./src/windows/native/java/lang/ProcessImpl_md.c

rev 5754 : [mq]: getPid-patch

*** 30,39 ****
--- 30,41 ----
  #include "jvm.h"
  #include "jni_util.h"
  #include "io_util.h"
  #include <windows.h>
  #include <io.h>
+ #include <tchar.h>
+ #include <psapi.h>
  
  /* We try to make sure that we can read and write 4095 bytes (the
   * fixed limit on Linux) to the pipe on all operating systems without
   * deadlock.  Windows 2000 inexplicably appears to need an extra 24
   * bytes of slop to avoid deadlock.
*** 388,392 ****
--- 390,434 ----
      if (h == INVALID_HANDLE_VALUE) {
          JNU_ThrowIOExceptionWithLastError(env, "CreateFileW");
      }
      return ptr_to_jlong(h);
  }
+ 
+ JNIEXPORT jint JNICALL
+ Java_java_lang_ProcessImpl_getProcessId(JNIEnv *env, jclass ignored, jlong handle)
+ {
+     return  GetProcessId((HANDLE) handle);
+ }
+ 
+ JNIEXPORT jint JNICALL
+ Java_java_lang_ProcessImpl_getCurrentPid(JNIEnv *env, jobject this)
+ {
+     return  GetCurrentProcessId();
+ }
+ 
+ 
+ JNIEXPORT jstring JNICALL
+ Java_java_lang_ProcessImpl_getModuleBaseName(JNIEnv *env, jclass ignored, jint pid)
+ {
+     char szProcessName[MAX_PATH];
+ 
+     // Get a handle to the process.
+ 
+     HANDLE hProcess = OpenProcess( PROCESS_QUERY_INFORMATION |
+                                    PROCESS_VM_READ,
+                                    FALSE, pid );
+ 
+     // Get the process name.
+ 
+     if (hProcess != NULL )
+     {
+         HMODULE hMod;
+         DWORD cbNeeded;
+ 
+         if ( EnumProcessModules( hProcess, &hMod, sizeof(hMod), 
+              &cbNeeded) ) {
+             GetModuleBaseName( hProcess, hMod, szProcessName, 
+                                sizeof(szProcessName) );
+         }
+     }
+     return szProcessName;
+ }