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OS_NS_sys_wait.h File Reference

#include "ace/config-all.h"
#include "ace/os_include/sys/os_wait.h"
#include "ace/ACE_export.h"
#include "ace/OS_NS_sys_wait.inl"

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Namespaces

namespace  ACE_OS

Defines

#define ACE_EXPORT_MACRO   ACE_Export
#define ACE_INLINE   inline

Functions

ACE_NAMESPACE_INLINE_FUNCTION
pid_t 
wait (int *=0)
ACE_NAMESPACE_INLINE_FUNCTION
pid_t 
wait (pid_t pid, ACE_exitcode *status, int wait_options=0, ACE_HANDLE handle=0)
ACE_NAMESPACE_INLINE_FUNCTION
pid_t 
waitpid (pid_t pid, ACE_exitcode *status=0, int wait_options=0, ACE_HANDLE handle=0)

Detailed Description

Id
OS_NS_sys_wait.h,v 1.3 2003/11/01 23:42:24 dhinton Exp

Author:
Douglas C. Schmidt <schmidt@cs.wustl.edu>

Jesper S. M|ller<stophph@diku.dk>

and a cast of thousands...

Originally in OS.h.

Define Documentation

#define ACE_EXPORT_MACRO   ACE_Export
 

#define ACE_INLINE   inline
 


Function Documentation

ACE_INLINE pid_t ACE_OS::wait pid_t  pid,
ACE_exitcode status,
int  wait_options = 0,
ACE_HANDLE  handle = 0
 

Calls <::WaitForSingleObject> on Win32 and <ACE::waitpid> otherwise. Returns the passed in <pid_t> on success and -1 on failure. On Win32, <pid> is ignored if the <handle> is not equal to 0. Passing the process <handle> is prefer on Win32 because using <pid> to wait on the project doesn't always work correctly if the waited process has already terminated.

ACE_INLINE pid_t ACE_OS::wait int *  = 0  ) 
 

Calls OS <wait> function, so it's only portable to UNIX/POSIX platforms.

ACE_INLINE pid_t ACE_OS::waitpid pid_t  pid,
ACE_exitcode status = 0,
int  wait_options = 0,
ACE_HANDLE  handle = 0
 

Calls <waitpid> on UNIX/POSIX platforms and <::await> on Chorus. Does not work on Vxworks, or pSoS. On Win32, <pid> is ignored if the <handle> is not equal to 0. Passing the process <handle> is prefer on Win32 because using <pid> to wait on the project doesn't always work correctly if the waited process has already terminated.


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