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Create libuuid/libc uuid wrapper
[lttng-ust.git]
/
libringbuffer
/
ring_buffer_backend.c
diff --git
a/libringbuffer/ring_buffer_backend.c
b/libringbuffer/ring_buffer_backend.c
index 3f47ebd14e1b381d66b0e133d52450d79205b09b..769e24bffa0c35475aee4ddcec62b60b4b618d93 100644
(file)
--- a/
libringbuffer/ring_buffer_backend.c
+++ b/
libringbuffer/ring_buffer_backend.c
@@
-6,12
+6,12
@@
* Dual LGPL v2.1/GPL v2 license.
*/
* Dual LGPL v2.1/GPL v2 license.
*/
+#define _GNU_SOURCE
#include <urcu/arch.h>
#include <urcu/arch.h>
+#include <limits.h>
-#include "lttng/core.h"
-
-#include "uatomic.h"
#include <lttng/ringbuffer-config.h>
#include <lttng/ringbuffer-config.h>
+#include "vatomic.h"
#include "backend.h"
#include "frontend.h"
#include "smp.h"
#include "backend.h"
#include "frontend.h"
#include "smp.h"
@@
-220,8
+220,10
@@
int channel_backend_init(struct channel_backend *chanb,
/*
* Make sure the number of subbuffers and subbuffer size are power of 2.
*/
/*
* Make sure the number of subbuffers and subbuffer size are power of 2.
*/
- CHAN_WARN_ON(chanb, hweight32(subbuf_size) != 1);
- CHAN_WARN_ON(chanb, hweight32(num_subbuf) != 1);
+ if (hweight32(subbuf_size) != 1)
+ return -EINVAL;
+ if (hweight32(num_subbuf) != 1)
+ return -EINVAL;
ret = subbuffer_id_check_index(config, num_subbuf);
if (ret)
ret = subbuffer_id_check_index(config, num_subbuf);
if (ret)
@@
-294,6
+296,7
@@
int channel_backend_init(struct channel_backend *chanb,
buf = shmp(handle, chanb->buf[0].shmp);
if (!buf)
goto end;
buf = shmp(handle, chanb->buf[0].shmp);
if (!buf)
goto end;
+ set_shmp(buf->self, chanb->buf[0].shmp._ref);
ret = lib_ring_buffer_create(buf, chanb, -1,
handle, shmobj);
if (ret)
ret = lib_ring_buffer_create(buf, chanb, -1,
handle, shmobj);
if (ret)
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