8300139: [AIX] Use pthreads to avoid JNI_createVM call from primordial thread

Reviewed-by: dholmes, stuefe

Author: varada1110

test/hotspot/jtreg/runtime/jni/CalleeSavedRegisters/FPRegs.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, 2021, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2023, 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
@@ -25,9 +25,6 @@
 /*
  * @test
  * @bug 8067744
- * @comment Test uses custom launcher that starts VM in primordial thread. This is
- *          not possible on aix.
- * @requires os.family != "aix"
  * @requires vm.flagless
  * @library /test/lib
  * @modules java.base/jdk.internal.misc

test/hotspot/jtreg/runtime/jni/CalleeSavedRegisters/exeFPRegs.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2023, 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
@@ -24,6 +24,9 @@
 #include <jni.h>
 #include <stdlib.h>
 
+#ifdef AIX
+#include <pthread.h>
+#endif //AIX
 #ifdef WINDOWS
 #include <windows.h>
 #else
@@ -104,7 +107,15 @@ long long unsigned int d2l(double d) {
 
 #define print_reg(r) printf("%s = %f (0x%llX)\n", #r, r, d2l(r));
 
-int main(int argc, const char** argv) {
+typedef struct {
+  int argc;
+  char **argv;
+} args_list;
+
+static void* run(void* argp) {
+  args_list *arg = (args_list*) argp;
+  int argc =  arg->argc;
+  char **argv = arg->argv;
   JavaVM* jvm;
   JNIEnv* env;
   JavaVMInitArgs vm_args;
@@ -239,3 +250,24 @@ int main(int argc, const char** argv) {
   return 0;
 }
 
+int main(int argc, char *argv[]) {
+  args_list args;
+  args.argc = argc;
+  args.argv = argv;
+#ifdef AIX
+  size_t adjusted_stack_size = 1024*1024;
+  pthread_t id;
+  int result;
+  pthread_attr_t attr;
+  pthread_attr_init(&attr);
+  pthread_attr_setstacksize(&attr, adjusted_stack_size);
+  result = pthread_create(&id, &attr, run, (void *)&args);
+  if (result != 0) {
+    fprintf(stderr, "Error: pthread_create failed with error code %d \n", result);
+    return -1;
+  }
+  pthread_join(id, NULL);
+#else
+  run(&args);
+#endif //AIX
+}

test/jdk/java/lang/reflect/exeCallerAccessTest/CallerAccessTest.java

@@ -25,10 +25,7 @@
 /**
  * @test
  * @bug 8221530 8221642
- * @summary Test uses custom launcher that starts VM using JNI that verifies
- *          reflection API with null caller class
  * @library /test/lib
- * @requires os.family != "aix"
  * @run main/native CallerAccessTest
  */
 

test/jdk/java/lang/reflect/exeCallerAccessTest/exeCallerAccessTest.c

@@ -23,6 +23,9 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#ifdef AIX
+#include <pthread.h>
+#endif //AIX
 
 #include "jni.h"
 #include "assert.h"
@@ -42,7 +45,7 @@ int setAccessible(JNIEnv *env, char* declaringClass_name, char* field_name);
 int trySetAccessible(JNIEnv *env, char* declaringClass_name, char* field_name, jboolean canAccess);
 int checkAccess(JNIEnv *env, char* declaringClass_name, char* field_name, jboolean canAccess);
 
-int main(int argc, char** args) {
+static void* run(void* argp) {
     JavaVM *jvm;
     JNIEnv *env;
     JavaVMInitArgs vm_args;
@@ -236,3 +239,22 @@ int checkAccess(JNIEnv *env, char* declaringClass_name, char* field_name, jboole
     }
     return 0;
 }
+
+int main(int argc, char *argv[]) {
+#ifdef AIX
+    size_t adjusted_stack_size = 1024*1024;
+    pthread_t id;
+    int result;
+    pthread_attr_t attr;
+    pthread_attr_init(&attr);
+    pthread_attr_setstacksize(&attr, adjusted_stack_size);
+    result = pthread_create(&id, &attr, run, (void *)&argv);
+    if (result != 0)  {
+      fprintf(stderr, "Error: pthread_create failed with error code %d \n", result);
+      return -1;
+    }
+    pthread_join(id, NULL);
+#else
+    run(&argv);
+#endif //AIX
+}

