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107 lines
2.3 KiB
107 lines
2.3 KiB
#include <Python.h>
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#include <semaphore.h>
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static int
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parse_sem_t(PyObject *object, void *address)
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{
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*((sem_t **)address) = PyLong_AsVoidPtr(object);
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return 1;
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}
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static PyObject *
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namedsem_sem_open(PyObject *self, PyObject *args)
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{
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const char *name;
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int oflag;
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unsigned int value;
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sem_t *result;
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PyArg_ParseTuple(args, "siI", &name, &oflag, &value);
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result = sem_open(name, oflag, 0600, value);
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return PyLong_FromVoidPtr(result);
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}
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static PyObject *
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namedsem_sem_close(PyObject *self, PyObject *args)
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{
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sem_t *sem;
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int result;
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PyArg_ParseTuple(args, "O&", &parse_sem_t, &sem);
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result = sem_close(sem);
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return Py_BuildValue("i", result);
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}
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static PyObject *
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namedsem_sem_unlink(PyObject *self, PyObject *args)
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{
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const char *name;
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int result;
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PyArg_ParseTuple(args, "s", &name);
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result = sem_unlink(name);
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return Py_BuildValue("i", result);
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}
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static PyObject *
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namedsem_sem_wait(PyObject *self, PyObject *args)
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{
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sem_t *sem;
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int result;
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PyArg_ParseTuple(args, "O&", &parse_sem_t, &sem);
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result = sem_wait(sem);
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return Py_BuildValue("i", result);
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}
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static PyObject *
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namedsem_sem_post(PyObject *self, PyObject *args)
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{
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sem_t *sem;
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int result;
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PyArg_ParseTuple(args, "O&", &parse_sem_t, &sem);
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result = sem_post(sem);
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return Py_BuildValue("i", result);
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}
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static PyObject *
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namedsem_sem_getvalue(PyObject *self, PyObject *args)
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{
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sem_t *sem;
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int sval;
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PyArg_ParseTuple(args, "O&", &parse_sem_t, &sem);
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sem_getvalue(sem, &sval);
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return Py_BuildValue("i", sval);
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}
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static PyMethodDef NamedsemMethods[] = {
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{"sem_open", namedsem_sem_open, METH_VARARGS, "Execute sem_open()."},
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{"sem_close", namedsem_sem_close, METH_VARARGS, "Execute sem_close()."},
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{"sem_unlink", namedsem_sem_unlink, METH_VARARGS, "Execute sem_unlink()."},
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{"sem_wait", namedsem_sem_wait, METH_VARARGS, "Execute sem_wait()."},
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{"sem_post", namedsem_sem_post, METH_VARARGS, "Execute sem_post()."},
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{"sem_getvalue", namedsem_sem_getvalue, METH_VARARGS, "Execute sem_getvalue()."},
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{NULL, NULL, 0, NULL}
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};
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PyMODINIT_FUNC
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initnamedsem(void) {
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PyObject *module;
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module = Py_InitModule("namedsem", NamedsemMethods);
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PyModule_AddIntConstant(module, "SEM_FAILED", (long)SEM_FAILED);
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}
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