pkev: data at every level

1 files changed, 32 insertions, 19 deletions

diff --git a/pkev.h b/pkev.h
index a9ec199..75090b5 100644
--- a/pkev.h
+++ b/pkev.h
@@ -14,11 +14,11 @@ void pk_ev_teardown();
 const pk_ev_mgr_id_T pk_ev_create_mgr();
 void pk_ev_destroy_mgr(pk_ev_mgr_id_T evmgr);
 
-typedef void (pk_ev_cb)(void *);
+typedef void (pk_ev_cb_fn)(void *user_event_data, void *user_cb_data, void *user_ev_data);
 
-const pk_ev_id_T pk_ev_register_ev(pk_ev_mgr_id_T evmgr);
-bool pk_ev_register_cb(pk_ev_mgr_id_T evmgr, pk_ev_id_T evid, pk_ev_cb *cb);
-void pk_ev_emit(pk_ev_mgr_id_T evmgr, pk_ev_id_T evid, void *user_data);
+const pk_ev_id_T pk_ev_register_ev(pk_ev_mgr_id_T evmgr, void *user_ev_data);
+bool pk_ev_register_cb(pk_ev_mgr_id_T evmgr, pk_ev_id_T evid, pk_ev_cb_fn *cb, void *user_cb_data);
+void pk_ev_emit(pk_ev_mgr_id_T evmgr, pk_ev_id_T evid, void *user_emit_data);
 
 #endif /* PK_EV_H */
 
@@ -48,9 +48,15 @@ void pk_ev_emit(pk_ev_mgr_id_T evmgr, pk_ev_id_T evid, void *user_data);
 # define PK_EV_GROW_RATIO 1.5
 #endif
 
+struct pk_ev_cb {
+	pk_ev_cb_fn *cb;
+	void *user_cb_data;
+};
+
 struct pk_ev {
-	pk_ev_cb **cb;
-	atomic_uint_fast8_t n_cb;
+	struct pk_ev_cb *ev_cbs;
+	void *user_ev_data;
+	atomic_uint_fast8_t n_ev_cbs;
 };
 
 struct pk_ev_mgr {
@@ -107,8 +113,8 @@ pk_ev_inner_ev_mgr_create(uint64_t ev_count, uint64_t cb_count)
 {
 	int i;
 	struct pk_ev *ev;
-	size_t sz = sizeof(struct pk_ev_mgr) + ((sizeof(struct pk_ev) * ev_count)) + (sizeof (void *) * ev_count * cb_count);
-	size_t sz_ev = (sizeof(pk_ev_cb*) * cb_count);
+	size_t sz = sizeof(struct pk_ev_mgr) + ((sizeof(struct pk_ev) * ev_count)) + (sizeof (struct pk_ev_cb) * ev_count * cb_count);
+	size_t sz_ev = (sizeof(struct pk_ev_cb) * cb_count);
 	size_t sz_evs = sizeof(struct pk_ev) * ev_count;
 
 	struct pk_ev_mgr *mgr = (struct pk_ev_mgr*)malloc(sz);
@@ -121,8 +127,8 @@ pk_ev_inner_ev_mgr_create(uint64_t ev_count, uint64_t cb_count)
 	atomic_init(&mgr->n_ev, 0);
 	for (i = 0; i < mgr->rn_ev; ++i) {
 		ev = &mgr->ev[i];
-		atomic_init(&ev->n_cb, 0);
-		ev->cb = (pk_ev_cb**)(((char *)mgr) + sizeof(struct pk_ev_mgr) + sz_evs + (sz_ev * i));
+		atomic_init(&ev->n_ev_cbs, 0);
+		ev->ev_cbs = (struct pk_ev_cb*)(((char *)mgr) + sizeof(struct pk_ev_mgr) + sz_evs + (sz_ev * i));
 	}
 
 early_exit:
@@ -139,8 +145,8 @@ pk_ev_inner_ev_mgr_clone(struct pk_ev_mgr *old, struct pk_ev_mgr *mgr)
 	for (i = 0; i < old->n_ev; ++i) {
 		ev_old = &old->ev[i];
 		ev = &mgr->ev[i];
-		memcpy(ev->cb, ev_old->cb, sizeof(pk_ev_cb*) * atomic_load(&ev_old->n_cb));
-		atomic_store(&ev->n_cb, atomic_load(&ev_old->n_cb));
+		memcpy(ev->ev_cbs, ev_old->ev_cbs, sizeof(struct pk_ev_cb) * atomic_load(&ev_old->n_ev_cbs));
+		atomic_store(&ev->n_ev_cbs, atomic_load(&ev_old->n_ev_cbs));
 	}
 }
 
