diff options
Diffstat (limited to 'ACE/ace/OS_NS_unistd.inl')
| -rw-r--r-- | ACE/ace/OS_NS_unistd.inl | 1193 |
1 files changed, 1193 insertions, 0 deletions
diff --git a/ACE/ace/OS_NS_unistd.inl b/ACE/ace/OS_NS_unistd.inl new file mode 100644 index 00000000000..62bb81d6be5 --- /dev/null +++ b/ACE/ace/OS_NS_unistd.inl @@ -0,0 +1,1193 @@ +// -*- C++ -*- +// +// $Id$ + +#include "ace/OS_NS_sys_utsname.h" +#include "ace/OS_NS_string.h" +#include "ace/OS_NS_errno.h" +#include "ace/OS_NS_macros.h" +#include "ace/OS_NS_fcntl.h" +#include "ace/Default_Constants.h" +#include "ace/OS_Memory.h" +#include "ace/Truncate.h" + +#if defined (ACE_HAS_CLOCK_GETTIME) +# include "ace/os_include/os_time.h" +#endif /* ACE_HAS_CLOCK_GETTIME */ + +#if defined (ACE_LACKS_ACCESS) +# include "ace/OS_NS_stdio.h" +#endif /* ACE_LACKS_ACCESS */ + +#if defined (ACE_VXWORKS) || defined (ACE_HAS_WINCE) +# include "ace/os_include/os_unistd.h" +# if defined (ACE_VXWORKS) && ((ACE_VXWORKS >= 0x620) && (ACE_VXWORKS <= 0x660)) +# if defined (__RTP__) +# include "ace/os_include/os_strings.h" +# else +# include "ace/os_include/os_string.h" +# endif +# endif +#endif /* VXWORKS || ACE_HAS_WINCE */ + +ACE_BEGIN_VERSIONED_NAMESPACE_DECL + +ACE_INLINE int +ACE_OS::access (const char *path, int amode) +{ + ACE_OS_TRACE ("ACE_OS::access"); +#if defined (ACE_LACKS_ACCESS) +# if defined (ACE_HAS_WINCE) || defined (ACE_VXWORKS) + // @@ WINCE: There should be a Win32 API that can do this. + // Hard coded read access here. + ACE_UNUSED_ARG (amode); + FILE* handle = ACE_OS::fopen (ACE_TEXT_CHAR_TO_TCHAR(path), + ACE_TEXT ("r")); + if (handle != 0) + { + ACE_OS::fclose (handle); + return 0; + } + return (-1); +# else + ACE_UNUSED_ARG (path); + ACE_UNUSED_ARG (amode); + ACE_NOTSUP_RETURN (-1); +# endif // ACE_HAS_WINCE +#elif defined(ACE_WIN32) + // Windows doesn't support checking X_OK(6) + ACE_OSCALL_RETURN (::access (path, amode & 6), int, -1); +#else + ACE_OSCALL_RETURN (::access (path, amode), int, -1); +#endif /* ACE_LACKS_ACCESS */ +} + + +#if defined (ACE_HAS_WCHAR) +ACE_INLINE int +ACE_OS::access (const wchar_t *path, int amode) +{ +#if defined (ACE_WIN32) && !defined (ACE_HAS_WINCE) + ACE_OSCALL_RETURN (::_waccess (path, amode), int, -1); +#else /* ACE_WIN32 && !ACE_HAS_WINCE */ + return ACE_OS::access (ACE_Wide_To_Ascii (path).char_rep (), amode); +#endif /* ACE_WIN32 && !ACE_HAS_WINCE */ +} +#endif /* ACE_HAS_WCHAR */ + +ACE_INLINE u_int +ACE_OS::alarm (u_int secs) +{ + ACE_OS_TRACE ("ACE_OS::alarm"); +#if defined (ACE_LACKS_ALARM) + ACE_UNUSED_ARG (secs); + ACE_NOTSUP_RETURN (0); +#else + return ::alarm (secs); +#endif /* ACE_LACKS_ALARM */ +} + +ACE_INLINE long +ACE_OS::getpagesize (void) +{ + ACE_OS_TRACE ("ACE_OS::getpagesize"); +#if defined (ACE_WIN32) && !defined (ACE_HAS_PHARLAP) + SYSTEM_INFO sys_info; + ::GetSystemInfo (&sys_info); + return (long) sys_info.dwPageSize; +#elif defined (_SC_PAGESIZE) && !defined (ACE_HAS_NOTSUP_SC_PAGESIZE) + return ::sysconf (_SC_PAGESIZE); +#elif defined (ACE_HAS_GETPAGESIZE) + return ::getpagesize (); +#else + // Use the default set in config.h + return ACE_PAGE_SIZE; +#endif /* ACE_WIN32 */ +} + +ACE_INLINE long +ACE_OS::allocation_granularity (void) +{ +#if defined (ACE_WIN32) + SYSTEM_INFO sys_info; + ::GetSystemInfo (&sys_info); + return sys_info.dwAllocationGranularity; +#else + return ACE_OS::getpagesize (); +#endif /* ACE_WIN32 */ +} + +#if !defined (ACE_LACKS_CHDIR) +ACE_INLINE int +ACE_OS::chdir (const char *path) +{ + ACE_OS_TRACE ("ACE_OS::chdir"); +#if defined (ACE_HAS_NONCONST_CHDIR) + ACE_OSCALL_RETURN (::chdir (const_cast<char *> (path)), int, -1); +#elif defined (ACE_HAS_WINCE) + ACE_UNUSED_ARG (path); + ACE_NOTSUP_RETURN (-1); +#else + ACE_OSCALL_RETURN (::chdir (path), int, -1); +#endif /* ACE_HAS_NONCONST_CHDIR */ +} + +#if defined (ACE_HAS_WCHAR) +ACE_INLINE int +ACE_OS::chdir (const wchar_t *path) +{ +#if defined (ACE_WIN32) && !defined (ACE_HAS_WINCE) + ACE_OSCALL_RETURN (::_wchdir (path), int, -1); +#else /* ACE_WIN32 */ + return ACE_OS::chdir (ACE_Wide_To_Ascii (path).char_rep ()); +#endif /* ACE_WIN32 */ +} +#endif /* ACE_HAS_WCHAR */ +#endif /* ACE_LACKS_CHDIR */ + +ACE_INLINE int +ACE_OS::rmdir (const char *path) +{ +#if defined (ACE_HAS_WINCE) + ACE_WIN32CALL_RETURN (ACE_ADAPT_RETVAL (::RemoveDirectory (ACE_TEXT_CHAR_TO_TCHAR (path)), + ace_result_), + int, -1); +#else + ACE_OSCALL_RETURN (::rmdir (path), int, -1); +#endif /* ACE_WIN32 */ +} + +#if defined (ACE_HAS_WCHAR) +ACE_INLINE int +ACE_OS::rmdir (const wchar_t *path) +{ +#if defined (ACE_HAS_WINCE) + ACE_WIN32CALL_RETURN (ACE_ADAPT_RETVAL (::RemoveDirectoryW (path), + ace_result_), + int, -1); +#elif defined (ACE_WIN32) + ACE_OSCALL_RETURN (::_wrmdir (path), int, -1); +#else + ACE_Wide_To_Ascii n_path (path); + return ACE_OS::rmdir (n_path.char_rep ()); +#endif /* ACE_HAS_WINCE */ +} +#endif /* ACE_HAS_WCHAR */ + +// @todo: which 4 and why??? dhinton +// NOTE: The following four function definitions must appear before +// ACE_OS::sema_init (). + +ACE_INLINE int +ACE_OS::close (ACE_HANDLE handle) +{ + ACE_OS_TRACE ("ACE_OS::close"); +#if defined (ACE_WIN32) + ACE_WIN32CALL_RETURN (ACE_ADAPT_RETVAL (::CloseHandle (handle), ace_result_), int, -1); +#else + ACE_OSCALL_RETURN (::close (handle), int, -1); +#endif /* ACE_WIN32 */ +} + +ACE_INLINE ACE_HANDLE +ACE_OS::dup (ACE_HANDLE handle) +{ + ACE_OS_TRACE ("ACE_OS::dup"); +#if defined (ACE_WIN32) && !defined (ACE_HAS_WINCE) + ACE_HANDLE new_fd; + if (::DuplicateHandle(::GetCurrentProcess (), + handle, + ::GetCurrentProcess(), + &new_fd, + 0, + TRUE, + DUPLICATE_SAME_ACCESS)) + return new_fd; + else + ACE_FAIL_RETURN (ACE_INVALID_HANDLE); + /* NOTREACHED */ +#elif defined (ACE_LACKS_DUP) + ACE_UNUSED_ARG (handle); + ACE_NOTSUP_RETURN (-1); +#elif defined (ACE_HAS_WINCE) + ACE_UNUSED_ARG (handle); + ACE_NOTSUP_RETURN (0); +#else + ACE_OSCALL_RETURN (::dup (handle), ACE_HANDLE, ACE_INVALID_HANDLE); +#endif /* ACE_WIN32 && !ACE_HAS_WINCE */ +} + +ACE_INLINE int +ACE_OS::dup2 (ACE_HANDLE oldhandle, ACE_HANDLE newhandle) +{ + ACE_OS_TRACE ("ACE_OS::dup2"); +#if defined (ACE_LACKS_DUP2) + // msvcrt has _dup2 ?! + ACE_UNUSED_ARG (oldhandle); + ACE_UNUSED_ARG (newhandle); + ACE_NOTSUP_RETURN (-1); +#else + ACE_OSCALL_RETURN (::dup2 (oldhandle, newhandle), int, -1); +#endif /* ACE_LACKS_DUP2 */ +} + +ACE_INLINE int +ACE_OS::execv (const char *path, + char *const argv[]) +{ + ACE_OS_TRACE ("ACE_OS::execv"); +#if defined (ACE_LACKS_EXEC) + ACE_UNUSED_ARG (path); + ACE_UNUSED_ARG (argv); + + ACE_NOTSUP_RETURN (-1); +#elif defined (ACE_WIN32) +# if defined (__BORLANDC__) /* VSB */ + return ::execv (path, argv); +# elif defined (__MINGW32__) + return ::_execv (path, (char *const *) argv); +# else + // Why this odd-looking code? If execv() returns at all, it's an error. + // Windows defines this as returning an intptr_t rather than a simple int, + // and the conversion triggers compile warnings. So just return -1 if + // the call returns. + ::_execv (path, (const char *const *) argv); + return -1; +# endif /* __BORLANDC__ */ +#else + ACE_OSCALL_RETURN (::execv (path, argv), int, -1); +#endif /* ACE_LACKS_EXEC */ +} + +ACE_INLINE int +ACE_OS::execve (const char *path, + char *const argv[], + char *const envp[]) +{ + ACE_OS_TRACE ("ACE_OS::execve"); +#if defined (ACE_LACKS_EXEC) + ACE_UNUSED_ARG (path); + ACE_UNUSED_ARG (argv); + ACE_UNUSED_ARG (envp); + + ACE_NOTSUP_RETURN (-1); +#elif defined (ACE_WIN32) +# if defined (__BORLANDC__) /* VSB */ + return ::execve (path, argv, envp); +# elif defined (__MINGW32__) + return ::_execve (path, (char *const *) argv, (char *const *) envp); +# else + // Why this odd-looking code? If execv() returns at all, it's an error. + // Windows defines this as returning an intptr_t rather than a simple int, + // and the conversion triggers compile warnings. So just return -1 if + // the call returns. + ::_execve (path, (const char *const *) argv, (const char *const *) envp); + return -1; +# endif /* __BORLANDC__ */ +#else + ACE_OSCALL_RETURN (::execve (path, argv, envp), int, -1); +#endif /* ACE_LACKS_EXEC */ +} + +ACE_INLINE int +ACE_OS::execvp (const char *file, + char *const argv[]) +{ + ACE_OS_TRACE ("ACE_OS::execvp"); +#if defined (ACE_LACKS_EXEC) + ACE_UNUSED_ARG (file); + ACE_UNUSED_ARG (argv); + + ACE_NOTSUP_RETURN (-1); +#elif defined (ACE_WIN32) +# if defined (__BORLANDC__) /* VSB */ + return ::execvp (file, argv); +# elif defined (__MINGW32__) + return ::_execvp (file, (char *const *) argv); +# else + // Why this odd-looking code? If execv() returns at all, it's an error. + // Windows defines this as returning an intptr_t rather than a simple int, + // and the conversion triggers compile warnings. So just return -1 if + // the call returns. + ::_execvp (file, (const char *const *) argv); + return -1; +# endif /* __BORLANDC__ */ +#else + ACE_OSCALL_RETURN (::execvp (file, argv), int, -1); +#endif /* ACE_LACKS_EXEC */ +} + +ACE_INLINE pid_t +ACE_OS::fork (void) +{ + ACE_OS_TRACE ("ACE_OS::fork"); +#if defined (ACE_LACKS_FORK) + ACE_NOTSUP_RETURN (pid_t (-1)); +#else + ACE_OSCALL_RETURN (::fork (), pid_t, -1); +#endif /* ACE_LACKS_FORK */ +} + +ACE_INLINE int +ACE_OS::fsync (ACE_HANDLE handle) +{ + ACE_OS_TRACE ("ACE_OS::fsync"); +# if defined (ACE_LACKS_FSYNC) + ACE_UNUSED_ARG (handle); + ACE_NOTSUP_RETURN (-1); +# elif defined (ACE_WIN32) + ACE_WIN32CALL_RETURN (ACE_ADAPT_RETVAL (::FlushFileBuffers (handle), ace_result_), int, -1); +# else + ACE_OSCALL_RETURN (::fsync (handle), int, -1); +# endif /* ACE_LACKS_FSYNC */ +} + +ACE_INLINE int +ACE_OS::ftruncate (ACE_HANDLE handle, ACE_OFF_T offset) +{ + ACE_OS_TRACE ("ACE_OS::ftruncate"); +#if defined (ACE_WIN32) +# if !defined (ACE_LACKS_WIN32_SETFILEPOINTEREX) + LARGE_INTEGER loff; + loff.QuadPart = offset; + if (::SetFilePointerEx (handle, loff, 0, FILE_BEGIN)) +# else + if (::SetFilePointer (handle, + offset, + 0, + FILE_BEGIN) != INVALID_SET_FILE_POINTER) +# endif + ACE_WIN32CALL_RETURN (ACE_ADAPT_RETVAL (::SetEndOfFile (handle), ace_result_), int, -1); + else + ACE_FAIL_RETURN (-1); +#else + ACE_OSCALL_RETURN (::ftruncate (handle, offset), int, -1); +#endif /* ACE_WIN32 */ +} + +ACE_INLINE char * +ACE_OS::getcwd (char *buf, size_t size) +{ + ACE_OS_TRACE ("ACE_OS::getcwd"); +#if defined (ACE_LACKS_GETCWD) + ACE_UNUSED_ARG (buf); + ACE_UNUSED_ARG (size); + ACE_NOTSUP_RETURN (0); +#elif defined (ACE_WIN32) + return ::getcwd (buf, static_cast<int> (size)); +#else + ACE_OSCALL_RETURN (::getcwd (buf, size), char *, 0); +#endif /* ACE_LACKS_GETCWD */ +} + +#if defined (ACE_HAS_WCHAR) +ACE_INLINE wchar_t * +ACE_OS::getcwd (wchar_t *buf, size_t size) +{ +# if defined (ACE_HAS_WINCE) + ACE_UNUSED_ARG (buf); + ACE_UNUSED_ARG (size); + ACE_NOTSUP_RETURN (0); +# elif defined (ACE_WIN32) + return ::_wgetcwd (buf, static_cast<int> (size)); +# else + char *narrow_buf = new char[size]; + char *result = 0; + result = ACE_OS::getcwd (narrow_buf, size); + ACE_Ascii_To_Wide wide_buf (result); + delete [] narrow_buf; + if (result != 0) + ACE_OS::strsncpy (buf, wide_buf.wchar_rep (), size); + return result == 0 ? 0 : buf; +# endif /* ACE_WIN32 */ +} +#endif /* ACE_HAS_WCHAR */ + +ACE_INLINE gid_t +ACE_OS::getgid (void) +{ + ACE_OS_TRACE ("ACE_OS::getgid"); +#if defined (ACE_LACKS_GETGID) + ACE_NOTSUP_RETURN (static_cast<gid_t> (-1)); +# else + ACE_OSCALL_RETURN (::getgid (), gid_t, static_cast<gid_t> (-1)); +# endif /* ACE_LACKS_GETGID */ +} + +ACE_INLINE gid_t +ACE_OS::getegid (void) +{ + ACE_OS_TRACE ("ACE_OS::getegid"); +#if defined (ACE_LACKS_GETEGID) + ACE_NOTSUP_RETURN (static_cast<gid_t> (-1)); +# else + ACE_OSCALL_RETURN (::getegid (), gid_t, static_cast<gid_t> (-1)); +# endif /* ACE_LACKS_GETEGID */ +} + +ACE_INLINE int +ACE_OS::getopt (int argc, char *const *argv, const char *optstring) +{ + ACE_OS_TRACE ("ACE_OS::getopt"); +#if defined (ACE_LACKS_GETOPT) + ACE_UNUSED_ARG (argc); + ACE_UNUSED_ARG (argv); + ACE_UNUSED_ARG (optstring); + ACE_NOTSUP_RETURN (-1); +# else + ACE_OSCALL_RETURN (::getopt (argc, argv, optstring), int, -1); +# endif /* ACE_LACKS_GETOPT */ +} + +ACE_INLINE pid_t +ACE_OS::getpgid (pid_t pid) +{ + ACE_OS_TRACE ("ACE_OS::getpgid"); +#if defined (ACE_LACKS_GETPGID) + ACE_UNUSED_ARG (pid); + ACE_NOTSUP_RETURN (-1); +#elif defined (linux) && __GLIBC__ > 1 && __GLIBC_MINOR__ >= 0 + // getpgid() is from SVR4, which appears to be the reason why GLIBC + // doesn't enable its prototype by default. + // Rather than create our own extern prototype, just use the one + // that is visible (ugh). + ACE_OSCALL_RETURN (::__getpgid (pid), pid_t, -1); +#else + ACE_OSCALL_RETURN (::getpgid (pid), pid_t, -1); +#endif /* ACE_LACKS_GETPGID */ +} + +ACE_INLINE pid_t +ACE_OS::getpid (void) +{ + // ACE_OS_TRACE ("ACE_OS::getpid"); +#if defined (ACE_LACKS_GETPID) + ACE_NOTSUP_RETURN (-1); +#elif defined (ACE_WIN32) + return ::GetCurrentProcessId (); +#else + ACE_OSCALL_RETURN (::getpid (), int, -1); +#endif /* ACE_LACKS_GETPID */ +} + +ACE_INLINE pid_t +ACE_OS::getppid (void) +{ + ACE_OS_TRACE ("ACE_OS::getppid"); +#if defined (ACE_LACKS_GETPPID) + ACE_NOTSUP_RETURN (-1); +#else + ACE_OSCALL_RETURN (::getppid (), pid_t, -1); +#endif /* ACE_LACKS_GETPPID */ +} + +ACE_INLINE uid_t +ACE_OS::getuid (void) +{ + ACE_OS_TRACE ("ACE_OS::getuid"); +#if defined (ACE_LACKS_GETUID) + ACE_NOTSUP_RETURN (static_cast<uid_t> (-1)); +# else + ACE_OSCALL_RETURN (::getuid (), uid_t, static_cast<uid_t> (-1)); +# endif /* ACE_LACKS_GETUID*/ +} + +ACE_INLINE uid_t +ACE_OS::geteuid (void) +{ + ACE_OS_TRACE ("ACE_OS::geteuid"); +#if defined (ACE_LACKS_GETEUID) + ACE_NOTSUP_RETURN (static_cast<uid_t> (-1)); +# else + ACE_OSCALL_RETURN (::geteuid (), uid_t, (uid_t) -1); +# endif /* ACE_LACKS_GETEUID */ +} + +ACE_INLINE int +ACE_OS::hostname (char name[], size_t maxnamelen) +{ + ACE_OS_TRACE ("ACE_OS::hostname"); +#if defined (ACE_HAS_PHARLAP) + // PharLap only can do net stuff with the RT version. +# if defined (ACE_HAS_PHARLAP_RT) + // @@This is not at all reliable... requires ethernet and BOOTP to be used. + // A more reliable way is to go thru the devices w/ EtsTCPGetDeviceCfg until + // a legit IP address is found, then get its name w/ gethostbyaddr. + ACE_SOCKCALL_RETURN (gethostname (name, maxnamelen), int, SOCKET_ERROR); +# else + ACE_UNUSED_ARG (name); + ACE_UNUSED_ARG (maxnamelen); + ACE_NOTSUP_RETURN (-1); +# endif /* ACE_HAS_PHARLAP_RT */ +#elif defined (ACE_VXWORKS) || defined (ACE_HAS_WINCE) + ACE_OSCALL_RETURN (::gethostname (name, maxnamelen), int, -1); +#elif defined (ACE_WIN32) + if (::gethostname (name, ACE_Utils::truncate_cast<int> (maxnamelen)) == 0) + { + return 0; + } + else + { + ACE_WIN32CALL_RETURN (ACE_ADAPT_RETVAL (::GetComputerNameA (name, + LPDWORD (&maxnamelen)), + ace_result_), int, -1); + } +#else /* ACE_HAS_PHARLAP */ + ACE_utsname host_info; + + if (ACE_OS::uname (&host_info) == -1) + return -1; + else + { + ACE_OS::strsncpy (name, host_info.nodename, maxnamelen); + return 0; + } +#endif /* ACE_HAS_PHARLAP */ +} + +#if defined (ACE_HAS_WCHAR) +ACE_INLINE int +ACE_OS::hostname (wchar_t name[], size_t maxnamelen) +{ +#if defined (ACE_WIN32) && !defined (ACE_HAS_WINCE) + ACE_WIN32CALL_RETURN (ACE_ADAPT_RETVAL (GetComputerNameW (name, + LPDWORD (&maxnamelen)), + ace_result_), int, -1); +#else /* ACE_WIN32 && !ACE_HAS_WINCE */ + // Emulate using the char version + char *char_name = 0; + int result = 0; + + ACE_NEW_RETURN (char_name, char[maxnamelen], -1); + + result = ACE_OS::hostname(char_name, maxnamelen); + ACE_OS::strcpy (name, ACE_Ascii_To_Wide (char_name).wchar_rep ()); + + delete [] char_name; + return result; +#endif /* ACE_WIN32 && !ACE_HAS_WINCE */ +} +#endif /* ACE_HAS_WCHAR */ + +ACE_INLINE int +ACE_OS::isatty (int handle) +{ + ACE_OS_TRACE ("ACE_OS::isatty"); +#if defined (ACE_LACKS_ISATTY) + ACE_UNUSED_ARG (handle); + return 0; +# elif defined (ACE_WIN32) + return ::_isatty (handle); +# else + ACE_OSCALL_RETURN (::isatty (handle), int, -1); +# endif /* ACE_LACKS_ISATTY */ +} + +#if defined (ACE_WIN32) +ACE_INLINE int +ACE_OS::isatty (ACE_HANDLE handle) +{ +#if defined (ACE_LACKS_ISATTY) + ACE_UNUSED_ARG (handle); + return 0; +#else + int fd = ::_open_osfhandle (intptr_t (handle), 0); + int status = ::_isatty (fd); + ::_close (fd); + return status; +#endif /* ACE_LACKS_ISATTY */ +} + +#endif /* ACE_WIN32 */ + +ACE_INLINE ACE_OFF_T +ACE_OS::lseek (ACE_HANDLE handle, ACE_OFF_T offset, int whence) +{ + ACE_OS_TRACE ("ACE_OS::lseek"); +#if defined (ACE_WIN32) +# if SEEK_SET != FILE_BEGIN || SEEK_CUR != FILE_CURRENT || SEEK_END != FILE_END + //#error Windows NT is evil AND rude! + switch (whence) + { + case SEEK_SET: + whence = FILE_BEGIN; + break; + case SEEK_CUR: + whence = FILE_CURRENT; + break; + case SEEK_END: + whence = FILE_END; + break; + default: + errno = EINVAL; + return static_cast<ACE_OFF_T> (-1); // rather safe than sorry + } +# endif /* SEEK_SET != FILE_BEGIN || SEEK_CUR != FILE_CURRENT || SEEK_END != FILE_END */ + LONG low_offset = ACE_LOW_PART(offset); + LONG high_offset = ACE_HIGH_PART(offset); + DWORD const result = + ::SetFilePointer (handle, low_offset, &high_offset, whence); + if (result == INVALID_SET_FILE_POINTER && GetLastError() != NO_ERROR) + ACE_FAIL_RETURN (static_cast<ACE_OFF_T> (-1)); + else + return result; +#else + ACE_OSCALL_RETURN (::lseek (handle, offset, whence), ACE_OFF_T, -1); +#endif /* ACE_WIN32 */ +} + +#if defined (ACE_HAS_LLSEEK) || defined (ACE_HAS_LSEEK64) +ACE_INLINE ACE_LOFF_T +ACE_OS::llseek (ACE_HANDLE handle, ACE_LOFF_T offset, int whence) +{ + ACE_OS_TRACE ("ACE_OS::llseek"); + +#if ACE_SIZEOF_LONG == 8 + /* The native lseek is 64 bit. Use it. */ + return ACE_OS::lseek (handle, offset, whence); +#elif defined (ACE_HAS_LLSEEK) && defined (ACE_HAS_LSEEK64) +# error Either ACE_HAS_LSEEK64 and ACE_HAS_LLSEEK should be defined, not both! +#elif defined (ACE_HAS_LSEEK64) + ACE_OSCALL_RETURN (::lseek64 (handle, offset, whence), ACE_LOFF_T, -1); +#elif defined (ACE_HAS_LLSEEK) +# if defined (ACE_WIN32) +# ifndef ACE_LACKS_WIN32_SETFILEPOINTEREX + LARGE_INTEGER distance, new_file_pointer; + + distance.QuadPart = offset; + + return + (::SetFilePointerEx (handle, distance, &new_file_pointer, whence) + ? new_file_pointer.QuadPart + : static_cast<ACE_LOFF_T> (-1)); +# else + LARGE_INTEGER l_offset; + l_offset.QuadPart = offset; + LONG low_offset = l_offset.LowPart; + LONG high_offset = l_offset.HighPart; + + l_offset.LowPart = ::SetFilePointer (handle, + low_offset, + &high_offset, + whence); + if (l_offset.LowPart == INVALID_SET_FILE_POINTER && + GetLastError () != NO_ERROR) + return static_cast<ACE_LOFF_T> (-1); + l_offset.HighPart = high_offset; + return l_offset.QuadPart; +# endif /* ACE_LACKS_WIN32_SETFILEPOINTEREX */ +# else + ACE_OSCALL_RETURN (::llseek (handle, offset, whence), ACE_LOFF_T, -1); +# endif /* WIN32 */ +#endif +} +#endif /* ACE_HAS_LLSEEK || ACE_HAS_LSEEK64 */ + +ACE_INLINE ssize_t +ACE_OS::read (ACE_HANDLE handle, void *buf, size_t len) +{ + ACE_OS_TRACE ("ACE_OS::read"); +#if defined (ACE_WIN32) + DWORD ok_len; + if (::ReadFile (handle, buf, static_cast<DWORD> (len), &ok_len, 0)) + return (ssize_t) ok_len; + else + ACE_FAIL_RETURN (-1); +#else + + ssize_t result; + +# if defined (ACE_HAS_CHARPTR_SOCKOPT) + ACE_OSCALL (::read (handle, static_cast <char *> (buf), len), ssize_t, -1, result); +# else + ACE_OSCALL (::read (handle, buf, len), ssize_t, -1, result); +# endif /* ACE_HAS_CHARPTR_SOCKOPT */ + +# if !(defined (EAGAIN) && defined (EWOULDBLOCK) && EAGAIN == EWOULDBLOCK) + // Optimize this code out if we can detect that EAGAIN == + // EWOULDBLOCK at compile time. If we cannot detect equality at + // compile-time (e.g. if EAGAIN or EWOULDBLOCK are not preprocessor + // macros) perform the check at run-time. The goal is to avoid two + // TSS accesses in the _REENTRANT case when EAGAIN == EWOULDBLOCK. + if (result == -1 +# if !defined (EAGAIN) || !defined (EWOULDBLOCK) + && EAGAIN != EWOULDBLOCK +# endif /* !EAGAIN || !EWOULDBLOCK */ + && errno == EAGAIN) + { + errno = EWOULDBLOCK; + } +# endif /* EAGAIN != EWOULDBLOCK*/ + + return result; +#endif /* ACE_WIN32 */ +} + +ACE_INLINE ssize_t +ACE_OS::read (ACE_HANDLE handle, void *buf, size_t len, + ACE_OVERLAPPED *overlapped) +{ + ACE_OS_TRACE ("ACE_OS::read"); + overlapped = overlapped; +#if defined (ACE_WIN32) + DWORD ok_len; + DWORD short_len = static_cast<DWORD> (len); + if (::ReadFile (handle, buf, short_len, &ok_len, overlapped)) + return (ssize_t) ok_len; + else + ACE_FAIL_RETURN (-1); +#else + return ACE_OS::read (handle, buf, len); +#endif /* ACE_WIN32 */ +} + +ACE_INLINE ssize_t +ACE_OS::readlink (const char *path, char *buf, size_t bufsiz) +{ + ACE_OS_TRACE ("ACE_OS::readlink"); +# if defined (ACE_LACKS_READLINK) + ACE_UNUSED_ARG (path); + ACE_UNUSED_ARG (buf); + ACE_UNUSED_ARG (bufsiz); + ACE_NOTSUP_RETURN (-1); +# else +# if !defined(ACE_HAS_NONCONST_READLINK) + ACE_OSCALL_RETURN (::readlink (path, buf, bufsiz), ssize_t, -1); +# else + ACE_OSCALL_RETURN ( + ::readlink (const_cast <char *>(path), buf, bufsiz), ssize_t, -1); +# endif +# endif /* ACE_LACKS_READLINK */ +} + +ACE_INLINE int +ACE_OS::pipe (ACE_HANDLE fds[]) +{ + ACE_OS_TRACE ("ACE_OS::pipe"); +# if defined (ACE_LACKS_PIPE) + ACE_UNUSED_ARG (fds); + ACE_NOTSUP_RETURN (-1); +# elif defined (ACE_WIN32) + ACE_WIN32CALL_RETURN (ACE_ADAPT_RETVAL + (::CreatePipe (&fds[0], &fds[1], 0, 0), + ace_result_), int, -1); +# else + ACE_OSCALL_RETURN (::pipe (fds), int, -1); +# endif /* ACE_LACKS_PIPE */ +} + +ACE_INLINE void * +ACE_OS::sbrk (intptr_t brk) +{ +#if defined (ACE_LACKS_SBRK) + ACE_UNUSED_ARG (brk); + ACE_NOTSUP_RETURN (0); +#else + ACE_OSCALL_RETURN (::sbrk (brk), void *, 0); +#endif /* ACE_LACKS_SBRK */ +} + +ACE_INLINE int +ACE_OS::setgid (gid_t gid) +{ + ACE_OS_TRACE ("ACE_OS::setgid"); +#if defined (ACE_LACKS_SETGID) + ACE_UNUSED_ARG (gid); + ACE_NOTSUP_RETURN (-1); +# else + ACE_OSCALL_RETURN (::setgid (gid), int, -1); +# endif /* ACE_LACKS_SETGID */ +} + +ACE_INLINE int +ACE_OS::setegid (gid_t gid) +{ + ACE_OS_TRACE ("ACE_OS::setegid"); +#if defined (ACE_LACKS_SETEGID) + ACE_UNUSED_ARG (gid); + ACE_NOTSUP_RETURN (-1); +# else + ACE_OSCALL_RETURN (::setegid (gid), int, -1); +# endif /* ACE_LACKS_SETEGID */ +} + +ACE_INLINE int +ACE_OS::setpgid (pid_t pid, pid_t pgid) +{ + ACE_OS_TRACE ("ACE_OS::setpgid"); +#if defined (ACE_LACKS_SETPGID) + ACE_UNUSED_ARG (pid); + ACE_UNUSED_ARG (pgid); + ACE_NOTSUP_RETURN (-1); +#else + ACE_OSCALL_RETURN (::setpgid (pid, pgid), int, -1); +#endif /* ACE_LACKS_SETPGID */ +} + +ACE_INLINE int +ACE_OS::setregid (gid_t rgid, gid_t egid) +{ + ACE_OS_TRACE ("ACE_OS::setregid"); +#if defined (ACE_LACKS_SETREGID) + ACE_UNUSED_ARG (rgid); + ACE_UNUSED_ARG (egid); + ACE_NOTSUP_RETURN (-1); +#else + ACE_OSCALL_RETURN (::setregid (rgid, egid), int, -1); +#endif /* ACE_LACKS_SETREGID */ +} + +ACE_INLINE int +ACE_OS::setreuid (uid_t ruid, uid_t euid) +{ + ACE_OS_TRACE ("ACE_OS::setreuid"); +#if defined (ACE_LACKS_SETREUID) + ACE_UNUSED_ARG (ruid); + ACE_UNUSED_ARG (euid); + ACE_NOTSUP_RETURN (-1); +#else + ACE_OSCALL_RETURN (::setreuid (ruid, euid), int, -1); +#endif /* ACE_LACKS_SETREUID */ +} + +ACE_INLINE pid_t +ACE_OS::setsid (void) +{ + ACE_OS_TRACE ("ACE_OS::setsid"); +#if defined (ACE_LACKS_SETSID) + ACE_NOTSUP_RETURN (-1); +#else + ACE_OSCALL_RETURN (::setsid (), int, -1); +# endif /* ACE_LACKS_SETSID */ +} + +ACE_INLINE int +ACE_OS::setuid (uid_t uid) +{ + ACE_OS_TRACE ("ACE_OS::setuid"); +#if defined (ACE_LACKS_SETUID) + ACE_UNUSED_ARG (uid); + ACE_NOTSUP_RETURN (-1); +# else + ACE_OSCALL_RETURN (::setuid (uid), int, -1); +# endif /* ACE_LACKS_SETUID */ +} + +ACE_INLINE int +ACE_OS::seteuid (uid_t uid) +{ + ACE_OS_TRACE ("ACE_OS::seteuid"); +#if defined (ACE_LACKS_SETEUID) + ACE_UNUSED_ARG (uid); + ACE_NOTSUP_RETURN (-1); +# else + ACE_OSCALL_RETURN (::seteuid (uid), int, -1); +# endif /* ACE_LACKS_SETEUID */ +} + +ACE_INLINE int +ACE_OS::sleep (u_int seconds) +{ + ACE_OS_TRACE ("ACE_OS::sleep"); +#if defined (ACE_WIN32) + ::Sleep (seconds * ACE_ONE_SECOND_IN_MSECS); + return 0; +#elif defined (ACE_HAS_CLOCK_GETTIME) + struct timespec rqtp; + // Initializer doesn't work with Green Hills 1.8.7 + rqtp.tv_sec = seconds; + rqtp.tv_nsec = 0L; + //FUZZ: disable check_for_lack_ACE_OS + ACE_OSCALL_RETURN (::nanosleep (&rqtp, 0), int, -1); + //FUZZ: enable check_for_lack_ACE_OS +#else + ACE_OSCALL_RETURN (::sleep (seconds), int, -1); +#endif /* ACE_WIN32 */ +} + +ACE_INLINE int +ACE_OS::sleep (const ACE_Time_Value &tv) +{ + ACE_OS_TRACE ("ACE_OS::sleep"); +#if defined (ACE_WIN32) + ::Sleep (tv.msec ()); + return 0; +#elif defined (ACE_HAS_CLOCK_GETTIME) + timespec_t