PROCESS.CPP

/* 
 * process.cpp - Native methods. 
 * 
 * (C) Copyright 1996 Microsoft Corporation 
 */ 
 
 
/* Headers 
 **********/ 
 
#include "project.hpp" 
#pragma hdrstop 
 
#include "DebuggeeProcess.h" 
 
 
/****************************** Public Functions *****************************/ 
 
 
BOOL JavaStringToANSIString(Hjava_lang_String *phjsCommandLine, PSTR *ppszANSI) 
{ 
int ncchLen; 
 
// (+ 1) for null terminator. 
    ncchLen = javaStringLength(phjsCommandLine) + 1; 
 
    *ppszANSI = (PSTR)LocalAlloc(0, ncchLen); 
 
if (*ppszANSI) 
        javaString2CString(phjsCommandLine, *ppszANSI, ncchLen); 
 
    return(*ppszANSI != NULL); 
} 
 
 
/***************************** Exported Functions ****************************/ 
 
 
/* A debugger requires a way to get the process ID of its debuggee process. */ 
 
void __cdecl DebuggeeProcess_CreateSuspendedProcess(HDebuggeeProcess *hdp, Hjava_lang_String *phjsCommandLine) 
{ 
    PSTR pszCommandLine; 
 
    hdp->m_nMainThreadHandle = 0; 
    hdp->m_nProcessID = 0; 
 
if (JavaStringToANSIString(phjsCommandLine, &pszCommandLine)) 
{ 
STARTUPINFO si; 
PROCESS_INFORMATION pi; 
 
ZeroMemory(&si, sizeof(si)); 
si.cb = sizeof(si); 
 
        if (CreateProcess(NULL, pszCommandLine, NULL, NULL, FALSE, CREATE_SUSPENDED, NULL, NULL, &si, &pi)) 
{ 
hdp->m_nMainThreadHandle = (int)(pi.hThread); 
hdp->m_nProcessID = pi.dwProcessId; 
 
            CloseHandle(pi.hProcess); 
} 
else 
SignalError(0, "java/io/IOException", "CreateProcess"); 
 
LocalFree(pszCommandLine); 
        pszCommandLine = NULL; 
} 
else 
SignalError(0, JAVAPKG "OutOfMemoryError", 0); 
 
    return; 
} 
 
 
void __cdecl DebuggeeProcess_ResumeProcess(HDebuggeeProcess *hdp) 
{ 
    if (hdp->m_nMainThreadHandle != NULL) 
{ 
        if (ResumeThread((HANDLE)(hdp->m_nMainThreadHandle)) == 0xffffffff) 
SignalError(0, "java/io/IOException", "ResumeThread"); 
 
CloseHandle((HANDLE)(hdp->m_nMainThreadHandle)); 
        hdp->m_nMainThreadHandle = 0; 
} 
 
return; 
}