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// -*- C++ -*-
//=============================================================================
/**
* @file OS_NS_unistd.h
*
* $Id$
*
* @author Douglas C. Schmidt <schmidt@cs.wustl.edu>
* @author Jesper S. M|ller<stophph@diku.dk>
* @author and a cast of thousands...
*
* Originally in OS.h.
*/
//=============================================================================
#ifndef ACE_OS_NS_UNISTD_H
# define ACE_OS_NS_UNISTD_H
# include /**/ "ace/pre.h"
# include "ace/config-all.h"
# if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
# endif /* ACE_LACKS_PRAGMA_ONCE */
#include /**/ "ace/ACE_export.h"
#include "ace/Time_Value.h"
#include "ace/Basic_Types.h"
#include "ace/os_include/os_unistd.h"
#include "ace/os_include/os_stdio.h"
#if defined (ACE_EXPORT_MACRO)
# undef ACE_EXPORT_MACRO
#endif
#define ACE_EXPORT_MACRO ACE_Export
// This should go in os_unistd.h, but since we don't yet implement any code
// at that level, we put it here. It used to be in OS.i.
#if defined (ACE_NEEDS_FTRUNCATE)
extern "C" ACE_Export int ftruncate (ACE_HANDLE handle, long len);
#endif /* ACE_NEEDS_FTRUNCATE */
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
namespace ACE_OS
{
ACE_NAMESPACE_INLINE_FUNCTION
int access (const char *path, int amode);
#if defined (ACE_HAS_WCHAR)
ACE_NAMESPACE_INLINE_FUNCTION
int access (const wchar_t *path, int amode);
#endif /* ACE_HAS_WCHAR */
ACE_NAMESPACE_INLINE_FUNCTION
unsigned int alarm (u_int secs);
ACE_NAMESPACE_INLINE_FUNCTION
long allocation_granularity (void);
// used by ARGV::argv_to_string() and ACE_OS::fork_exec()
extern ACE_Export
int argv_to_string (ACE_TCHAR **argv,
ACE_TCHAR *&buf,
bool substitute_env_args = true,
bool quote_args = false);
#if !defined (ACE_LACKS_CHDIR)
ACE_NAMESPACE_INLINE_FUNCTION
int chdir (const char *path);
#if defined (ACE_HAS_WCHAR)
ACE_NAMESPACE_INLINE_FUNCTION
int chdir (const wchar_t *path);
#endif /* ACE_HAS_WCHAR */
#endif /* ACE_LACKS_CHDIR */
ACE_NAMESPACE_INLINE_FUNCTION
int rmdir (const char *path);
#if defined (ACE_HAS_WCHAR)
ACE_NAMESPACE_INLINE_FUNCTION
int rmdir (const wchar_t *path);
#endif /* ACE_HAS_WCHAR */
ACE_NAMESPACE_INLINE_FUNCTION
int close (ACE_HANDLE handle);
ACE_NAMESPACE_INLINE_FUNCTION
ACE_HANDLE dup (ACE_HANDLE handle);
ACE_NAMESPACE_INLINE_FUNCTION
int dup2 (ACE_HANDLE oldfd,
ACE_HANDLE newfd);
extern ACE_Export
int execl (const char *path,
const char *arg0, ...);
extern ACE_Export
int execle (const char *path,
const char *arg0, ...);
extern ACE_Export
int execlp (const char *file,
const char *arg0, ...);
ACE_NAMESPACE_INLINE_FUNCTION
int execv (const char *path,
char *const argv[]);
ACE_NAMESPACE_INLINE_FUNCTION
int execve (const char *path,
char *const argv[],
char *const envp[]);
ACE_NAMESPACE_INLINE_FUNCTION
int execvp (const char *file,
char *const argv[]);
//@{
/// Forks and exec's a process in a manner that works on Solaris and
/// NT. argv[0] must be the full path name to the executable.
