diff src/share/vm/prims/hpi_imported.h @ 0:a61af66fc99e jdk7-b24

Initial load
author duke
date Sat, 01 Dec 2007 00:00:00 +0000
parents
children c18cbe5936b8
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/vm/prims/hpi_imported.h	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,317 @@
+/*
+ * Copyright 1998-2005 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+/*
+ * HotSpot integration note:
+ *
+ * This is a consolidation of these two files:
+ *      src/share/hpi/export/hpi.h      1.15  99/06/18  JDK1.3 beta build I
+ *      src/share/hpi/export/dll.h      1.3   98/09/15  JDK1.3 beta build I
+ * from the classic VM.
+ *
+ * bool_t is a type in the classic VM, and we define it here,
+ * but in the future this should be a jboolean.
+ *
+ * The files are included verbatim expect for local includes removed from hpi.h.
+ */
+
+#ifndef _JAVASOFT_HPI_H_
+#define _JAVASOFT_HPI_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* A classic VMism that should become a jboolean.  Fix in 1.2.1? */
+typedef enum { HPI_FALSE = 0, HPI_TRUE = 1 } bool_t;
+
+/*
+ * DLL.H: A common interface for helper DLLs loaded by the VM.
+ * Each library exports the main entry point "DLL_Initialize". Through
+ * that function the programmer can obtain a function pointer which has
+ * type "GetInterfaceFunc." Through the function pointer the programmer
+ * can obtain other interfaces supported in the DLL.
+ */
+typedef jint (JNICALL * GetInterfaceFunc)
+       (void **intfP, const char *name, jint ver);
+
+jint JNICALL DLL_Initialize(GetInterfaceFunc *, void *args);
+
+
+/*
+ * Host Porting Interface. This defines the "porting layer" for
+ * POSIX.1 compliant operating systems.
+ */
+
+/*
+ * memory allocations
+ */
+typedef struct {
+    /*
+     * Malloc must return a unique pointer if size == 0.
+     */
+  void *  (*Malloc)(size_t size);
+  void *  (*Realloc)(void *ptr, size_t new_size);
+    /*
+     * Free must allow ptr == NULL to be a no-op.
+     */
+  void    (*Free)(void *ptr);
+    /*
+     * Calloc must return a unique pointer for if
+     * n_item == 0 || item_size == 0.
+     */
+  void *  (*Calloc)(size_t n_item, size_t item_size);
+  char *  (*Strdup)(const char *str);
+
+  void *  (*MapMem)(size_t req_size, size_t *maped_size);
+  void *  (*UnmapMem)(void *req_addr, size_t req_size, size_t *unmap_size);
+  /*
+   * CommitMem should round the ptr down to the nearest page and
+   * round the size up to the nearest page so that the committed
+   * region is at least as large as the requested region.
+   */
+  void *  (*CommitMem)(void *ptr, size_t size, size_t *actual);
+  /*
+   * sysDecommitMem should round the ptr up to the nearest page and
+   * round the size down to the nearest page so that the decommitted
+   * region is no greater than the requested region.
+   */
+  void *  (*DecommitMem)(void *ptr, size_t size, size_t *actual);
+
+#define HPI_PAGE_ALIGNMENT          (64 * 1024)
+
+  void *  (*AllocBlock)(size_t size, void **headP);
+  void    (*FreeBlock)(void *head);
+} HPI_MemoryInterface;
+
+/*
+ * dynamic linking libraries
+ */
+typedef struct {
+  void   (*BuildLibName)(char *buf, int buf_len, char *path, const char *name);
+  int    (*BuildFunName)(char *name, int name_len, int arg_size, int en_idx);
+
+  void * (*LoadLibrary)(const char *name, char *err_buf, int err_buflen);
+  void   (*UnloadLibrary)(void *lib);
+  void * (*FindLibraryEntry)(void *lib, const char *name);
+} HPI_LibraryInterface;
+
+typedef void (*signal_handler_t)(int sig, void *siginfo, void *context);
+
+#define HPI_SIG_DFL (signal_handler_t)0
+#define HPI_SIG_ERR (signal_handler_t)-1
+#define HPI_SIG_IGN (signal_handler_t)1
+
+typedef struct {
+  char *name; /* name such as green/native threads. */
+  int  isMP;
+} HPI_SysInfo;
+
+typedef struct {
+  HPI_SysInfo *    (*GetSysInfo)(void);
+  long             (*GetMilliTicks)(void);
+  jlong            (*TimeMillis)(void);
+
+  signal_handler_t (*Signal)(int sig, signal_handler_t handler);
+  void             (*Raise)(int sig);
+  void             (*SignalNotify)(int sig);
+  int              (*SignalWait)(void);
+
+  int              (*Shutdown)(void);
+
+  int              (*SetLoggingLevel)(int level);
+  bool_t           (*SetMonitoringOn)(bool_t on);
+  int              (*GetLastErrorString)(char *buf, int len);
+} HPI_SystemInterface;
+
+/*
+ * threads and monitors
+ */
+typedef struct  sys_thread sys_thread_t;
+typedef struct  sys_mon sys_mon_t;
+
+#define HPI_OK          0
+#define HPI_ERR        -1
+#define HPI_INTRPT     -2    /* Operation was interrupted */
+#define HPI_TIMEOUT    -3    /* A timer ran out */
+#define HPI_NOMEM      -5    /* Ran out of memory */
+#define HPI_NORESOURCE -6    /* Ran out of some system resource */
+
+/* There are three basic states: RUNNABLE, MONITOR_WAIT, and CONDVAR_WAIT.
