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Man Pages


Manual Reference Pages  -  DISPATCH_AFTER (3)

NAME

dispatch_after - schedule blocks for deferred execution

CONTENTS

Synopsis
Description
Caveats
Fundamentals
See Also

SYNOPSIS


.Fd #include <dispatch/dispatch.h> void
.Fo dispatch_after dispatch_time_t when dispatch_queue_t queue void (^block)(void)
.Fc void
.Fo dispatch_after_f dispatch_time_t when dispatch_queue_t queue void *context void (*function)(void *)
.Fc

DESCRIPTION

The dispatch_after function submits the block to the given queue at the time specified by the when parameter. The when parameter is a value created by dispatch_time or dispatch_walltime.

For a more detailed description about submitting blocks to queues, see dispatch_async(3).

CAVEATS

Specifying
.Vt DISPATCH_TIME_NOW as the when parameter is supported, but is not as efficient as calling dispatch_async. The result of passing
.Vt DISPATCH_TIME_FOREVER as the when parameter is undefined.

FUNDAMENTALS

The dispatch_after function is a wrapper around dispatch_after_f.

SEE ALSO

dispatch(3), dispatch_async(3), dispatch_time(3)
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