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Diffstat (limited to 'libc/sysdeps/mach/hurd/recv.c')
-rw-r--r--libc/sysdeps/mach/hurd/recv.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/libc/sysdeps/mach/hurd/recv.c b/libc/sysdeps/mach/hurd/recv.c
new file mode 100644
index 000000000..b001729d1
--- /dev/null
+++ b/libc/sysdeps/mach/hurd/recv.c
@@ -0,0 +1,64 @@
+/* Copyright (C) 1994,1997,2001,2005 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <sys/socket.h>
+#include <hurd.h>
+#include <hurd/fd.h>
+#include <hurd/socket.h>
+#include <string.h>
+
+/* Read N bytes into BUF from socket FD.
+ Returns the number read or -1 for errors. */
+
+ssize_t
+__recv (fd, buf, n, flags)
+ int fd;
+ void *buf;
+ size_t n;
+ int flags;
+{
+ error_t err;
+ mach_port_t addrport;
+ char *bufp = buf;
+ mach_msg_type_number_t nread = n;
+ mach_port_t *ports;
+ mach_msg_type_number_t nports;
+ char *cdata = NULL;
+ mach_msg_type_number_t clen = 0;
+
+ if (err = HURD_DPORT_USE (fd, __socket_recv (port, &addrport,
+ flags, &bufp, &nread,
+ &ports, &nports,
+ &cdata, &clen,
+ &flags,
+ n)))
+ return __hurd_dfail (fd, err);
+
+ __mach_port_deallocate (__mach_task_self (), addrport);
+ __vm_deallocate (__mach_task_self (), (vm_address_t) cdata, clen);
+
+ if (bufp != buf)
+ {
+ memcpy (buf, bufp, nread);
+ __vm_deallocate (__mach_task_self (), (vm_address_t) bufp, nread);
+ }
+
+ return nread;
+}
+weak_alias (__recv, recv)