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-rw-r--r--sysdeps/unix/sysv/linux/oldsendmsg.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/oldsendmsg.c b/sysdeps/unix/sysv/linux/oldsendmsg.c
new file mode 100644
index 0000000000..a96790aa23
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/oldsendmsg.c
@@ -0,0 +1,40 @@
+/* Compatibility implementation of sendmsg.
+   Copyright (C) 2016 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <sys/socket.h>
+#include <sysdep-cancel.h>
+#include <socketcall.h>
+#include <shlib-compat.h>
+
+/* Both libc.so and libpthread.so provides sendmsg, so we need to
+   provide the compat symbol for both libraries.  */
+#if SHLIB_COMPAT (MODULE_NAME, GLIBC_2_0, GLIBC_2_24)
+
+/* We can use the same struct layout for old symbol version since
+   size is the same.  */
+ssize_t
+__old_sendmsg (int fd, const struct msghdr *msg, int flags)
+{
+# ifdef __ASSUME_SENDMSG_SYSCALL
+  return SYSCALL_CANCEL (sendmsg, fd, msg, flags);
+# else
+  return SOCKETCALL_CANCEL (sendmsg, fd, msg, flags);
+# endif
+}
+compat_symbol (MODULE_NAME, __old_sendmsg, sendmsg, GLIBC_2_0);
+#endif