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60994334fe
* Add coro::mutex example to readme * explicit lock_operation ctor * lock_operation await_ready() uses try_lock This allows for the lock operation to skip await_suspend() entirely if the lock was unlocked.
26 lines
993 B
C++
26 lines
993 B
C++
#include <coro/coro.hpp>
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#include <iostream>
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int main()
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{
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coro::event e;
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// These tasks will wait until the given event has been set before advancing.
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auto make_wait_task = [](const coro::event& e, uint64_t i) -> coro::task<void> {
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std::cout << "task " << i << " is waiting on the event...\n";
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co_await e;
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std::cout << "task " << i << " event triggered, now resuming.\n";
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co_return;
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};
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// This task will trigger the event allowing all waiting tasks to proceed.
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auto make_set_task = [](coro::event& e) -> coro::task<void> {
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std::cout << "set task is triggering the event\n";
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e.set();
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co_return;
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};
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// Given more than a single task to synchronously wait on, use when_all() to execute all the
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// tasks concurrently on this thread and then sync_wait() for them all to complete.
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coro::sync_wait(coro::when_all(make_wait_task(e, 1), make_wait_task(e, 2), make_wait_task(e, 3), make_set_task(e)));
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}
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