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Diffstat (limited to 'libs/utils/ported.cpp')
-rw-r--r-- | libs/utils/ported.cpp | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/libs/utils/ported.cpp b/libs/utils/ported.cpp deleted file mode 100644 index 656e46f..0000000 --- a/libs/utils/ported.cpp +++ /dev/null @@ -1,106 +0,0 @@ -/* - * Copyright (C) 2005 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -// -// Ports of standard functions that don't exist on a specific platform. -// -// Note these are NOT in the "android" namespace. -// -#include <utils/ported.h> - -#if defined(NEED_GETTIMEOFDAY) || defined(NEED_USLEEP) -# include <sys/time.h> -# include <windows.h> -#endif - - -#if defined(NEED_GETTIMEOFDAY) -/* - * Replacement gettimeofday() for Windows environments (primarily MinGW). - * - * Ignores "tz". - */ -int gettimeofday(struct timeval* ptv, struct timezone* tz) -{ - long long nsTime; // time in 100ns units since Jan 1 1601 - FILETIME ft; - - if (tz != NULL) { - // oh well - } - - ::GetSystemTimeAsFileTime(&ft); - nsTime = (long long) ft.dwHighDateTime << 32 | - (long long) ft.dwLowDateTime; - // convert to time in usec since Jan 1 1970 - ptv->tv_usec = (long) ((nsTime / 10LL) % 1000000LL); - ptv->tv_sec = (long) ((nsTime - 116444736000000000LL) / 10000000LL); - - return 0; -} -#endif - -#if defined(NEED_USLEEP) -// -// Replacement usleep for Windows environments (primarily MinGW). -// -void usleep(unsigned long usec) -{ - // Win32 API function Sleep() takes milliseconds - ::Sleep((usec + 500) / 1000); -} -#endif - -#if 0 //defined(NEED_PIPE) -// -// Replacement pipe() command for MinGW -// -// The _O_NOINHERIT flag sets bInheritHandle to FALSE in the -// SecurityAttributes argument to CreatePipe(). This means the handles -// aren't inherited when a new process is created. The examples I've seen -// use it, possibly because there's a lot of junk going on behind the -// scenes. (I'm assuming "process" and "thread" are different here, so -// we should be okay spinning up a thread.) The recommended practice is -// to dup() the descriptor you want the child to have. -// -// It appears that unnamed pipes can't do non-blocking ("overlapped") I/O. -// You can't use select() either, since that only works on sockets. The -// Windows API calls that are useful here all operate on a HANDLE, not -// an integer file descriptor, and I don't think you can get there from -// here. The "named pipe" stuff is insane. -// -int pipe(int filedes[2]) -{ - return _pipe(filedes, 0, _O_BINARY | _O_NOINHERIT); -} -#endif - -#if defined(NEED_SETENV) -/* - * MinGW lacks these. For now, just stub them out so the code compiles. - */ -int setenv(const char* name, const char* value, int overwrite) -{ - return 0; -} -void unsetenv(const char* name) -{ -} -char* getenv(const char* name) -{ - return NULL; -} -#endif |