+ * When the thread is suspended in any of these states, the
+ * HPI_THREAD_SUSPENDED bit will be set
+ */
+enum {
+    HPI_THREAD_RUNNABLE = 1,
+    HPI_THREAD_MONITOR_WAIT,
+    HPI_THREAD_CONDVAR_WAIT
+};
+
+#define HPI_MINIMUM_PRIORITY        1
+#define HPI_MAXIMUM_PRIORITY        10
+#define HPI_NORMAL_PRIORITY         5
+
+#define HPI_THREAD_SUSPENDED        0x8000
+#define HPI_THREAD_INTERRUPTED      0x4000
+
+typedef struct {
+    sys_thread_t *owner;
+    int          entry_count;
+    sys_thread_t **monitor_waiters;
+    sys_thread_t **condvar_waiters;
+    int          sz_monitor_waiters;
+    int          sz_condvar_waiters;
+    int          n_monitor_waiters;
+    int          n_condvar_waiters;
+} sys_mon_info;
+
+typedef struct {
+  int            (*ThreadBootstrap)(sys_thread_t **tidP,
+                                    sys_mon_t **qlockP,
+                                    int nReservedBytes);
+  int            (*ThreadCreate)(sys_thread_t **tidP,
+                                 long stk_size,
+                                 void (*func)(void *),
+                                 void *arg);
+  sys_thread_t * (*ThreadSelf)(void);
+  void           (*ThreadYield)(void);
+  int            (*ThreadSuspend)(sys_thread_t *tid);
+  int            (*ThreadResume)(sys_thread_t *tid);
+  int            (*ThreadSetPriority)(sys_thread_t *tid, int prio);
+  int            (*ThreadGetPriority)(sys_thread_t *tid, int *prio);
+  void *         (*ThreadStackPointer)(sys_thread_t *tid);
+  void *         (*ThreadStackTop)(sys_thread_t *tid);
+  long *         (*ThreadRegs)(sys_thread_t *tid, int *regs);
+  int            (*ThreadSingle)(void);
+  void           (*ThreadMulti)(void);
+  int            (*ThreadEnumerateOver)(int (*func)(sys_thread_t *, void *),
+                                        void *arg);
+  int            (*ThreadCheckStack)(void);
+  void           (*ThreadPostException)(sys_thread_t *tid, void *arg);
+  void           (*ThreadInterrupt)(sys_thread_t *tid);
+  int            (*ThreadIsInterrupted)(sys_thread_t *tid, int clear);
+  int            (*ThreadAlloc)(sys_thread_t **tidP);
+  int            (*ThreadFree)(void);
+  jlong          (*ThreadCPUTime)(void);
+  int            (*ThreadGetStatus)(sys_thread_t *tid, sys_mon_t **monitor);
+  void *         (*ThreadInterruptEvent)(void);
+  void *         (*ThreadNativeID)(sys_thread_t *tid);
+
+  /* These three functions are used by the CPU time profiler.
+   * sysThreadIsRunning determines whether the thread is running (not just
+   * runnable). It is only safe to call this function after calling
+   * sysThreadProfSuspend.
