ERR
ERR = 0x00000001,
#define ERR 0x0001
#define ERR(x) fprintf(stderr, "WorkerThread: "x" %s\n", strerror(err))
#define ERR(x)
#define ERR(msg, args...) fprintf(stderr, "%s: " msg, kProgramName, args)
#define ERR(err) \