Always include stdbool.h.

[paraslash.git] / grab_client.c

diff --git a/grab_client.c b/grab_client.c
index 8e6715036769dace2f633d867d4bdb436901b6e0..de69f074efceb6869b61b76391b38077d0061662 100644 (file)
--- a/grab_client.c
+++ b/grab_client.c
@@ -8,8 +8,6 @@
 
 #include <regex.h>
 #include <sys/types.h>
-#include <dirent.h>
-#include <stdbool.h>
 
 #include "para.h"
 #include "list.h"
@@ -62,9 +60,9 @@ struct grab_client {
 };
 
 /* Grab clients that are attached to a btr node. */
-INITIALIZED_LIST_HEAD(active_grab_client_list);
+static INITIALIZED_LIST_HEAD(active_grab_client_list);
 /* Grab clients that are not currently attached any btr node. */
-INITIALIZED_LIST_HEAD(inactive_grab_client_list);
+static INITIALIZED_LIST_HEAD(inactive_grab_client_list);
 
 static int gc_write(struct grab_client *gc, char *buf, size_t len)
 {
@@ -117,7 +115,7 @@ static void gc_post_select(struct sched *s, struct task *t);
  *
  * \param gc The grab client to activate.
  */
-static void gc_activate(struct grab_client *gc)
+static void gc_activate(struct grab_client *gc, struct sched *s)
 {
        struct btr_node *root = audiod_get_btr_root(), *parent;
        char *name = gc->name? gc->name : "grab";
@@ -131,13 +129,12 @@ static void gc_activate(struct grab_client *gc)
        list_move(&gc->node, &active_grab_client_list);
        gc->btrn = btr_new_node(&(struct btr_node_description)
                EMBRACE(.name = name, .parent = parent));
-       if (!gc->task.pre_select) {
-               gc->task.pre_select = gc_pre_select;
-               gc->task.post_select = gc_post_select;
-               snprintf(gc->task.status, sizeof(gc->task.status) - 1, "%s", name);
-               gc->task.status[sizeof(gc->task.status) - 1] = '\0';
-               register_task(&gc->task);
-       }
+       gc->task.pre_select = gc_pre_select;
+       gc->task.post_select = gc_post_select;
+       snprintf(gc->task.status, sizeof(gc->task.status) - 1, "%s", name);
+       gc->task.status[sizeof(gc->task.status) - 1] = '\0';
+       gc->task.error = 0;
+       register_task(s, &gc->task);
 }
 
 /**
@@ -151,17 +148,17 @@ static void gc_activate(struct grab_client *gc)
  * This function also garbage collects all grab clients whose tasks have been
  * unscheduled.
  */
-void activate_grab_clients(void)
+void activate_grab_clients(struct sched *s)
 {
        struct grab_client *gc, *tmp;
 
        list_for_each_entry_safe(gc, tmp, &inactive_grab_client_list, node) {
-               if (gc->task.error == -E_TASK_UNREGISTERED) {
+               if (gc->fd < 0) {
                        list_del(&gc->node);
                        free(gc);
                        continue;
                }
-               gc_activate(gc);
+               gc_activate(gc, s);
        }
 }
 
@@ -179,11 +176,11 @@ static int gc_close(struct grab_client *gc, int err)
                 * post_select().
                 */
                close(gc->fd);
+               gc->fd = -1;
                free(gc->parent);
                free(gc->name);
                return 1;
        }
-       gc_activate(gc);
        return 0;
 }
 
@@ -210,7 +207,8 @@ static void gc_post_select(__a_unused struct sched *s, struct task *t)
                btr_consume(btrn, ret);
        return;
 err:
-       t->error = gc_close(gc, ret)? ret : 0;
+       gc_close(gc, ret);
+       t->error = ret;
 }
 
 static int gc_check_args(int argc, char **argv, struct grab_client *gc)
@@ -267,6 +265,7 @@ static int gc_check_args(int argc, char **argv, struct grab_client *gc)
  * \param fd The file descriptor of the client.
  * \param argc Argument count.
  * \param argv Argument vector.
+ * \param s The scheduler to register the grab client task to.
  *
  * If the command line options given by \a argc and \a argv are valid.
  * allocate a struct grab_client and initialize it with this valid
@@ -277,7 +276,7 @@ static int gc_check_args(int argc, char **argv, struct grab_client *gc)
  *
  * \return Standard.
  */
-int grab_client_new(int fd, int argc, char **argv)
+int grab_client_new(int fd, int argc, char **argv, struct sched *s)
 {
        int ret;
        struct grab_client *gc = para_calloc(sizeof(struct grab_client));
@@ -287,7 +286,7 @@ int grab_client_new(int fd, int argc, char **argv)
                goto err_out;
        gc->fd = fd;
        para_list_add(&gc->node, &inactive_grab_client_list);
-       gc_activate(gc);
+       gc_activate(gc, s);
        return 1;
 err_out:
        free(gc);