[callbacks] Split callback locks to protect ringbuf vs. cb_map

Way too much code was being locked in zjs_callbacks.c and it was
causing deadlocks. It's still probably possible, this could be
refined further - for example jerry_call_function is still getting
called within a CB_LOCK.

Signed-off-by: Geoff Gustafson <geoff@linux.intel.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/src/zjs_common.h b/src/zjs_common.h
index 0a7f574..9f5ae35 100644
--- a/src/zjs_common.h
+++ b/src/zjs_common.h
@@ -94,6 +94,17 @@ int zjs_get_ms(void);
 #define FTRACE_JSAPI do {} while (0)
 #endif
 
+/**
+ * print function that works only if DEBUG_LOCKS is defined
+ */
+#ifdef DEBUG_LOCKS
+#define LPRINT(str)                                             \
+    ZJS_PRINT("[%x] %s: %s\n", (u32_t)k_current_get() & 0xffff, \
+              __func__, str)
+#else
+#define LPRINT(str) do {} while (0)
+#endif
+
 // TODO: We should instead have a macro that changes in debug vs. release build,
 // to save string space and instead print error codes or something for release.