+   */
+  bool_t         (*ThreadIsRunning)(sys_thread_t *tid);
+  void           (*ThreadProfSuspend)(sys_thread_t *tid);
+  void           (*ThreadProfResume)(sys_thread_t *tid);
+
+  int            (*AdjustTimeSlice)(int ms);
+
+  size_t         (*MonitorSizeof)(void);
+  int            (*MonitorInit)(sys_mon_t *mid);
+  int            (*MonitorDestroy)(sys_mon_t *mid);
+  int            (*MonitorEnter)(sys_thread_t *self, sys_mon_t *mid);
+  bool_t         (*MonitorEntered)(sys_thread_t *self, sys_mon_t *mid);
+  int            (*MonitorExit)(sys_thread_t *self, sys_mon_t *mid);
+  int            (*MonitorNotify)(sys_thread_t *self, sys_mon_t *mid);
+  int            (*MonitorNotifyAll)(sys_thread_t *self, sys_mon_t *mid);
+  int            (*MonitorWait)(sys_thread_t *self, sys_mon_t *mid, jlong ms);
+  bool_t         (*MonitorInUse)(sys_mon_t *mid);
+  sys_thread_t * (*MonitorOwner)(sys_mon_t *mid);
+  int            (*MonitorGetInfo)(sys_mon_t *mid, sys_mon_info *info);
+
+} HPI_ThreadInterface;
+
+/*
+ * files
+ */
+
+#define HPI_FILETYPE_REGULAR    (0)
+#define HPI_FILETYPE_DIRECTORY  (1)
+#define HPI_FILETYPE_OTHER      (2)
+
+typedef struct {
+  char *         (*NativePath)(char *path);
+  int            (*FileType)(const char *path);
+  int            (*Open)(const char *name, int openMode, int filePerm);
+  int            (*Close)(int fd);
+  jlong          (*Seek)(int fd, jlong offset, int whence);
+  int            (*SetLength)(int fd, jlong length);
+  int            (*Sync)(int fd);
+  int            (*Available)(int fd, jlong *bytes);
+  size_t         (*Read)(int fd, void *buf, unsigned int nBytes);
+  size_t         (*Write)(int fd, const void *buf, unsigned int nBytes);
+  int            (*FileSizeFD)(int fd, jlong *size);
+} HPI_FileInterface;
+
+/*
+ * sockets
+ */
+struct sockaddr;
+struct hostent;
+
+typedef struct {
+  int              (*Close)(int fd);
+  long             (*Available)(int fd, jint *pbytes);
+  int              (*Connect)(int fd, struct sockaddr *him, int len);
+  int              (*Accept)(int fd, struct sockaddr *him, int *len);
+  int              (*SendTo)(int fd, char *buf, int len, int flags,
+                             struct sockaddr *to, int tolen);
+  int              (*RecvFrom)(int fd, char *buf, int nbytes, int flags,
+                               struct sockaddr *from, int *fromlen);
+  int              (*Listen)(int fd, long count);
+  int              (*Recv)(int fd, char *buf, int nBytes, int flags);
+  int              (*Send)(int fd, char *buf, int nBytes, int flags);
+  int              (*Timeout)(int fd, long timeout);
+  struct hostent * (*GetHostByName)(char *hostname);
+  int              (*Socket)(int domain, int type, int protocol);
+  int              (*SocketShutdown)(int fd, int howto);
+  int              (*Bind)(int fd, struct sockaddr *him, int len);
+  int              (*GetSocketName)(int fd, struct sockaddr *him, int *len);
+  int              (*GetHostName)(char *hostname, int namelen);
+  struct hostent * (*GetHostByAddr)(const char *hostname, int len, int type);
+  int              (*SocketGetOption)(int fd, int level, int optname, char *optval, int *optlen);
+  int              (*SocketSetOption)(int fd, int level, int optname, const char *optval, int optlen);
+  struct protoent * (*GetProtoByName)(char* name);
+} HPI_SocketInterface;
+
+/*
+ * callbacks.
+ */
+typedef struct vm_calls {
+    int    (*jio_fprintf)(FILE *fp, const char *fmt, ...);
+    void   (*panic)(const char *fmt, ...);
+    void   (*monitorRegister)(sys_mon_t *mid, char *info_str);
+
+    void   (*monitorContendedEnter)(sys_thread_t *self, sys_mon_t *mid);
+    void   (*monitorContendedEntered)(sys_thread_t *self, sys_mon_t *mid);
+    void   (*monitorContendedExit)(sys_thread_t *self, sys_mon_t *mid);
+} vm_calls_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* !_JAVASOFT_HPI_H_ */