/* ----------------------------------------------------------------------- *
*
* indirect.c - Linux automounter indirect mount handling
*
* Copyright 1997 Transmeta Corporation - All Rights Reserved
* Copyright 1999-2000 Jeremy Fitzhardinge <jeremy@goop.org>
* Copyright 2001-2005 Ian Kent <raven@themaw.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139,
* USA; either version 2 of the License, or (at your option) any later
* version.
*
* This program 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 General Public License for more details.
*
* ----------------------------------------------------------------------- */
#include <dirent.h>
#include <libgen.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/mount.h>
#include <sys/vfs.h>
#include <sched.h>
#define INCLUDE_PENDING_FUNCTIONS
#include "automount.h"
/* Attribute to create detached thread */
extern pthread_attr_t th_attr_detached;
static int do_mount_autofs_indirect(struct autofs_point *ap, const char *root)
{
const char *str_indirect = mount_type_str(t_indirect);
struct ioctl_ops *ops = get_ioctl_ops();
time_t timeout = get_exp_timeout(ap, ap->entry->maps);
char *options = NULL;
const char *hosts_map_name = "-hosts";
const char *map_name = hosts_map_name;
const char *type;
struct stat st;
int ret;
int err;
/* If the map is being shared the exp_timeout can't be inherited
* from the map source since it may be different so the autofs
* point exp_runfreq must have already been set.
*/
if (ap->entry->maps->ref <= 1)
ap->exp_runfreq = (timeout + CHECK_RATIO - 1) / CHECK_RATIO;
if (ops->version && !do_force_unlink) {
ap->flags |= MOUNT_FLAG_REMOUNT;
ret = try_remount(ap, NULL, t_indirect);
ap->flags &= ~MOUNT_FLAG_REMOUNT;
if (ret == 1)
return 0;
if (ret == 0)
return -1;
} else {
ret = unlink_mount_tree(ap, ap->path);
if (!ret) {
error(ap->logopt,
"already mounted as other than autofs "
"or failed to unlink entry in tree");
goto out_err;
}
if (do_force_unlink & UNLINK_AND_EXIT)
return -1;
}
options = make_options_string(ap->path,
ap->kpipefd, str_indirect, ap->flags);
if (!options) {
error(ap->logopt, "options string error");
goto out_err;
}
/* In case the directory doesn't exist, try to mkdir it */
if (mkdir_path(root, mp_mode) < 0) {
if (errno != EEXIST && errno != EROFS) {
crit(ap->logopt,
"failed to create autofs directory %s",
root);
goto out_err;
}
/* If we recieve an error, and it's EEXIST or EROFS we know
the directory was not created. */
ap->flags &= ~MOUNT_FLAG_DIR_CREATED;
} else {
/* No errors so the directory was successfully created */
ap->flags |= MOUNT_FLAG_DIR_CREATED;
}
type = ap->entry->maps->type;
if (!type || strcmp(ap->entry->maps->type, "hosts"))
map_name = ap->entry->maps->argv[0];
ret = mount(map_name, root, "autofs", MS_MGC_VAL, options);
if (ret) {
crit(ap->logopt,
"failed to mount autofs path %s at %s", ap->path, root);
goto out_rmdir;
}
free(options);
options = NULL;
ret = stat(root, &st);
if (ret == -1) {
crit(ap->logopt,
"failed to stat mount for autofs path %s", ap->path);
goto out_umount;
}
if (ap->mode && (err = chmod(root, ap->mode)))
warn(ap->logopt, "failed to change mode of %s", ap->path);
if (ops->open(ap->logopt, &ap->ioctlfd, st.st_dev, root)) {
crit(ap->logopt,
"failed to create ioctl fd for autofs path %s", ap->path);
goto out_umount;
}
ap->dev = st.st_dev; /* Device number for mount point checks */
ops->timeout(ap->logopt, ap->ioctlfd, timeout);
if (ap->logopt & LOGOPT_DEBUG)
notify_mount_result(ap, root, timeout, str_indirect);
else
notify_mount_result(ap, ap->path, timeout, str_indirect);
return 0;
out_umount:
umount(root);
out_rmdir:
if (ap->flags & MOUNT_FLAG_DIR_CREATED)
rmdir(root);
out_err:
if (options)
free(options);
close(ap->state_pipe[0]);
close(ap->state_pipe[1]);
close(ap->pipefd);
close(ap->kpipefd);
return -1;
}
int mount_autofs_indirect(struct autofs_point *ap, const char *root)
{
time_t now = monotonic_time(NULL);
int status;
int map;
/* Don't read the map if the unlink and exit option has been
* given. do_mount_autofs_indirect() will return -1 if this
* option has been given so there's no need to do anything
* else.
