#if defined(PLATFORM_UNIX)
#define IS_PARENT_PROCESS() (audio.mixer_pid != getpid())
#define IS_CHILD_PROCESS() (audio.mixer_pid == getpid())
+#define HAS_CHILD_PROCESS() (audio.mixer_pid > 0)
#else
#define IS_PARENT_PROCESS() TRUE
#define IS_CHILD_PROCESS() FALSE
+#define HAS_CHILD_PROCESS() FALSE
#endif
/* type definitions */