-/**
- * \file
- * <!--
- * This file is part of BeRTOS.
- *
- * Bertos is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * As a special exception, you may use this file as part of a free software
- * library without restriction. Specifically, if other files instantiate
- * templates or use macros or inline functions from this file, or you compile
- * this file and link it with other files to produce an executable, this
- * file does not by itself cause the resulting executable to be covered by
- * the GNU General Public License. This exception does not however
- * invalidate any other reasons why the executable file might be covered by
- * the GNU General Public License.
- *
- * Copyright 2004, 2005 Develer S.r.l. (http://www.develer.com/)
- *
- * -->
- *
- * \brief OS-specific definitions
- *
- * \version $Id$
- *
- * \author Bernardo Innocenti <bernie@develer.com>
- */
-
-#ifndef DEVLIB_OS_H
-#define DEVLIB_OS_H
-
-/** Macro to include OS-specific versions of the headers. */
-#define OS_HEADER(module) PP_STRINGIZE(PP_CAT3(module, _, OS_ID).h)
-#define OS_CSOURCE(module) PP_STRINGIZE(PP_CAT3(module, _, OS_ID).c)
-
-/*
- * OS autodetection (Some systems trigger multiple OS definitions)
- */
-#ifdef _WIN32
- #define OS_WIN32 1
- #define OS_ID win32
-
- // FIXME: Maybe disable Win32 exceptions?
- typedef int cpuflags_t;
- #define IRQ_DISABLE /* FIXME */
- #define IRQ_ENABLE /* FIXME */
- #define IRQ_SAVE_DISABLE(old_sigs) /* FIXME */
- #define IRQ_RESTORE(old_sigs) /* FIXME */
-
-#else
- #define OS_WIN32 0
-#endif
-
-#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
- #define OS_UNIX 1
- #define OS_POSIX 1 /* Not strictly UNIX, but no way to autodetect it. */
- #define OS_ID posix
-
- /*
- * The POSIX moral equivalent of disabling IRQs is disabling signals.
- */
- #include <signal.h>
- typedef sigset_t cpuflags_t;
-
- #define SET_ALL_SIGNALS(sigs) \
- do { \
- sigfillset(&sigs); \
- sigdelset(&sigs, SIGINT); \
- sigdelset(&sigs, SIGSTOP); \
- sigdelset(&sigs, SIGCONT); \
- } while(0)
-
- #define IRQ_DISABLE \
- do { \
- sigset_t sigs; \
- SET_ALL_SIGNALS(sigs); \
- sigprocmask(SIG_BLOCK, &sigs, NULL); \
- } while (0)
-
- #define IRQ_ENABLE \
- do { \
- sigset_t sigs; \
- SET_ALL_SIGNALS(sigs); \
- sigprocmask(SIG_UNBLOCK, &sigs, NULL); \
- } while (0)
-
- #define IRQ_SAVE_DISABLE(old_sigs) \
- do { \
- sigset_t sigs; \
- SET_ALL_SIGNALS(sigs); \
- sigprocmask(SIG_BLOCK, &sigs, &old_sigs); \
- } while (0)
-
- #define IRQ_RESTORE(old_sigs) \
- do { \
- sigprocmask(SIG_SETMASK, &old_sigs, NULL); \
- } while (0)
-#else
- #define OS_UNIX 0
- #define OS_POSIX 0
-#endif
-
-#ifdef __linux__
- #define OS_LINUX 1
-#else
- #define OS_LINUX 0
-#endif
-
-#if defined(__APPLE__) && defined(__MACH__)
- #define OS_DARWIN 1
-#else
- #define OS_DARWIN 0
-#endif
-
-/*
- * We want Qt and other frameworks to look like OSes because you would
- * tipically want their portable abstractions if you're using one of these.
- */
-#if defined(_QT)
- #define OS_QT 1
- #undef OS_ID
- #define OS_ID qt
-#else
- #define OS_QT 0
-#endif
-
-/*
- * Summarize hosted environments as OS_HOSTED and embedded
- * environment with OS_EMBEDDED.
- */
-#if OS_WIN32 || OS_UNIX || OS_DARWIN || OS_QT
- #define OS_HOSTED 1
- #define OS_EMBEDDED 0
-#else
- #define OS_HOSTED 0
- #define OS_EMBEDDED 1
-
- /* Embedded environments fall back to CPU-specific code. */
- #define OS_ID CPU_ID
-#endif
-
-/* Self-check for the detection */
-#if !defined(OS_ID)
- #error OS_ID not defined
-#endif
-#if OS_HOSTED && OS_EMBEDDED
- #error Both hosted and embedded OS environment
-#endif
-#if !OS_HOSTED && !OS_EMBEDDED
- #error Neither hosted nor embedded OS environment
-#endif
-
-#endif /* DEVLIB_OS_H */