apr_proc_t Struct Reference
[Threads and Process Functions]

#include <apr_thread_proc.h>

Data Fields
pid_t	pid
apr_file_t *	in
apr_file_t *	out
apr_file_t *	err
char *	invoked
HANDLE	hproc

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Detailed Description

The APR process type

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Field Documentation

pid_t apr_proc_t::pid

The process ID

apr_file_t* apr_proc_t::in

Parent's side of pipe to child's stdin

apr_file_t* apr_proc_t::out

Parent's side of pipe to child's stdout

apr_file_t* apr_proc_t::err

Parent's side of pipe to child's stdouterr

char* apr_proc_t::invoked

Diagnositics/debugging string of the command invoked for this process [only present if APR_HAS_PROC_INVOKED is true]

Remarks:

Only enabled on Win32 by default.

Bug:

This should either always or never be present in release builds - since it breaks binary compatibility. We may enable it always in APR 1.0 yet leave it undefined in most cases.

HANDLE apr_proc_t::hproc

(Win32 only) Creator's handle granting access to the process

Remarks:

This handle is closed and reset to NULL in every case corresponding to a waitpid() on Unix which returns the exit status. Therefore Win32 correspond's to Unix's zombie reaping characteristics and avoids potential handle leaks.

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The documentation for this struct was generated from the following file:

• apr_thread_proc.h

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