mirror of https://github.com/python/cpython
577 lines
17 KiB
C
577 lines
17 KiB
C
/*[clinic input]
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preserve
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[clinic start generated code]*/
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#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
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# include "pycore_gc.h" // PyGC_Head
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# include "pycore_runtime.h" // _Py_ID()
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#endif
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#include "pycore_critical_section.h"// Py_BEGIN_CRITICAL_SECTION()
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#include "pycore_modsupport.h" // _PyArg_UnpackKeywords()
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#if defined(HAVE_MP_SEMAPHORE) && defined(MS_WINDOWS)
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PyDoc_STRVAR(_multiprocessing_SemLock_acquire__doc__,
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"acquire($self, /, block=True, timeout=None)\n"
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"--\n"
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"\n"
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"Acquire the semaphore/lock.");
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#define _MULTIPROCESSING_SEMLOCK_ACQUIRE_METHODDEF \
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{"acquire", _PyCFunction_CAST(_multiprocessing_SemLock_acquire), METH_FASTCALL|METH_KEYWORDS, _multiprocessing_SemLock_acquire__doc__},
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static PyObject *
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_multiprocessing_SemLock_acquire_impl(SemLockObject *self, int blocking,
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PyObject *timeout_obj);
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static PyObject *
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_multiprocessing_SemLock_acquire(SemLockObject *self, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
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{
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PyObject *return_value = NULL;
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#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
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#define NUM_KEYWORDS 2
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static struct {
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PyGC_Head _this_is_not_used;
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PyObject_VAR_HEAD
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PyObject *ob_item[NUM_KEYWORDS];
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} _kwtuple = {
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.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
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.ob_item = { &_Py_ID(block), &_Py_ID(timeout), },
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};
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#undef NUM_KEYWORDS
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#define KWTUPLE (&_kwtuple.ob_base.ob_base)
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#else // !Py_BUILD_CORE
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# define KWTUPLE NULL
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#endif // !Py_BUILD_CORE
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static const char * const _keywords[] = {"block", "timeout", NULL};
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static _PyArg_Parser _parser = {
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.keywords = _keywords,
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.fname = "acquire",
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.kwtuple = KWTUPLE,
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};
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#undef KWTUPLE
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PyObject *argsbuf[2];
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Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 0;
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int blocking = 1;
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PyObject *timeout_obj = Py_None;
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args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 0, 2, 0, argsbuf);
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if (!args) {
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goto exit;
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}
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if (!noptargs) {
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goto skip_optional_pos;
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}
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if (args[0]) {
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blocking = PyObject_IsTrue(args[0]);
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if (blocking < 0) {
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goto exit;
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}
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if (!--noptargs) {
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goto skip_optional_pos;
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}
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}
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timeout_obj = args[1];
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skip_optional_pos:
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Py_BEGIN_CRITICAL_SECTION(self);
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return_value = _multiprocessing_SemLock_acquire_impl(self, blocking, timeout_obj);
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Py_END_CRITICAL_SECTION();
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exit:
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return return_value;
