libjava/include/win32.h

   1 // win32.h -- Helper functions for Microsoft-flavored OSs.
   2
   3 /* Copyright (C) 2002, 2003  Free Software Foundation
   4
   5    This file is part of libgcj.
   6
   7 This software is copyrighted work licensed under the terms of the
   8 Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
   9 details.  */
  10
  11 #ifndef __JV_WIN32_H__
  12 #define __JV_WIN32_H__
  13
  14 #include <windows.h>
  15 #undef STRICT
  16
  17 #include <ws2tcpip.h>
  18 #include <gcj/cni.h>
  19 #include <java/util/Properties.h>
  20
  21 #include <io.h>
  22
  23 // Prefix and suffix for shared libraries.
  24 #define _Jv_platform_solib_prefix ""
  25 #define _Jv_platform_solib_suffix ".dll"
  26
  27 // Separator for file name components.
  28 #define _Jv_platform_file_separator ((jchar) '\\')
  29 // Separator for path components.
  30 #define _Jv_platform_path_separator ((jchar) ';')
  31
  32 // List of names for `JNI_OnLoad'.  On Win32, JNI_OnLoad is an
  33 // "stdcall" function taking two pointers (8 bytes) as arguments.  It
  34 // could also have been exported as "JNI_OnLoad@8" (MinGW) or
  35 // "_JNI_OnLoad@8" (MSVC).
  36 #define _Jv_platform_onload_names \
  37     { "JNI_OnLoad", "JNI_OnLoad@8", "_JNI_OnLoad@8", NULL }
  38
  39 // Type of libffi ABI used by JNICALL methods.  NOTE: This must agree
  40 // with the JNICALL definition in jni.h
  41 #define _Jv_platform_ffi_abi FFI_STDCALL
  42
  43 #ifndef DISABLE_JAVA_NET
  44
  45 // these errors cannot occur on Win32
  46 #define ENOTCONN 0
  47 #define ECONNRESET 0
  48
  49 #ifndef ENOPROTOOPT
  50 #define ENOPROTOOPT 109
  51 #endif
  52
  53 #endif // DISABLE_JAVA_NET
  54
  55 extern void _Jv_platform_initialize (void);
  56 extern void _Jv_platform_initProperties (java::util::Properties*);
  57 extern jlong _Jv_platform_gettimeofday ();
  58
  59 inline void
  60 _Jv_platform_close_on_exec (jint)
  61 {
  62   // Ignore.
  63 }
  64
  65 #ifdef JV_HASH_SYNCHRONIZATION
  66 /* Suspends the execution of the current thread for the specified
  67    number of microseconds.  Tries to emulate the behaviour of usleep()
  68    on UNIX and provides a granularity of 1 millisecond.  */
  69 inline void
  70 _Jv_platform_usleep (unsigned long usecs)
  71 {
  72   if (usecs > 0UL)
  73     {
  74       unsigned long millis = ((usecs + 999UL) / 1000UL);
  75       Sleep (millis);
  76     }
  77 }
  78 #endif /* JV_HASH_SYNCHRONIZATION */
  79
  80 #ifndef DISABLE_JAVA_NET
  81
  82 static inline int
  83 _Jv_socket (int domain, int type, int protocol)
  84 {
  85   return ::socket (domain, type, protocol);
  86 }
  87
  88 inline int
  89 _Jv_connect (jint fd, sockaddr *ptr, int len)
  90 {
  91   return ::connect (fd, ptr, len);
  92 }
  93
  94 inline int
  95 _Jv_close (jint fd)
  96 {
  97   return ::closesocket (fd);
  98 }
  99
 100 inline int
 101 _Jv_bind (int fd, struct sockaddr *addr, int addrlen)
 102 {
 103   return ::bind (fd, addr, addrlen);
 104 }
 105
 106 inline int
 107 _Jv_accept (int fd, struct sockaddr *addr, socklen_t *addrlen)
 108 {
 109   return ::accept (fd, addr, addrlen);
 110 }
 111
 112 inline int
 113 _Jv_listen (int fd, int backlog)
 114 {
 115   return ::listen (fd, backlog);
 116 }
 117
 118 inline int
 119 _Jv_write(int s, void *buf, int len)
 120 {
 121   return ::send (s, (char*) buf, len, 0);
 122 }
 123
 124 inline int
 125 _Jv_read(int s, void *buf, int len)
 126 {
 127   return ::recv (s, (char*) buf, len, 0);
 128 }
 129
 130 #endif /* DISABLE_JAVA_NET */
 131
 132 /* Store up to SIZE return address of the current program state in
 133    ARRAY and return the exact number of values stored.  */
 134 extern int backtrace (void **__array, int __size);
 135
 136 #endif /* __JV_WIN32_H__ */