Define _GNU_SOURCE for all implementation files rather than getcpu.h

[lttng-ust.git] / liblttng-ust / ltt-ring-buffer-metadata-client.h

diff --git a/liblttng-ust/ltt-ring-buffer-metadata-client.h b/liblttng-ust/ltt-ring-buffer-metadata-client.h
index a9c2f641c54cc4bfc317ae5b52bb2c76d8646f59..3fa785a2265e7c2381931ba0e938c2f9f402c4ba 100644 (file)
--- a/liblttng-ust/ltt-ring-buffer-metadata-client.h
+++ b/liblttng-ust/ltt-ring-buffer-metadata-client.h
@@ -8,6 +8,7 @@
  * Dual LGPL v2.1/GPL v2 license.
  */
 
+#define _GNU_SOURCE
 #include <stdint.h>
 #include <lttng/ust-events.h>
 #include "lttng/bitfield.h"
@@ -167,8 +168,8 @@ struct ltt_channel *_channel_create(const char *name,
                                size_t subbuf_size, size_t num_subbuf,
                                unsigned int switch_timer_interval,
                                unsigned int read_timer_interval,
-                               int *shm_fd, int *wait_fd,
-                               uint64_t *memory_map_size,
+                               int **shm_fd, int **wait_fd,
+                               uint64_t **memory_map_size,
                                struct ltt_channel *chan_priv_init)
 {
        void *priv;
@@ -198,8 +199,8 @@ void ltt_channel_destroy(struct ltt_channel *ltt_chan)
 static
 struct lttng_ust_lib_ring_buffer *ltt_buffer_read_open(struct channel *chan,
                                             struct lttng_ust_shm_handle *handle,
-                                            int *shm_fd, int *wait_fd,
-                                            uint64_t *memory_map_size)
+                                            int **shm_fd, int **wait_fd,
+                                            uint64_t **memory_map_size)
 {
        struct lttng_ust_lib_ring_buffer *buf;
 
@@ -283,8 +284,8 @@ static
 int ltt_flush_buffer(struct channel *chan, struct lttng_ust_shm_handle *handle)
 {
        struct lttng_ust_lib_ring_buffer *buf;
-       int shm_fd, wait_fd;
-       uint64_t memory_map_size;
+       int *shm_fd, *wait_fd;
+       uint64_t *memory_map_size;
 
        buf = channel_get_ring_buffer(&client_config, chan,
                        0, handle, &shm_fd, &wait_fd,