diff options
| -rw-r--r-- | include/sys/socket.h | 2 | ||||
| -rw-r--r-- | libc/inet/Makefile.in | 2 | ||||
| -rw-r--r-- | libc/inet/sockatmark.c | 38 |
3 files changed, 40 insertions, 2 deletions
diff --git a/include/sys/socket.h b/include/sys/socket.h index 83e1fcaa2..c8df3057f 100644 --- a/include/sys/socket.h +++ b/include/sys/socket.h @@ -281,7 +281,7 @@ libc_hidden_proto(accept4) extern int shutdown (int __fd, int __how) __THROW; -#if 0 /*def __USE_XOPEN2K*/ +#ifdef __USE_XOPEN2K /* Determine wheter socket is at a out-of-band mark. */ extern int sockatmark (int __fd) __THROW; #endif diff --git a/libc/inet/Makefile.in b/libc/inet/Makefile.in index bed76c30c..91c417cc2 100644 --- a/libc/inet/Makefile.in +++ b/libc/inet/Makefile.in @@ -50,7 +50,7 @@ socketcalls_CSRC-y += \ sendto.c setsockopt.c shutdown.c socket.c socketpair.c \ recvmmsg.c sendmmsg.c socketcalls_CSRC-$(UCLIBC_LINUX_SPECIFIC) += accept4.c -CSRC-$(UCLIBC_HAS_SOCKET) += $(socketcalls_CSRC-y) opensock.c +CSRC-$(UCLIBC_HAS_SOCKET) += $(socketcalls_CSRC-y) opensock.c sockatmark.c CSRC-$(findstring y,$(UCLIBC_HAS_SOCKET)$(V4_OR_V6)) += ethers.c ether_addr.c diff --git a/libc/inet/sockatmark.c b/libc/inet/sockatmark.c new file mode 100644 index 000000000..6c6e29422 --- /dev/null +++ b/libc/inet/sockatmark.c @@ -0,0 +1,38 @@ +/* + * Copyright © 2005-2020 Rich Felker, et al. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * Imported from musl C library + */ + +#include <sys/ioctl.h> +#include <sys/socket.h> + +/* Determine whether socket is at a out-of-band mark. */ +int sockatmark(int fd) +{ + int ret; + + if (ioctl(fd, SIOCATMARK, &ret) < 0) + return -1; + + return ret; +} |