test/hotspot/jtreg/vmTestbase/nsk/jvmti/ResumeThreadList/resumethrdlst001/resumethrdlst001.c
changeset 50260 46c67f5e27c2
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/ResumeThreadList/resumethrdlst001/resumethrdlst001.c	Thu May 24 17:12:15 2018 -0700
@@ -0,0 +1,295 @@
+/*
+ * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include <string.h>
+#include "jvmti.h"
+#include "agent_common.h"
+#include "jni_tools.h"
+#include "jvmti_tools.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* ============================================================================= */
+
+/* scaffold objects */
+static jlong timeout = 0;
+
+/* constant names */
+#define THREAD_NAME     "TestedThread"
+
+/* constants */
+#define DEFAULT_THREADS_COUNT   10
+
+static int threadsCount = 0;
+
+/* ============================================================================= */
+
+static int fillThreadsByName(jvmtiEnv* jvmti, JNIEnv* jni,
+                                const char name[], int foundCount, jthread foundThreads[]);
+
+/** Agent algorithm. */
+static void JNICALL
+agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
+
+    NSK_DISPLAY0("Wait for threads to start\n");
+    if (!nsk_jvmti_waitForSync(timeout))
+        return;
+
+    /* perform testing */
+    {
+        jthread* threads = NULL;
+        jvmtiError* results = NULL;
+        int i;
+
+        NSK_DISPLAY1("Allocate threads array: %d threads\n", threadsCount);
+        if (!NSK_JVMTI_VERIFY(
+                NSK_CPP_STUB3(Allocate, jvmti, (threadsCount * sizeof(jthread)),
+                                                (unsigned char**)&threads))) {
+            nsk_jvmti_setFailStatus();
+            return;
+        }
+        NSK_DISPLAY1("  ... allocated array: %p\n", (void*)threads);
+
+        NSK_DISPLAY1("Allocate results array: %d threads\n", threadsCount);
+        if (!NSK_JVMTI_VERIFY(
+                NSK_CPP_STUB3(Allocate, jvmti, (threadsCount * sizeof(jvmtiError)),
+                                                (unsigned char**)&results))) {
+            nsk_jvmti_setFailStatus();
+            return;
+        }
+        NSK_DISPLAY1("  ... allocated array: %p\n", (void*)threads);
+
+        NSK_DISPLAY1("Find threads: %d threads\n", threadsCount);
+        if (!NSK_VERIFY(fillThreadsByName(jvmti, jni, THREAD_NAME, threadsCount, threads)))
+            return;
+
+        NSK_DISPLAY0("Suspend threads list\n");
+        if (!NSK_JVMTI_VERIFY(
+                NSK_CPP_STUB4(SuspendThreadList, jvmti, threadsCount, threads, results))) {
+            nsk_jvmti_setFailStatus();
+            return;
+        }
+
+        NSK_DISPLAY0("Check threads results:\n");
+        for (i = 0; i < threadsCount; i++) {
+            NSK_DISPLAY3("  ... thread #%d: %s (%d)\n",
+                                i, TranslateError(results[i]), (int)results[i]);
+            if (!NSK_JVMTI_VERIFY(results[i]))
+                nsk_jvmti_setFailStatus();
+        }
+
+        NSK_DISPLAY0("Resume threads list\n");
+        if (!NSK_JVMTI_VERIFY(
+                NSK_CPP_STUB4(ResumeThreadList, jvmti, threadsCount, threads, results))) {
+            nsk_jvmti_setFailStatus();
+            return;
+        }
+
+        NSK_DISPLAY0("Check threads results:\n");
+        for (i = 0; i < threadsCount; i++) {
+            NSK_DISPLAY3("  ... thread #%d: %s (%d)\n",
+                                i, TranslateError(results[i]), (int)results[i]);
+            if (!NSK_JVMTI_VERIFY(results[i]))
+                nsk_jvmti_setFailStatus();
+        }
+
+        NSK_DISPLAY0("Get state vector for each thread\n");
+        for (i = 0; i < threadsCount; i++) {
+            jint state = 0;
+
+            NSK_DISPLAY2("  thread #%d (%p):\n", i, (void*)threads[i]);
+            if (!NSK_JVMTI_VERIFY(
+                    NSK_CPP_STUB3(GetThreadState, jvmti, threads[i], &state))) {
+                nsk_jvmti_setFailStatus();
+            }
+            NSK_DISPLAY2("  ... got state vector: %s (%d)\n",
+                            TranslateState(state), (int)state);
+
+            if ((state & JVMTI_THREAD_STATE_SUSPENDED) != 0) {
+                NSK_COMPLAIN3("ResumeThreadList() does not turn off flag SUSPENDED for thread #%i:\n"
+                              "#   state:  %s (%d)\n",
+                                i, TranslateState(state), (int)state);
+                nsk_jvmti_setFailStatus();
+            }
+        }
+
+        NSK_DISPLAY0("Let threads to run and finish\n");
+        if (!nsk_jvmti_resumeSync())
+            return;
+
+        NSK_DISPLAY0("Wait for thread to finish\n");
+        if (!nsk_jvmti_waitForSync(timeout))
+            return;
+
+        NSK_DISPLAY0("Delete threads references\n");
+        for (i = 0; i < threadsCount; i++) {
