diff --git a/demo/ao_mmap.c b/demo/ao_mmap.c index b295938..520a74a 100644 --- a/demo/ao_mmap.c +++ b/demo/ao_mmap.c @@ -137,11 +137,6 @@ int main(int argc, char *argv[]) } num_samples = size / sizeof(sampl_t); write_waveform(map, num_samples, amplitude, offset, maxdata); - if(msync(map, size, MS_SYNC) < 0) - { - perror("msync"); - exit(1); - } printf("marking %i samples as written\n", num_samples); ret = comedi_mark_buffer_written(dev, options.subdevice, size); if(ret < 0)