/* the special case to remove a specific tasklet */
PyTaskletObject *
slp_channel_remove(PyChannelObject *channel,
PyTaskletObject *task,
int *dir_out,
PyTaskletObject **next)
{
/* note: we assume that the task is in the channel! */
int dir = channel->balance > 0 ? 1 : -1;
assert(channel->balance);
if (task) {
assert(PyTasklet_Check(task));
assert(slp_channel_has_tasklet(channel, task));
} else {
task = channel->head;
assert(PyTasklet_Check(task));
}
if (dir_out)
*dir_out = dir;
if (next)
*next = task->next;
channel->balance -= dir;
SLP_HEADCHAIN_REMOVE(task, next, prev);
task->flags.blocked = 0;
return task;
}
PyTaskletObject *
slp_channel_remove_specific(PyChannelObject *channel, int dir,
PyTaskletObject *task)
{
/* note: we assume that the task is in the channel! */
assert(PyTasklet_Check(task));
channel->balance -= dir;
SLP_HEADCHAIN_REMOVE(task, next, prev);
task->flags.blocked = 0;
return task;
}
PyTaskletObject *
slp_channel_remove(PyChannelObject *channel, int dir)
{
PyTaskletObject *ret = channel->head;
assert(PyTasklet_Check(ret));
channel->balance -= dir;
SLP_HEADCHAIN_REMOVE(ret, next, prev);
ret->flags.blocked = 0;
return ret;
};