test/jdk/jni/nullCaller/NullCallerTest.java

@@ -32,7 +32,6 @@
  *          jdk.compiler
  * @build NullCallerTest
  *        jdk.test.lib.compiler.CompilerUtils
- * @requires os.family != "aix"
  * @run main/native NullCallerTest
  */
 

test/jdk/jni/nullCaller/exeNullCallerTest.cpp

@@ -22,6 +22,9 @@
  */
 
 #include "CallHelper.hpp"
+#ifdef AIX
+#include <pthread.h>
+#endif //AIX
 
 /*
  * Test for JDK-8280902
@@ -156,7 +159,7 @@ void getResourceAsStream(JNIEnv *env) {
         class_ClosedResources, env->NewStringUTF("test.txt"));
 }
 
-int main(int argc, char** args) {
+static void* run(void *arg) {
     JavaVM *jvm;
     JNIEnv *env;
     JavaVMInitArgs vm_args;
@@ -184,3 +187,22 @@ int main(int argc, char** args) {
     return 0;
 }
 
+int main(int argc, char *argv[]) {
+#ifdef AIX
+    size_t adjusted_stack_size = 1024*1024;
+    pthread_t id;
+    int result;
+    pthread_attr_t attr;
+    pthread_attr_init(&attr);
+    pthread_attr_setstacksize(&attr, adjusted_stack_size);
+    result = pthread_create(&id, &attr, run, (void *)argv);
+    if (result != 0) {
+      fprintf(stderr, "Error: pthread_create failed with error code %d \n", result);
+      return -1;
+    }
+    pthread_join(id, NULL);
+#else
+    run(&argv);
+#endif //AIX
+}
+

test/lib-test/jdk/test/lib/process/exejvm-test-launcher.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2020, 2023, 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
@@ -24,9 +24,12 @@
 #include <jni.h>
 #include <stdio.h>
 #include <stdlib.h>
+#ifdef AIX
+#include <pthread.h>
+#endif //AIX
 
-JNIEnv* create_vm(JavaVM **jvm)
-{
+static void* run(void *arg) {
+    JavaVM *jvm;
     JNIEnv* env;
     JavaVMInitArgs args;
     JavaVMOption options[1];
@@ -41,39 +44,43 @@ JNIEnv* create_vm(JavaVM **jvm)
     args.options = &options[0];
     args.ignoreUnrecognized = 0;
 
-    int ret = JNI_CreateJavaVM(jvm, (void**)&env, &args);
+    int ret = JNI_CreateJavaVM(&jvm, (void**)&env, &args);
     if (ret < 0) {
       exit(10);
     }
 
-    return env;
-}
-
-
-void run(JNIEnv *env) {
-  jclass test_class;
-  jmethodID test_method;
+    jclass test_class;
+    jmethodID test_method;
 
-  test_class = (*env)->FindClass(env, "TestNativeProcessBuilder$Test");
-  if (test_class == NULL) {
-    exit(11);
-  }
+    test_class = (*env)->FindClass(env, "TestNativeProcessBuilder$Test");
+    if (test_class == NULL) {
+      exit(11);
+    }
 
-  test_method = (*env)->GetStaticMethodID(env, test_class, "test", "()V");
-  if (test_method == NULL) {
-    exit(12);
-  }
+    test_method = (*env)->GetStaticMethodID(env, test_class, "test", "()V");
+    if (test_method == NULL) {
+      exit(12);
+    }
 
-  (*env)->CallStaticVoidMethod(env, test_class, test_method);
+    (*env)->CallStaticVoidMethod(env, test_class, test_method);
+    return 0;
 }
 
-
-int main(int argc, char **argv)
-{
-  JavaVM *jvm;
-  JNIEnv *env = create_vm(&jvm);
-
-  run(env);
-
-  return 0;
+int main(int argc, char *argv[]) {
+#ifdef AIX
+    size_t adjusted_stack_size = 1024*1024;
+    pthread_t id;
+    int result;
+    pthread_attr_t attr;
+    pthread_attr_init(&attr);
+    pthread_attr_setstacksize(&attr, adjusted_stack_size);
+    result = pthread_create(&id, &attr, run, (void *)argv);
+    if (result != 0) {
+      fprintf(stderr, "Error: pthread_create failed with error code %d \n", result);
+      return -1;
+    }
+    pthread_join(id, NULL);
+#else
+    run(&argv);
+#endif //AIX
 }