Added O_TMPFILE support for uwac tempfile generation.

diff --git a/uwac/libuwac/uwac-os.c b/uwac/libuwac/uwac-os.c
index 135c5cd..fb4474a 100644 (file)
--- a/uwac/libuwac/uwac-os.c
+++ b/uwac/libuwac/uwac-os.c
@@ -212,11 +212,11 @@ static int create_tmpfile_cloexec(char* tmpname)
 int uwac_create_anonymous_file(off_t size)
 {
        static const char template[] = "/weston-shared-XXXXXX";
-       const char* path;
+       size_t length;
        char* name;
+       const char* path;
        int fd;
        int ret;
-       size_t length;
        path = getenv("XDG_RUNTIME_DIR");
 
        if (!path)
@@ -225,15 +225,20 @@ int uwac_create_anonymous_file(off_t size)
                return -1;
        }
 
-       length = strlen(path) + sizeof(template);
-       name = malloc(length);
+       fd = open(path, O_TMPFILE | O_RDWR | O_EXCL, 0600);
 
-       if (!name)
-               return -1;
+       if (fd < 0)
+       {
+               length = strlen(path) + sizeof(template);
+               name = malloc(length);
 
-       snprintf(name, length, "%s%s", path, template);
-       fd = create_tmpfile_cloexec(name);
-       free(name);
+               if (!name)
+                       return -1;
+
+               snprintf(name, length, "%s%s", path, template);
+               fd = create_tmpfile_cloexec(name);
+               free(name);
+       }
 
        if (fd < 0)
                return -1;