*/
/* TODO: read map, determine map type is OK */
if (!(do_force_unlink & UNLINK_AND_EXIT)) {
if (lookup_nss_read_map(ap, NULL, now))
lookup_prune_cache(ap, now);
else {
error(ap->logopt, "failed to read map for %s", ap->path);
return -1;
}
}
status = do_mount_autofs_indirect(ap, root);
if (status < 0)
return -1;
map = lookup_ghost(ap, root);
if (map & LKP_FAIL) {
if (map & LKP_DIRECT) {
error(ap->logopt,
"bad map format,found direct, "
"expected indirect exiting");
} else {
error(ap->logopt, "failed to load map, exiting");
}
/* TODO: Process cleanup ?? */
return -1;
}
if (map & LKP_NOTSUP)
ap->flags &= ~MOUNT_FLAG_GHOST;
return 0;
}
void close_mount_fds(struct autofs_point *ap)
{
/*
* Since submounts look after themselves the parent never knows
* it needs to close the ioctlfd for offset mounts so we have
* to do it here. If the cache entry isn't found then there aren't
* any offset mounts.
*/
if (ap->submount)
lookup_source_close_ioctlfd(ap->parent, ap->path);
close(ap->state_pipe[0]);
close(ap->state_pipe[1]);
ap->state_pipe[0] = -1;
ap->state_pipe[1] = -1;
if (ap->pipefd >= 0)
close(ap->pipefd);
if (ap->kpipefd >= 0)
close(ap->kpipefd);
return;
}
int umount_autofs_indirect(struct autofs_point *ap, const char *root)
{
struct ioctl_ops *ops = get_ioctl_ops();
char buf[MAX_ERR_BUF];
char mountpoint[PATH_MAX + 1];
int rv, retries;
unsigned int unused;
if (root)
strcpy(mountpoint, root);
else
strcpy(mountpoint, ap->path);
/* If we are trying to shutdown make sure we can umount */
rv = ops->askumount(ap->logopt, ap->ioctlfd, &unused);
if (rv == -1) {
char *estr = strerror_r(errno, buf, MAX_ERR_BUF);
logerr("ioctl failed: %s", estr);
return 1;
} else if (!unused) {
#if defined(ENABLE_IGNORE_BUSY_MOUNTS) || defined(ENABLE_FORCED_SHUTDOWN)
if (!ap->shutdown)
return 1;
error(ap->logopt, "ask umount returned busy %s", ap->path);
#else
return 1;
#endif
}
ops->close(ap->logopt, ap->ioctlfd);
ap->ioctlfd = -1;
sched_yield();
retries = UMOUNT_RETRIES;
while ((rv = umount(mountpoint)) == -1 && retries--) {
struct timespec tm = {0, 200000000};
if (errno != EBUSY)
break;
nanosleep(&tm, NULL);
}
if (rv == -1) {
switch (errno) {
case ENOENT:
case EINVAL:
error(ap->logopt,
"mount point %s does not exist", mountpoint);
close_mount_fds(ap);
return 0;
break;
case EBUSY:
debug(ap->logopt,
"mount point %s is in use", mountpoint);
if (ap->state == ST_SHUTDOWN_FORCE) {
close_mount_fds(ap);
goto force_umount;
} else {
/*
* If the umount returns EBUSY there may be
* a mount request in progress so we need to
* recover unless we have been explicitly
* asked to shutdown and configure option
* ENABLE_IGNORE_BUSY_MOUNTS is enabled.
