1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2010 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
30 #include "kmod-setup.h"
32 static const char * const kmod_table[] = {
33 "autofs4", "/sys/class/misc/autofs",
34 "ipv6", "/sys/module/ipv6",
35 "unix", "/proc/net/unix"
38 int kmod_setup(void) {
40 const char * cmdline[3 + ELEMENTSOF(kmod_table) + 1];
46 for (i = 0; i < ELEMENTSOF(kmod_table); i += 2) {
48 if (access(kmod_table[i+1], F_OK) >= 0)
51 log_debug("Your kernel apparently lacks built-in %s support. Might be a good idea to compile it in. "
52 "We'll now try to work around this by calling '/sbin/modprobe %s'...",
53 kmod_table[i], kmod_table[i]);
55 cmdline[3 + n++] = kmod_table[i];
61 cmdline[0] = "/sbin/modprobe";
64 cmdline[3 + n] = NULL;
69 command.path = (char*) cmdline[0];
70 command.argv = (char**) cmdline;
72 exec_context_init(&context);
73 r = exec_spawn(&command, NULL, &context, NULL, 0, NULL, false, false, false, false, NULL, &pid);
74 exec_context_done(&context);
77 log_error("Failed to spawn %s: %s", cmdline[0], strerror(-r));
81 return wait_for_terminate_and_warn(cmdline[0], pid);