X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fpipe.h;h=b94d871e48426d57d9c88bc419bb659f46babebc;hp=2d4fc967d615d5520e20de6098c561ac49148850;hb=7966af5763c4aaca39df9bbfa9277ff15715c720;hpb=55dfb029ae73f7a8987c00154ffdddabdf4a1e8c

diff --git a/src/common/pipe.h b/src/common/pipe.h
index 2d4fc967d..b94d871e4 100644
--- a/src/common/pipe.h
+++ b/src/common/pipe.h
@@ -1,18 +1,8 @@
 /*
- * Copyright (C) 2013 - David Goulet <dgoulet@efficios.com>
+ * Copyright (C) 2013 David Goulet <dgoulet@efficios.com>
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License, version 2 only, as
- * published by the Free Software Foundation.
+ * SPDX-License-Identifier: GPL-2.0-only
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 51
- * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
 #ifndef LTTNG_PIPE_H
@@ -20,6 +10,11 @@
 
 #include <pthread.h>
 #include <common/macros.h>
+#include <sys/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 enum lttng_pipe_state {
 	LTTNG_PIPE_STATE_OPENED = 1,
@@ -50,7 +45,7 @@ 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;
 }
@@ -58,46 +53,40 @@ 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];
 }
 
-LTTNG_HIDDEN
 struct lttng_pipe *lttng_pipe_open(int flags);
-LTTNG_HIDDEN
 struct lttng_pipe *lttng_pipe_named_open(const char *path, mode_t mode,
 		int flags);
-LTTNG_HIDDEN
 int lttng_pipe_write_close(struct lttng_pipe *pipe);
-LTTNG_HIDDEN
 int lttng_pipe_read_close(struct lttng_pipe *pipe);
 /* Close both side of pipe. */
-LTTNG_HIDDEN
 int lttng_pipe_close(struct lttng_pipe *pipe);
-LTTNG_HIDDEN
 void lttng_pipe_destroy(struct lttng_pipe *pipe);
 
-LTTNG_HIDDEN
 ssize_t lttng_pipe_read(struct lttng_pipe *pipe, void *buf, size_t count);
-LTTNG_HIDDEN
 ssize_t lttng_pipe_write(struct lttng_pipe *pipe, const void *buf,
 		size_t count);
 /* Returns and releases the read end of the pipe. */
-LTTNG_HIDDEN
 int lttng_pipe_release_readfd(struct lttng_pipe *pipe);
 /* Returns and releases the write end of the pipe. */
-LTTNG_HIDDEN
 int lttng_pipe_release_writefd(struct lttng_pipe *pipe);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* LTTNG_PIPE_H */