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Fix: liblttng-ctl comm: lttng_event_field is not packed
[lttng-tools.git]
/
src
/
bin
/
lttng-sessiond
/
cmd.c
diff --git
a/src/bin/lttng-sessiond/cmd.c
b/src/bin/lttng-sessiond/cmd.c
index 5a6414ebbe4991f48b4450d64d31c32f1d1ce00e..78f1f053d7cd6b47f07d84b03700a04ccab7f13e 100644
(file)
--- a/
src/bin/lttng-sessiond/cmd.c
+++ b/
src/bin/lttng-sessiond/cmd.c
@@
-2650,31
+2650,43
@@
error:
/*
* Command LTTNG_LIST_TRACEPOINT_FIELDS processed by the client thread.
*/
/*
* Command LTTNG_LIST_TRACEPOINT_FIELDS processed by the client thread.
*/
-
ssize_t
cmd_list_tracepoint_fields(enum lttng_domain_type domain,
- struct lttng_
event_field **
fields)
+
enum lttng_error_code
cmd_list_tracepoint_fields(enum lttng_domain_type domain,
+ struct lttng_
dynamic_buffer *buffer, unsigned int *nb_
fields)
{
{
+ enum lttng_error_code ret_code;
int ret;
int ret;
- ssize_t nb_fields = 0;
+ unsigned int i;
+ struct lttng_event_field *fields = NULL;
switch (domain) {
case LTTNG_DOMAIN_UST:
switch (domain) {
case LTTNG_DOMAIN_UST:
-
nb_fields = ust_app_list_event_fields(
fields);
- if (
nb_fields
< 0) {
- ret = LTTNG_ERR_UST_LIST_FAIL;
+
ret = ust_app_list_event_fields(&
fields);
+ if (
ret
< 0) {
+ ret
_code
= LTTNG_ERR_UST_LIST_FAIL;
goto error;
}
break;
case LTTNG_DOMAIN_KERNEL:
default: /* fall-through */
goto error;
}
break;
case LTTNG_DOMAIN_KERNEL:
default: /* fall-through */
- ret = LTTNG_ERR_UND;
+ ret
_code
= LTTNG_ERR_UND;
goto error;
}
goto error;
}
- return nb_fields;
+ *nb_fields = ret;
+
+ for (i = 0; i < *nb_fields; i++) {
+ ret = lttng_event_field_serialize(&fields[i], buffer);
+ if (ret) {
+ ret_code = -LTTNG_ERR_NOMEM;
+ goto error;
+ }
+ }
+
+ ret_code = LTTNG_OK;
error:
error:
- /* Return negative value to differentiate return code */
- return
-ret
;
+ free(fields);
+ return
ret_code
;
}
enum lttng_error_code cmd_list_syscalls(
}
enum lttng_error_code cmd_list_syscalls(
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