*/
#ifdef ENABLE_IGNORE_BUSY_MOUNTS
if (ap->shutdown) {
close_mount_fds(ap);
return 0;
}
#endif
ops->open(ap->logopt,
&ap->ioctlfd, ap->dev, mountpoint);
if (ap->ioctlfd < 0) {
warn(ap->logopt,
"could not recover autofs path %s",
mountpoint);
close_mount_fds(ap);
return 0;
}
}
break;
case ENOTDIR:
error(ap->logopt, "mount point is not a directory");
close_mount_fds(ap);
return 0;
break;
}
return 1;
}
/*
* We have successfully umounted the mount so we now close
* the descriptors. The kernel end of the kernel pipe will
* have been put during the umount super block cleanup.
*/
close_mount_fds(ap);
force_umount:
if (rv != 0) {
warn(ap->logopt,
"forcing umount of indirect mount %s", mountpoint);
rv = umount2(mountpoint, MNT_DETACH);
} else {
info(ap->logopt, "umounted indirect mount %s", mountpoint);
if (ap->submount)
rm_unwanted(ap, mountpoint, 1);
}
return rv;
}
static void mnts_cleanup(void *arg)
{
struct list_head *mnts = (struct list_head *) arg;
mnts_put_expire_list(mnts);
}
void *expire_proc_indirect(void *arg)
{
struct ioctl_ops *ops = get_ioctl_ops();
struct autofs_point *ap;
struct mnt_list *mnt;
LIST_HEAD(mnts);
struct mapent *me;
struct expire_args *ea;
struct expire_args ec;
unsigned int how;
int offsets, submnts, count;
int retries;
int ioctlfd, cur_state;
int status, ret, left;
ea = (struct expire_args *) arg;
status = pthread_mutex_lock(&ea->mutex);
if (status)
fatal(status);
ap = ec.ap = ea->ap;
how = ea->how;
ec.status = -1;
ea->signaled = 1;
status = pthread_cond_signal(&ea->cond);
if (status)
fatal(status);
status = pthread_mutex_unlock(&ea->mutex);
if (status)
fatal(status);
pthread_cleanup_push(expire_cleanup, &ec);
left = 0;
/* Get the list of real mounts and expire them if possible */
mnts_get_expire_list(&mnts, ap);
if (list_empty(&mnts))
goto done;
pthread_cleanup_push(mnts_cleanup, &mnts);
list_for_each_entry(mnt, &mnts, expire) {
char *ind_key;
int ret;
if (mnt->flags & (MNTS_AUTOFS|MNTS_OFFSET)) {
/*
* If we have submounts check if this path lives below
* one of them and pass on the state change.
*/
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cur_state);
if (mnt->flags & MNTS_AUTOFS)
master_notify_submount(ap, mnt->mp, ap->state);
/* An offset without a real mount, check for manual umount */
if (mnt->flags & MNTS_OFFSET &&
!is_mounted(mnt->mp, MNTS_REAL)) {
struct mnt_list *sbmnt;
struct map_source *map;
struct mapent_cache *mc = NULL;
struct stat st;
/* Don't touch submounts */
sbmnt = mnts_find_submount(mnt->mp);
if (sbmnt) {
mnts_put_mount(sbmnt);
pthread_setcancelstate(cur_state, NULL);
continue;
}
master_source_writelock(ap->entry);
map = ap->entry->maps;
while (map) {
mc = map->mc;
cache_writelock(mc);
me = cache_lookup_distinct(mc, mnt->mp);
if (me)
break;
cache_unlock(mc);
map = map->next;
}
if (!mc || !me) {
master_source_unlock(ap->entry);
pthread_setcancelstate(cur_state, NULL);
continue;
}
if (me->ioctlfd == -1) {
cache_unlock(mc);
master_source_unlock(ap->entry);
pthread_setcancelstate(cur_state, NULL);
continue;
}
/* Check for manual umount */
if (fstat(me->ioctlfd, &st) == -1 ||
!count_mounts(ap, me->key, st.st_dev)) {
ops->close(ap->logopt, me->ioctlfd);
me->ioctlfd = -1;
}
cache_unlock(mc);
master_source_unlock(ap->entry);
pthread_setcancelstate(cur_state, NULL);
continue;
}
pthread_setcancelstate(cur_state, NULL);
}
if (ap->state == ST_EXPIRE || ap->state == ST_PRUNE)
pthread_testcancel();
/*
* If the mount corresponds to an offset trigger then
* the key is the path, otherwise it's the last component.
