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/>.
33 #include "mount-setup.h"
35 /* Goes through /etc/fstab and remounts all API file systems, applying
36 * options that are in /etc/fstab that systemd might not have
39 int main(int argc, char *argv[]) {
40 int ret = EXIT_FAILURE;
46 log_error("This program takes no argument.");
50 log_set_target(LOG_TARGET_SYSLOG_OR_KMSG);
51 log_parse_environment();
54 if (!(f = setmntent("/etc/fstab", "r"))) {
55 log_error("Failed to open /etc/fstab: %m");
59 if (!(pids = hashmap_new(trivial_hash_func, trivial_compare_func))) {
60 log_error("Failed to allocate set");
66 while ((me = getmntent(f))) {
71 if (!mount_point_is_api(me->mnt_dir))
74 log_debug("Remounting %s", me->mnt_dir);
76 if ((pid = fork()) < 0) {
77 log_error("Failed to fork: %m");
83 const char *arguments[5];
86 arguments[0] = "/bin/mount";
87 arguments[1] = me->mnt_dir;
89 arguments[3] = "remount";
92 execv("/bin/mount", (char **) arguments);
94 log_error("Failed to execute /bin/mount: %m");
100 s = strdup(me->mnt_dir);
102 if ((k = hashmap_put(pids, UINT_TO_PTR(pid), s)) < 0) {
103 log_error("Failed to add PID to set: %s", strerror(-k));
109 while (!hashmap_isempty(pids)) {
114 if (waitid(P_ALL, 0, &si, WEXITED) < 0) {
119 log_error("waitid() failed: %m");
124 if ((s = hashmap_remove(pids, UINT_TO_PTR(si.si_pid)))) {
125 if (!is_clean_exit(si.si_code, si.si_status)) {
126 if (si.si_code == CLD_EXITED)
127 log_error("/bin/mount for %s exited with exit status %i.", s, si.si_status);
129 log_error("/bin/mount for %s terminated by signal %s.", s, signal_to_string(si.si_status));
141 hashmap_free_free(pids);