Work around some clang warnings.
[paraslash.git] / grab_client.c
index 8e6715036769dace2f633d867d4bdb436901b6e0..9109c2f8f6c5f1978eddd356ff7f8e979d73dd8a 100644 (file)
@@ -8,7 +8,6 @@
 
 #include <regex.h>
 #include <sys/types.h>
-#include <dirent.h>
 #include <stdbool.h>
 
 #include "para.h"
@@ -62,9 +61,9 @@ 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)
 {
@@ -131,13 +130,12 @@ 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(&gc->task);
 }
 
 /**
@@ -156,7 +154,7 @@ void activate_grab_clients(void)
        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;
@@ -179,11 +177,11 @@ 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 +208,8 @@ 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)