45 lines
986 B
C
45 lines
986 B
C
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#pragma once
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#include "../main.h"
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#include "../util/vector.h"
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#include <stdint.h>
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#include <stdbool.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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// Condition is a waiting condition.
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typedef struct {
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vector_Vector *threads; // threads waiting on the condition
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} smp_Condition;
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// Create allocates a new, empty Condition.
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smp_Condition *smp_Condition_Create();
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void smp_Condition_Destroy(smp_Condition *con);
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// Wait waits until the condition is notified.
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//
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// The returned data is (for now) useless.
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void *smp_Condition_Wait(smp_Condition *con);
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// NotifyOne unblocks (at most) one waiting thread.
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//
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// The data is (for now) not sent.
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//
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// If there are actually threads waiting, true is returned.
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bool smp_Condition_NotifyOne(smp_Condition *con, void *data);
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// NotifyAll unblocks all waiting threads.
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//
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// The data is (for now) not sent.
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//
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// Returns the number of threads unblocked.
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int smp_Condition_NotifyAll(smp_Condition *con, void *data);
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#ifdef __cplusplus
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}
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#endif
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