if (down_interruptible(&fc->outstanding_sem)) return NULL; return do_get_request(fc); 
int intr; sigset_t oldset;  block_sigs(&oldset); intr = down_interruptible(&fc->outstanding_sem); restore_sigs(&oldset); return intr ? NULL : do_get_request(fc); 
struct fuse_req *fuse_get_request(struct fuse_conn *fc){	if (down_interruptible(&fc->outstanding_sem))		return NULL;	return do_get_request(fc);}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/7c352bdf048811b8128019ffc1e886161e09c11c/dev.c/clean/fs/fuse/dev.c