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Performance: Only dereference shmp once
[lttng-ust.git]
/
liblttng-ust
/
lttng-context-vpid.c
diff --git
a/liblttng-ust/lttng-context-vpid.c
b/liblttng-ust/lttng-context-vpid.c
index 949529c606c253d6fdf272360658370ad818b2d7..5e5ed145d944adf08be61755eaa32faefe3e52b4 100644
(file)
--- a/
liblttng-ust/lttng-context-vpid.c
+++ b/
liblttng-ust/lttng-context-vpid.c
@@
-20,6
+20,7
@@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#define _LGPL_SOURCE
#include <sys/types.h>
#include <unistd.h>
#include <lttng/ust-events.h>
#include <sys/types.h>
#include <unistd.h>
#include <lttng/ust-events.h>
@@
-62,7
+63,7
@@
void lttng_context_vpid_reset(void)
#endif
static
#endif
static
-size_t vpid_get_size(size_t offset)
+size_t vpid_get_size(s
truct lttng_ctx_field *field, s
ize_t offset)
{
size_t size = 0;
{
size_t size = 0;
@@
-85,12
+86,12
@@
void vpid_record(struct lttng_ctx_field *field,
static
void vpid_get_value(struct lttng_ctx_field *field,
static
void vpid_get_value(struct lttng_ctx_field *field,
-
union
lttng_ctx_value *value)
+
struct
lttng_ctx_value *value)
{
pid_t pid;
pid = wrapper_getpid();
{
pid_t pid;
pid = wrapper_getpid();
- value->s64 = pid;
+ value->
u.
s64 = pid;
}
int lttng_add_vpid_to_ctx(struct lttng_ctx **ctx)
}
int lttng_add_vpid_to_ctx(struct lttng_ctx **ctx)
@@
-115,5
+116,6
@@
int lttng_add_vpid_to_ctx(struct lttng_ctx **ctx)
field->get_size = vpid_get_size;
field->record = vpid_record;
field->get_value = vpid_get_value;
field->get_size = vpid_get_size;
field->record = vpid_record;
field->get_value = vpid_get_value;
+ lttng_context_update(*ctx);
return 0;
}
return 0;
}
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