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BUNDLE_WAIT(3) libdill Library Functions BUNDLE_WAIT(3)

bundle_wait - wait while coroutines in the bundle finish


#include <libdill.h>
int bundle_wait(
    int bndl,
    int64_t deadline);

    

If there are no coroutines in the bundle the function will succeed immediately. Otherwise, it will wait until all the coroutines in the bundle finish or until deadline is reached.

bndl: Handle of a coroutine bundle.

deadline: A point in time when the operation should time out, in milliseconds. Use the now function to get your current point in time. 0 means immediate timeout, i.e., perform the operation if possible or return without blocking if not. -1 means no deadline, i.e., the call will block forever if the operation cannot be performed.

In case of success the function returns 0. In case of error it returns -1 and sets errno to one of the values below.

EBADF: Invalid handle.
ECANCELED: Current coroutine was canceled.
ENOTSUP: The handle does not support this operation.
ETIMEDOUT: Deadline was reached.


int b = bundle();
bundle_go(b, worker());
bundle_go(b, worker());
bundle_go(b, worker());
/* Give wrokers 1 second to finish. */
bundle_wait(b, now() + 1000);
/* Cancel any remaining workers. */
hclose(b);

    

bundle(3) bundle_go(3) bundle_go_mem(3) bundle_mem(3) go(3) go_mem(3) now(3) yield(3)
libdill

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