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-rw-r--r--src/core/main.c8
-rw-r--r--src/libsystemd/sd-bus/bus-kernel.c9
-rw-r--r--src/login/logind-user.c90
-rw-r--r--src/shared/generator.c10
4 files changed, 64 insertions, 53 deletions
diff --git a/src/core/main.c b/src/core/main.c
index 674e47e788..29ccff7b63 100644
--- a/src/core/main.c
+++ b/src/core/main.c
@@ -1606,14 +1606,10 @@ int main(int argc, char *argv[]) {
}
}
- if (arg_running_as == MANAGER_USER) {
+ if (arg_running_as == MANAGER_USER)
/* Become reaper of our children */
- if (prctl(PR_SET_CHILD_SUBREAPER, 1) < 0) {
+ if (prctl(PR_SET_CHILD_SUBREAPER, 1) < 0)
log_warning_errno(errno, "Failed to make us a subreaper: %m");
- if (errno == EINVAL)
- log_info("Perhaps the kernel version is too old (< 3.4?)");
- }
- }
if (arg_running_as == MANAGER_SYSTEM) {
bump_rlimit_nofile(&saved_rlimit_nofile);
diff --git a/src/libsystemd/sd-bus/bus-kernel.c b/src/libsystemd/sd-bus/bus-kernel.c
index 417e4d5903..572a9c6e64 100644
--- a/src/libsystemd/sd-bus/bus-kernel.c
+++ b/src/libsystemd/sd-bus/bus-kernel.c
@@ -1574,7 +1574,6 @@ int bus_kernel_create_bus(const char *name, bool world, char **s) {
make = alloca0_align(offsetof(struct kdbus_cmd, items) +
ALIGN8(offsetof(struct kdbus_item, bloom_parameter) + sizeof(struct kdbus_bloom_parameter)) +
ALIGN8(offsetof(struct kdbus_item, data64) + sizeof(uint64_t)) +
- ALIGN8(offsetof(struct kdbus_item, data64) + sizeof(uint64_t)) +
ALIGN8(offsetof(struct kdbus_item, str) + DECIMAL_STR_MAX(uid_t) + 1 + l + 1),
8);
@@ -1593,14 +1592,6 @@ int bus_kernel_create_bus(const char *name, bool world, char **s) {
make->size += ALIGN8(n->size);
- /* The buses we create make no restrictions on what metadata
- * peers can read from incoming messages. */
- n = KDBUS_ITEM_NEXT(n);
- n->type = KDBUS_ITEM_ATTACH_FLAGS_RECV;
- n->size = offsetof(struct kdbus_item, data64) + sizeof(uint64_t);
- n->data64[0] = _KDBUS_ATTACH_ANY;
- make->size += ALIGN8(n->size);
-
/* Provide all metadata via bus-owner queries */
n = KDBUS_ITEM_NEXT(n);
n->type = KDBUS_ITEM_ATTACH_FLAGS_SEND;
diff --git a/src/login/logind-user.c b/src/login/logind-user.c
index dc3db9abda..373c9938e7 100644
--- a/src/login/logind-user.c
+++ b/src/login/logind-user.c
@@ -738,54 +738,72 @@ int user_kill(User *u, int signo) {
return manager_kill_unit(u->manager, u->slice, KILL_ALL, signo, NULL);
}
+static bool
+elect_display_filter(Session *s) {
+ /* Return true if the session is a candidate for the user’s ‘primary
+ * session’ or ‘display’. */
+ assert(s);
+
+ return (s->class == SESSION_USER && !s->stopping);
+}
+
+static int
+elect_display_compare(Session *s1, Session *s2) {
+ /* Indexed by SessionType. Lower numbers mean more preferred. */
+ const int type_ranks[_SESSION_TYPE_MAX] = {
+ [SESSION_UNSPECIFIED] = 0,
+ [SESSION_TTY] = -2,
+ [SESSION_X11] = -3,
+ [SESSION_WAYLAND] = -3,
+ [SESSION_MIR] = -3,
+ [SESSION_WEB] = -1,
+ };
+
+ /* Calculate the partial order relationship between s1 and s2,
+ * returning < 0 if s1 is preferred as the user’s ‘primary session’,
+ * 0 if s1 and s2 are equally preferred or incomparable, or > 0 if s2
+ * is preferred.