rqtp = tv; + //FUZZ: disable check_for_lack_ACE_OS + ACE_OSCALL_RETURN (::nanosleep (&rqtp, 0), int, -1); + //FUZZ: enable check_for_lack_ACE_OS +#else +# if defined (ACE_HAS_NONCONST_SELECT_TIMEVAL) + // Copy the timeval, because this platform doesn't declare the timeval + // as a pointer to const. + timeval tv_copy = tv; +# if defined(ACE_TANDEM_T1248_PTHREADS) + ACE_OSCALL_RETURN (::spt_select (0, 0, 0, 0, &tv_copy), int, -1); +# else + //FUZZ: disable check_for_lack_ACE_OS + ACE_OSCALL_RETURN (::select (0, 0, 0, 0, &tv_copy), int, -1); + //FUZZ: enable check_for_lack_ACE_OS +# endif +# else /* ! ACE_HAS_NONCONST_SELECT_TIMEVAL */ + const timeval *tvp = tv; + //FUZZ: disable check_for_lack_ACE_OS + ACE_OSCALL_RETURN (::select (0, 0, 0, 0, tvp), int, -1); + //FUZZ: enable check_for_lack_ACE_OS +# endif /* ACE_HAS_NONCONST_SELECT_TIMEVAL */ +#endif /* ACE_WIN32 */ +} + +ACE_INLINE void +ACE_OS::swab (const void *src, + void *dest, + ssize_t length) +{ +#if defined (ACE_LACKS_SWAB) + // ------------------------------------------------------------ + // The following copyright notice applies to the swab() + // implementation within this "ACE_LACKS_SWAB" block of code. + // ------------------------------------------------------------ + /* + Copyright (c) 1994-2006 Red Hat, Inc. All rights reserved. + + This copyrighted material is made available to anyone wishing to + use, modify, copy, or redistribute it subject to the terms and + conditions of the BSD License. This program is distributed in + the hope that it will be useful, but WITHOUT ANY WARRANTY + expressed or implied, including the implied warranties of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. A copy of + this license is available at + http://www.opensource.org/licenses. Any Red Hat trademarks that + are incorporated in the source code or documentation are not + subject to the BSD License and may only be used or replicated with + the express permission of Red Hat, Inc. + */ + + const char *from = static_cast<const char*> (src); + char *to = static_cast<char *> (dest); + ssize_t ptr = 0; + for (ptr = 1; ptr < length; ptr += 2) + { + char p = from[ptr]; + char q = from[ptr-1]; + to[ptr-1] = p; + to[ptr ] = q; + } + if (ptr == length) /* I.e., if length is odd, */ + to[ptr-1] = 0; /* then pad with a NUL. */ +#elif defined (ACE_HAS_NONCONST_SWAB) + const char *tmp = static_cast<const char*> (src); + char *from = const_cast<char *> (tmp); + char *to = static_cast<char *> (dest); + ::swab (from, to, length); +#elif defined (ACE_HAS_CONST_CHAR_SWAB) + const char *from = static_cast<const char*> (src); + char *to = static_cast<char *> (dest); + ::swab (from, to, length); +#else + ::swab (src, dest, length); +#endif /* ACE_LACKS_SWAB */ + +} + +ACE_INLINE long +ACE_OS::sysconf (int name) +{ + ACE_OS_TRACE ("ACE_OS::sysconf"); +#if defined (ACE_LACKS_SYSCONF) + ACE_UNUSED_ARG (name); + ACE_NOTSUP_RETURN (-1); +#else + ACE_OSCALL_RETURN (::sysconf (name), long, -1); +#endif /* ACE_LACKS_SYSCONF */ +} + +ACE_INLINE long +ACE_OS::sysinfo (int cmd, char *buf, long count) +{ + ACE_OS_TRACE ("ACE_OS::sysinfo"); +#if defined (ACE_HAS_SYSINFO) + ACE_OSCALL_RETURN (::sysinfo (cmd, buf, count), long, -1); +#else + ACE_UNUSED_ARG (cmd); + ACE_UNUSED_ARG (buf); + ACE_UNUSED_ARG (count); + + ACE_NOTSUP_RETURN (0); +#endif /* ACE_HAS_SYSINFO */ +} + +ACE_INLINE int +ACE_OS::truncate (const ACE_TCHAR *filename, + ACE_OFF_T offset) +{ + ACE_OS_TRACE ("ACE_OS::truncate"); +#if defined (ACE_WIN32) + ACE_HANDLE handle = ACE_OS::open (filename, + O_WRONLY, + ACE_DEFAULT_FILE_PERMS); + +# if !defined (ACE_LACKS_WIN32_SETFILEPOINTEREX) + LARGE_INTEGER loffset; + loffset.QuadPart = offset; +#else + LONG low_offset = ACE_LOW_PART(offset); + LONG high_offset = ACE_HIGH_PART(offset); +#endif + + if (handle == ACE_INVALID_HANDLE) + ACE_FAIL_RETURN (-1); + +# if !defined (ACE_LACKS_WIN32_SETFILEPOINTEREX) + else if (::SetFilePointerEx (handle, + loffset, + 0, + FILE_BEGIN)) +# else + else if (::SetFilePointer (handle, + low_offset, + &high_offset, + FILE_BEGIN) != INVALID_SET_FILE_POINTER + || GetLastError () == NO_ERROR) +# endif /* ACE_LACKS_WIN32_SETFILEPOINTEREX */ + { + BOOL result = ::SetEndOfFile (handle); + ::CloseHandle (handle); + ACE_WIN32CALL_RETURN (ACE_ADAPT_RETVAL (result, ace_result_), int, -1); + } + else + { + ::CloseHandle (handle); + ACE_FAIL_RETURN (-1); + } + /* NOTREACHED */ +#elif !defined (ACE_LACKS_TRUNCATE) + ACE_OSCALL_RETURN + (::truncate (ACE_TEXT_ALWAYS_CHAR (filename), offset), int, -1); +#else + ACE_UNUSED_ARG (filename); + ACE_UNUSED_ARG (offset); + ACE_NOTSUP_RETURN (-1); +#endif /* ACE_WIN32 */ +} + +ACE_INLINE useconds_t +ACE_OS::ualarm (useconds_t usecs, useconds_t interval) +{ + ACE_OS_TRACE ("ACE_OS::ualarm"); + +#if defined (ACE_HAS_UALARM) + return ::ualarm (usecs, interval); +#elif !defined (ACE_LACKS_UNIX_SIGNALS) + ACE_UNUSED_ARG (interval); + return ::alarm (usecs * ACE_ONE_SECOND_IN_USECS); +#else + ACE_UNUSED_ARG (usecs); + ACE_UNUSED_ARG (interval); + ACE_NOTSUP_RETURN (0); +#endif /* ACE_HAS_UALARM */ +} + +ACE_INLINE useconds_t +ACE_OS::ualarm (const ACE_Time_Value &tv, + const ACE_Time_Value &tv_interval) +{ + ACE_OS_TRACE ("ACE_OS::ualarm"); + +#if defined (ACE_HAS_UALARM) + useconds_t usecs = (tv.sec () * ACE_ONE_SECOND_IN_USECS) + tv.usec (); + useconds_t interval = + (tv_interval.sec () * ACE_ONE_SECOND_IN_USECS) + tv_interval.usec (); + return ::ualarm (usecs, interval); +#elif !defined (ACE_LACKS_UNIX_SIGNALS) + ACE_UNUSED_ARG (tv_interval); + return ::alarm (tv.sec ()); +#else + ACE_UNUSED_ARG (tv_interval); + ACE_UNUSED_ARG (tv); + ACE_NOTSUP_RETURN (0); +#endif /* ACE_HAS_UALARM */ +} + +ACE_INLINE int +ACE_OS::unlink (const char *path) +{ + ACE_OS_TRACE ("ACE_OS::unlink"); +# if defined (ACE_HAS_NONCONST_UNLINK) + ACE_OSCALL_RETURN (::unlink (const_cast<char *> (path)), int, -1); +# elif defined (ACE_HAS_WINCE) + // @@ The problem is, DeleteFile is not actually equals to unlink. ;( + ACE_WIN32CALL_RETURN (ACE_ADAPT_RETVAL (::DeleteFile (ACE_TEXT_CHAR_TO_TCHAR (path)), ace_result_), + int, -1); +# elif defined (ACE_LACKS_UNLINK) + ACE_UNUSED_ARG (path); + ACE_NOTSUP_RETURN (-1); +# else + ACE_OSCALL_RETURN (::unlink (path), int, -1); +# endif /* ACE_HAS_NONCONST_UNLINK */ +} + +#if defined (ACE_HAS_WCHAR) +ACE_INLINE int +ACE_OS::unlink (const wchar_t *path) +{ + ACE_OS_TRACE ("ACE_OS::unlink"); +# if defined (ACE_HAS_WINCE) + // @@ The problem is, DeleteFile is not actually equals to unlink. ;( + ACE_WIN32CALL_RETURN (ACE_ADAPT_RETVAL (::DeleteFileW (path), ace_result_), + int, -1); +# elif defined (ACE_WIN32) + ACE_OSCALL_RETURN (::_wunlink (path), int, -1); +# else + ACE_Wide_To_Ascii npath (path); + return ACE_OS::unlink (npath.char_rep ()); +# endif /* ACE_HAS_WINCE */ +} +#endif /* ACE_HAS_WCHAR */ + +ACE_INLINE ssize_t +ACE_OS::write (ACE_HANDLE handle, const void *buf, size_t nbyte) +{ + ACE_OS_TRACE ("ACE_OS::write"); +#if defined (ACE_WIN32) + DWORD bytes_written; // This is set to 0 byte WriteFile. + + // Strictly correctly, we should loop writing all the data if more + // than a DWORD length can hold. + DWORD short_nbyte = static_cast<DWORD> (nbyte); + if (::WriteFile (handle, buf, short_nbyte, &bytes_written, 0)) + return (ssize_t) bytes_written; + else + ACE_FAIL_RETURN (-1); +#else +# if defined (ACE_HAS_CHARPTR_SOCKOPT) + ACE_OSCALL_RETURN (::write (handle, static_cast <char *> (const_cast <void *> (buf)), nbyte), ssize_t, -1); +# else + ACE_OSCALL_RETURN (::write (handle, buf, nbyte), ssize_t, -1); +# endif /* ACE_HAS_CHARPTR_SOCKOPT */ +#endif /* ACE_WIN32 */ +} + +ACE_INLINE ssize_t +ACE_OS::write (ACE_HANDLE handle, + const void *buf, + size_t nbyte, + ACE_OVERLAPPED *overlapped) +{ + ACE_OS_TRACE ("ACE_OS::write"); + overlapped = overlapped; +#if defined (ACE_WIN32) + DWORD bytes_written; // This is set to 0 byte WriteFile. + + DWORD short_nbyte = static_cast<DWORD> (nbyte); + if (::WriteFile (handle, buf, short_nbyte, &bytes_written, overlapped)) + return (ssize_t) bytes_written; + else + ACE_FAIL_RETURN (-1); +#else + return ACE_OS::write (handle, buf, nbyte); +#endif /* ACE_WIN32 */ +} + +ACE_END_VERSIONED_NAMESPACE_DECL |