graphene/Pal/test/Yield.c

/* -*- mode:c; c-file-style:"k&r"; c-basic-offset: 4; tab-width:4; indent-tabs-mode:nil; mode:auto-fill; fill-column:78; -*- */
/* vim: set ts=4 sw=4 et tw=78 fo=cqt wm=0: */

#include "pal.h"
#include "pal_debug.h"

PAL_HANDLE parent_thread, child_thread;

int child (void * args)
{
    int i;
    pal_printf("Enter Child Thread\n");

    for (i = 0 ; i < 100 ; i++) {
        DkThreadDelayExecution(3000);
        DkThreadResume(parent_thread);
        pal_printf("parent yielded\n");
    }

    pal_printf("Leave Child Thread\n");
    return 0;
}

int main (void)
{
    int i;
    pal_printf("Enter Parent Thread\n");

    parent_thread = pal_control.first_thread;
    child_thread = DkThreadCreate(&child, NULL, 0);

    if (child_thread == NULL) {
        pal_printf("DkThreadCreate failed\n");
        return -1;
    }

    for (i = 0 ; i < 100 ; i++) {
        DkThreadDelayExecution(3000);
        DkThreadResume(child_thread);
        pal_printf("child yielded\n");
    }

    pal_printf("Leave Parent Thread\n");
    return 0;
}