libjava/include/posix.h

   1 // posix.h -- Helper functions for POSIX-flavored OSs.
   2
   3 /* Copyright (C) 2000, 2002  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 #ifndef DISABLE_JAVA_NET
  15
  16 /* Required on Tru64 UNIX V4/V5 so <sys/socket.h> defines prototypes of
  17    socket functions with socklen_t instead of size_t.  This must be defined
  18    early so <standards.h> defines the correct version of __PIIX.  */
  19 #define _POSIX_PII_SOCKET
  20
  21 #include <time.h>
  22 #include <sys/types.h>
  23
  24 #ifdef HAVE_SYS_TIME_H
  25 #include <sys/time.h>
  26 #endif
  27
  28 #ifdef HAVE_SYS_SELECT_H
  29 #include <sys/select.h>
  30 #endif
  31
  32 #ifdef HAVE_SYS_SOCKET_H
  33 #include <sys/socket.h>
  34 #endif
  35
  36 #ifdef HAVE_UNISTD_H
  37 #include <unistd.h>
  38 #endif
  39
  40 #include <fcntl.h>
  41
  42 #include <gcj/cni.h>
  43 #include <java/util/Properties.h>
  44
  45 extern int _Jv_select (int n, fd_set *, fd_set *, fd_set *, struct timeval *);
  46 extern jlong _Jv_platform_gettimeofday ();
  47 extern void _Jv_platform_initialize (void);
  48 extern void _Jv_platform_initProperties (java::util::Properties*);
  49
  50 static inline int
  51 _Jv_socket (int domain, int type, int protocol)
  52 {
  53   return ::socket (domain, type, protocol);
  54 }
  55
  56 inline int
  57 _Jv_connect (jint fd, sockaddr *ptr, int len)
  58 {
  59    return ::connect (fd, ptr, len);
  60 }
  61
  62 inline int
  63 _Jv_close (jint fd)
  64 {
  65   return ::close (fd);
  66 }
  67
  68 inline void
  69 _Jv_platform_close_on_exec (jint fd)
  70 {
  71   // Ignore errors.
  72   ::fcntl (fd, F_SETFD, FD_CLOEXEC);
  73 }
  74
  75 // Avoid macro definitions of bind from system headers, e.g. on
  76 // Solaris 7 with _XOPEN_SOURCE.  FIXME
  77 inline int
  78 _Jv_bind (int fd, struct sockaddr *addr, int addrlen)
  79 {
  80   return ::bind (fd, addr, addrlen);
  81 }
  82
  83 // Same problem with accept on Tru64 UNIX with _POSIX_PII_SOCKET
  84 inline int
  85 _Jv_accept (int fd, struct sockaddr *addr, socklen_t *addrlen)
  86 {
  87   return ::accept (fd, addr, addrlen);
  88 }
  89
  90 inline int
  91 _Jv_listen (int fd, int backlog)
  92 {
  93   return ::listen (fd, backlog);
  94 }
  95
  96 inline int
  97 _Jv_write(int s, void *buf, int len)
  98 {
  99   return ::write (s, buf, len);
 100 }
 101
 102 inline int
 103 _Jv_read(int s, void *buf, int len)
 104 {
 105   return ::read (s, buf, len);
 106 }
 107
 108 #endif /* DISABLE_JAVA_NET */
 109
 110 #endif /* __JV_POSIX_H__ */