projects
/
lttng-ust.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
Implement file-backed ring buffer
[lttng-ust.git]
/
libringbuffer
/
backend_internal.h
diff --git
a/libringbuffer/backend_internal.h
b/libringbuffer/backend_internal.h
index 373e3147e383c143dc7273253d584f922a421a50..3c09382ed117b262f5f4baf275043271f069359d 100644
(file)
--- a/
libringbuffer/backend_internal.h
+++ b/
libringbuffer/backend_internal.h
@@
-45,7
+45,8
@@
int channel_backend_init(struct channel_backend *chanb,
const char *name,
const struct lttng_ust_lib_ring_buffer_config *config,
size_t subbuf_size,
const char *name,
const struct lttng_ust_lib_ring_buffer_config *config,
size_t subbuf_size,
- size_t num_subbuf, struct lttng_ust_shm_handle *handle);
+ size_t num_subbuf, struct lttng_ust_shm_handle *handle,
+ const char *shm_path);
void channel_backend_free(struct channel_backend *chanb,
struct lttng_ust_shm_handle *handle);
void channel_backend_free(struct channel_backend *chanb,
struct lttng_ust_shm_handle *handle);
@@
-240,9
+241,10
@@
unsigned long subbuffer_get_records_count(
/*
* Must be executed at subbuffer delivery when the writer has _exclusive_
/*
* Must be executed at subbuffer delivery when the writer has _exclusive_
- * subbuffer access. See ring_buffer_check_deliver() for details.
- * ring_buffer_get_records_count() must be called to get the records count
- * before this function, because it resets the records_commit count.
+ * subbuffer access. See lib_ring_buffer_check_deliver() for details.
+ * lib_ring_buffer_get_records_count() must be called to get the records
+ * count before this function, because it resets the records_commit
+ * count.
*/
static inline
unsigned long subbuffer_count_records_overrun(
*/
static inline
unsigned long subbuffer_count_records_overrun(
@@
-446,9
+448,21
@@
do { \
inline_memcpy(dest, src, __len); \
} while (0)
inline_memcpy(dest, src, __len); \
} while (0)
+/*
+ * write len bytes to dest with c
+ */
+static inline
+void lib_ring_buffer_do_memset(char *dest, int c, unsigned long len)
+{
+ unsigned long i;
+
+ for (i = 0; i < len; i++)
+ dest[i] = c;
+}
+
/* arch-agnostic implementation */
/* arch-agnostic implementation */
-static inline int fls(unsigned int x)
+static inline int
lttng_ust_
fls(unsigned int x)
{
int r = 32;
{
int r = 32;
@@
-481,7
+495,7
@@
static inline int get_count_order(unsigned int count)
{
int order;
{
int order;
- order = fls(count) - 1;
+ order =
lttng_ust_
fls(count) - 1;
if (count & (count - 1))
order++;
return order;
if (count & (count - 1))
order++;
return order;
This page took
0.023837 seconds
and
4
git commands to generate.