInt(args[0]);
|
|
if (signalnum == -1 && PyErr_Occurred()) {
|
|
goto exit;
|
|
}
|
|
handler = args[1];
|
|
return_value = signal_signal_impl(module, signalnum, handler);
|
|
|
|
exit:
|
|
return return_value;
|
|
}
|
|
|
|
PyDoc_STRVAR(signal_getsignal__doc__,
|
|
"getsignal($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;
|
|
|
|
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($module, signalnum, /)\n"
|
|
"--\n"
|
|
"\n"
|
|
"Return the system description of the given signal.\n"
|
|
"\n"
|
|
"Returns the description of signal *signalnum*, such as \"Interrupt\"\n"
|
|
"for :const:`SIGINT`. Returns :const:`None` if *signalnum* has no\n"
|
|
"description. Raises :exc:`ValueError` if *signalnum* is invalid.");
|
|
|
|
#define SIGNAL_STRSIGNAL_METHODDEF \
|
|
{"strsignal", (PyCFunction)signal_strsignal, METH_O, signal_strsignal__doc__},
|
|
|
|
static PyObject *
|
|
signal_strsignal_impl(PyObject *module, int signalnum);
|
|
|
|
static PyObject *
|
|
signal_strsignal(PyObject *module, PyObject *arg)
|
|
{
|
|
PyObject *return_value = NULL;
|
|
int signalnum;
|
|
|
|
signalnum = PyLong_AsInt(arg);
|
|
if (signalnum == -1 && PyErr_Occurred()) {
|
|
goto exit;
|
|
}
|
|
return_value = signal_strsignal_impl(module, signalnum);
|
|
|
|
exit:
|
|
return return_value;
|
|
}
|
|
|
|
#if defined(HAVE_SIGINTERRUPT)
|
|
|
|
PyDoc_STRVAR(signal_siginterrupt__doc__,
|
|
"siginterrupt($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_CAST(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;
|
|
}
|
|
signalnum = PyLong_AsInt(args[0]);
|
|
if (signalnum == -1 && PyErr_Occurred()) {
|
|
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) */
|
|
|
|
PyDoc_STRVAR(signal_set_wakeup_fd__doc__,
|
|
"set_wakeup_fd($module, fd, /, *, warn_on_full_buffer=True)\n"
|
|
"--\n"
|
|
"\n"
|
|
"Sets the fd to be written to (with the signal number) when a signal comes in.\n"
|
|
"\n"
|
|
"A library can use this to wakeup select or poll.\n"
|
|
"The previous fd or -1 is returned.\n"
|
|
"\n"
|
|
"The fd must be non-blocking.");
|
|
|
|
#define SIGNAL_SET_WAKEUP_FD_METHODDEF \
|
|
{"set_wakeup_fd", _PyCFunction_CAST(signal_set_wakeup_fd), METH_FASTCALL|METH_KEYWORDS, signal_set_wakeup_fd__doc__},
|
|
|
|
static PyObject *
|
|
signal_set_wakeup_fd_impl(PyObject *module, PyObject *fdobj,
|
|
int warn_on_full_buffer);
|
|
|
|
static PyObject *
|
|
signal_set_wakeup_fd(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
|
|
{
|
|
PyObject *return_value = NULL;
|
|
#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
|
|
|
|
#define NUM_KEYWORDS 1
|
|
static struct {
|
|
PyGC_Head _this_is_not_used;
|
|
PyObject_VAR_HEAD
|
|
PyObject *ob_item[NUM_KEYWORDS];
|
|
} _kwtuple = {
|
|
.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
|
|
.ob_item = { &_Py_ID(warn_on_full_buffer), },
|
|
};
|
|
#undef NUM_KEYWORDS
|
|
#define KWTUPLE (&_kwtuple.ob_base.ob_base)
|
|
|
|
#else // !Py_BUILD_CORE
|
|
# define KWTUPLE NULL
|
|
#endif // !Py_BUILD_CORE
|
|
|
|
static const char * const _keywords[] = {"", "warn_on_full_buffer", NULL};
|
|
static _PyArg_Parser _parser = {
|
|
.keywords = _keywords,
|
|
.fname = "set_wakeup_fd",
|
|
.kwtuple = KWTUPLE,
|
|
};
|
|
#undef KWTUPLE
|
|
PyObject *argsbuf[2];
|
|
Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
|
|
PyObject *fdobj;
|
|
int warn_on_full_buffer = 1;
|
|
|
|
args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,
|
|
/*minpos*/ 1, /*maxpos*/ 1, /*minkw*/ 0, /*varpos*/ 0, argsbuf);
|
|
if (!args) {
|
|
goto exit;
|
|
}
|
|
fdobj = args[0];
|
|
if (!noptargs) {
|
|