*/
ind_key = strrchr(mnt->mp, '/');
if (ind_key)
ind_key++;
/*
* If me->key starts with a '/' and it's not an autofs
* filesystem it's a nested mount and we need to use
* the ioctlfd of the mount to send the expire.
* Otherwise it's a top level indirect mount (possibly
* with offsets in it) and we use the usual ioctlfd.
*/
pthread_cleanup_push(master_source_lock_cleanup, ap->entry);
master_source_readlock(ap->entry);
me = lookup_source_mapent(ap, mnt->mp, LKP_DISTINCT);
if (!me && ind_key)
me = lookup_source_mapent(ap, ind_key, LKP_NORMAL);
pthread_cleanup_pop(1);
ioctlfd = ap->ioctlfd;
if (me) {
if (*me->key == '/')
ioctlfd = me->ioctlfd;
cache_unlock(me->mc);
}
debug(ap->logopt, "expire %s", mnt->mp);
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cur_state);
ret = ops->expire(ap->logopt, ioctlfd, mnt->mp, how);
if (ret)
left++;
pthread_setcancelstate(cur_state, NULL);
}
/*
* If there are no more real mounts left we could still
* have some offset mounts with no '/' offset or symlinks
* so we need to umount or unlink them here.
*/
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cur_state);
retries = (count_mounts(ap, ap->path, ap->dev) + 1);
while (retries--) {
ret = ops->expire(ap->logopt, ap->ioctlfd, ap->path, how);
if (ret)
left++;
}
pthread_setcancelstate(cur_state, NULL);
pthread_cleanup_pop(1);
count = offsets = submnts = 0;
mnts_get_expire_list(&mnts, ap);
pthread_cleanup_push(mnts_cleanup, &mnts);
/* Are there any real mounts left */
list_for_each_entry(mnt, &mnts, expire) {
if (!(mnt->flags & MNTS_AUTOFS))
count++;
else {
if (mnt->flags & MNTS_INDIRECT)
submnts++;
else
offsets++;
}
}
pthread_cleanup_pop(1);
if (submnts)
debug(ap->logopt,
"%d submounts remaining in %s", submnts, ap->path);
/*
* EXPIRE_MULTI is synchronous, so we can be sure (famous last
* words) the umounts are done by the time we reach here
*/
if (count)
debug(ap->logopt, "%d remaining in %s", count, ap->path);
done:
ec.status = left;
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cur_state);
pthread_cleanup_pop(1);
pthread_setcancelstate(cur_state, NULL);
return NULL;
}
static void expire_send_fail(void *arg)
{
struct ioctl_ops *ops = get_ioctl_ops();
struct pending_args *mt = arg;
struct autofs_point *ap = mt->ap;
ops->send_fail(ap->logopt,
ap->ioctlfd, mt->wait_queue_token, -ENOENT);
}
static void *do_expire_indirect(void *arg)
{
struct ioctl_ops *ops = get_ioctl_ops();
struct pending_args *args, mt;
struct autofs_point *ap;
int status, state;
args = (struct pending_args *) arg;
pending_mutex_lock(args);
memcpy(&mt, args, sizeof(struct pending_args));
ap = mt.ap;
args->signaled = 1;
status = pthread_cond_signal(&args->cond);
if (status)
fatal(status);
pending_mutex_unlock(args);
pthread_cleanup_push(expire_send_fail, &mt);
status = do_expire(mt.ap, mt.name, mt.len);
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &state);
if (status)
ops->send_fail(ap->logopt,
ap->ioctlfd, mt.wait_queue_token, -status);
else
ops->send_ready(ap->logopt,
ap->ioctlfd, mt.wait_queue_token);
pthread_setcancelstate(state, NULL);
pthread_cleanup_pop(0);
return NULL;
}
int handle_packet_expire_indirect(struct autofs_point *ap, autofs_packet_expire_indirect_t *pkt)
{
struct ioctl_ops *ops = get_ioctl_ops();
struct pending_args *mt;
char buf[MAX_ERR_BUF];
