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// -*- C++ -*-
//=============================================================================
/**
* @file OS_NS_sys_wait.h
*
* @author Douglas C. Schmidt <d.schmidt@vanderbilt.edu>
* @author Jesper S. M|ller<stophph@diku.dk>
* @author and a cast of thousands...
*
* Originally in OS.h.
*/
//=============================================================================
#ifndef ACE_OS_NS_SYS_WAIT_H
# define ACE_OS_NS_SYS_WAIT_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/os_include/sys/os_wait.h"
#include /**/ "ace/ACE_export.h"
#if defined (ACE_EXPORT_MACRO)
# undef ACE_EXPORT_MACRO
#endif
#define ACE_EXPORT_MACRO ACE_Export
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
namespace ACE_OS
{
/// Calls OS @c ::wait function, so it's only portable to UNIX/POSIX
/// platforms.
ACE_NAMESPACE_INLINE_FUNCTION
pid_t wait (int * = 0);
/**
* Calls @c ::WaitForSingleObject on Win32 and ACE::waitpid ()
* otherwise. Returns the passed in @a pid_t on success and -1 on
* failure.
* On Win32, @a pid is ignored if the @a handle is not equal to 0.
* Passing the process @a handle is prefer on Win32 because using
* @a pid to wait on the project doesn't always work correctly
* if the waited process has already terminated.
*/
ACE_NAMESPACE_INLINE_FUNCTION
pid_t wait (pid_t pid,
ACE_exitcode *status,
int wait_options = 0,
ACE_HANDLE handle = 0);
/**
* Calls @c ::waitpid on UNIX/POSIX platforms Does not work on VxWorks 5.5.x.
* On Win32, @a pid is ignored if the @a handle is not equal to 0.
* Passing the process @a handle is prefer on Win32 because using
* @a pid to wait on the project doesn't always work correctly
* if the waited process has already terminated.
*/
ACE_NAMESPACE_INLINE_FUNCTION
pid_t waitpid (pid_t pid,
ACE_exitcode *status = 0,
int wait_options = 0,
ACE_HANDLE handle = 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_sys_wait.inl"
# endif /* ACE_HAS_INLINED_OSCALLS */
# include /**/ "ace/post.h"
#endif /* ACE_OS_NS_SYS_WAIT_H */
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