diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/oldsendmsg.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/oldsendmsg.c | 40 |
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 |