goto skip_optional_kwonly;
|
|
}
|
|
warn_on_full_buffer = PyObject_IsTrue(args[1]);
|
|
if (warn_on_full_buffer < 0) {
|
|
goto exit;
|
|
}
|
|
skip_optional_kwonly:
|
|
return_value = signal_set_wakeup_fd_impl(module, fdobj, warn_on_full_buffer);
|
|
|
|
exit:
|
|
return return_value;
|
|
}
|
|
|
|
#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_CAST(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;
|
|
}
|
|
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($module, which, /)\n"
|
|
"--\n"
|
|
"\n"
|
|
"Returns current value of given itimer.");
|
|
|
|
#define SIGNAL_GETITIMER_METHODDEF \
|
|
{"getitimer", (PyCFunction)signal_getitimer, METH_O, signal_getitimer__doc__},
|
|
|
|
static PyObject *
|
|
signal_getitimer_impl(PyObject *module, int which);
|
|
|
|
static PyObject *
|
|
signal_getitimer(PyObject *module, PyObject *arg)
|
|
{
|
|
PyObject *return_value = NULL;
|
|
int which;
|
|
|
|
which = PyLong_AsInt(arg);
|
|
if (which == -1 && PyErr_Occurred()) {
|
|
goto exit;
|
|
}
|
|
return_value = signal_getitimer_impl(module, which);
|
|
|
|
exit:
|
|
return return_value;
|
|
}
|
|
|
|
#endif /* defined(HAVE_GETITIMER) */
|
|
|
|
#if defined(HAVE_SIGSET_T) && defined(PYPTHREAD_SIGMASK)
|
|
|
|
PyDoc_STRVAR(signal_pthread_sigmask__doc__,
|
|
"pthread_sigmask($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_CAST(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;
|
|
}
|
|
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(HAVE_SIGSET_T) && defined(PYPTHREAD_SIGMASK) */
|
|
|
|
#if defined(HAVE_SIGSET_T) && defined(HAVE_SIGPENDING)
|
|
|
|
PyDoc_STRVAR(signal_sigpending__doc__,
|
|
"sigpending($module, /)\n"
|
|
"--\n"
|
|
"\n"
|
|
"Examine pending signals.\n"
|
|
"\n"
|
|
"Returns a set of signal numbers that are pending for delivery to\n"
|
|
"the calling thread.");
|
|
|
|
#define SIGNAL_SIGPENDING_METHODDEF \
|
|
{"sigpending", (PyCFunction)signal_sigpending, METH_NOARGS, signal_sigpending__doc__},
|
|
|
|
static PyObject *
|
|
signal_sigpending_impl(PyObject *module);
|
|
|
|
static PyObject *
|
|
signal_sigpending(PyObject *module, PyObject *Py_UNUSED(ignored))
|
|
{
|
|
return signal_sigpending_impl(module);
|
|
}
|
|
|
|
#endif /* defined(HAVE_SIGSET_T) && defined(HAVE_SIGPENDING) */
|
|
|
|
#if defined(HAVE_SIGSET_T) && defined(HAVE_SIGWAIT)
|
|
|
|
PyDoc_STRVAR(signal_sigwait__doc__,
|
|
"sigwait($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_SIGSET_T) && defined(HAVE_SIGWAIT) */
|
|
|
|
#if ((defined(HAVE_SIGFILLSET) && defined(HAVE_SIGSET_T)) || defined(MS_WINDOWS))
|
|
|
|
PyDoc_STRVAR(signal_valid_signals__doc__,
|
|
"valid_signals($module, /)\n"
|
|
"--\n"
|
|
"\n"
|
|
"Return a set of valid signal numbers on this platform.\n"
|
|
"\n"
|
|
"The signal numbers returned by this function can be safely passed to\n"
|
|
"functions like `pthread_sigmask`.");
|
|
|
|
#define SIGNAL_VALID_SIGNALS_METHODDEF \
|
|
{"valid_signals", (PyCFunction)signal_valid_signals, METH_NOARGS, signal_valid_signals__doc__},
|
|
|
|
static PyObject *
|
|
signal_valid_signals_impl(PyObject *module);
|
|
|
|
static PyObject *
|
|
signal_valid_signals(PyObject *module, PyObject *Py_UNUSED(ignored))
|
|
{
|
|
return signal_valid_signals_impl(module);
|
|
}
|
|
|
|
#endif /* ((defined(HAVE_SIGFILLSET) && defined(HAVE_SIGSET_T)) || defined(MS_WINDOWS)) */
|
|
|
|
#if defined(HAVE_SIGSET_T) && defined(HAVE_SIGWAITINFO)
|
|
|
|
PyDoc_STRVAR(signal_sigwaitinfo__doc__,
|
|
"sigwaitinfo($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_SIGSET_T) && defined(HAVE_SIGWAITINFO) */
|
|
|
|
