genode/repos/libports/src/lib/libc/pthread_create.cc

73 lines
1.8 KiB
C++

/*
* \brief pthread_create implementation
* \author Christian Prochaska
* \date 2012-03-12
*
* Purpose of a single file for pthread_create is that other application may
* easily replace this implementation with another one.
*/
/*
* Copyright (C) 2012-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
/* libc includes */
#include <libc/allocator.h>
#include <errno.h>
/* libc-internal includes */
#include <internal/thread_create.h>
#include <internal/pthread.h>
int Libc::pthread_create(pthread_t *thread,
void *(*start_routine) (void *), void *arg,
size_t stack_size, char const * name,
Genode::Cpu_session * cpu, Genode::Affinity::Location location)
{
Libc::Allocator alloc { };
pthread_t thread_obj = new (alloc)
pthread(start_routine, arg,
stack_size, name, cpu, location);
if (!thread_obj)
return EAGAIN;
*thread = thread_obj;
thread_obj->start();
return 0;
}
int Libc::pthread_create(pthread_t *thread, Genode::Thread &t)
{
Libc::Allocator alloc { };
pthread_t thread_obj = new (alloc) pthread(t);
if (!thread_obj)
return EAGAIN;
*thread = thread_obj;
return 0;
}
extern "C"
{
int pthread_create(pthread_t *thread, const pthread_attr_t *attr,
void *(*start_routine) (void *), void *arg)
{
size_t const stack_size = (attr && *attr && (*attr)->stack_size)
? (*attr)->stack_size
: Libc::Component::stack_size();
return Libc::pthread_create(thread, start_routine, arg, stack_size,
"pthread", nullptr,
Genode::Affinity::Location());
}
}