+ *
+ * s1 or s2 may be NULL. */
+ if ((s1 == NULL) != (s2 == NULL))
+ return (s1 == NULL) - (s2 == NULL);
+
+ if (s1->stopping != s2->stopping)
+ return s1->stopping - s2->stopping;
+
+ if ((s1->class != SESSION_USER) != (s2->class != SESSION_USER))
+ return (s1->class != SESSION_USER) - (s2->class != SESSION_USER);
+
+ if ((s1->type == _SESSION_TYPE_INVALID) != (s2->type == _SESSION_TYPE_INVALID))
+ return (s1->type == _SESSION_TYPE_INVALID) - (s2->type == _SESSION_TYPE_INVALID);
+
+ if (s1->type != s2->type)
+ return type_ranks[s1->type] - type_ranks[s2->type];
+
+ return 0;
+}
+
void user_elect_display(User *u) {
- Session *graphical = NULL, *text = NULL, *other = NULL, *s;
+ Session *s;
assert(u);
/* This elects a primary session for each user, which we call
* the "display". We try to keep the assignment stable, but we
* "upgrade" to better choices. */
+ log_debug("Electing new display for user %s", u->name);
LIST_FOREACH(sessions_by_user, s, u->sessions) {
-
- if (s->class != SESSION_USER)
- continue;
-
- if (s->stopping)
+ if (!elect_display_filter(s)) {
+ log_debug("Ignoring session %s", s->id);
continue;
+ }
- if (SESSION_TYPE_IS_GRAPHICAL(s->type))
- graphical = s;
- else if (s->type == SESSION_TTY)
- text = s;
- else
- other = s;
- }
-
- if (graphical &&
- (!u->display ||
- u->display->class != SESSION_USER ||
- u->display->stopping ||
- !SESSION_TYPE_IS_GRAPHICAL(u->display->type))) {
- u->display = graphical;
- return;
- }
-
- if (text &&
- (!u->display ||
- u->display->class != SESSION_USER ||
- u->display->stopping ||
- u->display->type != SESSION_TTY)) {
- u->display = text;
- return;
+ if (elect_display_compare(s, u->display) < 0) {
+ log_debug("Choosing session %s in preference to %s", s->id, u->display ? u->display->id : "-");
+ u->display = s;
+ }
}
-
- if (other &&
- (!u->display ||
- u->display->class != SESSION_USER ||
- u->display->stopping))
- u->display = other;
}
static const char* const user_state_table[_USER_STATE_MAX] = {
diff --git a/src/shared/generator.c b/src/shared/generator.c
index 807569a1b8..e58bbea77c 100644
--- a/src/shared/generator.c
+++ b/src/shared/generator.c
@@ -34,9 +34,14 @@
static int write_fsck_sysroot_service(const char *dir, const char *what) {
const char *unit;
_cleanup_free_ char *device = NULL;
+ _cleanup_free_ char *escaped;
_cleanup_fclose_ FILE *f = NULL;
int r;
+ escaped = cescape(what);
+ if (!escaped)
+ return log_oom();
+
unit = strjoina(dir, "/systemd-fsck-root.service");
log_debug("Creating %s", unit);
@@ -61,11 +66,12 @@ static int write_fsck_sysroot_service(const char *dir, const char *what) {
"[Service]\n"
"Type=oneshot\n"
"RemainAfterExit=yes\n"
- "ExecStart=" SYSTEMD_FSCK_PATH " %2$s\n"
+ "ExecStart=" SYSTEMD_FSCK_PATH " %4$s\n"
"TimeoutSec=0\n",
program_invocation_short_name,
what,
- device);
+ device,
+ escaped);
r = fflush_and_check(f);
if (r < 0)