diff options
Diffstat (limited to 'Modules/_multiprocessing/win32_functions.c')
-rw-r--r-- | Modules/_multiprocessing/win32_functions.c | 267 |
1 files changed, 0 insertions, 267 deletions
diff --git a/Modules/_multiprocessing/win32_functions.c b/Modules/_multiprocessing/win32_functions.c deleted file mode 100644 index 0e348c4..0000000 --- a/Modules/_multiprocessing/win32_functions.c +++ /dev/null @@ -1,267 +0,0 @@ -/* - * Win32 functions used by multiprocessing package - * - * win32_functions.c - * - * Copyright (c) 2006-2008, R Oudkerk --- see COPYING.txt - */ - -#include "multiprocessing.h" - - -#define WIN32_FUNCTION(func) \ - {#func, (PyCFunction)win32_ ## func, METH_VARARGS | METH_STATIC, ""} - -#define WIN32_CONSTANT(fmt, con) \ - PyDict_SetItemString(Win32Type.tp_dict, #con, Py_BuildValue(fmt, con)) - - -static PyObject * -win32_CloseHandle(PyObject *self, PyObject *args) -{ - HANDLE hObject; - BOOL success; - - if (!PyArg_ParseTuple(args, F_HANDLE, &hObject)) - return NULL; - - Py_BEGIN_ALLOW_THREADS - success = CloseHandle(hObject); - Py_END_ALLOW_THREADS - - if (!success) - return PyErr_SetFromWindowsErr(0); - - Py_RETURN_NONE; -} - -static PyObject * -win32_ConnectNamedPipe(PyObject *self, PyObject *args) -{ - HANDLE hNamedPipe; - LPOVERLAPPED lpOverlapped; - BOOL success; - - if (!PyArg_ParseTuple(args, F_HANDLE F_POINTER, - &hNamedPipe, &lpOverlapped)) - return NULL; - - Py_BEGIN_ALLOW_THREADS - success = ConnectNamedPipe(hNamedPipe, lpOverlapped); - Py_END_ALLOW_THREADS - - if (!success) - return PyErr_SetFromWindowsErr(0); - - Py_RETURN_NONE; -} - -static PyObject * -win32_CreateFile(PyObject *self, PyObject *args) -{ - LPCTSTR lpFileName; - DWORD dwDesiredAccess; - DWORD dwShareMode; - LPSECURITY_ATTRIBUTES lpSecurityAttributes; - DWORD dwCreationDisposition; - DWORD dwFlagsAndAttributes; - HANDLE hTemplateFile; - HANDLE handle; - - if (!PyArg_ParseTuple(args, "s" F_DWORD F_DWORD F_POINTER - F_DWORD F_DWORD F_HANDLE, - &lpFileName, &dwDesiredAccess, &dwShareMode, - &lpSecurityAttributes, &dwCreationDisposition, - &dwFlagsAndAttributes, &hTemplateFile)) - return NULL; - - Py_BEGIN_ALLOW_THREADS - handle = CreateFile(lpFileName, dwDesiredAccess, - dwShareMode, lpSecurityAttributes, - dwCreationDisposition, - dwFlagsAndAttributes, hTemplateFile); - Py_END_ALLOW_THREADS - - if (handle == INVALID_HANDLE_VALUE) - return PyErr_SetFromWindowsErr(0); - - return Py_BuildValue(F_HANDLE, handle); -} - -static PyObject * -win32_CreateNamedPipe(PyObject *self, PyObject *args) -{ - LPCTSTR lpName; - DWORD dwOpenMode; - DWORD dwPipeMode; - DWORD nMaxInstances; - DWORD nOutBufferSize; - DWORD nInBufferSize; - DWORD nDefaultTimeOut; - LPSECURITY_ATTRIBUTES lpSecurityAttributes; - HANDLE handle; - - if (!PyArg_ParseTuple(args, "s" F_DWORD F_DWORD F_DWORD - F_DWORD F_DWORD F_DWORD F_POINTER, - &lpName, &dwOpenMode, &dwPipeMode, - &nMaxInstances, &nOutBufferSize, - &nInBufferSize, &nDefaultTimeOut, - &lpSecurityAttributes)) - return NULL; - - Py_BEGIN_ALLOW_THREADS - handle = CreateNamedPipe(lpName, dwOpenMode, dwPipeMode, - nMaxInstances, nOutBufferSize, - nInBufferSize, nDefaultTimeOut, - lpSecurityAttributes); - Py_END_ALLOW_THREADS - - if (handle == INVALID_HANDLE_VALUE) - return PyErr_SetFromWindowsErr(0); - - return Py_BuildValue(F_HANDLE, handle); -} - -static PyObject * -win32_ExitProcess(PyObject *self, PyObject *args) -{ - UINT uExitCode; - - if (!PyArg_ParseTuple(args, "I", &uExitCode)) - return NULL; - - #if defined(Py_DEBUG) - SetErrorMode(SEM_FAILCRITICALERRORS|SEM_NOALIGNMENTFAULTEXCEPT|SEM_NOGPFAULTERRORBOX|SEM_NOOPENFILEERRORBOX); - _CrtSetReportMode(_CRT_ASSERT, _CRTDBG_MODE_DEBUG); - #endif - - - ExitProcess(uExitCode); - - return NULL; -} - -static PyObject * -win32_GetLastError(PyObject *self, PyObject *args) -{ - return Py_BuildValue(F_DWORD, GetLastError()); -} - -static PyObject * -win32_OpenProcess(PyObject *self, PyObject *args) -{ - DWORD dwDesiredAccess; - BOOL bInheritHandle; - DWORD dwProcessId; - HANDLE handle; - - if (!PyArg_ParseTuple(args, F_DWORD "i" F_DWORD, - &dwDesiredAccess, &bInheritHandle, &dwProcessId)) - return NULL; - - handle = OpenProcess(dwDesiredAccess, bInheritHandle, dwProcessId); - if (handle == NULL) - return PyErr_SetFromWindowsErr(0); - - return Py_BuildValue(F_HANDLE, handle); -} - -static PyObject * -win32_SetNamedPipeHandleState(PyObject *self, PyObject *args) -{ - HANDLE hNamedPipe; - PyObject *oArgs[3]; - DWORD dwArgs[3], *pArgs[3] = {NULL, NULL, NULL}; - int i; - - if (!PyArg_ParseTuple(args, F_HANDLE "OOO", - &hNamedPipe, &oArgs[0], &oArgs[1], &oArgs[2])) - return NULL; - - PyErr_Clear(); - - for (i = 0 ; i < 3 ; i++) { - if (oArgs[i] != Py_None) { - dwArgs[i] = PyLong_AsUnsignedLongMask(oArgs[i]); - if (PyErr_Occurred()) - return NULL; - pArgs[i] = &dwArgs[i]; - } - } - - if (!SetNamedPipeHandleState(hNamedPipe, pArgs[0], pArgs[1], pArgs[2])) - return PyErr_SetFromWindowsErr(0); - - Py_RETURN_NONE; -} - -static PyObject * -win32_WaitNamedPipe(PyObject *self, PyObject *args) -{ - LPCTSTR lpNamedPipeName; - DWORD nTimeOut; - BOOL success; - - if (!PyArg_ParseTuple(args, "s" F_DWORD, &lpNamedPipeName, &nTimeOut)) - return NULL; - - Py_BEGIN_ALLOW_THREADS - success = WaitNamedPipe(lpNamedPipeName, nTimeOut); - Py_END_ALLOW_THREADS - - if (!success) - return PyErr_SetFromWindowsErr(0); - - Py_RETURN_NONE; -} - -static PyMethodDef win32_methods[] = { - WIN32_FUNCTION(CloseHandle), - WIN32_FUNCTION(GetLastError), - WIN32_FUNCTION(OpenProcess), - WIN32_FUNCTION(ExitProcess), - WIN32_FUNCTION(ConnectNamedPipe), - WIN32_FUNCTION(CreateFile), - WIN32_FUNCTION(CreateNamedPipe), - WIN32_FUNCTION(SetNamedPipeHandleState), - WIN32_FUNCTION(WaitNamedPipe), - {NULL} -}; - - -PyTypeObject Win32Type = { - PyVarObject_HEAD_INIT(NULL, 0) -}; - - -PyObject * -create_win32_namespace(void) -{ - Win32Type.tp_name = "_multiprocessing.win32"; - Win32Type.tp_methods = win32_methods; - if (PyType_Ready(&Win32Type) < 0) - return NULL; - Py_INCREF(&Win32Type); - - WIN32_CONSTANT(F_DWORD, ERROR_ALREADY_EXISTS); - WIN32_CONSTANT(F_DWORD, ERROR_NO_DATA); - WIN32_CONSTANT(F_DWORD, ERROR_PIPE_BUSY); - WIN32_CONSTANT(F_DWORD, ERROR_PIPE_CONNECTED); - WIN32_CONSTANT(F_DWORD, ERROR_SEM_TIMEOUT); - WIN32_CONSTANT(F_DWORD, GENERIC_READ); - WIN32_CONSTANT(F_DWORD, GENERIC_WRITE); - WIN32_CONSTANT(F_DWORD, INFINITE); - WIN32_CONSTANT(F_DWORD, NMPWAIT_WAIT_FOREVER); - WIN32_CONSTANT(F_DWORD, OPEN_EXISTING); - WIN32_CONSTANT(F_DWORD, PIPE_ACCESS_DUPLEX); - WIN32_CONSTANT(F_DWORD, PIPE_ACCESS_INBOUND); - WIN32_CONSTANT(F_DWORD, PIPE_READMODE_MESSAGE); - WIN32_CONSTANT(F_DWORD, PIPE_TYPE_MESSAGE); - WIN32_CONSTANT(F_DWORD, PIPE_UNLIMITED_INSTANCES); - WIN32_CONSTANT(F_DWORD, PIPE_WAIT); - WIN32_CONSTANT(F_DWORD, PROCESS_ALL_ACCESS); - - WIN32_CONSTANT("i", NULL); - - return (PyObject*)&Win32Type; -} |