genode/base-linux/src/core/platform_thread.cc
2011-12-22 16:19:25 +01:00

87 lines
1.8 KiB
C++

/*
* \brief Linux-specific platform thread implementation
* \author Norman Feske
* \date 2007-10-15
*/
/*
* Copyright (C) 2007-2011 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
/* Genode includes */
#include <util/token.h>
#include <util/misc_math.h>
#include <base/printf.h>
/* local includes */
#include "platform_thread.h"
/* Linux syscall helper */
#include <linux_syscalls.h>
using namespace Genode;
typedef Token<Scanner_policy_identifier_with_underline> Tid_token;
Platform_thread::Platform_thread(const char *name, unsigned)
{
/* search for thread-id portion of thread name */
Tid_token tok(name);
while (tok.type() != Tid_token::END && tok[0] != ':')
tok = tok.next();
/* tok points at the colon separator, next token is the id */
tok = tok.next();
if (tok.type() == Tid_token::END) {
PWRN("Invalid format of thread name.");
return;
}
/* convert string to thread id */
ascii_to(tok.start(), &_tid);
/* search for process-id portion of thread name */
while (tok.type() != Tid_token::END && tok[0] != ':')
tok = tok.next();
/* tok points at the colon separator, next token is the id */
tok = tok.next();
if (tok.type() == Tid_token::END) {
PWRN("Invalid format of thread name.");
return;
}
/* convert string to process id */
ascii_to(tok.start(), &_pid);
/* initialize private members */
size_t name_len = tok.start() - name;
strncpy(_name, name, min(sizeof(_name), name_len));
}
void Platform_thread::cancel_blocking()
{
PDBG("send cancel-blocking signal to %ld\n", _tid);
lx_tgkill(_pid, _tid, LX_SIGUSR1);
}
void Platform_thread::pause()
{
PDBG("not implemented");
}
void Platform_thread::resume()
{
PDBG("not implemented");
}