include/nucleus/types.h

00001 /*
00002  * Copyright (C) 2001,2002,2003 Philippe Gerum <rpm@xenomai.org>.
00003  *
00004  * Xenomai is free software; you can redistribute it and/or modify
00005  * it under the terms of the GNU General Public License as published
00006  * by the Free Software Foundation; either version 2 of the License,
00007  * or (at your option) any later version.
00008  *
00009  * Xenomai is distributed in the hope that it will be useful, but
00010  * WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  * General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU General Public License
00015  * along with Xenomai; if not, write to the Free Software
00016  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
00017  * 02111-1307, USA.
00018  */
00019 
00020 #ifndef _XENO_NUCLEUS_TYPES_H
00021 #define _XENO_NUCLEUS_TYPES_H
00022 
00023 #ifdef __KERNEL__
00024 #include <linux/errno.h>
00025 #ifdef CONFIG_PREEMPT_RT
00026 #define linux_semaphore compat_semaphore
00027 #else /* CONFIG_PREEMPT_RT */
00028 #define linux_semaphore semaphore
00029 #endif /* !CONFIG_PREEMPT_RT */
00030 #else /* !__KERNEL__ */
00031 #include <sys/types.h>
00032 #include <errno.h>
00033 #ifndef BITS_PER_LONG
00034 #include <stdint.h>
00035 #define BITS_PER_LONG __WORDSIZE
00036 #endif /* !BITS_PER_LONG */
00037 #endif /* __KERNEL__ */
00038 
00039 #include <asm/xenomai/system.h>
00040 #include <nucleus/compiler.h>
00041 #include <nucleus/assert.h>
00042 
00043 #if BITS_PER_LONG == 32
00044 #define __natural_word_type int
00045 #else  /* defaults to long otherwise */
00046 #define __natural_word_type long
00047 #endif
00048 
00049 typedef unsigned long xnsigmask_t;
00050 
00051 typedef unsigned long long xnticks_t;
00052 
00053 typedef long long xnsticks_t;
00054 
00055 typedef unsigned long long xntime_t; /* ns */
00056 
00057 typedef long long xnstime_t;
00058 
00059 typedef unsigned long xnhandle_t;
00060 
00061 #define XN_NO_HANDLE ((xnhandle_t)0)
00062 
00063 struct xnintr;
00064 
00065 typedef int (*xnisr_t)(struct xnintr *intr);
00066 
00067 typedef int (*xniack_t)(unsigned irq);
00068 
00069 #define XN_INFINITE   (0)
00070 #define XN_NONBLOCK   ((xnticks_t)-1)
00071 
00072 /* Timer modes */
00073 typedef enum xntmode {
00074         XN_RELATIVE,
00075         XN_ABSOLUTE,
00076         XN_REALTIME
00077 } xntmode_t;
00078 
00079 #define XN_APERIODIC_TICK  0
00080 #define XN_NO_TICK         ((xnticks_t)-1)
00081 
00082 #define testbits(flags,mask) ((flags) & (mask))
00083 #define setbits(flags,mask)  xnarch_atomic_set_mask(&(flags),mask)
00084 #define clrbits(flags,mask)  xnarch_atomic_clear_mask(&(flags),mask)
00085 #define __testbits(flags,mask) testbits(flags,mask)
00086 #define __setbits(flags,mask)  do { (flags) |= (mask); } while(0)
00087 #define __clrbits(flags,mask)  do { (flags) &= ~(mask); } while(0)
00088 
00089 typedef atomic_flags_t xnflags_t;
00090 
00091 #ifndef NULL
00092 #define NULL 0
00093 #endif
00094 
00095 #define XNOBJECT_NAME_LEN 32
00096 
00097 static inline void xnobject_copy_name(char *dst, const char *src)
00098 {
00099     if (src)
00100         strncpy(dst, src, XNOBJECT_NAME_LEN);
00101     else
00102         *dst = '\0';
00103 }
00104 
00105 #define xnobject_create_name(dst, n, obj) \
00106     snprintf(dst, n, "%p", obj)
00107 
00108 #define minval(a,b) ((a) < (b) ? (a) : (b))
00109 #define maxval(a,b) ((a) > (b) ? (a) : (b))
00110 
00111 #ifdef __cplusplus
00112 extern "C" {
00113 #endif
00114 
00115 const char *xnpod_fatal_helper(const char *format, ...);
00116 
00117 int __xeno_user_init(void);
00118 
00119 void __xeno_user_exit(void);
00120 
00121 #ifdef __cplusplus
00122 }
00123 #endif
00124 
00125 #define xnprintf(fmt,args...)  xnarch_printf(fmt , ##args)
00126 #define xnloginfo(fmt,args...) xnarch_loginfo(fmt , ##args)
00127 #define xnlogwarn(fmt,args...) xnarch_logwarn(fmt , ##args)
00128 #define xnlogerr(fmt,args...)  xnarch_logerr(fmt , ##args)
00129 
00130 #define xnpod_fatal(format,args...) \
00131 do { \
00132     const char *panic; \
00133     xnarch_trace_panic_freeze(); \
00134     panic = xnpod_fatal_helper(format,##args); \
00135     xnarch_halt(panic); \
00136 } while (0)
00137 
00138 #ifdef __XENO_SIM__
00139 #define SKIN_INIT(name)  __xeno_skin_init(void)
00140 #define SKIN_EXIT(name)  __xeno_skin_exit(void)
00141 #else /* !__XENO_SIM__ */
00142 #define SKIN_INIT(name)  __ ## name ## _skin_init(void)
00143 #define SKIN_EXIT(name)  __ ## name ## _skin_exit(void)
00144 #endif /* __XENO_SIM__ */
00145 
00146 #define root_thread_init __xeno_user_init
00147 #define root_thread_exit __xeno_user_exit
00148 
00149 #endif /* !_XENO_NUCLEUS_TYPES_H */

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