Add kdbus_domain_user_account() to account and link users into a
domain.
This function will take the domain lock, and it will be used as a
replacement for kdbus_domain_user_find_or_new().
Signed-off-by: Djalal Harouni <tix...@opendz.org>
---
domain.c | 36 ++++++++++++++++++++++++++++++++++++
domain.h | 4 ++++
2 files changed, 40 insertions(+)
diff --git a/domain.c b/domain.c
index 11d7439..1e2c3c9 100644
--- a/domain.c
+++ b/domain.c
@@ -522,6 +522,42 @@ exit_free:
}
/**
+ * kdbus_domain_user_account() - account a kdbus_domain_user object
+ * into the specified domain
+ * @domain: The domain of the user
+ * @uid: The uid of the user; INVALID_UID for an
+ * anonymous user like a custom endpoint
+ * @user Pointer to a reference where the accounted
+ * domain user will be stored.
+ *
+ * Return: 0 on success, negative errno on failure.
+ *
+ * On success: if there is a uid matching, then use the already
+ * accounted kdbus_domain_user, increment its reference counter and
+ * return it in the 'user' argument. Otherwise, allocate a new one,
+ * link it into the domain, then return it.
+ *
+ * On failure: the 'user' argument is not updated.
+ *
+ * This function will first check if the domain was not disconnected.
+ */
+int kdbus_domain_user_account(struct kdbus_domain *domain,
+ kuid_t uid,
+ struct kdbus_domain_user **user)
+{
+ int ret = -ESHUTDOWN;
+
+ mutex_lock(&domain->lock);
+
+ if (!domain->disconnected)
+ ret = __kdbus_domain_user_account(domain, uid, user);
+
+ mutex_unlock(&domain->lock);
+
+ return ret;
+}
+
+/**
* kdbus_domain_user_find_or_new() - get a kdbus_domain_user object in a domain
* @domain: The domain
* @uid: The uid of the user; INVALID_UID for an anonymous
diff --git a/domain.h b/domain.h
index fd2940b..c81589e 100644
--- a/domain.h
+++ b/domain.h
@@ -103,6 +103,10 @@ int __kdbus_domain_user_account(struct kdbus_domain
*domain,
kuid_t uid,
struct kdbus_domain_user **user);
+int kdbus_domain_user_account(struct kdbus_domain *domain,
+ kuid_t uid,
+ struct kdbus_domain_user **user);
+
struct kdbus_domain_user
*kdbus_domain_user_find_or_new(struct kdbus_domain *domain, kuid_t uid);
struct kdbus_domain_user *kdbus_domain_user_ref(struct kdbus_domain_user *u);
--
1.9.3
_______________________________________________
systemd-devel mailing list
systemd-devel@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/systemd-devel