@@ -188,7 +194,7 @@ pk_ev_destroy_mgr(pk_ev_mgr_id_T evmgr)
 }
 
 inline const pk_ev_id_T
-pk_ev_register_ev(pk_ev_mgr_id_T evmgr)
+pk_ev_register_ev(pk_ev_mgr_id_T evmgr, void *user_ev_data)
 {
 	assert(evmgr < 64);
 	pk_ev_id_T id;
@@ -201,34 +207,41 @@ pk_ev_register_ev(pk_ev_mgr_id_T evmgr)
 		pk_ev_mstr.mgrs[evmgr] = mgr;
 	}
 	id = pk_ev_mstr.mgrs[evmgr]->n_ev++;
+	pk_ev_mstr.mgrs[evmgr]->ev[id].user_ev_data = user_ev_data;
 	mtx_unlock(&pk_ev_mstr.mtxs[evmgr]);
 	return id;
 }
 
 inline bool
-pk_ev_register_cb(pk_ev_mgr_id_T evmgr, pk_ev_id_T evid, pk_ev_cb *cb)
+pk_ev_register_cb(pk_ev_mgr_id_T evmgr, pk_ev_id_T evid, pk_ev_cb_fn *cb, void *user_cb_data)
 {
 	assert(evmgr < 64);
 	struct pk_ev_mgr *mgr;
+	uint8_t cb_index;
 	mtx_lock(&pk_ev_mstr.mtxs[evmgr]);
-	if (pk_ev_mstr.mgrs[evmgr]->ev[evid].n_cb == pk_ev_mstr.mgrs[evmgr]->rn_cb) {
+	if (pk_ev_mstr.mgrs[evmgr]->ev[evid].n_ev_cbs == pk_ev_mstr.mgrs[evmgr]->rn_cb) {
 		mgr = pk_ev_inner_ev_mgr_create(pk_ev_mstr.mgrs[evmgr]->rn_ev, pk_ev_mstr.mgrs[evmgr]->rn_cb * PK_EV_GROW_RATIO);
 		pk_ev_inner_ev_mgr_clone(pk_ev_mstr.mgrs[evmgr], mgr);
 		free(pk_ev_mstr.mgrs[evmgr]);
 		pk_ev_mstr.mgrs[evmgr] = mgr;
 	}
-	pk_ev_mstr.mgrs[evmgr]->ev[evid].cb[pk_ev_mstr.mgrs[evmgr]->ev[evid].n_cb++] = cb;
+	cb_index = pk_ev_mstr.mgrs[evmgr]->ev[evid].n_ev_cbs++;
+	pk_ev_mstr.mgrs[evmgr]->ev[evid].ev_cbs[cb_index].cb = cb;
+	pk_ev_mstr.mgrs[evmgr]->ev[evid].ev_cbs[cb_index].user_cb_data = user_cb_data;
 	mtx_unlock(&pk_ev_mstr.mtxs[evmgr]);
 	return true;
 }
 
 inline void
-pk_ev_emit(pk_ev_mgr_id_T evmgr, pk_ev_id_T evid, void *user_data)
+pk_ev_emit(pk_ev_mgr_id_T evmgr, pk_ev_id_T evid, void *user_emit_data)
 {
 	assert(evmgr < 64);
 	uint8_t i;
-	for (i = 0; i < pk_ev_mstr.mgrs[evmgr]->ev[evid].n_cb; ++i) {
-		(*pk_ev_mstr.mgrs[evmgr]->ev[evid].cb[i])(user_data);
+	for (i = 0; i < pk_ev_mstr.mgrs[evmgr]->ev[evid].n_ev_cbs; ++i) {
+		(*pk_ev_mstr.mgrs[evmgr]->ev[evid].ev_cbs[i].cb)(
+			pk_ev_mstr.mgrs[evmgr]->ev[evid].user_ev_data,
+			pk_ev_mstr.mgrs[evmgr]->ev[evid].ev_cbs[i].user_cb_data,
+			user_emit_data);
 	}
 }