Mercurial > hg > graal-compiler
diff test/runtime/6929067/invoke.c @ 1320:3b3d12e645e7
6929067: Stack guard pages should be removed when thread is detached
Summary: Add code to unmap stack guard area when thread is detached.
Reviewed-by: coleenp, kamg
author | coleenp |
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date | Fri, 12 Mar 2010 10:42:16 -0500 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/runtime/6929067/invoke.c Fri Mar 12 10:42:16 2010 -0500 @@ -0,0 +1,90 @@ +#include <assert.h> +#include <jni.h> +#include <alloca.h> + +#include <pthread.h> + +union env_union +{ + void *void_env; + JNIEnv *jni_env; +}; + +union env_union tmp; +JNIEnv* env; +JavaVM* jvm; +JavaVMInitArgs vm_args; +JavaVMOption options[1]; +jclass class_id; +jmethodID method_id; +jint result; + +long product(unsigned long n, unsigned long m) { + if (m == 1) { + return n; + } else { + int *p = alloca(sizeof (int)); + *p = n; + return product (n, m-1) + *p; + } +} + +void * +floobydust (void *p) +{ + (*jvm)->AttachCurrentThread(jvm, &tmp.void_env, NULL); + env = tmp.jni_env; + + class_id = (*env)->FindClass (env, "T"); + assert (class_id); + + method_id = (*env)->GetStaticMethodID (env, class_id, "printIt", "()V"); + assert (method_id); + + (*env)->CallStaticVoidMethod (env, class_id, method_id, NULL); + + (*jvm)->DetachCurrentThread(jvm); + + printf("%ld\n", product(5000,5000)); + + (*jvm)->AttachCurrentThread(jvm, &tmp.void_env, NULL); + env = tmp.jni_env; + + class_id = (*env)->FindClass (env, "T"); + assert (class_id); + + method_id = (*env)->GetStaticMethodID (env, class_id, "printIt", "()V"); + assert (method_id); + + (*env)->CallStaticVoidMethod (env, class_id, method_id, NULL); + + (*jvm)->DetachCurrentThread(jvm); + + printf("%ld\n", product(5000,5000)); + + return NULL; +} + +int +main (int argc, const char** argv) +{ + options[0].optionString = "-Xss320k"; + + vm_args.version = JNI_VERSION_1_2; + vm_args.ignoreUnrecognized = JNI_TRUE; + vm_args.options = options; + vm_args.nOptions = 1; + + result = JNI_CreateJavaVM (&jvm, &tmp.void_env, &vm_args); + assert (result >= 0); + + env = tmp.jni_env; + + floobydust (NULL); + + pthread_t thr; + pthread_create (&thr, NULL, floobydust, NULL); + pthread_join (thr, NULL); + + return 0; +}