ACE_NAMESPACE_INLINE_FUNCTION
pid_t fork (void);
// not in susv3
extern ACE_Export
pid_t fork (const ACE_TCHAR *program_name);
extern ACE_Export
pid_t fork_exec (ACE_TCHAR *argv[]);
//@}
ACE_NAMESPACE_INLINE_FUNCTION
int fsync (ACE_HANDLE handle);
ACE_NAMESPACE_INLINE_FUNCTION
int ftruncate (ACE_HANDLE handle, ACE_OFF_T offset);
ACE_NAMESPACE_INLINE_FUNCTION
char *getcwd (char *, size_t);
#if defined (ACE_HAS_WCHAR)
ACE_NAMESPACE_INLINE_FUNCTION
wchar_t *getcwd (wchar_t *, size_t);
#endif /* ACE_HAS_WCHAR */
ACE_NAMESPACE_INLINE_FUNCTION
gid_t getgid (void);
ACE_NAMESPACE_INLINE_FUNCTION
gid_t getegid (void);
ACE_NAMESPACE_INLINE_FUNCTION
int getopt (int argc,
char *const *argv,
const char *optstring);
ACE_NAMESPACE_INLINE_FUNCTION
long getpagesize (void);
ACE_NAMESPACE_INLINE_FUNCTION
pid_t getpgid (pid_t pid);
ACE_NAMESPACE_INLINE_FUNCTION
pid_t getpid (void);
ACE_NAMESPACE_INLINE_FUNCTION
pid_t getppid (void);
ACE_NAMESPACE_INLINE_FUNCTION
uid_t getuid (void);
ACE_NAMESPACE_INLINE_FUNCTION
uid_t geteuid (void);
// should call gethostname()
ACE_NAMESPACE_INLINE_FUNCTION
int hostname (char *name,
size_t maxnamelen);
#if defined (ACE_HAS_WCHAR)
ACE_NAMESPACE_INLINE_FUNCTION
int hostname (wchar_t *name,
size_t maxnamelen);
#endif /* ACE_HAS_WCHAR */
ACE_NAMESPACE_INLINE_FUNCTION
int isatty (int handle);
#if defined (ACE_WIN32)
ACE_NAMESPACE_INLINE_FUNCTION
int isatty (ACE_HANDLE handle);
#endif /* ACE_WIN32 */
ACE_NAMESPACE_INLINE_FUNCTION
ACE_OFF_T lseek (ACE_HANDLE handle,
ACE_OFF_T offset,
int whence);
#if defined (ACE_HAS_LLSEEK) || defined (ACE_HAS_LSEEK64)
ACE_NAMESPACE_INLINE_FUNCTION
ACE_LOFF_T llseek (ACE_HANDLE handle,
ACE_LOFF_T offset,
int whence);
#endif /* ACE_HAS_LLSEEK */
/// Get the number of CPUs configured in the machine.
extern ACE_Export
long num_processors (void);
/// Get the number of CPUs currently online.
extern ACE_Export
long num_processors_online (void);
ACE_NAMESPACE_INLINE_FUNCTION
int pipe (ACE_HANDLE handles[]);
extern ACE_Export
ssize_t pread (ACE_HANDLE handle,
void *buf,
size_t nbyte,
ACE_OFF_T offset);
extern ACE_Export
ssize_t pwrite (ACE_HANDLE handle,
const void *buf,
size_t nbyte,
ACE_OFF_T offset);
ACE_NAMESPACE_INLINE_FUNCTION
ssize_t read (ACE_HANDLE handle,
void *buf,
size_t len);
ACE_NAMESPACE_INLINE_FUNCTION
ssize_t read (ACE_HANDLE handle,
void *buf,
size_t len,
ACE_OVERLAPPED *);
/**
* Receive @a len bytes into @a buf from <handle> (uses the
* <ACE_OS::read> call, which uses the <read> system call on UNIX
* and the <ReadFile> call on Win32). If errors occur, -1 is
* returned. If EOF occurs, 0 is returned. Whatever data has been
* read will be returned to the caller through<bytes_transferred>.
