#include <errno.h>
#include <fcntl.h>
-#include <sys/epoll.h>
#include <string.h>
-#include <errno.h>
#include <unistd.h>
#include "util.h"
#include "mkdir.h"
#include "path-util.h"
#include "logind-inhibit.h"
+#include "fileio.h"
Inhibitor* inhibitor_new(Manager *m, const char* id) {
Inhibitor *i;
void inhibitor_free(Inhibitor *i) {
assert(i);
- free(i->who);
- free(i->why);
-
hashmap_remove(i->manager->inhibitors, i->id);
+
inhibitor_remove_fifo(i);
+ free(i->who);
+ free(i->why);
+
if (i->state_file) {
unlink(i->state_file);
free(i->state_file);
}
int inhibitor_save(Inhibitor *i) {
- char *temp_path, *cc;
+ _cleanup_free_ char *temp_path = NULL;
+ _cleanup_fclose_ FILE *f = NULL;
int r;
- FILE *f;
assert(i);
(unsigned long) i->pid);
if (i->who) {
+ _cleanup_free_ char *cc = NULL;
+
cc = cescape(i->who);
if (!cc)
r = -ENOMEM;
- else {
+ else
fprintf(f, "WHO=%s\n", cc);
- free(cc);
- }
}
if (i->why) {
+ _cleanup_free_ char *cc = NULL;
+
cc = cescape(i->why);
if (!cc)
r = -ENOMEM;
- else {
+ else
fprintf(f, "WHY=%s\n", cc);
- free(cc);
- }
}
if (i->fifo_path)
unlink(temp_path);
}
- fclose(f);
- free(temp_path);
-
finish:
if (r < 0)
log_error("Failed to save inhibit data for %s: %s", i->id, strerror(-r));
i->started = true;
- manager_send_changed(i->manager, i->mode == INHIBIT_BLOCK ? "BlockInhibited\0" : "DelayInhibited\0");
+ manager_send_changed(i->manager, i->mode == INHIBIT_BLOCK ? "BlockInhibited" : "DelayInhibited", NULL);
return 0;
}
i->started = false;
- manager_send_changed(i->manager, i->mode == INHIBIT_BLOCK ? "BlockInhibited\0" : "DelayInhibited\0");
+ manager_send_changed(i->manager, i->mode == INHIBIT_BLOCK ? "BlockInhibited" : "DelayInhibited", NULL);
return 0;
}
int inhibitor_load(Inhibitor *i) {
- InhibitWhat w;
- InhibitMode mm;
- int r;
- char *cc,
+
+ _cleanup_free_ char
*what = NULL,
*uid = NULL,
*pid = NULL,
*why = NULL,
*mode = NULL;
+ InhibitWhat w;
+ InhibitMode mm;
+ char *cc;
+ int r;
+
r = parse_env_file(i->state_file, NEWLINE,
"WHAT", &what,
"UID", &uid,
"FIFO", &i->fifo_path,
NULL);
if (r < 0)
- goto finish;
+ return r;
w = what ? inhibit_what_from_string(what) : 0;
if (w >= 0)
if (uid) {
r = parse_uid(uid, &i->uid);
if (r < 0)
- goto finish;
+ return r;
}
if (pid) {
r = parse_pid(pid, &i->pid);
if (r < 0)
- goto finish;
+ return r;
}
if (who) {
cc = cunescape(who);
- if (!cc) {
- r = -ENOMEM;
- goto finish;
- }
+ if (!cc)
+ return -ENOMEM;
free(i->who);
i->who = cc;
if (why) {
cc = cunescape(why);
- if (!cc) {
- r = -ENOMEM;
- goto finish;
- }
+ if (!cc)
+ return -ENOMEM;
free(i->why);
i->why = cc;
close_nointr_nofail(fd);
}
-finish:
- free(what);
- free(uid);
- free(pid);
- free(who);
- free(why);
+ return 0;
+}
- return r;
+static int inhibitor_dispatch_fifo(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
+ Inhibitor *i = userdata;
+
+ assert(s);
+ assert(fd == i->fifo_fd);
+ assert(i);
+
+ inhibitor_stop(i);
+ inhibitor_free(i);
+
+ return 0;
}
int inhibitor_create_fifo(Inhibitor *i) {
if (r < 0)
return r;
- if (asprintf(&i->fifo_path, "/run/systemd/inhibit/%s.ref", i->id) < 0)
+ i->fifo_path = strjoin("/run/systemd/inhibit/", i->id, ".ref", NULL);
+ if (!i->fifo_path)
return -ENOMEM;
if (mkfifo(i->fifo_path, 0600) < 0 && errno != EEXIST)
/* Open reading side */
if (i->fifo_fd < 0) {
- struct epoll_event ev;
-
i->fifo_fd = open(i->fifo_path, O_RDONLY|O_CLOEXEC|O_NDELAY);
if (i->fifo_fd < 0)
return -errno;
+ }
- r = hashmap_put(i->manager->inhibitor_fds, INT_TO_PTR(i->fifo_fd + 1), i);
+ if (!i->event_source) {
+ r = sd_event_add_io(i->manager->event, i->fifo_fd, 0, inhibitor_dispatch_fifo, i, &i->event_source);
if (r < 0)
return r;
- zero(ev);
- ev.events = 0;
- ev.data.u32 = FD_OTHER_BASE + i->fifo_fd;
-
- if (epoll_ctl(i->manager->epoll_fd, EPOLL_CTL_ADD, i->fifo_fd, &ev) < 0)
- return -errno;
