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Add __field_hex
[lttng-modules.git]
/
lttng-context-pid.c
diff --git
a/lttng-context-pid.c
b/lttng-context-pid.c
index 956920fd71709104ff84e071ef82fec57c36e37e..698b242245a28b6e38484f65f21f129e53ab9774 100644
(file)
--- a/
lttng-context-pid.c
+++ b/
lttng-context-pid.c
@@
-32,7
+32,7
@@
void pid_record(struct lttng_ctx_field *field,
{
pid_t pid;
{
pid_t pid;
- pid =
current->pid
;
+ pid =
task_tgid_nr(current)
;
lib_ring_buffer_align_ctx(ctx, ltt_alignof(pid));
chan->ops->event_write(ctx, &pid, sizeof(pid));
}
lib_ring_buffer_align_ctx(ctx, ltt_alignof(pid));
chan->ops->event_write(ctx, &pid, sizeof(pid));
}
@@
-40,11
+40,14
@@
void pid_record(struct lttng_ctx_field *field,
int lttng_add_pid_to_ctx(struct lttng_ctx **ctx)
{
struct lttng_ctx_field *field;
int lttng_add_pid_to_ctx(struct lttng_ctx **ctx)
{
struct lttng_ctx_field *field;
- int ret;
field = lttng_append_context(ctx);
if (!field)
field = lttng_append_context(ctx);
if (!field)
- return ret;
+ return -ENOMEM;
+ if (lttng_find_context(*ctx, "pid")) {
+ lttng_remove_context_field(ctx, field);
+ return -EEXIST;
+ }
field->event_field.name = "pid";
field->event_field.type.atype = atype_integer;
field->event_field.type.u.basic.integer.size = sizeof(pid_t) * CHAR_BIT;
field->event_field.name = "pid";
field->event_field.type.atype = atype_integer;
field->event_field.type.u.basic.integer.size = sizeof(pid_t) * CHAR_BIT;
@@
-62,4
+65,4
@@
EXPORT_SYMBOL_GPL(lttng_add_pid_to_ctx);
MODULE_LICENSE("GPL and additional rights");
MODULE_AUTHOR("Mathieu Desnoyers");
MODULE_LICENSE("GPL and additional rights");
MODULE_AUTHOR("Mathieu Desnoyers");
-MODULE_DESCRIPTION("Linux Trace Toolkit P
erf Suppor
t");
+MODULE_DESCRIPTION("Linux Trace Toolkit P
ID Contex
t");
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