mirror of git://gcc.gnu.org/git/gcc.git
189 lines
3.8 KiB
C
189 lines
3.8 KiB
C
// posix.h -- Helper functions for POSIX-flavored OSs.
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/* Copyright (C) 2000, 2002, 2003 Free Software Foundation
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This file is part of libgcj.
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This software is copyrighted work licensed under the terms of the
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Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
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details. */
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#ifndef __JV_POSIX_H__
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#define __JV_POSIX_H__
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/* Required on Tru64 UNIX V4/V5 so <sys/socket.h> defines prototypes of
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socket functions with socklen_t instead of size_t. This must be defined
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early so <standards.h> defines the correct version of __PIIX. */
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#define _POSIX_PII_SOCKET
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#include <time.h>
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#include <sys/types.h>
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#endif
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#ifdef HAVE_SYS_SELECT_H
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#include <sys/select.h>
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#endif
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#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <fcntl.h>
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#include <gcj/cni.h>
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#include <java/util/Properties.h>
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// Prefix and suffix for shared libraries.
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#define _Jv_platform_solib_prefix "lib"
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#if defined(__APPLE__) && defined(__MACH__) && defined(__ppc__)
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#define _Jv_platform_solib_suffix ".dylib"
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#else
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#define _Jv_platform_solib_suffix ".so"
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#endif
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// Some POSIX systems don't have O_SYNC and O_DYSNC so we define them here.
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// Needed in java/io/natFileDescriptorPosix.cc.
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#if !defined (O_SYNC) && defined (O_FSYNC)
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#define O_SYNC O_FSYNC
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#endif
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#if !defined (O_DSYNC) && defined (O_FSYNC)
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#define O_DSYNC O_FSYNC
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#endif
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// If O_DSYNC is still not defined, use O_SYNC (needed for newlib)
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#if !defined (O_DSYNC)
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#define O_DSYNC O_SYNC
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#endif
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// Separator for file name components.
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#define _Jv_platform_file_separator ((jchar) '/')
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// Separator for path components.
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#define _Jv_platform_path_separator ((jchar) ':')
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// List of names for `JNI_OnLoad'.
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#define _Jv_platform_onload_names { "JNI_OnLoad", NULL }
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// Type of libffi ABI used by JNICALL methods. NOTE: This must agree
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// with the JNICALL definition in jni.h
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#define _Jv_platform_ffi_abi FFI_DEFAULT_ABI
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#ifndef DISABLE_JAVA_NET
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#include <java/net/InetAddress.h>
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#endif
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extern int _Jv_select (int n, fd_set *, fd_set *, fd_set *, struct timeval *);
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extern jlong _Jv_platform_gettimeofday ();
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extern void _Jv_platform_initialize (void);
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extern void _Jv_platform_initProperties (java::util::Properties*);
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inline void
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_Jv_platform_close_on_exec (jint fd)
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{
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// Ignore errors.
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::fcntl (fd, F_SETFD, FD_CLOEXEC);
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}
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#undef fcntl
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#ifdef JV_HASH_SYNCHRONIZATION
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#ifndef HAVE_USLEEP_DECL
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extern "C" int usleep (useconds_t useconds);
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#endif /* not HAVE_USLEEP_DECL */
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inline void
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_Jv_platform_usleep (unsigned long usecs)
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{
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usleep (usecs);
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}
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#endif /* JV_HASH_SYNCHRONIZATION */
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#ifndef DISABLE_JAVA_NET
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#ifndef HAVE_SOCKLEN_T
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#define socklen_t int
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#endif
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static inline int
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_Jv_socket (int domain, int type, int protocol)
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{
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return ::socket (domain, type, protocol);
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}
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#undef socket
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inline int
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_Jv_connect (jint fd, sockaddr *ptr, int len)
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{
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return ::connect (fd, ptr, len);
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}
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#undef connect
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inline int
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_Jv_close (jint fd)
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{
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return ::close (fd);
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}
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#undef close
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// Avoid macro definitions of bind from system headers, e.g. on
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// Solaris 7 with _XOPEN_SOURCE. FIXME
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inline int
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_Jv_bind (int fd, struct sockaddr *addr, int addrlen)
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{
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return ::bind (fd, addr, addrlen);
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}
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#undef bind
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// Same problem with accept on Tru64 UNIX with _POSIX_PII_SOCKET
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inline int
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_Jv_accept (int fd, struct sockaddr *addr, socklen_t *addrlen)
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{
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return ::accept (fd, addr, addrlen);
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}
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#undef accept
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inline int
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_Jv_listen (int fd, int backlog)
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{
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return ::listen (fd, backlog);
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}
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#undef listen
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inline int
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_Jv_write(int s, void *buf, int len)
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{
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return ::write (s, buf, len);
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}
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#undef write
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inline int
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_Jv_read(int s, void *buf, int len)
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{
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return ::read (s, buf, len);
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}
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#undef read
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#endif /* DISABLE_JAVA_NET */
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// Wraps ::pipe
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static inline int
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_Jv_pipe (int filedes[2])
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{
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return ::pipe (filedes);
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}
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#endif /* __JV_POSIX_H__ */
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