patch-2.3.44 linux/net/socket.c

• Lines: 58
• Date: Sat Feb 12 09:52:04 2000
• Orig file: v2.3.43/linux/net/socket.c
• Orig date: Thu Feb 10 17:11:25 2000

diff -u --recursive --new-file v2.3.43/linux/net/socket.c linux/net/socket.c
@@ -69,6 +69,7 @@
 #include <linux/wanrouter.h>
 #include <linux/init.h>
 #include <linux/poll.h>
+#include <linux/cache.h>
 
 #if defined(CONFIG_KMOD) && defined(CONFIG_NET)
 #include <linux/kmod.h>
@@ -98,6 +99,10 @@
 static int sock_ioctl(struct inode *inode, struct file *file,
 		      unsigned int cmd, unsigned long arg);
 static int sock_fasync(int fd, struct file *filp, int on);
+static ssize_t sock_readv(struct file *file, const struct iovec *vector,
+			  unsigned long count, loff_t *ppos);
+static ssize_t sock_writev(struct file *file, const struct iovec *vector,
+			  unsigned long count, loff_t *ppos);
 
 
 /*
@@ -114,7 +119,9 @@
 	mmap:		sock_mmap,
 	open:		sock_no_open,	/* special open code to disallow open via /proc */
 	release:	sock_close,
-	fasync:		sock_fasync
+	fasync:		sock_fasync,
+	readv:		sock_readv,
+	writev:		sock_writev
 };
 
 /*
@@ -512,6 +519,27 @@
 	return sock_sendmsg(sock, &msg, size);
 }
 
+static ssize_t sock_readv(struct file *file, const struct iovec *vector,
+			  unsigned long count, loff_t *ppos)
+{
+	size_t tot_len = 0;
+	int i;
+        for (i = 0 ; i < count ; i++)
+                tot_len += vector[i].iov_len;
+	return sock_readv_writev(VERIFY_WRITE, file->f_dentry->d_inode,
+				 file, vector, count, tot_len);
+}
+	
+static ssize_t sock_writev(struct file *file, const struct iovec *vector,
+			   unsigned long count, loff_t *ppos)
+{
+	size_t tot_len = 0;
+	int i;
+        for (i = 0 ; i < count ; i++)
+                tot_len += vector[i].iov_len;
+	return sock_readv_writev(VERIFY_READ, file->f_dentry->d_inode,
+				 file, vector, count, tot_len);
+}
 
 /*
  *	With an ioctl arg may well be a user mode pointer, but we don't know what to do