+ r = sd_event_source_set_priority(i->event_source, SD_EVENT_PRIORITY_IDLE);
+ if (r < 0)
+ return r;
}
/* Open writing side */
void inhibitor_remove_fifo(Inhibitor *i) {
assert(i);
+ if (i->event_source)
+ i->event_source = sd_event_source_unref(i->event_source);
+
if (i->fifo_fd >= 0) {
- assert_se(hashmap_remove(i->manager->inhibitor_fds, INT_TO_PTR(i->fifo_fd + 1)) == i);
- assert_se(epoll_ctl(i->manager->epoll_fd, EPOLL_CTL_DEL, i->fifo_fd, NULL) == 0);
close_nointr_nofail(i->fifo_fd);
i->fifo_fd = -1;
}
assert(m);
- HASHMAP_FOREACH(i, m->inhibitor_fds, j)
+ HASHMAP_FOREACH(i, m->inhibitors, j)
if (i->mode == mm)
what |= i->what;
return what;
}
-bool manager_is_inhibited(Manager *m, InhibitWhat w, InhibitMode mm, dual_timestamp *since) {
+static int pid_is_active(Manager *m, pid_t pid) {
+ Session *s;
+ int r;
+
+ r = manager_get_session_by_pid(m, pid, &s);
+ if (r < 0)
+ return r;
+
+ /* If there's no session assigned to it, then it's globally
+ * active on all ttys */
+ if (r == 0)
+ return 1;
+
+ return session_is_active(s);
+}
+
+bool manager_is_inhibited(
+ Manager *m,
+ InhibitWhat w,
+ InhibitMode mm,
+ dual_timestamp *since,
+ bool ignore_inactive,
+ bool ignore_uid,
+ uid_t uid,
+ Inhibitor **offending) {
+
Inhibitor *i;
Iterator j;
struct dual_timestamp ts = { 0, 0 };
assert(m);
assert(w > 0 && w < _INHIBIT_WHAT_MAX);
- HASHMAP_FOREACH(i, m->inhibitor_fds, j) {
+ HASHMAP_FOREACH(i, m->inhibitors, j) {
if (!(i->what & w))
continue;
if (i->mode != mm)
continue;
+ if (ignore_inactive && pid_is_active(m, i->pid) <= 0)
+ continue;
+
+ if (ignore_uid && i->uid == uid)
+ continue;
+
if (!inhibited ||
i->since.monotonic < ts.monotonic)
ts = i->since;
inhibited = true;
+
+ if (offending)
+ *offending = i;
}
if (since)
}
const char *inhibit_what_to_string(InhibitWhat w) {
-
- static const char* const table[_INHIBIT_WHAT_MAX] = {
- [0] = "",
- [INHIBIT_SHUTDOWN] = "shutdown",
- [INHIBIT_SLEEP] = "sleep",
- [INHIBIT_IDLE] = "idle",
- [INHIBIT_SHUTDOWN|INHIBIT_SLEEP] = "shutdown:sleep",
- [INHIBIT_SHUTDOWN|INHIBIT_IDLE] = "shutdown:idle",
- [INHIBIT_SHUTDOWN|INHIBIT_SLEEP|INHIBIT_IDLE] = "shutdown:sleep:idle",
- [INHIBIT_SLEEP|INHIBIT_IDLE] = "sleep:idle"
- };
+ static __thread char buffer[97];
+ char *p;
if (w < 0 || w >= _INHIBIT_WHAT_MAX)
return NULL;
- return table[w];
+ p = buffer;
+ if (w & INHIBIT_SHUTDOWN)
+ p = stpcpy(p, "shutdown:");
+ if (w & INHIBIT_SLEEP)
+ p = stpcpy(p, "sleep:");
+ if (w & INHIBIT_IDLE)
+ p = stpcpy(p, "idle:");
+ if (w & INHIBIT_HANDLE_POWER_KEY)
+ p = stpcpy(p, "handle-power-key:");
+ if (w & INHIBIT_HANDLE_SUSPEND_KEY)
+ p = stpcpy(p, "handle-suspend-key:");
+ if (w & INHIBIT_HANDLE_HIBERNATE_KEY)
+ p = stpcpy(p, "handle-hibernate-key:");
+ if (w & INHIBIT_HANDLE_LID_SWITCH)
+ p = stpcpy(p, "handle-lid-switch:");
+
+ if (p > buffer)
+ *(p-1) = 0;
+ else
+ *p = 0;
+
+ return buffer;
}
InhibitWhat inhibit_what_from_string(const char *s) {
size_t l;
FOREACH_WORD_SEPARATOR(w, l, s, ":", state) {
- if (l == 8 && strncmp(w, "shutdown", l) == 0)
+ if (l == 8 && strneq(w, "shutdown", l))
what |= INHIBIT_SHUTDOWN;
- else if (l == 5 && strncmp(w, "sleep", l) == 0)
+ else if (l == 5 && strneq(w, "sleep", l))
what |= INHIBIT_SLEEP;
- else if (l == 4 && strncmp(w, "idle", l) == 0)
+ else if (l == 4 && strneq(w, "idle", l))
what |= INHIBIT_IDLE;
+ else if (l == 16 && strneq(w, "handle-power-key", l))
+ what |= INHIBIT_HANDLE_POWER_KEY;
+ else if (l == 18 && strneq(w, "handle-suspend-key", l))
+ what |= INHIBIT_HANDLE_SUSPEND_KEY;
+ else if (l == 20 && strneq(w, "handle-hibernate-key", l))
+ what |= INHIBIT_HANDLE_HIBERNATE_KEY;
+ else if (l == 17 && strneq(w, "handle-lid-switch", l))
+ what |= INHIBIT_HANDLE_LID_SWITCH;
else
return _INHIBIT_WHAT_INVALID;
}
return what;
-
}
static const char* const inhibit_mode_table[_INHIBIT_MODE_MAX] = {
~ianmdlvl / elogind.git / blobdiff