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}
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#endif /* defined(HAVE_MP_SEMAPHORE) && defined(MS_WINDOWS) */
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#if defined(HAVE_MP_SEMAPHORE) && defined(MS_WINDOWS)
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PyDoc_STRVAR(_multiprocessing_SemLock_release__doc__,
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"release($self, /)\n"
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"--\n"
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"\n"
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"Release the semaphore/lock.");
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#define _MULTIPROCESSING_SEMLOCK_RELEASE_METHODDEF \
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{"release", (PyCFunction)_multiprocessing_SemLock_release, METH_NOARGS, _multiprocessing_SemLock_release__doc__},
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static PyObject *
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_multiprocessing_SemLock_release_impl(SemLockObject *self);
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static PyObject *
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_multiprocessing_SemLock_release(SemLockObject *self, PyObject *Py_UNUSED(ignored))
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{
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PyObject *return_value = NULL;
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Py_BEGIN_CRITICAL_SECTION(self);
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return_value = _multiprocessing_SemLock_release_impl(self);
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Py_END_CRITICAL_SECTION();
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return return_value;
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}
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#endif /* defined(HAVE_MP_SEMAPHORE) && defined(MS_WINDOWS) */
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#if defined(HAVE_MP_SEMAPHORE) && !defined(MS_WINDOWS)
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PyDoc_STRVAR(_multiprocessing_SemLock_acquire__doc__,
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"acquire($self, /, block=True, timeout=None)\n"
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"--\n"
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"\n"
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"Acquire the semaphore/lock.");
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#define _MULTIPROCESSING_SEMLOCK_ACQUIRE_METHODDEF \
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{"acquire", _PyCFunction_CAST(_multiprocessing_SemLock_acquire), METH_FASTCALL|METH_KEYWORDS, _multiprocessing_SemLock_acquire__doc__},
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static PyObject *
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_multiprocessing_SemLock_acquire_impl(SemLockObject *self, int blocking,
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PyObject *timeout_obj);
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static PyObject *
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_multiprocessing_SemLock_acquire(SemLockObject *self, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
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{
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PyObject *return_value = NULL;
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#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
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#define NUM_KEYWORDS 2
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static struct {
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PyGC_Head _this_is_not_used;
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PyObject_VAR_HEAD
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PyObject *ob_item[NUM_KEYWORDS];
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} _kwtuple = {
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.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
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.ob_item = { &_Py_ID(block), &_Py_ID(timeout), },
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};
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#undef NUM_KEYWORDS
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#define KWTUPLE (&_kwtuple.ob_base.ob_base)
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#else // !Py_BUILD_CORE
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# define KWTUPLE NULL
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#endif // !Py_BUILD_CORE
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static const char * const _keywords[] = {"block", "timeout", NULL};
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static _PyArg_Parser _parser = {
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.keywords = _keywords,
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.fname = "acquire",
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.kwtuple = KWTUPLE,
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};
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#undef KWTUPLE
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PyObject *argsbuf[2];
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Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 0;
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int blocking = 1;
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PyObject *timeout_obj = Py_None;
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args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 0, 2, 0, argsbuf);
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if (!args) {
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goto exit;
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}
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if (!noptargs) {
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goto skip_optional_pos;
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}
