From: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Date: Thu, 5 Nov 2020 16:28:03 +0000 (-0500)
Subject: event-rule: syscall: set the default pattern to '*'
X-Git-Tag: v2.13.0-rc1~217
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=67d38b9374a83948f81ae1544e0fc707f0829303;p=lttng-tools.git

event-rule: syscall: set the default pattern to '*'

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Change-Id: I8456f7f125b9341d31bc7bc2b8474abbc44b5467
---

diff --git a/include/lttng/event-rule/syscall.h b/include/lttng/event-rule/syscall.h
index baf8432c1..c581b809c 100644
--- a/include/lttng/event-rule/syscall.h
+++ b/include/lttng/event-rule/syscall.h
@@ -17,6 +17,8 @@ extern "C" {
 /*
  * Create a newly allocated syscall event rule.
  *
+ * The default pattern is '*'.
+ *
  * Returns a new event rule on success, NULL on failure. This event rule must be
  * destroyed using lttng_event_rule_destroy().
  */
diff --git a/src/common/event-rule/syscall.c b/src/common/event-rule/syscall.c
index b1b556aba..8103eaa61 100644
--- a/src/common/event-rule/syscall.c
+++ b/src/common/event-rule/syscall.c
@@ -249,6 +249,7 @@ struct lttng_event_rule *lttng_event_rule_syscall_create(void)
 {
 	struct lttng_event_rule *rule = NULL;
 	struct lttng_event_rule_syscall *syscall_rule;
+	enum lttng_event_rule_status status;
 
 	syscall_rule = zmalloc(sizeof(struct lttng_event_rule_syscall));
 	if (!syscall_rule) {
@@ -271,6 +272,14 @@ struct lttng_event_rule *lttng_event_rule_syscall_create(void)
 	syscall_rule->parent.generate_exclusions =
 			lttng_event_rule_syscall_generate_exclusions;
 	syscall_rule->parent.hash = lttng_event_rule_syscall_hash;
+
+	/* Default pattern is '*'. */
+	status = lttng_event_rule_syscall_set_pattern(rule, "*");
+	if (status != LTTNG_EVENT_RULE_STATUS_OK) {
+		lttng_event_rule_destroy(rule);
+		rule = NULL;
+	}
+
 end:
 	return rule;
 }