+            if (threads[i] != NULL)
+                NSK_TRACE(NSK_CPP_STUB2(DeleteGlobalRef, jni, threads[i]));
+        }
+
+        NSK_DISPLAY1("Deallocate threads array: %p\n", (void*)threads);
+        if (!NSK_JVMTI_VERIFY(
+                NSK_CPP_STUB2(Deallocate, jvmti, (unsigned char*)threads))) {
+            nsk_jvmti_setFailStatus();
+        }
+
+        NSK_DISPLAY1("Deallocate results array: %p\n", (void*)results);
+        if (!NSK_JVMTI_VERIFY(
+                NSK_CPP_STUB2(Deallocate, jvmti, (unsigned char*)results))) {
+            nsk_jvmti_setFailStatus();
+        }
+    }
+
+    NSK_DISPLAY0("Let debugee to finish\n");
+    if (!nsk_jvmti_resumeSync())
+        return;
+}
+
+/* ============================================================================= */
+
+/** Find threads whose name starts with specified name prefix. */
+static int fillThreadsByName(jvmtiEnv* jvmti, JNIEnv* jni,
+                            const char name[], int foundCount, jthread foundThreads[]) {
+    jint count = 0;
+    jthread* threads = NULL;
+
+    size_t len = strlen(name);
+    int found = 0;
+    int i;
+
+    for (i = 0; i < foundCount; i++) {
+        foundThreads[i] = NULL;
+    }
+
+    if (!NSK_JVMTI_VERIFY(
+            NSK_CPP_STUB3(GetAllThreads, jvmti, &count, &threads))) {
+        nsk_jvmti_setFailStatus();
+        return NSK_FALSE;
+    }
+
+    found = 0;
+    for (i = 0; i < count; i++) {
+        jvmtiThreadInfo info;
+
+        if (!NSK_JVMTI_VERIFY(
+                NSK_CPP_STUB3(GetThreadInfo, jvmti, threads[i], &info))) {
+            nsk_jvmti_setFailStatus();
+            break;
+        }
+
+        if (info.name != NULL && strncmp(name, info.name, len) == 0) {
+            NSK_DISPLAY3("  ... found thread #%d: %p (%s)\n",
+                                    found, threads[i], info.name);
+            if (found < foundCount)
+                foundThreads[found] = threads[i];
+            found++;
+        }
+
+    }
+
+    if (!NSK_JVMTI_VERIFY(
+                NSK_CPP_STUB2(Deallocate, jvmti, (unsigned char*)threads))) {
+        nsk_jvmti_setFailStatus();
+        return NSK_FALSE;
+    }
+
+    if (found != foundCount) {
+        NSK_COMPLAIN3("Unexpected number of tested threads found:\n"
+                      "#   name:     %s\n"
+                      "#   found:    %d\n"
+                      "#   expected: %d\n",
+                      name, found, foundCount);
+        nsk_jvmti_setFailStatus();
+        return NSK_FALSE;
+    }
+
+    NSK_DISPLAY1("Make global references for threads: %d threads\n", foundCount);
+    for (i = 0; i < foundCount; i++) {
+        if (!NSK_JNI_VERIFY(jni, (foundThreads[i] = (jthread)
+                    NSK_CPP_STUB2(NewGlobalRef, jni, foundThreads[i])) != NULL)) {
+            nsk_jvmti_setFailStatus();
+            return NSK_FALSE;
+        }
+        NSK_DISPLAY2("  ... thread #%d: %p\n", i, foundThreads[i]);
+    }
+
+    return NSK_TRUE;
+}
+
+/* ============================================================================= */
+
+/** Agent library initialization. */
+#ifdef STATIC_BUILD
+JNIEXPORT jint JNICALL Agent_OnLoad_resumethrdlst001(JavaVM *jvm, char *options, void *reserved) {
+    return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNICALL Agent_OnAttach_resumethrdlst001(JavaVM *jvm, char *options, void *reserved) {
+    return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNI_OnLoad_resumethrdlst001(JavaVM *jvm, char *options, void *reserved) {
+    return JNI_VERSION_1_8;
+}
+#endif
+jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
+    jvmtiEnv* jvmti = NULL;
+
+    /* init framework and parse options */
+    if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
+        return JNI_ERR;
+
+    timeout = nsk_jvmti_getWaitTime() * 60 * 1000;
+
+    /* get options */
+    threadsCount = nsk_jvmti_findOptionIntValue("threads", DEFAULT_THREADS_COUNT);
+    if (!NSK_VERIFY(threadsCount > 0))
+        return JNI_ERR;
+
+    /* create JVMTI environment */
+    if (!NSK_VERIFY((jvmti =
+            nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL))
+        return JNI_ERR;
+
+    /* add specific capabilities for suspending thread */
+    {
+        jvmtiCapabilities suspendCaps;
+        memset(&suspendCaps, 0, sizeof(suspendCaps));
+        suspendCaps.can_suspend = 1;
+        if (!NSK_JVMTI_VERIFY(
+                NSK_CPP_STUB2(AddCapabilities, jvmti, &suspendCaps)))
+            return JNI_ERR;
+    }
+
+    /* register agent proc and arg */
+    if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL)))
+        return JNI_ERR;
+
+    return JNI_OK;
+}
+
+/* ============================================================================= */
+
+#ifdef __cplusplus
+}
+#endif