#if defined(HAVE_SIGSET_T) && defined(HAVE_SIGTIMEDWAIT)
|
|
|
|
PyDoc_STRVAR(signal_sigtimedwait__doc__,
|
|
"sigtimedwait($module, sigset, timeout, /)\n"
|
|
"--\n"
|
|
"\n"
|
|
"Like sigwaitinfo(), but with a timeout.\n"
|
|
"\n"
|
|
"The timeout is specified in seconds, with floating-point numbers allowed.");
|
|
|
|
#define SIGNAL_SIGTIMEDWAIT_METHODDEF \
|
|
{"sigtimedwait", _PyCFunction_CAST(signal_sigtimedwait), METH_FASTCALL, signal_sigtimedwait__doc__},
|
|
|
|
static PyObject *
|
|
signal_sigtimedwait_impl(PyObject *module, sigset_t sigset,
|
|
PyObject *timeout_obj);
|
|
|
|
static PyObject *
|
|
signal_sigtimedwait(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
|
|
{
|
|
PyObject *return_value = NULL;
|
|
sigset_t sigset;
|
|
PyObject *timeout_obj;
|
|
|
|
if (!_PyArg_CheckPositional("sigtimedwait", nargs, 2, 2)) {
|
|
goto exit;
|
|
}
|
|
if (!_Py_Sigset_Converter(args[0], &sigset)) {
|
|
goto exit;
|
|
}
|
|
timeout_obj = args[1];
|
|
return_value = signal_sigtimedwait_impl(module, sigset, timeout_obj);
|
|
|
|
exit:
|
|
return return_value;
|
|
}
|
|
|
|
#endif /* defined(HAVE_SIGSET_T) && defined(HAVE_SIGTIMEDWAIT) */
|
|
|
|
#if defined(HAVE_PTHREAD_KILL)
|
|
|
|
PyDoc_STRVAR(signal_pthread_kill__doc__,
|
|
"pthread_kill($module, thread_id, signalnum, /)\n"
|
|
"--\n"
|
|
"\n"
|
|
"Send a signal to a thread.");
|
|
|
|
#define SIGNAL_PTHREAD_KILL_METHODDEF \
|
|
{"pthread_kill", _PyCFunction_CAST(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]);
|
|
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) */
|
|
|
|
#if (defined(__linux__) && defined(__NR_pidfd_send_signal) && !(defined(__ANDROID__) && __ANDROID_API__ < 31))
|
|
|
|
PyDoc_STRVAR(signal_pidfd_send_signal__doc__,
|
|
"pidfd_send_signal($module, pidfd, signalnum, siginfo=None, flags=0, /)\n"
|
|
"--\n"
|
|
"\n"
|
|
"Send a signal to a process referred to by a pid file descriptor.");
|
|
|
|
#define SIGNAL_PIDFD_SEND_SIGNAL_METHODDEF \
|
|
{"pidfd_send_signal", _PyCFunction_CAST(signal_pidfd_send_signal), METH_FASTCALL, signal_pidfd_send_signal__doc__},
|
|
|
|
static PyObject *
|
|
signal_pidfd_send_signal_impl(PyObject *module, int pidfd, int signalnum,
|
|
PyObject *siginfo, int flags);
|
|
|
|
static PyObject *
|
|
signal_pidfd_send_signal(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
|
|
{
|
|
PyObject *return_value = NULL;
|
|
int pidfd;
|
|
int signalnum;
|
|
PyObject *siginfo = Py_None;
|
|
int flags = 0;
|
|
|
|
if (!_PyArg_CheckPositional("pidfd_send_signal", nargs, 2, 4)) {
|
|
goto exit;
|
|
}
|
|
pidfd = PyLong_AsInt(args[0]);
|
|
if (pidfd == -1 && PyErr_Occurred()) {
|
|
goto exit;
|
|
}
|
|
signalnum = PyLong_AsInt(args[1]);
|
|
if (signalnum == -1 && PyErr_Occurred()) {
|
|
goto exit;
|
|
}
|
|
if (nargs < 3) {
|
|
goto skip_optional;
|
|
}
|
|
siginfo = args[2];
|
|
if (nargs < 4) {
|
|
goto skip_optional;
|
|
}
|
|
flags = PyLong_AsInt(args[3]);
|
|
if (flags == -1 && PyErr_Occurred()) {
|
|
goto exit;
|
|
}
|
|
skip_optional:
|
|
return_value = signal_pidfd_send_signal_impl(module, pidfd, signalnum, siginfo, flags);
|
|
|
|
exit:
|
|
return return_value;
|
|
}
|
|
|
|
#endif /* (defined(__linux__) && defined(__NR_pidfd_send_signal) && !(defined(__ANDROID__) && __ANDROID_API__ < 31)) */
|
|
|
|
#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) */
|
|
|
|
#ifndef SIGNAL_PIDFD_SEND_SIGNAL_METHODDEF
|
|
#define SIGNAL_PIDFD_SEND_SIGNAL_METHODDEF
|
|
#endif /* !defined(SIGNAL_PIDFD_SEND_SIGNAL_METHODDEF) */
|
|
/*[clinic end generated code: output=356e1acc44a4f377 input=a9049054013a1b77]*/
|