diff options
Diffstat (limited to 'libjava/classpath/native/jni/java-net/local.c')
| -rw-r--r-- | libjava/classpath/native/jni/java-net/local.c | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/libjava/classpath/native/jni/java-net/local.c b/libjava/classpath/native/jni/java-net/local.c new file mode 100644 index 000000000..53830f371 --- /dev/null +++ b/libjava/classpath/native/jni/java-net/local.c @@ -0,0 +1,189 @@ +/* local.c -- implementation of unix-domain sockets. + Copyright (C) 2006 Free Software Foundation, Inc. + +This file is a part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at +your option) any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; if not, write to the Free Software +Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 +USA + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +#include "config.h" + +#ifdef ENABLE_LOCAL_SOCKETS + +#include <stddef.h> +#include <stdlib.h> +#include <unistd.h> +#include <string.h> +#include <errno.h> +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/un.h> + +#include <stdio.h> + +#if defined(HAVE_SYS_IOCTL_H) +#define BSD_COMP /* Get FIONREAD on Solaris2 */ +#include <sys/ioctl.h> +#endif +#if defined(HAVE_SYS_FILIO_H) /* Get FIONREAD on Solaris 2.5 */ +#include <sys/filio.h> +#endif + +#include "local.h" + +const char * +local_error (void) +{ + return strerror (errno); +} + +int +local_create (int stream) +{ + return socket (PF_UNIX, stream ? SOCK_STREAM : SOCK_DGRAM, 0); +} + +int +local_bind (int fd, const char *addr) +{ + struct sockaddr_un saddr; + + if (strlen (addr) >= sizeof (saddr.sun_path)) + { + errno = ENAMETOOLONG; + return -1; + } + + strcpy (saddr.sun_path, addr); + saddr.sun_family = AF_LOCAL; + + return bind (fd, (struct sockaddr *) &saddr, SUN_LEN (&saddr)); +} + +int +local_listen (int fd, int backlog) +{ + return listen (fd, backlog); +} + +int +local_accept (int fd, char *path) +{ + int newfd; + struct sockaddr_un addr; + socklen_t sz = SUN_LEN(&addr); + + newfd = accept (fd, (struct sockaddr *) &addr, &sz); + if (newfd >= 0) + { + /** sun_path is some crazy statically-sized buffer, and it's + size is different on different OSes. */ + int n = sizeof (addr.sun_path); + strncpy (path, addr.sun_path, n); + path[n] = '\0'; + } + return newfd; +} + +int +local_available (int fd) +{ + int val; + if (ioctl (fd, FIONREAD, &val)) + { + return -1; + } + return val; +} + +int +local_close (int fd) +{ + return close (fd); +} + +int +local_unlink (char *path) +{ + return unlink (path); +} + +int +local_shutdown_input (int fd) +{ + return shutdown (fd, 0); +} + +int +local_shutdown_output (int fd) +{ + return shutdown (fd, 1); +} + +int +local_connect (int fd, char *path) +{ + struct sockaddr_un saddr; + + strncpy (saddr.sun_path, path, sizeof (saddr.sun_path)); + saddr.sun_path[sizeof (saddr.sun_path) - 1] = '\0'; + saddr.sun_family = AF_UNIX; + + return connect (fd, (struct sockaddr *) &saddr, SUN_LEN(&saddr)); +} + +int +local_read (int fd, void *buf, int len) +{ + int count = -1; + do + { + count = read (fd, buf, len); + } + while (count == -1 && errno == EINTR); + return count; +} + +int +local_write (int fd, void *buf, int len) +{ + int count = -1; + do + { + count = write (fd, buf, len); + } + while (count == -1 && errno == EINTR); + return count; +} + +#endif /* ENABLE_LOCAL_SOCKETS */ |