libjava/gcj/cni.h

   1 // gcj/cni.h -*- c++ -*-
   2 // This file describes the Compiled Native Interface, CNI.
   3 // It provides a nicer interface to many of the things in gcj/javaprims.h.
   4
   5 /* Copyright (C) 1998, 1999, 2002  Free Software Foundation
   6
   7    This file is part of libgcj.
   8
   9 This software is copyrighted work licensed under the terms of the
  10 Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
  11 details.  */
  12
  13 #ifndef __GCJ_CNI_H__
  14 #define __GCJ_CNI_H__
  15
  16 #include <java/lang/Object.h>
  17 #include <java/lang/Class.h>
  18
  19 #include <gcj/array.h>
  20 #include <gcj/javaprims.h>
  21
  22 #include <string.h>
  23
  24 extern "C" void _Jv_InitClass (jclass);
  25 extern "C" void *_Jv_AllocBytes (jsize size) __attribute__((__malloc__));
  26
  27 extern inline void
  28 JvInitClass (jclass cls)
  29 {
  30   return _Jv_InitClass (cls);
  31 }
  32
  33 extern inline void *
  34 JvAllocBytes (jsize sz)
  35 {
  36   return _Jv_AllocBytes (sz);
  37 }
  38
  39 extern inline jstring
  40 JvAllocString (jsize sz)
  41 {
  42   return _Jv_AllocString (sz);
  43 }
  44
  45 extern inline jstring
  46 JvNewString (const jchar *chars, jsize len)
  47 {
  48   return _Jv_NewString (chars, len);
  49 }
  50
  51 extern inline jstring
  52 JvNewStringLatin1 (const char *bytes, jsize len)
  53 {
  54   return _Jv_NewStringLatin1 (bytes, len);
  55 }
  56
  57 extern inline jstring
  58 JvNewStringLatin1 (const char *bytes)
  59 {
  60   return _Jv_NewStringLatin1 (bytes, strlen (bytes));
  61 }
  62
  63 extern inline jchar *
  64 _Jv_GetStringChars (jstring str)
  65 {
  66   return (jchar*)((char*) str->data + str->boffset);
  67 }
  68
  69 extern inline jchar*
  70 JvGetStringChars (jstring str)
  71 {
  72   return _Jv_GetStringChars (str);
  73 }
  74
  75 extern inline jsize
  76 JvGetStringUTFLength (jstring string)
  77 {
  78   return _Jv_GetStringUTFLength (string);
  79 }
  80
  81 extern inline jsize
  82 JvGetStringUTFRegion (jstring str, jsize start, jsize len, char *buf)
  83 {
  84   return _Jv_GetStringUTFRegion (str, start, len, buf);
  85 }
  86
  87 extern inline jstring
  88 JvNewStringUTF (const char *bytes)
  89 {
  90   return _Jv_NewStringUTF (bytes);
  91 }
  92
  93 class JvSynchronize
  94 {
  95 private:
  96   jobject obj;
  97 public:
  98   JvSynchronize (const jobject &o) : obj (o)
  99     { _Jv_MonitorEnter (obj); }
 100   ~JvSynchronize ()
 101     { _Jv_MonitorExit (obj); }
 102 };
 103
 104 /* Call malloc, but throw exception if insufficient memory. */
 105 extern inline void *
 106 JvMalloc (jsize size)
 107 {
 108   return _Jv_Malloc (size);
 109 }
 110
 111 extern inline void
 112 JvFree (void *ptr)
 113 {
 114   return _Jv_Free (ptr);
 115 }
 116
 117 typedef struct _Jv_VMOption JvVMOption;
 118 typedef struct _Jv_VMInitArgs JvVMInitArgs;
 119
 120 extern inline jint
 121 JvCreateJavaVM (JvVMInitArgs* vm_args)
 122 {
 123   return _Jv_CreateJavaVM (vm_args);
 124 }
 125
 126 extern inline java::lang::Thread*
 127 JvAttachCurrentThread (jstring name, java::lang::ThreadGroup* group)
 128 {
 129   return _Jv_AttachCurrentThread (name, group);
 130 }
 131
 132 extern inline java::lang::Thread*
 133 JvAttachCurrentThreadAsDaemon (jstring name, java::lang::ThreadGroup* group)
 134 {
 135   return _Jv_AttachCurrentThreadAsDaemon (name, group);
 136 }
 137
 138 extern inline jint
 139 JvDetachCurrentThread (void)
 140 {
 141   return _Jv_DetachCurrentThread ();
 142 }
 143 #endif /* __GCJ_CNI_H__ */