Function PostmasterIsAlive

src/include/storage/pmsignal.h:101–107

extern volatile sig_atomic_t postmaster_possibly_dead;

static inline bool
PostmasterIsAlive(void)
{
	if (likely(!postmaster_possibly_dead))
		return true;
	return PostmasterIsAliveInternal();
}
#else
#define PostmasterIsAlive() PostmasterIsAliveInternal()
#endif