/*!
* \file
* <!--
- * Copyright 2004 Develer S.r.l. (http://www.develer.com/)
+ * Copyright 2004, 2005 Develer S.r.l. (http://www.develer.com/)
* This file is part of DevLib - See README.devlib for information.
* -->
*
/*#*
*#* $Log$
+ *#* Revision 1.5 2005/11/27 23:32:42 bernie
+ *#* Add CPU fallback for OS_ID.
+ *#*
+ *#* Revision 1.4 2005/11/27 03:07:13 bernie
+ *#* IRQ_SAVE_DISABLE(): Really block signals.
+ *#*
+ *#* Revision 1.3 2005/11/27 03:02:40 bernie
+ *#* Add POSIX emulation for IRQ_* macros; Add Qt support.
+ *#*
*#* Revision 1.2 2005/11/04 16:20:01 bernie
*#* Fix reference to README.devlib in header.
*#*
#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 __unix__
#define OS_UNIX 1
#define OS_POSIX 1 /* Not strictly UNIX, but no way to autodetect it. */
- #define OS_ID unix
+ #define OS_ID posix
+
+ /*
+ * The POSIX moral equivalent of disabling IRQs is disabling signals.
+ */
+ #define _XOPEN_SOURCE 600 /* Avoid BSDish stuff */
+ #undef _GNU_SOURCE /* This implies _BSD_SOURCE and is predefined on Linux. */
+ #include <signal.h>
+ typedef sigset_t cpuflags_t;
+ #define IRQ_DISABLE \
+ do { \
+ sigset_t sigs; \
+ sigfillset(&sigs); \
+ sigprocmask(SIG_BLOCK, &sigs, NULL); \
+ } while (0)
+
+ #define IRQ_ENABLE \
+ do { \
+ sigset_t sigs; \
+ sigemptyset(&sigs); \
+ sigprocmask(SIG_UNBLOCK, &sigs, NULL); \
+ } while (0)
+
+ #define IRQ_SAVE_DISABLE(old_sigs) \
+ do { \
+ sigset_t sigs; \
+ sigemptyset(&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
/*
- * Summarize hosted environments as OS_HOSTED.
+ * 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 OS_WIN32 || OS_UNIX
- #define OS_HOSTED 1
+#if defined(_QT)
+ #define OS_QT 1
+ #undef OS_ID
+ #define OS_ID qt
#else
- #define OS_HOSTED 0
+ #define OS_QT 0
#endif
/*
- * Summarize embedded environments as OS_EMBEDDED.
+ * Summarize hosted environments as OS_HOSTED and embedded
+ * environment with OS_EMBEDDED.
*/
-#if CPU_AVR || CPU_DSP56K || CPU_I196 || defined(__embedded__)
- #define OS_EMBEDDED 1
+#if OS_WIN32 || OS_UNIX
+ #define OS_HOSTED 1
+ #define OS_EMBEDDED 0
#else
- #define OS_EMBEDDED 0
-#endif
+ #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 CPU_I196 + CPU_X86 + CPU_DSP56K + CPU_AVR == 0
- #error Unknown CPU
-#endif
#if !defined(OS_ID)
#error OS_ID not defined
#endif