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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qglobal.h"
#ifdef Q_OS_VXWORKS
#include "qplatformdefs.h"
#include "qfunctions_vxworks.h"
#include <vmLib.h>
#include <selectLib.h>
#include <ioLib.h>
QT_USE_NAMESPACE
#ifdef __cplusplus
extern "C" {
#endif
// no lfind() - used by the TIF image format
void *lfind(const void* key, const void* base, size_t* elements, size_t size,
int (*compare)(const void*, const void*))
{
const char* current = (char*) base;
const char* const end = (char*) (current + (*elements) * size);
while (current != end) {
if (compare(current, key) == 0)
return (void*)current;
current += size;
}
return 0;
}
// no rand_r(), but rand()
// NOTE: this implementation is wrong for multi threaded applications,
// but there is no way to get it right on VxWorks (in kernel mode)
int rand_r(unsigned int * /*seedp*/)
{
return rand();
}
// no usleep() support
int usleep(unsigned int usec)
{
div_t dt = div(usec, 1000000);
struct timespec ts = { dt.quot, dt.rem * 1000 };
return nanosleep(&ts, 0);
}
// gettimeofday() is declared, but is missing from the library
// It IS however defined in the Curtis-Wright X11 libraries, so
// we have to make the symbol 'weak'
#if defined(Q_CC_DIAB)
# pragma weak gettimeofday
#endif
int gettimeofday(struct timeval *tv, void /*struct timezone*/ *)
{
// the compiler will optimize this and will only use one code path
if (sizeof(struct timeval) == sizeof(struct timespec)) {
int res = clock_gettime(CLOCK_REALTIME, (struct timespec *) tv);
if (!res)
tv->tv_usec /= 1000;
return res;
} else {
struct timespec ts;
int res = clock_gettime(CLOCK_REALTIME, &ts);
if (!res) {
tv->tv_sec = ts.tv_sec;
tv->tv_usec = ts.tv_nsec / 1000;
}
return res;
}
}
// neither getpagesize() or sysconf(_SC_PAGESIZE) are available
int getpagesize()
{
return vmPageSizeGet();
}
// symlinks are not supported (lstat is now just a call to stat - see qplatformdefs.h)
int symlink(const char *, const char *)
{
errno = EIO;
return -1;
}
ssize_t readlink(const char *, char *, size_t)
{
errno = EIO;
return -1;
}
// there's no truncate(), but ftruncate() support...
int truncate(const char *path, off_t length)
{
int fd = open(path, O_WRONLY, 00777);
if (fd >= 0) {
int res = ftruncate(fd, length);
int en = errno;
close(fd);
errno = en;
return res;
}
// errno is already set by open
return -1;
}
// VxWorks doesn't know about passwd & friends.
// in order to avoid patching the unix fs path everywhere
// we introduce some dummy functions that simulate a single
// 'root' user on the system.
uid_t getuid()
{
return 0;
}
gid_t getgid()
{
return 0;
}
uid_t geteuid()
{
return 0;
}
struct passwd *getpwuid(uid_t uid)
{
static struct passwd pwbuf = { "root", 0, 0, 0, 0, 0, 0 };
if (uid == 0) {
return &pwbuf;
} else {
errno = ENOENT;
return 0;
}
}
struct group *getgrgid(gid_t gid)
{
static struct group grbuf = { "root", 0, 0, 0 };
if (gid == 0) {
return &grbuf;
} else {
errno = ENOENT;
return 0;
}
}
#ifdef __cplusplus
} // extern "C"
#endif
#endif // Q_OS_VXWORKS
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