aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/unix/sysv/linux/oldrecvmsg.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/unix/sysv/linux/oldrecvmsg.c')
-rw-r--r--sysdeps/unix/sysv/linux/oldrecvmsg.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/oldrecvmsg.c b/sysdeps/unix/sysv/linux/oldrecvmsg.c
new file mode 100644
index 0000000000..01c596e09a
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/oldrecvmsg.c
@@ -0,0 +1,40 @@
+/* Compatibility version of recvmsg.
+ 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_recvmsg (int fd, struct msghdr *msg, int flags)
+{
+# ifdef __ASSUME_RECVMSG_SYSCALL
+ return SYSCALL_CANCEL (recvmsg, fd, msg, flags);
+# else
+ return SOCKETCALL_CANCEL (recvmsg, fd, msg, flags);
+# endif
+}
+compat_symbol (MODULE_NAME, __old_recvmsg, recvmsg, GLIBC_2_0);
+#endif