usleep function
Sleep USECONDS microseconds, or until a signal arrives that is not blocked or ignored.
This function is a cancellation point and therefore not marked with __THROW.
Implementation
int usleep(
int useconds,
) {
_usleep ??= Libc()
.dylib
.lookupFunction<ffi.Int32 Function(ffi.Uint32), _dart_usleep>('usleep');
return _usleep!(
useconds,
);
}