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gamemode: Explain the concerning logs a little better

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Testing showed that wine processes may provoke some concerning logs
multiple times. Let's explain this a little more so no questions from
worried users show up.

Signed-off-by: Kai Krakow <kai@kaishome.de>
This commit is contained in:
Kai Krakow 2018-10-03 17:06:37 +02:00
parent fd4166279b
commit 29f8f0883c
1 changed files with 27 additions and 3 deletions
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30
daemon/gamemode.c
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@ -433,6 +433,9 @@ static void game_mode_context_auto_expire(GameModeContext *self)
pthread_rwlock_unlock(&self->rwlock); pthread_rwlock_unlock(&self->rwlock);
break; break;
} }
if (game_mode_context_num_clients(self) == 0)
LOG_MSG("Properly cleaned up all expired games.\n");
} }
} }
@ -479,10 +482,23 @@ bool game_mode_context_register(GameModeContext *self, pid_t client)
errno = 0; errno = 0;
/* Check the PID first to spare a potentially expensive lookup for the exe */ /* Check the PID first to spare a potentially expensive lookup for the exe */
if (game_mode_context_has_client(self, client)) { pthread_rwlock_rdlock(&self->rwlock); // ensure our pointer is sane
LOG_ERROR("Addition requested for already known process [%d]\n", client); const GameModeClient *existing = game_mode_context_has_client(self, client);
if (existing) {
static int once = 0;
const char *additional_message =
(once++
? ""
: " -- This may happen due to using exec or shell wrappers. You may want to\n"
" -- blacklist this client so GameMode can see its final name here.\n");
LOG_ERROR("Addition requested for already known client %d [%s].\n%s",
existing->pid,
existing->executable,
additional_message);
pthread_rwlock_unlock(&self->rwlock);
goto error_cleanup; goto error_cleanup;
} }
pthread_rwlock_unlock(&self->rwlock);
/* Lookup the executable first */ /* Lookup the executable first */
executable = game_mode_context_find_exe(client); executable = game_mode_context_find_exe(client);
@ -568,7 +584,15 @@ bool game_mode_context_unregister(GameModeContext *self, pid_t client)
pthread_rwlock_unlock(&self->rwlock); pthread_rwlock_unlock(&self->rwlock);
if (!found) { if (!found) {
LOG_ERROR("Removal requested for unknown process [%d]\n", client); static int once = 0;
const char *additional_message =
(once++
? ""
: " -- The parent process probably forked and tries to unregister from the\n"
" -- wrong process now. We cannot work around this. This message will\n"
" -- likely be paired with a nearby 'Removing expired game' which means we\n"
" -- cleaned up properly (we will log this event).\n");
LOG_ERROR("Removal requested for unknown process [%d].\n%s", client, additional_message);
return false; return false;
} }