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if (args[0]) {
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blocking = PyObject_IsTrue(args[0]);
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if (blocking < 0) {
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goto exit;
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}
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if (!--noptargs) {
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goto skip_optional_pos;
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}
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}
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timeout_obj = args[1];
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skip_optional_pos:
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Py_BEGIN_CRITICAL_SECTION(self);
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return_value = _multiprocessing_SemLock_acquire_impl(self, blocking, timeout_obj);
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Py_END_CRITICAL_SECTION();
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exit:
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return return_value;
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}
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#endif /* defined(HAVE_MP_SEMAPHORE) && !defined(MS_WINDOWS) */
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#if defined(HAVE_MP_SEMAPHORE) && !defined(MS_WINDOWS)
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PyDoc_STRVAR(_multiprocessing_SemLock_release__doc__,
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"release($self, /)\n"
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"--\n"
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"\n"
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"Release the semaphore/lock.");
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#define _MULTIPROCESSING_SEMLOCK_RELEASE_METHODDEF \
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{"release", (PyCFunction)_multiprocessing_SemLock_release, METH_NOARGS, _multiprocessing_SemLock_release__doc__},
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static PyObject *
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_multiprocessing_SemLock_release_impl(SemLockObject *self);
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static PyObject *
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_multiprocessing_SemLock_release(SemLockObject *self, PyObject *Py_UNUSED(ignored))
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{
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PyObject *return_value = NULL;
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Py_BEGIN_CRITICAL_SECTION(self);
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return_value = _multiprocessing_SemLock_release_impl(self);
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Py_END_CRITICAL_SECTION();
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return return_value;
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}
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#endif /* defined(HAVE_MP_SEMAPHORE) && !defined(MS_WINDOWS) */
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#if defined(HAVE_MP_SEMAPHORE)
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static PyObject *
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_multiprocessing_SemLock_impl(PyTypeObject *type, int kind, int value,
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int maxvalue, const char *name, int unlink);
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static PyObject *
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_multiprocessing_SemLock(PyTypeObject *type, PyObject *args, PyObject *kwargs)
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{
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PyObject *return_value = NULL;
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#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
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#define NUM_KEYWORDS 5
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static struct {
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PyGC_Head _this_is_not_used;
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PyObject_VAR_HEAD
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PyObject *ob_item[NUM_KEYWORDS];
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} _kwtuple = {
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.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
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.ob_item = { &_Py_ID(kind), &_Py_ID(value), &_Py_ID(maxvalue), &_Py_ID(name), &_Py_ID(unlink), },
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};
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#undef NUM_KEYWORDS
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#define KWTUPLE (&_kwtuple.ob_base.ob_base)
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#else // !Py_BUILD_CORE
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# define KWTUPLE NULL
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#endif // !Py_BUILD_CORE
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static const char * const _keywords[] = {"kind", "value", "maxvalue", "name", "unlink", NULL};
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static _PyArg_Parser _parser = {
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.keywords = _keywords,
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.fname = "SemLock",
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.kwtuple = KWTUPLE,
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};
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#undef KWTUPLE
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PyObject *argsbuf[5];
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PyObject * const *fastargs;
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Py_ssize_t nargs = PyTuple_GET_SIZE(args);
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int kind;
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int value;
