ancillaries.h

/*
 * Copyright (C) 2013 Philippe Gerum <rpm@xenomai.org>.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
 */
#ifndef _BOILERPLATE_ANCILLARIES_H
#define _BOILERPLATE_ANCILLARIES_H
 
#include <stdarg.h>
#include <time.h>
#include <pthread.h>
#include <sched.h>
#include <string.h>
 
struct error_frame;
 
#define ONE_BILLION  1000000000
 
void __namecpy_requires_character_array_as_destination(void);
 
#define ARRAY_SIZE(a) (sizeof(a) / sizeof(*(a)))
 
#define namecpy(__dst, __src)                                           \
        ({                                                              \
                if (!__builtin_types_compatible_p(typeof(__dst), char[])) \
                        __namecpy_requires_character_array_as_destination();    \
                strncpy((__dst), __src, sizeof(__dst));                 \
                __dst[sizeof(__dst) - 1] = '\0';                        \
                __dst;                                                  \
         })
 
#define early_panic(__fmt, __args...)           \
        __early_panic(__func__, __fmt, ##__args)
 
#define panic(__fmt, __args...)                 \
        __panic(__func__, __fmt, ##__args)
 
#ifdef __cplusplus
extern "C" {
#endif
 
void __printout(const char *name,
                const char *header,
                const char *fmt, va_list ap);
 
void __noreturn __early_panic(const char *fn,
                              const char *fmt, ...);
 
void __noreturn ___panic(const char *fn,
                         const char *name,
                         const char *fmt, va_list ap);
 
void __noreturn __panic(const char *fn,
                        const char *fmt, ...);
 
void __warning(const char *name,
               const char *fmt, va_list ap);
 
void early_warning(const char *fmt, ...);
 
void warning(const char *fmt, ...);
 
void __notice(const char *name,
              const char *fmt, va_list ap);
 
void early_notice(const char *fmt, ...);
 
void notice(const char *fmt, ...);
 
void __boilerplate_init(void);
 
const char *symerror(int errnum);
 
void error_hook(struct error_frame *ef);
 
int get_static_cpu_count(void);
 
int get_online_cpu_set(cpu_set_t *cpuset);
  
int get_realtime_cpu_set(cpu_set_t *cpuset);
 
int get_current_cpu(void);
        
pid_t get_thread_pid(void);
 
char *lookup_command(const char *cmd);
 
size_t get_mem_size(const char *arg);
 
extern const char *config_strings[];
 
extern pthread_mutex_t __printlock;
 
#ifdef __cplusplus
}
#endif
 
#endif /* _BOILERPLATE_ANCILLARIES_H */