Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: test/runtime/6929067/invoke.c
test/runtime/6929067/invoke.c
- changeset 0
- f90c822e73f8
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| -1:000000000000 | 0:f90c822e73f8 |
|---|---|
| 1 #include <assert.h> | |
| 2 #include <jni.h> | |
| 3 #include <alloca.h> | |
| 4 | |
| 5 #include <pthread.h> | |
| 6 | |
| 7 union env_union | |
| 8 { | |
| 9 void *void_env; | |
| 10 JNIEnv *jni_env; | |
| 11 }; | |
| 12 | |
| 13 union env_union tmp; | |
| 14 JNIEnv* env; | |
| 15 JavaVM* jvm; | |
| 16 JavaVMInitArgs vm_args; | |
| 17 JavaVMOption options[1]; | |
| 18 jclass class_id; | |
| 19 jmethodID method_id; | |
| 20 jint result; | |
| 21 | |
| 22 long product(unsigned long n, unsigned long m) { | |
| 23 if (m == 1) { | |
| 24 return n; | |
| 25 } else { | |
| 26 int *p = alloca(sizeof (int)); | |
| 27 *p = n; | |
| 28 return product (n, m-1) + *p; | |
| 29 } | |
| 30 } | |
| 31 | |
| 32 void * | |
| 33 floobydust (void *p) | |
| 34 { | |
| 35 (*jvm)->AttachCurrentThread(jvm, &tmp.void_env, NULL); | |
| 36 env = tmp.jni_env; | |
| 37 | |
| 38 class_id = (*env)->FindClass (env, "T"); | |
| 39 assert (class_id); | |
| 40 | |
| 41 method_id = (*env)->GetStaticMethodID (env, class_id, "printIt", "()V"); | |
| 42 assert (method_id); | |
| 43 | |
| 44 (*env)->CallStaticVoidMethod (env, class_id, method_id, NULL); | |
| 45 | |
| 46 (*jvm)->DetachCurrentThread(jvm); | |
| 47 | |
| 48 printf("%ld\n", product(5000,5000)); | |
| 49 | |
| 50 (*jvm)->AttachCurrentThread(jvm, &tmp.void_env, NULL); | |
| 51 env = tmp.jni_env; | |
| 52 | |
| 53 class_id = (*env)->FindClass (env, "T"); | |
| 54 assert (class_id); | |
| 55 | |
| 56 method_id = (*env)->GetStaticMethodID (env, class_id, "printIt", "()V"); | |
| 57 assert (method_id); | |
| 58 | |
| 59 (*env)->CallStaticVoidMethod (env, class_id, method_id, NULL); | |
| 60 | |
| 61 (*jvm)->DetachCurrentThread(jvm); | |
| 62 | |
| 63 printf("%ld\n", product(5000,5000)); | |
| 64 | |
| 65 return NULL; | |
| 66 } | |
| 67 | |
| 68 int | |
| 69 main (int argc, const char** argv) | |
| 70 { | |
| 71 options[0].optionString = "-Xss320k"; | |
| 72 | |
| 73 vm_args.version = JNI_VERSION_1_2; | |
| 74 vm_args.ignoreUnrecognized = JNI_TRUE; | |
| 75 vm_args.options = options; | |
| 76 vm_args.nOptions = 1; | |
| 77 | |
| 78 result = JNI_CreateJavaVM (&jvm, &tmp.void_env, &vm_args); | |
| 79 assert (result >= 0); | |
| 80 | |
| 81 env = tmp.jni_env; | |
| 82 | |
| 83 floobydust (NULL); | |
| 84 | |
| 85 pthread_t thr; | |
| 86 pthread_create (&thr, NULL, floobydust, NULL); | |
| 87 pthread_join (thr, NULL); | |
| 88 | |
| 89 return 0; | |
| 90 } |