pthread_t thid;
struct timespec wait;
int status, state;
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &state);
debug(ap->logopt, "token %ld, name %s",
(unsigned long) pkt->wait_queue_token, pkt->name);
mt = malloc(sizeof(struct pending_args));
if (!mt) {
char *estr = strerror_r(errno, buf, MAX_ERR_BUF);
logerr("malloc: %s", estr);
ops->send_fail(ap->logopt,
ap->ioctlfd, pkt->wait_queue_token, -ENOMEM);
pthread_setcancelstate(state, NULL);
return 1;
}
pending_cond_init(mt);
status = pthread_mutex_init(&mt->mutex, NULL);
if (status)
fatal(status);
mt->ap = ap;
strncpy(mt->name, pkt->name, pkt->len);
mt->name[pkt->len] = '\0';
mt->len = pkt->len;
mt->wait_queue_token = pkt->wait_queue_token;
pending_mutex_lock(mt);
status = pthread_create(&thid, &th_attr_detached, do_expire_indirect, mt);
if (status) {
error(ap->logopt, "expire thread create failed");
ops->send_fail(ap->logopt,
ap->ioctlfd, pkt->wait_queue_token, -status);
pending_mutex_unlock(mt);
pending_cond_destroy(mt);
pending_mutex_destroy(mt);
free_pending_args(mt);
pthread_setcancelstate(state, NULL);
return 1;
}
pthread_cleanup_push(free_pending_args, mt);
pthread_cleanup_push(pending_mutex_destroy, mt);
pthread_cleanup_push(pending_cond_destroy, mt);
pthread_cleanup_push(pending_mutex_unlock, mt);
pthread_setcancelstate(state, NULL);
mt->signaled = 0;
while (!mt->signaled) {
clock_gettime(CLOCK_MONOTONIC, &wait);
wait.tv_sec += 2;
status = pthread_cond_timedwait(&mt->cond, &mt->mutex, &wait);
if (status && status != ETIMEDOUT)
fatal(status);
}
pthread_cleanup_pop(1);
pthread_cleanup_pop(1);
pthread_cleanup_pop(1);
pthread_cleanup_pop(1);
return 0;
}
static void mount_send_fail(void *arg)
{
struct ioctl_ops *ops = get_ioctl_ops();
struct pending_args *mt = arg;
struct autofs_point *ap = mt->ap;
ops->send_fail(ap->logopt,
ap->ioctlfd, mt->wait_queue_token, -ENOENT);
}
static void *do_mount_indirect(void *arg)
{
struct ioctl_ops *ops = get_ioctl_ops();
struct pending_args *args, mt;
struct autofs_point *ap;
char buf[PATH_MAX + 1];
struct stat st;
int len, status, state;
args = (struct pending_args *) arg;
pending_mutex_lock(args);
memcpy(&mt, args, sizeof(struct pending_args));
ap = mt.ap;
set_thread_mount_request_log_id(&mt);
args->signaled = 1;
status = pthread_cond_signal(&args->cond);
if (status)
fatal(status);
pending_mutex_unlock(args);
pthread_cleanup_push(mount_send_fail, &mt);
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &state);
if (defaults_get_mount_verbose()) {
pid_t ppid = log_pidinfo(ap, mt.pid, "requestor");
if (ppid > 0)
log_pidinfo(ap, ppid, "parent");
}
len = ncat_path(buf, sizeof(buf), ap->path, mt.name, mt.len);
if (!len) {
crit(ap->logopt, "path to be mounted is to long");
ops->send_fail(ap->logopt,
ap->ioctlfd, mt.wait_queue_token,
-ENAMETOOLONG);
pthread_setcancelstate(state, NULL);
pthread_exit(NULL);
}
status = lstat(buf, &st);
if (status != -1 && !(S_ISDIR(st.st_mode) && st.st_dev == mt.dev)) {
error(ap->logopt,
"indirect trigger not valid or already mounted %s", buf);
ops->send_ready(ap->logopt, ap->ioctlfd, mt.wait_queue_token);
pthread_setcancelstate(state, NULL);
pthread_exit(NULL);
}
pthread_setcancelstate(state, NULL);
info(ap->logopt, "attempting to mount entry %s", buf);
set_tsd_user_vars(ap->logopt, mt.uid, mt.gid);
