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/*___INFO__MARK_BEGIN__*/
/*************************************************************************
*
* The Contents of this file are made available subject to the terms of
* the Sun Industry Standards Source License Version 1.2
*
* Sun Microsystems Inc., March, 2001
*
*
* Sun Industry Standards Source License Version 1.2
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.2 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://gridengine.sunsource.net/Gridengine_SISSL_license.html
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2003 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
************************************************************************/
/*___INFO__MARK_END__*/
#include <stdio.h>
#include <stdlib.h>
#ifndef NO_JNI
#include <string.h>
#ifdef SOLARIS
#include <link.h>
#endif
#include <jni.h>
#include "uti/sge_dlopen.h"
typedef int (*JNI_CreateJavaVM_Func)(JavaVM **pvm, void **penv, void *args);
typedef int (*JNI_GetCreatedJavaVMs_Func)(JavaVM **pvm, jsize size, jsize *real_size);
static void *libjvm_handle = NULL;
static JNI_CreateJavaVM_Func sge_JNI_CreateJavaVM = NULL;
static JNI_GetCreatedJavaVMs_Func sge_JNI_GetCreatedJavaVMs = NULL;
void usage(void) {
printf("usage: valid_jvmlib [-help] <libpath>\n" \
" <libpath> ... path to the java library\n");
}
#endif /* NOJNI */
int main(int argc, char** argv) {
#ifndef NO_JNI
const char* JNI_CreateJavaVM_FuncName;
const char* JNI_GetCreatedJavaVMs_FuncName;
const char *libjvm_path;
FILE *file;
if (argc < 2) {
printf("Error: No argument provided!\n");
usage();
return 1;
}
libjvm_path = argv[1];
if (strcmp("-help", libjvm_path) == 0) {
usage();
return 1;
}
if ((file = fopen(libjvm_path, "r"))) {
fclose(file);
} else {
printf("Error: Could not open %s library!\n", libjvm_path);
return 1;
}
/* open the shared lib */
libjvm_handle = sge_dlopen(libjvm_path, NULL);
if (libjvm_handle == NULL) {
printf("Error: Unable to load %s library!\n", libjvm_path);
return 1;
}
#ifdef DARWIN
/* for darwin there exists no JNI_CreateJavaVM, Why not maybe a fix in the future ??? */
JNI_CreateJavaVM_FuncName = "JNI_CreateJavaVM_Impl";
JNI_GetCreatedJavaVMs_FuncName = "JNI_GetCreatedJavaVMs_Impl";
#else
JNI_CreateJavaVM_FuncName = "JNI_CreateJavaVM";
JNI_GetCreatedJavaVMs_FuncName = "JNI_GetCreatedJavaVMs";
#endif
sge_JNI_CreateJavaVM = (JNI_CreateJavaVM_Func) dlsym(libjvm_handle, JNI_CreateJavaVM_FuncName);
if (sge_JNI_CreateJavaVM == NULL) {
printf("Error: Unable to find %s function in %s library!\n", JNI_CreateJavaVM_FuncName, libjvm_path);
return 1;
}
sge_JNI_GetCreatedJavaVMs = (JNI_GetCreatedJavaVMs_Func) dlsym(libjvm_handle, JNI_GetCreatedJavaVMs_FuncName);
if (sge_JNI_GetCreatedJavaVMs == NULL) {
printf("Error: Unable to find %s function in %s library!\n", JNI_GetCreatedJavaVMs_FuncName, libjvm_path);
return 1;
}
#endif
return 0;
}
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