diff options
Diffstat (limited to 'Modules')
-rw-r--r-- | Modules/posixmodule.c | 546 |
1 files changed, 526 insertions, 20 deletions
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c index e9ea6cd..6fb990a 100644 --- a/Modules/posixmodule.c +++ b/Modules/posixmodule.c @@ -571,7 +571,7 @@ posix_error_with_allocated_filename(PyObject* name) #ifdef MS_WINDOWS static PyObject * -win32_error(char* function, char* filename) +win32_error(char* function, const char* filename) { /* XXX We should pass the function name along in the future. (winreg.c also wants to pass the function name.) @@ -978,12 +978,28 @@ attributes_from_dir_w(LPCWSTR pszFile, LPWIN32_FILE_ATTRIBUTE_DATA pfad) return TRUE; } -static int -win32_stat(const char* path, struct win32_stat *result) +/* About the following functions: win32_lstat, win32_lstat_w, win32_stat, + win32_stat_w + + In Posix, stat automatically traverses symlinks and returns the stat + structure for the target. In Windows, the equivalent GetFileAttributes by + default does not traverse symlinks and instead returns attributes for + the symlink. + + Therefore, win32_lstat will get the attributes traditionally, and + win32_stat will first explicitly resolve the symlink target and then will + call win32_lstat on that result. + + The _w represent Unicode equivalents of the aformentioned ANSI functions. */ + +static int +win32_lstat(const char* path, struct win32_stat *result) { WIN32_FILE_ATTRIBUTE_DATA info; int code; char *dot; + WIN32_FIND_DATAA find_data; + HANDLE find_data_handle; if (!GetFileAttributesExA(path, GetFileExInfoStandard, &info)) { if (GetLastError() != ERROR_SHARING_VIOLATION) { /* Protocol violation: we explicitly clear errno, instead of @@ -1000,27 +1016,44 @@ win32_stat(const char* path, struct win32_stat *result) } } } + code = attribute_data_to_stat(&info, result); if (code != 0) return code; + + /* Get WIN32_FIND_DATA structure for the path to determine if + it is a symlink */ + if(info.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) { + find_data_handle = FindFirstFileA(path, &find_data); + if(find_data_handle != INVALID_HANDLE_VALUE) { + if(find_data.dwReserved0 == IO_REPARSE_TAG_SYMLINK) { + /* first clear the S_IFMT bits */ + result->st_mode ^= (result->st_mode & 0170000); + /* now set the bits that make this a symlink */ + result->st_mode |= 0120000; + } + FindClose(find_data_handle); + } + } + /* Set S_IFEXEC if it is an .exe, .bat, ... */ dot = strrchr(path, '.'); if (dot) { - if (stricmp(dot, ".bat") == 0 || - stricmp(dot, ".cmd") == 0 || - stricmp(dot, ".exe") == 0 || - stricmp(dot, ".com") == 0) + if (stricmp(dot, ".bat") == 0 || stricmp(dot, ".cmd") == 0 || + stricmp(dot, ".exe") == 0 || stricmp(dot, ".com") == 0) result->st_mode |= 0111; } return code; } static int -win32_wstat(const wchar_t* path, struct win32_stat *result) +win32_lstat_w(const wchar_t* path, struct win32_stat *result) { int code; const wchar_t *dot; WIN32_FILE_ATTRIBUTE_DATA info; + WIN32_FIND_DATAW find_data; + HANDLE find_data_handle; if (!GetFileAttributesExW(path, GetFileExInfoStandard, &info)) { if (GetLastError() != ERROR_SHARING_VIOLATION) { /* Protocol violation: we explicitly clear errno, instead of @@ -1028,8 +1061,8 @@ win32_wstat(const wchar_t* path, struct win32_stat *result) errno = 0; return -1; } else { - /* Could not get attributes on open file. Fall back to - reading the directory. */ + /* Could not get attributes on open file. Fall back to reading + the directory. */ if (!attributes_from_dir_w(path, &info)) { /* Very strange. This should not fail now */ errno = 0; @@ -1040,18 +1073,198 @@ win32_wstat(const wchar_t* path, struct win32_stat *result) code = attribute_data_to_stat(&info, result); if (code < 0) return code; + + /* Get WIN32_FIND_DATA structure for the path to determine if + it is a symlink */ + if(info.