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int maxvalue;
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const char *name;
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int unlink;
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fastargs = _PyArg_UnpackKeywords(_PyTuple_CAST(args)->ob_item, nargs, kwargs, NULL, &_parser, 5, 5, 0, argsbuf);
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if (!fastargs) {
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goto exit;
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}
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kind = PyLong_AsInt(fastargs[0]);
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if (kind == -1 && PyErr_Occurred()) {
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goto exit;
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}
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value = PyLong_AsInt(fastargs[1]);
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if (value == -1 && PyErr_Occurred()) {
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goto exit;
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}
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maxvalue = PyLong_AsInt(fastargs[2]);
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if (maxvalue == -1 && PyErr_Occurred()) {
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goto exit;
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}
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if (!PyUnicode_Check(fastargs[3])) {
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_PyArg_BadArgument("SemLock", "argument 'name'", "str", fastargs[3]);
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goto exit;
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}
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Py_ssize_t name_length;
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name = PyUnicode_AsUTF8AndSize(fastargs[3], &name_length);
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if (name == NULL) {
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goto exit;
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}
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if (strlen(name) != (size_t)name_length) {
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PyErr_SetString(PyExc_ValueError, "embedded null character");
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goto exit;
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}
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unlink = PyObject_IsTrue(fastargs[4]);
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if (unlink < 0) {
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goto exit;
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}
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return_value = _multiprocessing_SemLock_impl(type, kind, value, maxvalue, name, unlink);
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exit:
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return return_value;
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}
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#endif /* defined(HAVE_MP_SEMAPHORE) */
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#if defined(HAVE_MP_SEMAPHORE)
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PyDoc_STRVAR(_multiprocessing_SemLock__rebuild__doc__,
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"_rebuild($type, handle, kind, maxvalue, name, /)\n"
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"--\n"
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"\n");
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#define _MULTIPROCESSING_SEMLOCK__REBUILD_METHODDEF \
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{"_rebuild", _PyCFunction_CAST(_multiprocessing_SemLock__rebuild), METH_FASTCALL|METH_CLASS, _multiprocessing_SemLock__rebuild__doc__},
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static PyObject *
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_multiprocessing_SemLock__rebuild_impl(PyTypeObject *type, SEM_HANDLE handle,
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int kind, int maxvalue,
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const char *name);
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static PyObject *
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_multiprocessing_SemLock__rebuild(PyTypeObject *type, PyObject *const *args, Py_ssize_t nargs)
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{
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PyObject *return_value = NULL;
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SEM_HANDLE handle;
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int kind;
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int maxvalue;
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const char *name;
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if (!_PyArg_ParseStack(args, nargs, ""F_SEM_HANDLE"iiz:_rebuild",
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&handle, &kind, &maxvalue, &name)) {
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goto exit;
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}
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return_value = _multiprocessing_SemLock__rebuild_impl(type, handle, kind, maxvalue, name);
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exit:
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return return_value;
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}
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#endif /* defined(HAVE_MP_SEMAPHORE) */
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#if defined(HAVE_MP_SEMAPHORE)
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PyDoc_STRVAR(_multiprocessing_SemLock__count__doc__,
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"_count($self, /)\n"
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"--\n"
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"\n"
