diff options
Diffstat (limited to 'sysdeps/unix/sysv')
| -rw-r--r-- | sysdeps/unix/sysv/linux/opensock.c | 114 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/s390/opensock.c | 2 |
2 files changed, 0 insertions, 116 deletions
diff --git a/sysdeps/unix/sysv/linux/opensock.c b/sysdeps/unix/sysv/linux/opensock.c deleted file mode 100644 index e87d6e58b0..0000000000 --- a/sysdeps/unix/sysv/linux/opensock.c +++ /dev/null @@ -1,114 +0,0 @@ -/* Copyright (C) 1999-2021 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 - <https://www.gnu.org/licenses/>. */ - -#include <assert.h> -#include <errno.h> -#include <stdio.h> -#include <string.h> -#include <unistd.h> -#include <sys/socket.h> - -/* Return a socket of any type. The socket can be used in subsequent - ioctl calls to talk to the kernel. */ -int -__opensock (void) -{ - static int last_family; /* Available socket family we will use. */ - static int last_type; - static const struct - { - int family; - const char procname[15]; - } afs[] = - { - { AF_UNIX, "net/unix" }, - { AF_INET, "" }, - { AF_INET6, "net/if_inet6" }, - { AF_AX25, "net/ax25" }, - { AF_NETROM, "net/nr" }, - { AF_ROSE, "net/rose" }, - { AF_IPX, "net/ipx" }, - { AF_APPLETALK, "net/appletalk" }, - { AF_ECONET, "sys/net/econet" }, - { AF_ASH, "sys/net/ash" }, - { AF_X25, "net/x25" }, -#ifdef NEED_AF_IUCV - { AF_IUCV, "net/iucv" } -#endif - }; -#define nafs (sizeof (afs) / sizeof (afs[0])) - char fname[sizeof "/proc/" + 14]; - int result; - int has_proc; - size_t cnt; - - /* We already know which family to use from the last call. Use it - again. */ - if (last_family != 0) - { - assert (last_type != 0); - - result = __socket (last_family, last_type | SOCK_CLOEXEC, 0); - if (result != -1 || errno != EAFNOSUPPORT) - /* Maybe the socket type isn't supported anymore (module is - unloaded). In this case again try to find the type. */ - return result; - - /* Reset the values. They seem not valid anymore. */ - last_family = 0; - last_type = 0; - } - - /* Check whether the /proc filesystem is available. */ - has_proc = __access ("/proc/net", R_OK) != -1; - strcpy (fname, "/proc/"); - - /* Iterate over the interface families and find one which is - available. */ - for (cnt = 0; cnt < nafs; ++cnt) - { - int type = SOCK_DGRAM; - - if (has_proc && afs[cnt].procname[0] != '\0') - { - strcpy (fname + 6, afs[cnt].procname); - if (__access (fname, R_OK) == -1) - /* The /proc entry is not available. I.e., we cannot - create a socket of this type (without loading the - module). Don't look for it since this might trigger - loading the module. */ - continue; - } - - if (afs[cnt].family == AF_NETROM || afs[cnt].family == AF_X25) - type = SOCK_SEQPACKET; - - result = __socket (afs[cnt].family, type | SOCK_CLOEXEC, 0); - if (result != -1) - { - /* Found an available family. */ - last_type = type; - last_family = afs[cnt].family; - return result; - } - } - - /* None of the protocol families is available. It is unclear what kind - of error is returned. ENOENT seems like a reasonable choice. */ - __set_errno (ENOENT); - return -1; -} diff --git a/sysdeps/unix/sysv/linux/s390/opensock.c b/sysdeps/unix/sysv/linux/s390/opensock.c deleted file mode 100644 index f099d651ff..0000000000 --- a/sysdeps/unix/sysv/linux/s390/opensock.c +++ /dev/null @@ -1,2 +0,0 @@ -#define NEED_AF_IUCV 1 -#include "../opensock.c" |