libjava/include/posix.h

   1 // posix.h -- Helper functions for POSIX-flavored OSs.
   2
   3 /* Copyright (C) 2000, 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_POSIX_H__
  12 #define __JV_POSIX_H__
  13
  14 /* Required on Tru64 UNIX V4/V5 so <sys/socket.h> defines prototypes of
  15    socket functions with socklen_t instead of size_t.  This must be defined
  16    early so <standards.h> defines the correct version of __PIIX.  */
  17 #define _POSIX_PII_SOCKET
  18
  19 #include <time.h>
  20 #include <sys/types.h>
  21
  22 #ifdef HAVE_SYS_TIME_H
  23 #include <sys/time.h>
  24 #endif
  25
  26 #ifdef HAVE_SYS_SELECT_H
  27 #include <sys/select.h>
  28 #endif
  29
  30 #ifdef HAVE_SYS_SOCKET_H
  31 #include <sys/socket.h>
  32 #endif
  33
  34 #ifdef HAVE_UNISTD_H
  35 #include <unistd.h>
  36 #endif
  37
  38 #include <fcntl.h>
  39
  40 #include <gcj/cni.h>
  41 #include <java/util/Properties.h>
  42
  43 // Prefix and suffix for shared libraries.
  44 #define _Jv_platform_solib_prefix "lib"
  45 #if defined(__APPLE__) && defined(__MACH__) && defined(__ppc__)
  46 #define _Jv_platform_solib_suffix ".dylib"
  47 #else
  48 #define _Jv_platform_solib_suffix ".so"
  49 #endif
  50
  51 // Separator for file name components.
  52 #define _Jv_platform_file_separator ((jchar) '/')
  53 // Separator for path components.
  54 #define _Jv_platform_path_separator ((jchar) ':')
  55
  56 // List of names for `JNI_OnLoad'.
  57 #define _Jv_platform_onload_names { "JNI_OnLoad", NULL }
  58
  59 // Type of libffi ABI used by JNICALL methods.  NOTE: This must agree
  60 // with the JNICALL definition in jni.h
  61 #define _Jv_platform_ffi_abi FFI_DEFAULT_ABI
  62
  63 #ifndef DISABLE_JAVA_NET
  64 #include <java/net/InetAddress.h>
  65 #endif
  66
  67 extern int _Jv_select (int n, fd_set *, fd_set *, fd_set *, struct timeval *);
  68 extern jlong _Jv_platform_gettimeofday ();
  69 extern void _Jv_platform_initialize (void);
  70 extern void _Jv_platform_initProperties (java::util::Properties*);
  71
  72 inline void
  73 _Jv_platform_close_on_exec (jint fd)
  74 {
  75   // Ignore errors.
  76   ::fcntl (fd, F_SETFD, FD_CLOEXEC);
  77 }
  78
  79 #undef fcntl
  80
  81 #ifdef JV_HASH_SYNCHRONIZATION
  82 inline void
  83 _Jv_platform_usleep (unsigned long usecs)
  84 {
  85   usleep (usecs);
  86 }
  87 #endif /* JV_HASH_SYNCHRONIZATION */
  88
  89 #ifndef DISABLE_JAVA_NET
  90
  91 #ifndef HAVE_SOCKLEN_T
  92 #define socklen_t int
  93 #endif
  94
  95 static inline int
  96 _Jv_socket (int domain, int type, int protocol)
  97 {
  98   return ::socket (domain, type, protocol);
  99 }
 100
 101 #undef socket
 102
 103 inline int
 104 _Jv_connect (jint fd, sockaddr *ptr, int len)
 105 {
 106    return ::connect (fd, ptr, len);
 107 }
 108
 109 #undef connect
 110
 111 inline int
 112 _Jv_close (jint fd)
 113 {
 114   return ::close (fd);
 115 }
 116
 117 #undef close
 118
 119 // Avoid macro definitions of bind from system headers, e.g. on
 120 // Solaris 7 with _XOPEN_SOURCE.  FIXME
 121 inline int
 122 _Jv_bind (int fd, struct sockaddr *addr, int addrlen)
 123 {
 124   return ::bind (fd, addr, addrlen);
 125 }
 126
 127 #undef bind
 128
 129 // Same problem with accept on Tru64 UNIX with _POSIX_PII_SOCKET
 130 inline int
 131 _Jv_accept (int fd, struct sockaddr *addr, socklen_t *addrlen)
 132 {
 133   return ::accept (fd, addr, addrlen);
 134 }
 135
 136 #undef accept
 137
 138 inline int
 139 _Jv_listen (int fd, int backlog)
 140 {
 141   return ::listen (fd, backlog);
 142 }
 143
 144 #undef listen
 145
 146 inline int
 147 _Jv_write(int s, void *buf, int len)
 148 {
 149   return ::write (s, buf, len);
 150 }
 151
 152 #undef write
 153
 154 inline int
 155 _Jv_read(int s, void *buf, int len)
 156 {
 157   return ::read (s, buf, len);
 158 }
 159
 160 #undef read
 161
 162 #endif /* DISABLE_JAVA_NET */
 163
 164 #endif /* __JV_POSIX_H__ */