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vbox: implement pthread_create specifically

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Issue #1114
This commit is contained in:
Alexander Boettcher 2014-04-09 15:24:55 +02:00 committed by Christian Helmuth
parent 0c08334b2c
commit 0eef45e63f
2 changed files with 63 additions and 1 deletions
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3
ports/src/virtualbox/target.mk
View File

@ -5,7 +5,7 @@ include $(REP_DIR)/lib/mk/virtualbox-common.inc
TARGET = virtualbox
SRC_CC = main.cc cxx_dummies.cc devices.cc drivers.cc dummies.cc libc.cc \
logger.cc mm.cc pdm.cc pgm.cc rt.cc sup.cc iommio.cc ioport.cc \
hwaccm.cc
hwaccm.cc thread.cc
LIBS += base
LIBS += config_args
@ -16,6 +16,7 @@ LIBS += virtualbox-bios virtualbox-recompiler virtualbox-runtime \
virtualbox-hwaccl virtualbox-dis
INC_DIR += $(call select_from_repositories,src/lib/libc)
INC_DIR += $(call select_from_repositories,src/lib/pthread)
INC_DIR += $(VBOX_DIR)/Runtime/include
INC_DIR += $(VBOX_DIR)/Frontends/VBoxBFE

61
ports/src/virtualbox/thread.cc Normal file
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@ -0,0 +1,61 @@
/*
* \brief Virtualbox adjusted pthread_create implementation
* \author Alexander Boettcher
* \date 2014-04-09
*/
/*
* Copyright (C) 2014 Genode Labs GmbH
*
* This file is distributed under the terms of the GNU General Public License
* version 2.
*/
/* Genode */
#include <base/printf.h>
#include <base/thread.h>
#include <base/env.h>
/* Genode libc pthread binding */
#include "thread.h"
/* libc */
#include <pthread.h>
#include <errno.h>
/* vbox */
#include <internal/thread.h>
extern "C" {
int pthread_create(pthread_t *thread, const pthread_attr_t *attr,
void *(*start_routine) (void *), void *arg)
{
PRTTHREADINT rtthread = reinterpret_cast<PRTTHREADINT>(arg);
Assert(rtthread);
size_t stack_size = Genode::Native_config::context_virtual_size() -
sizeof(Genode::Native_utcb) - 2 * (1UL << 12);
if (rtthread->cbStack < stack_size)
stack_size = rtthread->cbStack;
else
PWRN("requested stack for thread '%s' of %zu Bytes is too large, "
"limit to %zu Bytes", rtthread->szName, rtthread->cbStack,
stack_size);
pthread_t thread_obj = new (Genode::env()->heap())
pthread(attr ? *attr : 0, start_routine,
arg, stack_size, rtthread->szName, nullptr);
if (!thread_obj)
return EAGAIN;
*thread = thread_obj;
thread_obj->start();
return 0;
}
}