62 lines
1.4 KiB
C++
62 lines
1.4 KiB
C++
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/*
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* \brief Virtualbox adjusted pthread_create implementation
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* \author Alexander Boettcher
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* \date 2014-04-09
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*/
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/*
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* Copyright (C) 2014 Genode Labs GmbH
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*
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* This file is distributed under the terms of the GNU General Public License
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* version 2.
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*/
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/* Genode */
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#include <base/printf.h>
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#include <base/thread.h>
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#include <base/env.h>
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/* Genode libc pthread binding */
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#include "thread.h"
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/* libc */
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#include <pthread.h>
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#include <errno.h>
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/* vbox */
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#include <internal/thread.h>
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extern "C" {
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int pthread_create(pthread_t *thread, const pthread_attr_t *attr,
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void *(*start_routine) (void *), void *arg)
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{
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PRTTHREADINT rtthread = reinterpret_cast<PRTTHREADINT>(arg);
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Assert(rtthread);
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size_t stack_size = Genode::Native_config::context_virtual_size() -
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sizeof(Genode::Native_utcb) - 2 * (1UL << 12);
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if (rtthread->cbStack < stack_size)
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stack_size = rtthread->cbStack;
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else
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PWRN("requested stack for thread '%s' of %zu Bytes is too large, "
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"limit to %zu Bytes", rtthread->szName, rtthread->cbStack,
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stack_size);
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pthread_t thread_obj = new (Genode::env()->heap())
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pthread(attr ? *attr : 0, start_routine,
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arg, stack_size, rtthread->szName, nullptr);
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if (!thread_obj)
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return EAGAIN;
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*thread = thread_obj;
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thread_obj->start();
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return 0;
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}
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}
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