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) { + find_data_handle = FindFirstFileW(path, &find_data); + if(find_data_handle != INVALID_HANDLE_VALUE) { + if(find_data.dwReserved0 == IO_REPARSE_TAG_SYMLINK) { + /* first clear the S_IFMT bits */ + result->st_mode ^= (result->st_mode & 0170000); + /* now set the bits that make this a symlink */ + result->st_mode |= 0120000; + } + FindClose(find_data_handle); + } + } + /* Set IFEXEC if it is an .exe, .bat, ... */ dot = wcsrchr(path, '.'); if (dot) { - if (_wcsicmp(dot, L".bat") == 0 || - _wcsicmp(dot, L".cmd") == 0 || - _wcsicmp(dot, L".exe") == 0 || - _wcsicmp(dot, L".com") == 0) + if (_wcsicmp(dot, L".bat") == 0 || _wcsicmp(dot, L".cmd") == 0 || + _wcsicmp(dot, L".exe") == 0 || _wcsicmp(dot, L".com") == 0) result->st_mode |= 0111; } return code; } +/* Grab GetFinalPathNameByHandle dynamically from kernel32 */ +static int has_GetFinalPathNameByHandle = 0; +static DWORD (CALLBACK *Py_GetFinalPathNameByHandleA)(HANDLE, LPSTR, DWORD, + DWORD); +static DWORD (CALLBACK *Py_GetFinalPathNameByHandleW)(HANDLE, LPWSTR, DWORD, + DWORD); +static int +check_GetFinalPathNameByHandle() +{ + HINSTANCE hKernel32; + /* only recheck */ + if (!has_GetFinalPathNameByHandle) + { + hKernel32 = GetModuleHandle("KERNEL32"); + *(FARPROC*)&Py_GetFinalPathNameByHandleA = GetProcAddress(hKernel32, + "GetFinalPathNameByHandleA"); + *(FARPROC*)&Py_GetFinalPathNameByHandleW = GetProcAddress(hKernel32, + "GetFinalPathNameByHandleW"); + has_GetFinalPathNameByHandle = Py_GetFinalPathNameByHandleA && Py_GetFinalPathNameByHandleW; + } + return has_GetFinalPathNameByHandle; +} + +static int +win32_stat(const char* path, struct win32_stat *result) +{ + /* Traverse the symlink to the target using + GetFinalPathNameByHandle() + */ + int code; + HANDLE hFile; + int buf_size; + char *target_path; + int result_length; + WIN32_FILE_ATTRIBUTE_DATA info; + + if(!check_GetFinalPathNameByHandle()) { + /* if the OS doesn't have GetFinalPathNameByHandle, it doesn't + have symlinks, so just fall back to the traditional behavior + found in lstat. */ + return win32_lstat(path, result); + } + + hFile = CreateFileA( + path, + 0, /* desired access */ + 0, /* share mode */ + NULL, /* security attributes */ + OPEN_EXISTING, + /* FILE_FLAG_BACKUP_SEMANTICS is required to open a directory */ + FILE_FLAG_BACKUP_SEMANTICS, + NULL); + + if(hFile == INVALID_HANDLE_VALUE) { + /* Either the target doesn't exist, or we don't have access to + get a handle to it. If the former, we need to return an error. + If the latter, we can use attributes_from_dir. */ + if (GetLastError() != ERROR_SHARING_VIOLATION) { + /* Protocol violation: we explicitly clear errno, instead of + setting it to a POSIX error. Callers should use GetLastError. */ + errno = 0; + return -1; + } else { + /* Could not get attributes on open file. Fall back to + reading the directory. */ + if (!attributes_from_dir(path, &info)) { + /* Very strange. This should not fail now */ + errno = 0; + return -1; + } + } + code = attribute_data_to_stat(&info, result); + } + + buf_size = Py_GetFinalPathNameByHandleA(hFile, 0, 0, VOLUME_NAME_DOS); + if(!buf_size) return -1; + target_path = (char *)malloc((buf_size+1)*sizeof(char)); + result_length = Py_GetFinalPathNameByHandleA(hFile, target_path, + buf_size, VOLUME_NAME_DOS); + + if(!result_length) + return -1; + + if(!CloseHandle(hFile)) + return -1; + + target_path[result_length] = 0; + code = win32_lstat(target_path, result); + free(target_path); + + return code; +} + +static int +win32_stat_w(const wchar_t* path, struct win32_stat *result) +{ + /* Traverse the symlink to the target using GetFinalPathNameByHandle() */ + int code; + HANDLE hFile; + int buf_size; + wchar_t *target_path; + int result_length; + WIN32_FILE_ATTRIBUTE_DATA info; + + if(!check_GetFinalPathNameByHandle()) { + /* If the OS doesn't have GetFinalPathNameByHandle, it doesn't have + symlinks, so just fall back to the traditional behavior found + in lstat. */ + return win32_lstat_w(path, result); + } + + hFile = CreateFileW( + path, + 0, /* desired access */ + 0, /* share mode */ + NULL, /* security attributes */ + OPEN_EXISTING, + /* FILE_FLAG_BACKUP_SEMANTICS is required to open a directory */ + FILE_ATTRIBUTE_NORMAL|FILE_FLAG_BACKUP_SEMANTICS, + NULL); + + if(hFile == INVALID_HANDLE_VALUE) { + /* Either the target doesn't exist, or we don't have access to + get a handle to it. If the former, we need to return an error. + If the latter, we can use attributes_from_dir. */ + if (GetLastError() != ERROR_SHARING_VIOLATION) { + /* Protocol violation: we explicitly clear errno, instead of + setting it to a POSIX error. Callers should use GetLastError. */ + errno = 0; + return -1; + } else { + /* Could not get attributes on open file. Fall back to + reading the directory. */ + if (!attributes_from_dir_w(path, &info)) { + /* Very strange. This should not fail now */ + errno = 0; + return -1; + } + } + code = attribute_data_to_stat(&info, result); + } + else { + /* We have a good handle to the target, use it to determine the target + path name (then we'll call lstat on it). */ + buf_size = Py_GetFinalPathNameByHandleW(hFile, 0, 0, VOLUME_NAME_DOS); + if(!buf_size) + return -1; + + target_path = (wchar_t *)malloc((buf_size+1)*sizeof(wchar_t)); + result_length = Py_GetFinalPathNameByHandleW(hFile, target_path, + buf_size, VOLUME_NAME_DOS); + + if(!result_length) + return -1; + + if(!CloseHandle(hFile)) + return -1; + + target_path[result_length] = 0; + code = win32_lstat_w(target_path, result); + free(target_path); + } + + return code; +} + static int win32_fstat(int file_number, struct win32_stat *result) { @@ -2443,6 +2656,69 @@ posix__getfullpathname(PyObject *self, PyObject *args) } return PyBytes_FromString(outbuf); } /* end of posix__getfullpathname */ + +/* A helper function for samepath on windows */ +static PyObject * +posix__getfinalpathname(PyObject *self, PyObject *args) +{ + HANDLE hFile; + int buf_size; + wchar_t *target_path; + int result_length; + PyObject *result; + wchar_t *path; + + if (!PyArg_ParseTuple(args, "u|:_getfullpathname", &path)) { + return NULL; + } + + if(!check_GetFinalPathNameByHandle()) { + /* If the OS doesn't have GetFinalPathNameByHandle, return a + NotImplementedError. */ + return PyErr_Format(PyExc_NotImplementedError, + "GetFinalPathNameByHandle not available on this platform"); + } + + hFile = CreateFileW( + path, + 0, /* desired access */ + 0, /* share mode */ + NULL, /* security attributes */ + OPEN_EXISTING, + /* FILE_FLAG_BACKUP_SEMANTICS is required to open a directory */ + FILE_FLAG_BACKUP_SEMANTICS, + NULL); + + if(hFile == INVALID_HANDLE_VALUE) { + return win32_error_unicode("GetFinalPathNamyByHandle", path); + return PyErr_Format(PyExc_RuntimeError, "Could not get a handle to file."); + } + + /* We have a good handle to the target, use it to determine the + target path name. */ + buf_size = Py_GetFinalPathNameByHandleW(hFile, 0, 0, VOLUME_NAME_NT); + + if(!buf_size) + return win32_error_unicode("GetFinalPathNameByHandle", path); + + target_path = (wchar_t *)malloc((buf_size+1)*sizeof(wchar_t)); + if(!target_path) + return PyErr_NoMemory(); + + result_length = Py_GetFinalPathNameByHandleW(hFile, target_path, + buf_size, VOLUME_NAME_DOS); + if(!result_length) + return win32_error_unicode("GetFinalPathNamyByHandle", path); + + if(!CloseHandle(hFile)) + return win32_error_unicode("GetFinalPathNameByHandle", path); + + target_path[result_length] = 0; + result = PyUnicode_FromUnicode(target_path, result_length); + free(target_path); + return result; + +} /* end of posix__getfinalpathname */ #endif /* MS_WINDOWS */ PyDoc_STRVAR(posix_mkdir__doc__, @@ -2623,7 +2899,7 @@ static PyObject * posix_stat(PyObject *self, PyObject *args) { #ifdef MS_WINDOWS - return posix_do_stat(self, args, "O&:stat", STAT, "U:stat", win32_wstat); + return posix_do_stat(self, args, "O&:stat", STAT, "U:stat", win32_stat_w); #else return posix_do_stat(self, args, "O&:stat", STAT, NULL, NULL); #endif @@ -2681,6 +2957,41 @@ posix_umask(PyObject *self, PyObject *args) return PyLong_FromLong((long)i); } +#ifdef MS_WINDOWS + +/* override the default DeleteFileW behavior so that directory +symlinks can be removed with this function, the same as with +Unix symlinks */ +BOOL WINAPI Py_DeleteFileW(LPCWSTR lpFileName) +{ + WIN32_FILE_ATTRIBUTE_DATA info; + WIN32_FIND_DATAW find_data; + HANDLE find_data_handle; + int is_directory = 0; + int is_link = 0; + + if (GetFileAttributesExW(lpFileName, GetFileExInfoStandard, &info)) { + is_directory = info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY; + + /* Get WIN32_FIND_DATA structure for the path to determine if + it is a symlink */ + if(is_directory && + info.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) { + find_data_handle = FindFirstFileW(lpFileName, &find_data); + + if(find_data_handle != INVALID_HANDLE_VALUE) { + is_link = find_data.dwReserved0 == IO_REPARSE_TAG_SYMLINK; + FindClose(find_data_handle); + } + } + } + + if (is_directory && is_link) + return RemoveDirectoryW(lpFileName); + + return DeleteFileW(lpFileName); +} +#endif /* MS_WINDOWS */ PyDoc_STRVAR(posix_unlink__doc__, "unlink(path)\n\n\ @@ -2694,7 +3005,7 @@ static PyObject * posix_unlink(PyObject *self, PyObject *args) { #ifdef MS_WINDOWS - return win32_1str(args, "remove", "y:remove", DeleteFileA, "U:remove", DeleteFileW); + return win32_1str(args, "remove", "y:remove", DeleteFileA, "U:remove", Py_DeleteFileW); #else return posix_1str(args, "O&:remove", unlink); #endif @@ -4544,7 +4855,8 @@ posix_lstat(PyObject *self, PyObject *args) return posix_do_stat(self, args, "O&:lstat", lstat, NULL, NULL); #else /* !HAVE_LSTAT */ #ifdef MS_WINDOWS - return posix_do_stat(self, args, "O&:lstat", STAT, "U:lstat", win32_wstat); + return posix_do_stat(self, args, "O&:lstat", STAT, "U:lstat", + win32_lstat_w); #else return posix_do_stat(self, args, "O&:lstat", STAT, NULL, NULL); #endif @@ -4609,6 +4921,193 @@ posix_symlink(PyObject *self, PyObject *args) } #endif /* HAVE_SYMLINK */ +#if !defined(HAVE_READLINK) && defined(MS_WINDOWS) + +PyDoc_STRVAR(win_readlink__doc__, +"readlink(path) -> path\n\n\ +Return a string representing the path to which the symbolic link points."); + +/* The following structure was copied from + http://msdn.microsoft.com/en-us/library/ms791514.aspx as the required + include doesn't seem to be present in the Windows SDK (at least as included + with Visual Studio Express). */ +typedef struct _REPARSE_DATA_BUFFER { + ULONG ReparseTag; + USHORT ReparseDataLength; + USHORT Reserved; + union { + struct { + USHORT SubstituteNameOffset; + USHORT SubstituteNameLength; + USHORT PrintNameOffset; + USHORT PrintNameLength; + ULONG Flags; + WCHAR PathBuffer[1]; + } SymbolicLinkReparseBuffer; + + struct { + USHORT SubstituteNameOffset; + USHORT SubstituteNameLength; + USHORT PrintNameOffset; + USHORT PrintNameLength; + WCHAR PathBuffer[1]; + } MountPointReparseBuffer; + + struct { + UCHAR DataBuffer[1]; + } GenericReparseBuffer; + }; +} REPARSE_DATA_BUFFER, *PREPARSE_DATA_BUFFER; + +#define REPARSE_DATA_BUFFER_HEADER_SIZE FIELD_OFFSET(REPARSE_DATA_BUFFER, GenericReparseBuffer) + +#define MAXIMUM_REPARSE_DATA_BUFFER_SIZE ( 16 * 1024 ) + +/* Windows readlink implementation */ +static PyObject * +win_readlink(PyObject *self, PyObject *args) +{ + wchar_t *path; + DWORD n_bytes_returned; + DWORD io_result; + PyObject *result; + HANDLE reparse_point_handle; + + char target_buffer[MAXIMUM_REPARSE_DATA_BUFFER_SIZE]; + REPARSE_DATA_BUFFER *rdb = (REPARSE_DATA_BUFFER *)target_buffer; + wchar_t *print_name; + + if (!PyArg_ParseTuple(args, + "u:readlink", + &path)) + return NULL; + + /* First get a handle to the reparse point */ + Py_BEGIN_ALLOW_THREADS + reparse_point_handle = CreateFileW( + path, + 0, + 0, + 0, + OPEN_EXISTING, + FILE_FLAG_OPEN_REPARSE_POINT|FILE_FLAG_BACKUP_SEMANTICS, + 0); + Py_END_ALLOW_THREADS + + if (reparse_point_handle==INVALID_HANDLE_VALUE) + { + return win32_error_unicode("readlink", path); + } + + Py_BEGIN_ALLOW_THREADS + /* New call DeviceIoControl to read the reparse point */ + io_result = DeviceIoControl( + reparse_point_handle, + FSCTL_GET_REPARSE_POINT, + 0, 0, /* in buffer */ + target_buffer, sizeof(target_buffer), + &n_bytes_returned, + 0 /* we're not using OVERLAPPED_IO */ + ); + CloseHandle(reparse_point_handle); + Py_END_ALLOW_THREADS + + if (io_result==0) + { + return win32_error_unicode("readlink", path); + } + + if (rdb->ReparseTag != IO_REPARSE_TAG_SYMLINK) + { + PyErr_SetString(PyExc_ValueError, + "not a symbolic link"); + return NULL; + } + print_name = rdb->SymbolicLinkReparseBuffer.PathBuffer + rdb->SymbolicLinkReparseBuffer.PrintNameOffset; + result = PyUnicode_FromWideChar(print_name, rdb->SymbolicLinkReparseBuffer.PrintNameLength/2); + return result; +} + +#endif /* !defined(HAVE_READLINK) && defined(MS_WINDOWS) */ + +#if !defined(HAVE_SYMLINK) && defined(MS_WINDOWS) + +/* Grab CreateSymbolicLinkW dynamically from kernel32 */ +static int has_CreateSymbolicLinkW = 0; +static DWORD (CALLBACK *Py_CreateSymbolicLinkW)(LPWSTR, LPWSTR, DWORD); +static int +check_CreateSymbolicLinkW() +{ + HINSTANCE hKernel32; + /* only recheck */ + if (has_CreateSymbolicLinkW) + return has_CreateSymbolicLinkW; + hKernel32 = GetModuleHandle("KERNEL32"); + *(FARPROC*)&Py_CreateSymbolicLinkW = GetProcAddress(hKernel32, "CreateSymbolicLinkW"); + if (Py_CreateSymbolicLinkW) + has_CreateSymbolicLinkW = 1; + return has_CreateSymbolicLinkW; +} + +PyDoc_STRVAR(win_symlink__doc__, +"symlink(src, dst, target_is_directory=False)\n\n\ +Create a symbolic link pointing to src named dst.