63 lines
1.3 KiB
C++
63 lines
1.3 KiB
C++
/*
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* \brief Test for performing IPC from a pthread created outside of Genode
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* \author Norman Feske
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* \date 2011-12-20
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*/
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/*
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* Copyright (C) 2011 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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/* Genode includes */
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#include <base/thread.h>
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#include <base/printf.h>
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/* libc includes */
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#include <pthread.h>
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static Genode::Lock *main_wait_lock()
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{
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static Genode::Lock inst(Genode::Lock::LOCKED);
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return &inst;
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}
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static void *pthread_entry(void *)
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{
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PINF("first message");
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/*
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* Without the lazy initialization of 'Thread_base' objects for threads
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* created w/o Genode's Thread API, the printing of the first message will
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* never return because the IPC reply could not be delivered.
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*
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* With the on-demand creation of 'Thread_base' objects, the second message
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* will appear in the LOG output.
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*/
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PINF("second message");
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main_wait_lock()->unlock();
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return 0;
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}
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int main(int, char **)
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{
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Genode::printf("--- pthread IPC test ---\n");
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/* create thread w/o Genode's thread API */
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pthread_t pth;
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pthread_create(&pth, 0, pthread_entry, 0);
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/* wait until 'pthread_entry' finished */
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main_wait_lock()->lock();
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Genode::printf("--- finished pthread IPC test ---\n");
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return 0;
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}
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