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"Num of `acquire()`s minus num of `release()`s for this process.");
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#define _MULTIPROCESSING_SEMLOCK__COUNT_METHODDEF \
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{"_count", (PyCFunction)_multiprocessing_SemLock__count, METH_NOARGS, _multiprocessing_SemLock__count__doc__},
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static PyObject *
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_multiprocessing_SemLock__count_impl(SemLockObject *self);
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static PyObject *
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_multiprocessing_SemLock__count(SemLockObject *self, PyObject *Py_UNUSED(ignored))
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{
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PyObject *return_value = NULL;
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Py_BEGIN_CRITICAL_SECTION(self);
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return_value = _multiprocessing_SemLock__count_impl(self);
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Py_END_CRITICAL_SECTION();
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return return_value;
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}
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#endif /* defined(HAVE_MP_SEMAPHORE) */
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#if defined(HAVE_MP_SEMAPHORE)
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PyDoc_STRVAR(_multiprocessing_SemLock__is_mine__doc__,
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"_is_mine($self, /)\n"
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"--\n"
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"\n"
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"Whether the lock is owned by this thread.");
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#define _MULTIPROCESSING_SEMLOCK__IS_MINE_METHODDEF \
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{"_is_mine", (PyCFunction)_multiprocessing_SemLock__is_mine, METH_NOARGS, _multiprocessing_SemLock__is_mine__doc__},
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static PyObject *
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_multiprocessing_SemLock__is_mine_impl(SemLockObject *self);
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static PyObject *
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_multiprocessing_SemLock__is_mine(SemLockObject *self, PyObject *Py_UNUSED(ignored))
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{
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return _multiprocessing_SemLock__is_mine_impl(self);
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}
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#endif /* defined(HAVE_MP_SEMAPHORE) */
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#if defined(HAVE_MP_SEMAPHORE)
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PyDoc_STRVAR(_multiprocessing_SemLock__get_value__doc__,
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"_get_value($self, /)\n"
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"--\n"
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"\n"
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"Get the value of the semaphore.");
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#define _MULTIPROCESSING_SEMLOCK__GET_VALUE_METHODDEF \
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{"_get_value", (PyCFunction)_multiprocessing_SemLock__get_value, METH_NOARGS, _multiprocessing_SemLock__get_value__doc__},
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static PyObject *
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_multiprocessing_SemLock__get_value_impl(SemLockObject *self);
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static PyObject *
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_multiprocessing_SemLock__get_value(SemLockObject *self, PyObject *Py_UNUSED(ignored))
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{
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return _multiprocessing_SemLock__get_value_impl(self);
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}
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#endif /* defined(HAVE_MP_SEMAPHORE) */
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#if defined(HAVE_MP_SEMAPHORE)
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PyDoc_STRVAR(_multiprocessing_SemLock__is_zero__doc__,
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"_is_zero($self, /)\n"
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"--\n"
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"\n"
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"Return whether semaphore has value zero.");
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#define _MULTIPROCESSING_SEMLOCK__IS_ZERO_METHODDEF \
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{"_is_zero", (PyCFunction)_multiprocessing_SemLock__is_zero, METH_NOARGS, _multiprocessing_SemLock__is_zero__doc__},
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static PyObject *
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_multiprocessing_SemLock__is_zero_impl(SemLockObject *self);
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static PyObject *
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_multiprocessing_SemLock__is_zero(SemLockObject *self, PyObject *Py_UNUSED(ignored))
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{
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return _multiprocessing_SemLock__is_zero_impl(self);
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}
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#endif /* defined(HAVE_MP_SEMAPHORE) */
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#if defined(HAVE_MP_SEMAPHORE)
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PyDoc_STRVAR(_multiprocessing_SemLock__after_fork__doc__,
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"_after_fork($self, /)\n"
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"--\n"
