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[pipe] Fix exit problem due to misuse of COMMAND_PENDING

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This commit is contained in:
ejurgensen 2017-02-10 23:56:58 +01:00
parent d8255e1d08
commit f0c9843194
1 changed files with 25 additions and 11 deletions
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36
src/inputs/pipe.c
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@ -84,6 +84,12 @@ struct pipe
struct pipe *next;
};
union pipe_arg
{
uint32_t id;
struct pipe *pipelist;
};
// The usual thread stuff
static pthread_t tid_pipe;
static struct event_base *evbase_pipe;
@ -472,12 +478,12 @@ pipe_read_cb(evutil_socket_t fd, short event, void *arg)
static enum command_state
pipe_watch_reset(void *arg, int *retval)
{
int *id = arg;
union pipe_arg *cmdarg = arg;
struct pipe *pipe;
pipe_autostart_id = 0;
pipe = pipelist_find(pipe_watch_list, *id);
pipe = pipelist_find(pipe_watch_list, cmdarg->id);
*retval = watch_reset(pipe);
@ -487,11 +493,15 @@ pipe_watch_reset(void *arg, int *retval)
static enum command_state
pipe_watch_update(void *arg, int *retval)
{
struct pipe *pipelist = arg;
union pipe_arg *cmdarg = arg;
struct pipe *pipelist = NULL;
struct pipe *pipe;
struct pipe *next;
int count;
if (cmdarg)
pipelist = cmdarg->pipelist;
count = 0;
for (pipe = pipe_watch_list; pipe; pipe = next)
{
@ -499,7 +509,7 @@ pipe_watch_update(void *arg, int *retval)
if (!pipelist_find(pipelist, pipe->id))
{
DPRINTF(E_DBG, L_PLAYER, "Pipe deleted: '%s'\n", pipe->path);
DPRINTF(E_DBG, L_PLAYER, "Pipe watch deleted: '%s'\n", pipe->path);
watch_del(pipe);
pipelist_remove(&pipe_watch_list, pipe); // Will free pipe
continue;
@ -518,13 +528,13 @@ pipe_watch_update(void *arg, int *retval)
break;
}
DPRINTF(E_DBG, L_PLAYER, "Pipe added: '%s'\n", pipe->path);
DPRINTF(E_DBG, L_PLAYER, "Pipe watch added: '%s'\n", pipe->path);
watch_add(pipe);
pipelist_add(&pipe_watch_list, pipe);
}
*retval = 0;
return COMMAND_PENDING; // Stops commands.c from freeing any of the pipes
return COMMAND_END;
}
static void *
@ -700,6 +710,7 @@ pipelist_create(void)
static void
pipe_listener_cb(enum listener_event_type type)
{
union pipe_arg *cmdarg;
struct pipe *pipelist;
pipelist = pipelist_create();
@ -712,7 +723,10 @@ pipe_listener_cb(enum listener_event_type type)
if (!tid_pipe)
pipe_thread_start();
commands_exec_async(cmdbase, pipe_watch_update, pipelist);
CHECK_NULL(L_PLAYER, cmdarg = malloc(sizeof(union pipe_arg)));
cmdarg->pipelist = pipelist;
commands_exec_async(cmdbase, pipe_watch_update, cmdarg);
}
@ -793,7 +807,7 @@ static int
stop(struct player_source *ps)
{
struct pipe *pipe = ps->input_ctx;
int *id;
union pipe_arg *cmdarg;
DPRINTF(E_DBG, L_PLAYER, "Stopping pipe\n");
@ -803,9 +817,9 @@ stop(struct player_source *ps)
// we will deadlock from the stop in pipe_read_cb().
if (pipe_autostart)
{
id = malloc(sizeof(int));
*id = pipe->id;
commands_exec_async(cmdbase, pipe_watch_reset, id);
CHECK_NULL(L_PLAYER, cmdarg = malloc(sizeof(union pipe_arg)));
cmdarg->id = pipe->id;
commands_exec_async(cmdbase, pipe_watch_reset, cmdarg);
}
if (pipe_metadata)