root/Whitix/trunk/kernel/completion.c

#include <completion.h>
#include <module.h>
#include <task.h>
#include <wait.h>

inline int CompletionIsDone(struct Completion* comp)
{
        return comp->done;
}

SYMBOL_EXPORT(CompletionIsDone);

int CompletionWaitEx(struct Completion* comp, int timeout)
{
        if (!comp->done)
        {
                /* FIXME: Add timeout. */
                WAIT_ON(&comp->waitQueue, CompletionIsDone(comp));
        }
        
        comp->done--;
        
        return 0;
}

SYMBOL_EXPORT(CompletionWaitEx);

void CompletionDone(struct Completion* comp)
{
        DWORD flags;

        IrqSaveFlags(flags);

        comp->done++;
        WakeUpAll(&comp->waitQueue);

        IrqRestoreFlags(flags);
}

SYMBOL_EXPORT(CompletionDone);