\n\ +target_is_directory is required if the target is to be interpreted as\n\ +a directory.\n\ +This function requires Windows 6.0 or greater, and raises a\n\ +NotImplementedError otherwise."); + +static PyObject * +win_symlink(PyObject *self, PyObject *args, PyObject *kwargs) +{ + static char *kwlist[] = {"src", "dest", "target_is_directory", NULL}; + PyObject *src, *dest; + int target_is_directory = 0; + DWORD res; + WIN32_FILE_ATTRIBUTE_DATA src_info; + + if (!check_CreateSymbolicLinkW()) + { + /* raise NotImplementedError */ + return PyErr_Format(PyExc_NotImplementedError, + "CreateSymbolicLinkW not found"); + } + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "OO|i:symlink", + kwlist, &src, &dest, &target_is_directory)) + return NULL; + if (!convert_to_unicode(&src)) { return NULL; } + if (!convert_to_unicode(&dest)) { + Py_DECREF(src); + return NULL; + } + + /* if src is a directory, ensure target_is_directory==1 */ + if( + GetFileAttributesExW( + PyUnicode_AsUnicode(src), GetFileExInfoStandard, &src_info + )) + { + target_is_directory = target_is_directory || + (src_info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY); + } + + Py_BEGIN_ALLOW_THREADS + res = Py_CreateSymbolicLinkW( + PyUnicode_AsUnicode(dest), + PyUnicode_AsUnicode(src), + target_is_directory); + Py_END_ALLOW_THREADS + Py_DECREF(src); + Py_DECREF(dest); + if (!res) + { + return win32_error_unicode("symlink", PyUnicode_AsUnicode(src)); + } + + Py_INCREF(Py_None); + return Py_None; +} +#endif /* !defined(HAVE_SYMLINK) && defined(MS_WINDOWS) */ #ifdef HAVE_TIMES #if defined(PYCC_VACPP) && defined(PYOS_OS2) @@ -7076,13 +7575,19 @@ static PyMethodDef posix_methods[] = { #ifdef HAVE_READLINK {"readlink", posix_readlink, METH_VARARGS, posix_readlink__doc__}, #endif /* HAVE_READLINK */ - {"rename", posix_rename, METH_VARARGS, posix_rename__doc__}, - {"rmdir", posix_rmdir, METH_VARARGS, posix_rmdir__doc__}, - {"stat", posix_stat, METH_VARARGS, posix_stat__doc__}, +#if !defined(HAVE_READLINK) && defined(MS_WINDOWS) + {"readlink", win_readlink, METH_VARARGS, win_readlink__doc__}, +#endif /* !defined(HAVE_READLINK) && defined(MS_WINDOWS) */ + {"rename", posix_rename, METH_VARARGS, posix_rename__doc__}, + {"rmdir", posix_rmdir, METH_VARARGS, posix_rmdir__doc__}, + {"stat", posix_stat, METH_VARARGS, posix_stat__doc__}, {"stat_float_times", stat_float_times, METH_VARARGS, stat_float_times__doc__}, #ifdef HAVE_SYMLINK {"symlink", posix_symlink, METH_VARARGS, posix_symlink__doc__}, #endif /* HAVE_SYMLINK */ +#if !defined(HAVE_SYMLINK) && defined(MS_WINDOWS) + {"symlink", (PyCFunction)win_symlink, METH_VARARGS | METH_KEYWORDS, win_symlink__doc__}, +#endif /* !defined(HAVE_SYMLINK) && defined(MS_WINDOWS) */ #ifdef HAVE_SYSTEM {"system", posix_system, METH_VARARGS, posix_system__doc__}, #endif @@ -7307,6 +7812,7 @@ static PyMethodDef posix_methods[] = { {"abort", posix_abort, METH_NOARGS, posix_abort__doc__}, #ifdef MS_WINDOWS {"_getfullpathname", posix__getfullpathname, METH_VARARGS, NULL}, + {"_getfinalpathname", posix__getfinalpathname, METH_VARARGS, NULL}, #endif #ifdef HAVE_GETLOADAVG {"getloadavg", posix_getloadavg, METH_NOARGS, posix_getloadavg__doc__}, |