155 }
156 }
157
158
159 // This function is called instead of ExceptionOccurred. It throws
160 // std::bad_alloc if a java.lang.OutOfMemoryError is currently pending
161 // on the calling thread.
162 jthrowable
163 safe_ExceptionOccurred(JNIEnv *env) throw (std::bad_alloc) {
164 jthrowable xcp = env->ExceptionOccurred();
165 if (xcp != NULL) {
166 env->ExceptionClear(); // if we don't do this, isInstanceOf will fail
167 jint isOutofmem = JNU_IsInstanceOfByName(env, xcp, "java/lang/OutOfMemoryError");
168 if (isOutofmem > 0) {
169 env->DeleteLocalRef(xcp);
170 throw std::bad_alloc();
171 } else {
172 env->ExceptionClear();
173 // rethrow exception
174 env->Throw(xcp);
175 return xcp;
176 }
177 }
178
179 return NULL;
180 }
181
182 #ifdef OUTOFMEM_TEST
183
184 #include <time.h>
185 #include <limits.h>
186
187 static void
188 rand_alloc_fail(const char *file, int line) throw (std::bad_alloc)
189 {
190 if (alloc_lock == NULL) { // Not yet initialized
191 return;
192 }
193
194 CriticalSection::Lock l(*alloc_lock);
|
155 }
156 }
157
158
159 // This function is called instead of ExceptionOccurred. It throws
160 // std::bad_alloc if a java.lang.OutOfMemoryError is currently pending
161 // on the calling thread.
162 jthrowable
163 safe_ExceptionOccurred(JNIEnv *env) throw (std::bad_alloc) {
164 jthrowable xcp = env->ExceptionOccurred();
165 if (xcp != NULL) {
166 env->ExceptionClear(); // if we don't do this, isInstanceOf will fail
167 jint isOutofmem = JNU_IsInstanceOfByName(env, xcp, "java/lang/OutOfMemoryError");
168 if (isOutofmem > 0) {
169 env->DeleteLocalRef(xcp);
170 throw std::bad_alloc();
171 } else {
172 env->ExceptionClear();
173 // rethrow exception
174 env->Throw(xcp);
175 // temp solution to reveal all concurrency issues in jtreg and JCK
176 // we will switch it back to silent mode before the release
177 env->ExceptionDescribe();
178 return xcp;
179 }
180 }
181
182 return NULL;
183 }
184
185 #ifdef OUTOFMEM_TEST
186
187 #include <time.h>
188 #include <limits.h>
189
190 static void
191 rand_alloc_fail(const char *file, int line) throw (std::bad_alloc)
192 {
193 if (alloc_lock == NULL) { // Not yet initialized
194 return;
195 }
196
197 CriticalSection::Lock l(*alloc_lock);
|