procqueue: add human-readable name to osmo_gapk_pq

Since this change, every processing queue may optionally have
an associated human-readable name. If name is not required,
NULL should be passed to the osmo_gapk_pq_create().

include/osmocom/gapk/procqueue.h

@@ -52,10 +52,13 @@ struct osmo_gapk_pq_item {
 struct osmo_gapk_pq {
 	struct llist_head items;
 	unsigned n_items;
+
+	/*! \brief human-readable name */
+	const char *name;
 };
 
 /* Processing queue management */
-struct osmo_gapk_pq *osmo_gapk_pq_create(void);
+struct osmo_gapk_pq *osmo_gapk_pq_create(const char *name);
 int osmo_gapk_pq_prepare(struct osmo_gapk_pq *pq);
 int osmo_gapk_pq_execute(struct osmo_gapk_pq *pq);
 void osmo_gapk_pq_destroy(struct osmo_gapk_pq *pq);

src/app_osmo_gapk.c

@@ -734,7 +734,7 @@ int main(int argc, char *argv[])
 		return rv;
 
 	/* Create processing queue */
-	gs->pq = osmo_gapk_pq_create();
+	gs->pq = osmo_gapk_pq_create("main");
 	if (!gs->pq) {
 		rv = -ENOMEM;
 		LOGP(DAPP, LOGL_ERROR, "Error creating processing queue\n");

src/procqueue.c

@@ -32,7 +32,7 @@ extern TALLOC_CTX *gapk_root_ctx;
 
 /* crate a new (empty) processing queue */
 struct osmo_gapk_pq *
-osmo_gapk_pq_create(void)
+osmo_gapk_pq_create(const char *name)
 {
 	struct osmo_gapk_pq *pq;
 
@@ -41,6 +41,13 @@ osmo_gapk_pq_create(void)
 	if (!pq)
 		return NULL;
 
+	if (name != NULL) {
+		/* Rename talloc context */
+		talloc_set_name(pq, "struct osmo_gapk_pq '%s'", name);
+		/* Set queue name */
+		pq->name = name;
+	}
+
 	/* Init its list of items */
 	INIT_LLIST_HEAD(&pq->items);