*
*/
extern ACE_Export
ssize_t read_n (ACE_HANDLE handle,
void *buf,
size_t len,
size_t *bytes_transferred = 0);
ACE_NAMESPACE_INLINE_FUNCTION
ssize_t readlink (const char *path,
char *buf,
size_t bufsiz);
ACE_NAMESPACE_INLINE_FUNCTION
void *sbrk (intptr_t brk);
ACE_NAMESPACE_INLINE_FUNCTION
int setgid (gid_t);
ACE_NAMESPACE_INLINE_FUNCTION
int setegid (gid_t);
ACE_NAMESPACE_INLINE_FUNCTION
int setpgid (pid_t pid, pid_t pgid);
ACE_NAMESPACE_INLINE_FUNCTION
int setregid (gid_t rgid, gid_t egid);
ACE_NAMESPACE_INLINE_FUNCTION
int setreuid (uid_t ruid, uid_t euid);
ACE_NAMESPACE_INLINE_FUNCTION
pid_t setsid (void);
ACE_NAMESPACE_INLINE_FUNCTION
int setuid (uid_t);
ACE_NAMESPACE_INLINE_FUNCTION
int seteuid (uid_t);
ACE_NAMESPACE_INLINE_FUNCTION
int sleep (u_int seconds);
ACE_NAMESPACE_INLINE_FUNCTION
int sleep (const ACE_Time_Value &tv);
// used by ARGV::string_to_argv
extern ACE_Export
int string_to_argv (ACE_TCHAR *buf,
int &argc,
ACE_TCHAR **&argv,
bool substitute_env_args = true);
ACE_NAMESPACE_INLINE_FUNCTION
void swab (const void *src, void *dest, ssize_t n);
ACE_NAMESPACE_INLINE_FUNCTION
long sysconf (int);
// not in susv3
ACE_NAMESPACE_INLINE_FUNCTION
long sysinfo (int cmd,
char *buf,
long count);
ACE_NAMESPACE_INLINE_FUNCTION
int truncate (const ACE_TCHAR *filename, ACE_OFF_T length);
ACE_NAMESPACE_INLINE_FUNCTION
useconds_t ualarm (useconds_t usecs,
useconds_t interval = 0);
ACE_NAMESPACE_INLINE_FUNCTION
useconds_t ualarm (const ACE_Time_Value &tv,
const ACE_Time_Value &tv_interval = ACE_Time_Value::zero);
ACE_NAMESPACE_INLINE_FUNCTION
int unlink (const char *path);
#if defined (ACE_HAS_WCHAR)
ACE_NAMESPACE_INLINE_FUNCTION
int unlink (const wchar_t *path);
#endif /* ACE_HAS_WCHAR */
ACE_NAMESPACE_INLINE_FUNCTION
ssize_t write (ACE_HANDLE handle,
const void *buf,
size_t nbyte);
ACE_NAMESPACE_INLINE_FUNCTION
ssize_t write (ACE_HANDLE handle,
const void *buf,
size_t nbyte,
ACE_OVERLAPPED *);
/**
* Send @a len bytes from @a buf to <handle> (uses the <ACE_OS::write>
* calls, which is uses the <write> system call on UNIX and the
* <WriteFile> call on Win32). If errors occur, -1 is returned. If
* EOF occurs, 0 is returned. Whatever data has been transmitted
* will be returned to the caller through <bytes_transferred>.
*/
extern ACE_Export
ssize_t write_n (ACE_HANDLE handle,
const void *buf,
size_t len,
size_t *bytes_transferred = 0);
} /* namespace ACE_OS */
ACE_END_VERSIONED_NAMESPACE_DECL
# if defined (ACE_HAS_INLINED_OSCALLS)
# if defined (ACE_INLINE)
# undef ACE_INLINE
# endif /* ACE_INLINE */
# define ACE_INLINE inline
# include "ace/OS_NS_unistd.inl"
# endif /* ACE_HAS_INLINED_OSCALLS */
# include /**/ "ace/post.h"
#endif /* ACE_OS_NS_UNISTD_H */
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