BSDPort hotspot shared changes, os

diff -r e6e7d76b2bd3 src/os/linux/vm/os_linux.cpp
--- a/src/os/linux/vm/os_linux.cpp	Tue May 24 15:28:35 2011 -0700
+++ b/src/os/linux/vm/os_linux.cpp	Mon Jul 25 17:04:06 2011 -0700
@@ -22,8 +22,6 @@
  *
  */
 
-# define __STDC_FORMAT_MACROS
-
 // no precompiled headers
 #include "classfile/classLoader.hpp"
 #include "classfile/systemDictionary.hpp"
diff -r e6e7d76b2bd3 src/os/posix/launcher/java_md.c
--- a/src/os/posix/launcher/java_md.c	Tue May 24 15:28:35 2011 -0700
+++ b/src/os/posix/launcher/java_md.c	Mon Jul 25 17:04:06 2011 -0700
@@ -41,14 +41,21 @@
 #include "version_comp.h"
 #endif
 
-#ifdef __linux__
+#if defined(__linux__) || defined(_ALLBSD_SOURCE)
 #include <pthread.h>
 #else
 #include <thread.h>
 #endif
 
+#ifdef __APPLE__
+#define JVM_DLL "libjvm.dylib"
+#define JAVA_DLL "libjava.dylib"
+#define LD_LIBRARY_PATH "DYLD_LIBRARY_PATH"
+#else
 #define JVM_DLL "libjvm.so"
 #define JAVA_DLL "libjava.so"
+#define LD_LIBRARY_PATH "LD_LIBRARY_PATH"
+#endif
 
 #ifndef GAMMA   /* launcher.make defines ARCH */
 /*
@@ -423,10 +430,10 @@
        * If not on Solaris, assume only a single LD_LIBRARY_PATH
        * variable.
        */
-      runpath = getenv("LD_LIBRARY_PATH");
+      runpath = getenv(LD_LIBRARY_PATH);
 #endif /* __sun */
 
-#ifdef __linux
+#if defined(__linux)
       /*
        * On linux, if a binary is running as sgid or suid, glibc sets
        * LD_LIBRARY_PATH to the empty string for security purposes.  (In
@@ -442,6 +449,22 @@
       if((getgid() != getegid()) || (getuid() != geteuid()) ) {
         return;
       }
+#elif defined(_ALLBSD_SOURCE)
+      /*
+       * On BSD, if a binary is running as sgid or suid, libc sets
+       * LD_LIBRARY_PATH to the empty string for security purposes.  (In
+       * contrast, on Solaris the LD_LIBRARY_PATH variable for a
+       * privileged binary does not lose its settings; but the dynamic
+       * linker does apply more scrutiny to the path.) The launcher uses
+       * the value of LD_LIBRARY_PATH to prevent an exec loop.
+       * Therefore, if we are running sgid or suid, this function's
+       * setting of LD_LIBRARY_PATH will be ineffective and we should
+       * return from the function now.  Getting the right libraries to
+       * be found must be handled through other mechanisms.
+       */
+      if(issetugid()) {
+        return;
+      }
 #endif
 
       /* runpath contains current effective LD_LIBRARY_PATH setting */
@@ -450,7 +473,7 @@
       new_runpath = JLI_MemAlloc( ((runpath!=NULL)?strlen(runpath):0) +
                               2*strlen(jrepath) + 2*strlen(arch) +
                               strlen(jvmpath) + 52);
-      newpath = new_runpath + strlen("LD_LIBRARY_PATH=");
+      newpath = new_runpath + strlen(LD_LIBRARY_PATH "=");
 
 
       /*
@@ -465,7 +488,7 @@
 
         /* jvmpath, ((running != wanted)?((wanted==64)?"/"LIBARCH64NAME:"/.."):""), */
 
-        sprintf(new_runpath, "LD_LIBRARY_PATH="
+        sprintf(new_runpath, LD_LIBRARY_PATH "="
                 "%s:"
                 "%s/lib/%s:"
                 "%s/../lib/%s",
@@ -792,7 +815,7 @@
 jboolean
 GetApplicationHome(char *buf, jint bufsize)
 {
-#ifdef __linux__
+#if defined(__linux__) || defined(_ALLBSD_SOURCE)
     char *execname = GetExecname();
     if (execname) {
         strncpy(buf, execname, bufsize-1);
@@ -1175,7 +1198,7 @@
 
 #endif /* __sun && i586 */
 
-#if defined(__linux__) && defined(i586)
+#if (defined(__linux__) || defined(_ALLBSD_SOURCE)) && defined(i586)
 
 /*
  * A utility method for asking the CPU about itself.
@@ -1452,6 +1475,39 @@
 
 #endif /* __linux__ && i586 */
 
+#if defined(_ALLBSD_SOURCE) && defined(i586)
+
+/* The definition of a server-class machine for bsd-i586 */
+jboolean
+bsd_i586_ServerClassMachine(void) {
+  jboolean            result            = JNI_FALSE;
+  /* How big is a server class machine? */
+  const unsigned long server_processors = 2UL;
+  const uint64_t      server_memory     = 2UL * GB;
+  /*
+   * We seem not to get our full complement of memory.
+   *     We allow some part (1/8?) of the memory to be "missing",
+   *     based on the sizes of DIMMs, and maybe graphics cards.
+   */
+  const uint64_t      missing_memory    = 256UL * MB;
+  const uint64_t      actual_memory     = physical_memory();
+
+  /* Is this a server class machine? */
+  if (actual_memory >= (server_memory - missing_memory)) {
+    const unsigned long actual_processors = physical_processors();
+    if (actual_processors >= server_processors) {
+      result = JNI_TRUE;
+    }
+  }
+  if (_launcher_debug) {
+    printf("linux_" LIBARCHNAME "_ServerClassMachine: %s\n",
+           (result == JNI_TRUE ? "true" : "false"));
+  }
+  return result;
+}
+
+#endif /* _ALLBSD_SOURCE && i586 */
+
 /* Dispatch to the platform-specific definition of "server-class" */
 jboolean
 ServerClassMachine(void) {
@@ -1466,6 +1522,8 @@
   result = solaris_i586_ServerClassMachine();
 #elif defined(__linux__) && defined(i586)
   result = linux_i586_ServerClassMachine();
+#elif defined(_ALLBSD_SOURCE) && defined(i586)
+  result = bsd_i586_ServerClassMachine();
 #else
   if (_launcher_debug) {
     printf("ServerClassMachine: returns default value of %s\n",
@@ -1821,7 +1879,7 @@
 int
 ContinueInNewThread(int (JNICALL *continuation)(void *), jlong stack_size, void * args) {
     int rslt;
-#ifdef __linux__
+#if defined(__linux__) || defined(_ALLBSD_SOURCE)
     pthread_t tid;
     pthread_attr_t attr;
     pthread_attr_init(&attr);
diff -r e6e7d76b2bd3 src/os/posix/launcher/launcher.script
--- a/src/os/posix/launcher/launcher.script	Tue May 24 15:28:35 2011 -0700
+++ b/src/os/posix/launcher/launcher.script	Mon Jul 25 17:04:06 2011 -0700
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.