X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=lttng-context-prio.c;h=c786f5d312d644094da09479e61b9991a8e838f5;hb=179270d758e55d61b979adcf923416aad1d9c6fd;hp=367f7bd67ca04f7dbe89788417b8f807f5a60406;hpb=ea53823c42a70a80566a340834e2b00e650406b9;p=lttng-modules.git

diff --git a/lttng-context-prio.c b/lttng-context-prio.c
index 367f7bd6..c786f5d3 100644
--- a/lttng-context-prio.c
+++ b/lttng-context-prio.c
@@ -29,6 +29,19 @@ int wrapper_task_prio_init(void)
 	return 0;
 }
 
+/*
+ * Canary function to check for 'task_prio()' at compile time.
+ *
+ * From 'include/linux/sched.h':
+ *
+ *   extern int task_prio(const struct task_struct *p);
+ */
+__attribute__((unused)) static
+int __canary__task_prio(const struct task_struct *p)
+{
+	return task_prio(p);
+}
+
 static
 size_t prio_get_size(size_t offset)
 {