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On Mon, 15 Aug 2011, Peter Harris wrote:

On Mon, Aug 15, 2011 at 4:57 PM, Luiz Henrique de Figueiredo wrote:
Why not simply call usleep with t*1e6 ?

Because POSIX allows usleep to return EINVAL if the argument is >=
1e6, and some OSs are silly enough to actually enforce this limit (eg.

The joys of POSIX. Alternatives are:

'nanosleep', which takes a 'struct timespec' as an argument, so the delay is split up in seconds and nanoseconds.

'select', using NULL pointers for all the file descriptor sets, and a 'struct timeval' to specify the delay, which splits the delay into seconds and microseconds.