logging: Add assert when no backends defined

nordic-krch · nashif · commit ba991c3be126 · 2019-03-04T11:47:34.000-05:00
Added an assert in the logger thread in case there
is no backends, instead of having that thread spinning
forever. Disabled log in qemu_xtensa board due to lack
of backends.

Signed-off-by: Alberto Escolar Piedras &lt;alpi@oticon.com&gt;
Signed-off-by: Krzysztof Chruscinski &lt;krzysztof.chruscinski@nordicsemi.no&gt;
Signed-off-by: Anas Nashif &lt;anas.nashif@intel.com&gt;
diff --git a/boards/xtensa/qemu_xtensa/qemu_xtensa.yaml b/boards/xtensa/qemu_xtensa/qemu_xtensa.yaml
@@ -11,3 +11,4 @@ testing:
   ignore_tags:
      - net
      - bluetooth
+     - logging
diff --git a/subsys/logging/log_core.c b/subsys/logging/log_core.c
@@ -668,6 +668,8 @@ void log_free(void *str)
 
 static void log_process_thread_func(void *dummy1, void *dummy2, void *dummy3)
 {
+	__ASSERT_NO_MSG(log_backend_count_get() > 0);
+
 	log_init();
 	thread_set(k_current_get());
 

Original file line number	Diff line number	Diff line change
`@@ -668,6 +668,8 @@ void log_free(void *str)`
`668`	`668`
`669`	`669`	`static void log_process_thread_func(void dummy1, void dummy2, void *dummy3)`
`670`	`670`	`{`
	`671`	`+ __ASSERT_NO_MSG(log_backend_count_get() > 0);`
	`672`	`+`
`671`	`673`	`log_init();`
`672`	`674`	`thread_set(k_current_get());`
`673`	`675`