Create/Destroy lock updated.

[model] Redwood,Kiran,B3(Wearable)
[binary_type] AP
[customer] Docomo/Orange/ATT/Open
[issue#] N/A
[problem]
[cause]
[solution]
[team] HomeTF
[request]
[horizontal_expansion]

Change-Id: Iebc28de89f0878e4063c6b31ca6a68ba973a289c

2 files changed, 11 insertions, 4 deletions

diff --git a/include/widget_buffer.h b/include/widget_buffer.h
index 4d6d994..2ce7cf8 100644
--- a/include/widget_buffer.h
+++ b/include/widget_buffer.h
@@ -105,6 +105,11 @@ typedef enum widget_lock_type {
  * @since_tizen 2.3.1
  */
 typedef struct widget_lock_info {
+	enum {
+		LOCK_INITIALIZED = 0xb0e0e0f0,
+		LOCK_CREATED = 0x0beef000,
+		LOCK_DESTROYED = 0x0dead000
+	} state;
     char *filename;
     int fd;
     widget_lock_type_e type;
@@ -120,7 +125,7 @@ typedef struct widget_buffer {
     enum {
         BUFFER_INITIALIZED = 0x0b0e0e0f,
         BUFFER_CREATED = 0x00beef00,
-        BUFFER_DESTROYED = 0x00dead00,
+        BUFFER_DESTROYED = 0x00dead00
     } state;
 
     widget_target_type_e type;
diff --git a/src/widget_service.c b/src/widget_service.c
index 5eacdbc..1aeef1b 100644
--- a/src/widget_service.c
+++ b/src/widget_service.c
@@ -3225,12 +3225,13 @@ EAPI widget_lock_info_t widget_service_create_lock(const char *uri, widget_targe
 		return NULL;
 	}
 
+	info->state = LOCK_CREATED;
 	return info;
 }
 
 EAPI int widget_service_destroy_lock(widget_lock_info_t info)
 {
-	if (!info || !info->filename || info->fd < 0) {
+	if (!info || info->state != LOCK_CREATED || !info->filename || info->fd < 0) {
 		return WIDGET_ERROR_INVALID_PARAMETER;
 	}
 
@@ -3243,6 +3244,7 @@ EAPI int widget_service_destroy_lock(widget_lock_info_t info)
 		ErrPrint("unlink: %s\n", strerror(errno));
 	}
 
+	info->state = LOCK_DESTROYED;
 	free(info->filename);
 	free(info);
 	return WIDGET_ERROR_NONE;
@@ -3253,7 +3255,7 @@ EAPI int widget_service_acquire_lock(widget_lock_info_t info)
 	struct flock flock;
 	int ret;
 
-	if (!info || info->fd < 0) {
+	if (!info || info->state != LOCK_CREATED || info->fd < 0) {
 		return WIDGET_ERROR_INVALID_PARAMETER;
 	}
 
@@ -3283,7 +3285,7 @@ EAPI int widget_service_release_lock(widget_lock_info_t info)
 	struct flock flock;
 	int ret;
 
-	if (info->fd < 0) {
+	if (!info || info->state != LOCK_CREATED || info->fd < 0) {
 		return WIDGET_ERROR_INVALID_PARAMETER;
 	}