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"\n"
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"Rezero the net acquisition count after fork().");
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#define _MULTIPROCESSING_SEMLOCK__AFTER_FORK_METHODDEF \
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{"_after_fork", (PyCFunction)_multiprocessing_SemLock__after_fork, METH_NOARGS, _multiprocessing_SemLock__after_fork__doc__},
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static PyObject *
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_multiprocessing_SemLock__after_fork_impl(SemLockObject *self);
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static PyObject *
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_multiprocessing_SemLock__after_fork(SemLockObject *self, PyObject *Py_UNUSED(ignored))
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{
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return _multiprocessing_SemLock__after_fork_impl(self);
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}
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#endif /* defined(HAVE_MP_SEMAPHORE) */
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#if defined(HAVE_MP_SEMAPHORE)
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PyDoc_STRVAR(_multiprocessing_SemLock___enter____doc__,
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"__enter__($self, /)\n"
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"--\n"
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"\n"
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"Enter the semaphore/lock.");
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#define _MULTIPROCESSING_SEMLOCK___ENTER___METHODDEF \
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{"__enter__", (PyCFunction)_multiprocessing_SemLock___enter__, METH_NOARGS, _multiprocessing_SemLock___enter____doc__},
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static PyObject *
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_multiprocessing_SemLock___enter___impl(SemLockObject *self);
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static PyObject *
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_multiprocessing_SemLock___enter__(SemLockObject *self, PyObject *Py_UNUSED(ignored))
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{
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PyObject *return_value = NULL;
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|
Py_BEGIN_CRITICAL_SECTION(self);
|
|
return_value = _multiprocessing_SemLock___enter___impl(self);
|
|
Py_END_CRITICAL_SECTION();
|
|
|
|
return return_value;
|
|
}
|
|
|
|
#endif /* defined(HAVE_MP_SEMAPHORE) */
|
|
|
|
#if defined(HAVE_MP_SEMAPHORE)
|
|
|
|
PyDoc_STRVAR(_multiprocessing_SemLock___exit____doc__,
|
|
"__exit__($self, exc_type=None, exc_value=None, exc_tb=None, /)\n"
|
|
"--\n"
|
|
"\n"
|
|
"Exit the semaphore/lock.");
|
|
|
|
#define _MULTIPROCESSING_SEMLOCK___EXIT___METHODDEF \
|
|
{"__exit__", _PyCFunction_CAST(_multiprocessing_SemLock___exit__), METH_FASTCALL, _multiprocessing_SemLock___exit____doc__},
|
|
|
|
static PyObject *
|
|
_multiprocessing_SemLock___exit___impl(SemLockObject *self,
|
|
PyObject *exc_type,
|
|
PyObject *exc_value, PyObject *exc_tb);
|
|
|
|
static PyObject *
|
|
_multiprocessing_SemLock___exit__(SemLockObject *self, PyObject *const *args, Py_ssize_t nargs)
|
|
{
|
|
PyObject *return_value = NULL;
|
|
PyObject *exc_type = Py_None;
|
|
PyObject *exc_value = Py_None;
|
|
PyObject *exc_tb = Py_None;
|
|
|
|
if (!_PyArg_CheckPositional("__exit__", nargs, 0, 3)) {
|
|
goto exit;
|
|
}
|
|
if (nargs < 1) {
|
|
goto skip_optional;
|
|
}
|
|
exc_type = args[0];
|
|
if (nargs < 2) {
|
|
goto skip_optional;
|
|
}
|
|
exc_value = args[1];
|
|
if (nargs < 3) {
|
|
goto skip_optional;
|
|
}
|
|
exc_tb = args[2];
|
|
skip_optional:
|
|
Py_BEGIN_CRITICAL_SECTION(self);
|
|
return_value = _multiprocessing_SemLock___exit___impl(self, exc_type, exc_value, exc_tb);
|
|
Py_END_CRITICAL_SECTION();
|
|
|
|
exit:
|
|
return return_value;
|
|
}
|
|
|
|
#endif /* defined(HAVE_MP_SEMAPHORE) */
|
|
|
|
#ifndef _MULTIPROCESSING_SEMLOCK_ACQUIRE_METHODDEF
|
|
#define _MULTIPROCESSING_SEMLOCK_ACQUIRE_METHODDEF
|
|
#endif /* !defined(_MULTIPROCESSING_SEMLOCK_ACQUIRE_METHODDEF) */
|
|
|
|
#ifndef _MULTIPROCESSING_SEMLOCK_RELEASE_METHODDEF
|
|
#define _MULTIPROCESSING_SEMLOCK_RELEASE_METHODDEF
|
|
#endif /* !defined(_MULTIPROCESSING_SEMLOCK_RELEASE_METHODDEF) */
|
|
|
|
#ifndef _MULTIPROCESSING_SEMLOCK__REBUILD_METHODDEF
|
|
#define _MULTIPROCESSING_SEMLOCK__REBUILD_METHODDEF
|
|
#endif /* !defined(_MULTIPROCESSING_SEMLOCK__REBUILD_METHODDEF) */
|
|
|
|
#ifndef _MULTIPROCESSING_SEMLOCK__COUNT_METHODDEF
|
|
#define _MULTIPROCESSING_SEMLOCK__COUNT_METHODDEF
|
|
#endif /* !defined(_MULTIPROCESSING_SEMLOCK__COUNT_METHODDEF) */
|
|
|
|
#ifndef _MULTIPROCESSING_SEMLOCK__IS_MINE_METHODDEF
|
|
#define _MULTIPROCESSING_SEMLOCK__IS_MINE_METHODDEF
|
|
#endif /* !defined(_MULTIPROCESSING_SEMLOCK__IS_MINE_METHODDEF) */
|
|
|
|
#ifndef _MULTIPROCESSING_SEMLOCK__GET_VALUE_METHODDEF
|
|
#define _MULTIPROCESSING_SEMLOCK__GET_VALUE_METHODDEF
|
|
#endif /* !defined(_MULTIPROCESSING_SEMLOCK__GET_VALUE_METHODDEF) */
|
|
|
|
#ifndef _MULTIPROCESSING_SEMLOCK__IS_ZERO_METHODDEF
|
|
#define _MULTIPROCESSING_SEMLOCK__IS_ZERO_METHODDEF
|
|
#endif /* !defined(_MULTIPROCESSING_SEMLOCK__IS_ZERO_METHODDEF) */
|
|
|
|
#ifndef _MULTIPROCESSING_SEMLOCK__AFTER_FORK_METHODDEF
|
|
#define _MULTIPROCESSING_SEMLOCK__AFTER_FORK_METHODDEF
|
|
#endif /* !defined(_MULTIPROCESSING_SEMLOCK__AFTER_FORK_METHODDEF) */
|
|
|
|
#ifndef _MULTIPROCESSING_SEMLOCK___ENTER___METHODDEF
|
|
#define _MULTIPROCESSING_SEMLOCK___ENTER___METHODDEF
|
|
#endif /* !defined(_MULTIPROCESSING_SEMLOCK___ENTER___METHODDEF) */
|
|
|
|
#ifndef _MULTIPROCESSING_SEMLOCK___EXIT___METHODDEF
|
|
#define _MULTIPROCESSING_SEMLOCK___EXIT___METHODDEF
|
|
#endif /* !defined(_MULTIPROCESSING_SEMLOCK___EXIT___METHODDEF) */
|
|
/*[clinic end generated code: output=dea36482d23a355f input=a9049054013a1b77]*/
|