Add userspace namespace contexts

[deliverable/lttng-ust.git] / liblttng-ust / lttng-tracer-core.h

diff --git a/liblttng-ust/lttng-tracer-core.h b/liblttng-ust/lttng-tracer-core.h
index ba232f32acf5dc20067a41d15b496653ca1ee1a8..7afa888dad0fc720193cac8195f9de6b0f228509 100644 (file)
--- a/liblttng-ust/lttng-tracer-core.h
+++ b/liblttng-ust/lttng-tracer-core.h
@@ -30,6 +30,14 @@
 #include <lttng/ringbuffer-config.h>
 #include <usterr-signal-safe.h>
 
+/*
+ * The longuest possible namespace proc path is with the cgroup ns
+ * and the maximum theoretical linux pid of 536870912 :
+ *
+ *  /proc/self/task/536870912/ns/cgroup
+ */
+#define LTTNG_PROC_NS_PATH_MAX 40
+
 struct lttng_session;
 struct lttng_channel;
 struct lttng_event;
@@ -44,6 +52,10 @@ void ust_unlock(void);
 void lttng_fixup_event_tls(void);
 void lttng_fixup_vtid_tls(void);
 void lttng_fixup_procname_tls(void);
+void lttng_fixup_cgroup_ns_tls(void);
+void lttng_fixup_ipc_ns_tls(void);
+void lttng_fixup_net_ns_tls(void);
+void lttng_fixup_uts_ns_tls(void);
 
 const char *lttng_ust_obj_get_name(int id);