prproces.h

Netscape NSPR库源码

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 * 
 * The Original Code is the Netscape Portable Runtime (NSPR).
 * 
 * The Initial Developer of the Original Code is Netscape
 * Communications Corporation.  Portions created by Netscape are 
 * Copyright (C) 1998-2000 Netscape Communications Corporation.  All
 * Rights Reserved.
 * 
 * Contributor(s):
 * 
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU General Public License Version 2 or later (the
 * "GPL"), in which case the provisions of the GPL are applicable 
 * instead of those above.  If you wish to allow use of your 
 * version of this file only under the terms of the GPL and not to
 * allow others to use your version of this file under the MPL,
 * indicate your decision by deleting the provisions above and
 * replace them with the notice and other provisions required by
 * the GPL.  If you do not delete the provisions above, a recipient
 * may use your version of this file under either the MPL or the
 * GPL.
 */

#ifndef prproces_h___
#define prproces_h___

#include "prtypes.h"
#include "prio.h"

PR_BEGIN_EXTERN_C

/************************************************************************/
/*****************************PROCESS OPERATIONS*************************/
/************************************************************************/

typedef struct PRProcess PRProcess;
typedef struct PRProcessAttr PRProcessAttr;

NSPR_API(PRProcessAttr *) PR_NewProcessAttr(void);

NSPR_API(void) PR_ResetProcessAttr(PRProcessAttr *attr);

NSPR_API(void) PR_DestroyProcessAttr(PRProcessAttr *attr);

NSPR_API(void) PR_ProcessAttrSetStdioRedirect(
    PRProcessAttr *attr,
    PRSpecialFD stdioFd,
    PRFileDesc *redirectFd
);

/*
 * OBSOLETE -- use PR_ProcessAttrSetStdioRedirect instead.
 */
NSPR_API(void) PR_SetStdioRedirect(
    PRProcessAttr *attr,
    PRSpecialFD stdioFd,
    PRFileDesc *redirectFd
);

NSPR_API(PRStatus) PR_ProcessAttrSetCurrentDirectory(
    PRProcessAttr *attr,
    const char *dir
);

NSPR_API(PRStatus) PR_ProcessAttrSetInheritableFD(
    PRProcessAttr *attr,
    PRFileDesc *fd,
    const char *name
);

/*
** Create a new process
**
** Create a new process executing the file specified as 'path' and with
** the supplied arguments and environment.
**
** This function may fail because of illegal access (permissions),
** invalid arguments or insufficient resources.
**
** A process may be created such that the creator can later synchronize its
** termination using PR_WaitProcess(). 
*/

NSPR_API(PRProcess*) PR_CreateProcess(
    const char *path,
    char *const *argv,
    char *const *envp,
    const PRProcessAttr *attr);

NSPR_API(PRStatus) PR_CreateProcessDetached(
    const char *path,
    char *const *argv,
    char *const *envp,
    const PRProcessAttr *attr);

NSPR_API(PRStatus) PR_DetachProcess(PRProcess *process);

NSPR_API(PRStatus) PR_WaitProcess(PRProcess *process, PRInt32 *exitCode);

NSPR_API(PRStatus) PR_KillProcess(PRProcess *process);

PR_END_EXTERN_C

#endif /* prproces_h___ */