X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Flttng-context-prio.c;h=2a16ea87ce83f038c9c8f115b788a4f413c5754d;hb=3dfec2289896ff0f1a05a9e486f1585cd16beb84;hp=d300445546d443443f103a3f8607b96a3e6895ad;hpb=876e2e9225074dede98488270dee7226e73d2a63;p=lttng-modules.git

diff --git a/src/lttng-context-prio.c b/src/lttng-context-prio.c
index d3004455..2a16ea87 100644
--- a/src/lttng-context-prio.c
+++ b/src/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)
 {