/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying * information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Portions Copyright 2007 Sun Microsystems, Inc.
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*/
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#include "common.h"
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// ----------------------------------------------------
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// Function used to create a process with the given command.
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// The information about the process is stored in procInfo.
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// The function returns TRUE if the process could be created
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// and FALSE otherwise.
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// ----------------------------------------------------
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BOOL createChildProcess(char* command, BOOL background,
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PROCESS_INFORMATION* procInfo)
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{
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BOOL createOk;
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STARTUPINFO startInfo; // info to pass to the new process
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DWORD processFlag; // background process flag
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// reset process info first
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ZeroMemory(procInfo, sizeof(PROCESS_INFORMATION));
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// initialize handles to pass to the child process
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ZeroMemory(&startInfo, sizeof(STARTUPINFO));
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startInfo.cb = sizeof(STARTUPINFO);
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startInfo.dwFlags |= STARTF_USESTDHANDLES; // use handles above
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// Create the child process
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processFlag = background == TRUE ? DETACHED_PROCESS : 0;
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createOk = CreateProcess(
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NULL, // application name
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command, // command line
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NULL, // process security attributes
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NULL, // primary thread security attributes
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TRUE, // handles are inherited
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processFlag, // creation flags
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NULL, // use parent's environment
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NULL, // use parent's current directory
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&startInfo, // STARTUPINFO pointer
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procInfo // receives PROCESS_INFORMATION
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);
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return createOk;
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} // createChildProcess
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// ----------------------------------------------------
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// Function used to launch a process for the given command
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// If the process could be created it returns the pid of
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// the created process and -1 otherwise.
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// ----------------------------------------------------
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int spawn(const char* command, BOOL background)
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{
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DWORD childPid; // child's pid
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PROCESS_INFORMATION procInfo; // info on the new process
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BOOL createOk;
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createOk = createChildProcess((char*)command, background, &procInfo);
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if(createOk)
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{
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childPid = procInfo.dwProcessId;
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}
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if (childPid != -1)
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{
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return childPid;
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}
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else
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{
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return -1;
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}
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} // spawn
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