Mark lttng_pipe as const where possible

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>

diff --git a/src/common/pipe.h b/src/common/pipe.h
index 30f7c3f30d68ee120863056a1007430a0341bedb..01fe8824244184a0843b1f1df914ad02136b9167 100644 (file)
--- a/src/common/pipe.h
+++ b/src/common/pipe.h
@@ -51,7 +51,7 @@ struct lttng_pipe {
 /*
  * Return 1 if read side is open else 0.
  */
-static inline int lttng_pipe_is_read_open(struct lttng_pipe *pipe)
+static inline int lttng_pipe_is_read_open(const struct lttng_pipe *pipe)
 {
        return pipe->r_state == LTTNG_PIPE_STATE_OPENED ? 1 : 0;
 }
@@ -59,17 +59,17 @@ static inline int lttng_pipe_is_read_open(struct lttng_pipe *pipe)
 /*
  * Return 1 if write side is open else 0.
  */
-static inline int lttng_pipe_is_write_open(struct lttng_pipe *pipe)
+static inline int lttng_pipe_is_write_open(const struct lttng_pipe *pipe)
 {
        return pipe->w_state == LTTNG_PIPE_STATE_OPENED ? 1 : 0;
 }
 
-static inline int lttng_pipe_get_readfd(struct lttng_pipe *pipe)
+static inline int lttng_pipe_get_readfd(const struct lttng_pipe *pipe)
 {
        return pipe->fd[0];
 }
 
-static inline int lttng_pipe_get_writefd(struct lttng_pipe *pipe)
+static inline int lttng_pipe_get_writefd(const struct lttng_pipe *pipe)
 {
        return pipe->fd[1];
 }