status = lookup_nss_mount(ap, NULL, mt.name, mt.len);
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &state);
if (status) {
ops->send_ready(ap->logopt,
ap->ioctlfd, mt.wait_queue_token);
info(ap->logopt, "mounted %s", buf);
mnts_set_mounted_mount(ap, mt.name);
conditional_alarm_add(ap, ap->exp_runfreq);
} else {
/* TODO: get mount return status from lookup_nss_mount */
ops->send_fail(ap->logopt,
ap->ioctlfd, mt.wait_queue_token, -ENOENT);
info(ap->logopt, "failed to mount %s", buf);
}
pthread_setcancelstate(state, NULL);
pthread_cleanup_pop(0);
return NULL;
}
int handle_packet_missing_indirect(struct autofs_point *ap, autofs_packet_missing_indirect_t *pkt)
{
struct ioctl_ops *ops = get_ioctl_ops();
pthread_t thid;
char buf[MAX_ERR_BUF];
struct pending_args *mt;
struct timespec wait;
struct mapent *me;
int status, state;
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &state);
master_mutex_lock();
debug(ap->logopt, "token %ld, name %s, request pid %u",
(unsigned long) pkt->wait_queue_token, pkt->name, pkt->pid);
/* Ignore packet if we're trying to shut down */
if (ap->shutdown || ap->state == ST_SHUTDOWN_FORCE) {
ops->send_fail(ap->logopt,
ap->ioctlfd, pkt->wait_queue_token, -ENOENT);
master_mutex_unlock();
pthread_setcancelstate(state, NULL);
return 0;
}
/* Check if we recorded a mount fail for this key anywhere */
me = lookup_source_mapent(ap, pkt->name, LKP_DISTINCT);
if (me) {
if (me->status >= monotonic_time(NULL)) {
ops->send_fail(ap->logopt, ap->ioctlfd,
pkt->wait_queue_token, -ENOENT);
cache_unlock(me->mc);
master_mutex_unlock();
pthread_setcancelstate(state, NULL);
return 0;
}
cache_unlock(me->mc);
}
mt = malloc(sizeof(struct pending_args));
if (!mt) {
char *estr = strerror_r(errno, buf, MAX_ERR_BUF);
logerr("malloc: %s", estr);
ops->send_fail(ap->logopt,
ap->ioctlfd, pkt->wait_queue_token, -ENOMEM);
master_mutex_unlock();
pthread_setcancelstate(state, NULL);
return 1;
}
memset(mt, 0, sizeof(struct pending_args));
pending_cond_init(mt);
status = pthread_mutex_init(&mt->mutex, NULL);
if (status)
fatal(status);
pending_mutex_lock(mt);
mt->ap = ap;
strncpy(mt->name, pkt->name, pkt->len);
mt->name[pkt->len] = '\0';
mt->len = pkt->len;
mt->dev = pkt->dev;
mt->uid = pkt->uid;
mt->gid = pkt->gid;
mt->pid = pkt->pid;
mt->wait_queue_token = pkt->wait_queue_token;
status = pthread_create(&thid, &th_attr_detached, do_mount_indirect, mt);
if (status) {
error(ap->logopt, "expire thread create failed");
ops->send_fail(ap->logopt,
ap->ioctlfd, pkt->wait_queue_token, -status);
master_mutex_unlock();
pending_mutex_unlock(mt);
pending_cond_destroy(mt);
pending_mutex_destroy(mt);
free_pending_args(mt);
pthread_setcancelstate(state, NULL);
return 1;
}
master_mutex_unlock();
pthread_cleanup_push(free_pending_args, mt);
pthread_cleanup_push(pending_mutex_destroy, mt);
pthread_cleanup_push(pending_cond_destroy, mt);
pthread_cleanup_push(pending_mutex_unlock, mt);
pthread_setcancelstate(state, NULL);
mt->signaled = 0;
while (!mt->signaled) {
clock_gettime(CLOCK_MONOTONIC, &wait);
wait.tv_sec += 2;
status = pthread_cond_timedwait(&mt->cond, &mt->mutex, &wait);
if (status && status != ETIMEDOUT)
fatal(status);
}
pthread_cleanup_pop(1);
pthread_cleanup_pop(1);
pthread_cleanup_pop(1);
pthread_cleanup_pop(1);
return 0;
}