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 #define _Jv_platform_solib_suffix ".so"
  46
  47 #ifndef DISABLE_JAVA_NET
  48 #include <java/net/InetAddress.h>
  49 #endif
  50
  51 extern int _Jv_select (int n, fd_set *, fd_set *, fd_set *, struct timeval *);
  52 extern jlong _Jv_platform_gettimeofday ();
  53 extern void _Jv_platform_initialize (void);
  54 extern void _Jv_platform_initProperties (java::util::Properties*);
  55
  56 inline void
  57 _Jv_platform_close_on_exec (jint fd)
  58 {
  59   // Ignore errors.
  60   ::fcntl (fd, F_SETFD, FD_CLOEXEC);
  61 }
  62
  63 #undef fcntl
  64
  65 #ifdef JV_HASH_SYNCHRONIZATION
  66 inline void
  67 _Jv_platform_usleep (unsigned long usecs)
  68 {
  69   usleep (usecs);
  70 }
  71 #endif /* JV_HASH_SYNCHRONIZATION */
  72
  73 #ifndef DISABLE_JAVA_NET
  74
  75 #ifndef HAVE_SOCKLEN_T
  76 #define socklen_t int
  77 #endif
  78
  79 static inline int
  80 _Jv_socket (int domain, int type, int protocol)
  81 {
  82   return ::socket (domain, type, protocol);
  83 }
  84
  85 #undef socket
  86
  87 inline int
  88 _Jv_connect (jint fd, sockaddr *ptr, int len)
  89 {
  90    return ::connect (fd, ptr, len);
  91 }
  92
  93 #undef connect
  94
  95 inline int
  96 _Jv_close (jint fd)
  97 {
  98   return ::close (fd);
  99 }
 100
 101 #undef close
 102
 103 // Avoid macro definitions of bind from system headers, e.g. on
 104 // Solaris 7 with _XOPEN_SOURCE.  FIXME
 105 inline int
 106 _Jv_bind (int fd, struct sockaddr *addr, int addrlen)
 107 {
 108   return ::bind (fd, addr, addrlen);
 109 }
 110
 111 #undef bind
 112
 113 // Same problem with accept on Tru64 UNIX with _POSIX_PII_SOCKET
 114 inline int
 115 _Jv_accept (int fd, struct sockaddr *addr, socklen_t *addrlen)
 116 {
 117   return ::accept (fd, addr, addrlen);
 118 }
 119
 120 #undef accept
 121
 122 inline int
 123 _Jv_listen (int fd, int backlog)
 124 {
 125   return ::listen (fd, backlog);
 126 }
 127
 128 #undef listen
 129
 130 inline int
 131 _Jv_write(int s, void *buf, int len)
 132 {
 133   return ::write (s, buf, len);
 134 }
 135
 136 #undef write
 137
 138 inline int
 139 _Jv_read(int s, void *buf, int len)
 140 {
 141   return ::read (s, buf, len);
 142 }
 143
 144 #undef read
 145
 146 #endif /* DISABLE_JAVA_NET */
 147
 148 #endif /* __JV_POSIX_H__ */