2008-05-20 Kai Tietz <kai.tietz@onevision.com>
[official-gcc.git] / libjava / include / posix.h
blob5f522a3804aff679fe521598cfc90444e22e1281
1 // posix.h -- Helper functions for POSIX-flavored OSs.
3 /* Copyright (C) 2000, 2002, 2003, 2006 Free Software Foundation
5 This file is part of libgcj.
7 This software is copyrighted work licensed under the terms of the
8 Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
9 details. */
11 #ifndef __JV_POSIX_H__
12 #define __JV_POSIX_H__
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
19 #include <time.h>
20 #include <sys/types.h>
22 #ifdef HAVE_SYS_TIME_H
23 #include <sys/time.h>
24 #endif
26 #ifdef HAVE_SYS_SELECT_H
27 #include <sys/select.h>
28 #endif
30 #ifdef HAVE_SYS_SOCKET_H
31 #include <sys/socket.h>
32 #endif
34 #ifdef HAVE_UNISTD_H
35 #include <unistd.h>
36 #endif
38 #include <fcntl.h>
40 /* The header file <sys/rw_lock.h> needs to be included before javaprims.h
41 on HP-UX 11 to avoid a compilation error. */
42 #ifdef HAVE_SYS_RW_LOCK_H
43 #include <sys/rw_lock.h>
44 #endif
46 #include <gcj/cni.h>
47 #include <java/util/Properties.h>
49 // Prefix and suffix for shared libraries.
50 #define _Jv_platform_solib_prefix "lib"
51 #if defined(__APPLE__) && defined(__MACH__)
52 #define _Jv_platform_solib_suffix ".dylib"
53 #elif defined(HPUX) && defined(HP_PA)
54 #define _Jv_platform_solib_suffix ".sl"
55 #else
56 #define _Jv_platform_solib_suffix ".so"
57 #endif
59 // Some POSIX systems don't have O_SYNC and O_DYSNC so we define them here.
60 // Needed in java/io/natFileDescriptorPosix.cc.
61 #if !defined (O_SYNC) && defined (O_FSYNC)
62 #define O_SYNC O_FSYNC
63 #endif
64 #if !defined (O_DSYNC) && defined (O_FSYNC)
65 #define O_DSYNC O_FSYNC
66 #endif
67 // If O_DSYNC is still not defined, use O_SYNC (needed for newlib)
68 #if !defined (O_DSYNC)
69 #define O_DSYNC O_SYNC
70 #endif
72 // Name of the Process implementation.
73 #ifdef ECOS
74 #define _Jv_platform_process ::java::lang::EcosProcess
75 #else
76 #define _Jv_platform_process ::java::lang::PosixProcess
77 #endif
79 // Separator for file name components.
80 #define _Jv_platform_file_separator ((jchar) '/')
81 // Separator for path components.
82 #define _Jv_platform_path_separator ((jchar) ':')
84 // List of names for `JNI_OnLoad'.
85 #define _Jv_platform_onload_names { "JNI_OnLoad", NULL }
87 // Type of libffi ABI used by JNICALL methods. NOTE: This must agree
88 // with the JNICALL definition in jni.h
89 #define _Jv_platform_ffi_abi FFI_DEFAULT_ABI
91 #ifndef DISABLE_JAVA_NET
92 #include <java/net/InetAddress.h>
93 #endif
95 extern int _Jv_select (int n, fd_set *, fd_set *, fd_set *, struct timeval *);
96 extern jlong _Jv_platform_gettimeofday ();
97 extern jlong _Jv_platform_nanotime ();
98 extern void _Jv_platform_initialize (void);
99 extern void _Jv_platform_initProperties (java::util::Properties*);
101 #ifdef JV_HASH_SYNCHRONIZATION
102 #ifndef HAVE_USLEEP_DECL
103 extern "C" int usleep (useconds_t useconds);
104 #endif /* not HAVE_USLEEP_DECL */
106 inline void
107 _Jv_platform_usleep (unsigned long usecs)
109 usleep (usecs);
111 #endif /* JV_HASH_SYNCHRONIZATION */
113 #ifndef DISABLE_JAVA_NET
115 #ifndef HAVE_SOCKLEN_T
116 #define socklen_t int
117 #endif
119 static inline int
120 _Jv_socket (int domain, int type, int protocol)
122 return ::socket (domain, type, protocol);
125 #undef socket
127 inline int
128 _Jv_connect (jint fd, sockaddr *ptr, int len)
130 return ::connect (fd, ptr, len);
133 #undef connect
135 inline int
136 _Jv_close (jint fd)
138 return ::close (fd);
141 #undef close
143 // Avoid macro definitions of bind from system headers, e.g. on
144 // Solaris 7 with _XOPEN_SOURCE. FIXME
145 inline int
146 _Jv_bind (int fd, struct sockaddr *addr, int addrlen)
148 return ::bind (fd, addr, addrlen);
151 #undef bind
153 // Same problem with accept on Tru64 UNIX with _POSIX_PII_SOCKET
154 inline int
155 _Jv_accept (int fd, struct sockaddr *addr, socklen_t *addrlen)
157 return ::accept (fd, addr, addrlen);
160 #undef accept
162 inline int
163 _Jv_listen (int fd, int backlog)
165 return ::listen (fd, backlog);
168 #undef listen
170 inline int
171 _Jv_write(int s, void *buf, int len)
173 return ::write (s, buf, len);
176 #undef write
178 inline int
179 _Jv_read(int s, void *buf, int len)
181 return ::read (s, buf, len);
184 #undef read
186 #endif /* DISABLE_JAVA_NET */
188 // Wraps ::pipe
189 static inline int
190 _Jv_pipe (int filedes[2])
192 return ::pipe (filedes);
195 // Forward declaration. See java-stack.h for definition.
196 struct _Jv_AddrInfo;
198 // Given an address, determine the executable or shared object that defines
199 // it and the nearest named symbol.
200 extern int _Jv_platform_dladdr (void *addr, _Jv_AddrInfo *info);
202 #endif /* __JV_POSIX_H__ */