this change
   - makes panic() variadic, doing full printf() formatting -
     no more NO_NUM, and no more separate printf() statements
     needed to print extra info (or something in hex) before panicing
   - unifies panic() - same panic() name and usage for everyone -
     vm, kernel and rest have different names/syntax currently
     in order to implement their own luxuries, but no longer
   - throws out the 1st argument, to make source less noisy.
     the panic() in syslib retrieves the server name from the kernel
     so it should be clear enough who is panicing; e.g.
         panic("sigaction failed: %d", errno);
     looks like:
         at_wini(73130): panic: sigaction failed: 0
         syslib:panic.c: stacktrace: 0x74dc 0x2025 0x100a
   - throws out report() - printf() is more convenient and powerful
   - harmonizes/fixes the use of panic() - there were a few places
     that used printf-style formatting (didn't work) and newlines
     (messes up the formatting) in panic()
   - throws out a few per-server panic() functions
   - cleans up a tie-in of tty with panic()
merging printf() and panic() statements to be done incrementally.
		
	
			
		
			
				
	
	
		
			92 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			92 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
#ifndef _MINIX_SYSUTIL_H
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#define _MINIX_SYSUTIL_H 1
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#include <minix/ipc.h>
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/* Extra system library definitions to support device drivers and servers.
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 *
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 * Created:
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 *	Mar 15, 2004 by Jorrit N. Herder
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 *
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 * Changes:
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 *	May 31, 2005: added printf, kputc (relocated from syslib)
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 *	May 31, 2005: added getuptime
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 *	Mar 18, 2005: added tickdelay
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 *	Oct 01, 2004: added env_parse, env_prefix, env_panic
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 *	Jul 13, 2004: added fkey_ctl
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 *	Apr 28, 2004: added report, panic 
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 *	Mar 31, 2004: setup like other libraries, such as syslib
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 */
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/*==========================================================================* 
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 * Miscellaneous helper functions.
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 *==========================================================================*/ 
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/* Environment parsing return values. */
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#define EP_BUF_SIZE   128	/* local buffer for env value */
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#define EP_UNSET	0	/* variable not set */
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#define EP_OFF		1	/* var = off */
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#define EP_ON		2	/* var = on (or field left blank) */
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#define EP_SET		3	/* var = 1:2:3 (nonblank field) */
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#define EP_EGETKENV	4	/* sys_getkenv() failed ... */
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_PROTOTYPE( void env_setargs, (int argc, char *argv[])		        );
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_PROTOTYPE( int env_get_param, (char *key, char *value, int max_size)	);
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_PROTOTYPE( int env_prefix, (char *env, char *prefix)			);
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_PROTOTYPE( void env_panic, (char *key)					);
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_PROTOTYPE( int env_parse, (char *env, char *fmt, int field, long *param,
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				long min, long max)			);
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#define fkey_map(fkeys, sfkeys) fkey_ctl(FKEY_MAP, (fkeys), (sfkeys))
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#define fkey_unmap(fkeys, sfkeys) fkey_ctl(FKEY_UNMAP, (fkeys), (sfkeys))
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#define fkey_events(fkeys, sfkeys) fkey_ctl(FKEY_EVENTS, (fkeys), (sfkeys))
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_PROTOTYPE( int fkey_ctl, (int req, int *fkeys, int *sfkeys)		);
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_PROTOTYPE( int printf, (const char *fmt, ...));
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_PROTOTYPE( void kputc, (int c));
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_PROTOTYPE( void panic, (const char *fmt, ...));
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_PROTOTYPE( int getuptime, (clock_t *ticks));
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_PROTOTYPE( int getuptime2, (clock_t *ticks, time_t *boottime));
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_PROTOTYPE( int tickdelay, (clock_t ticks));
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_PROTOTYPE( int tsc_calibrate, (void));
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_PROTOTYPE( u32_t sys_hz, (void));
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_PROTOTYPE( double getidle, (void));
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_PROTOTYPE( void util_stacktrace, (void));
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_PROTOTYPE( void util_nstrcat, (char *str, unsigned long n) );
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_PROTOTYPE( void util_stacktrace_strcat, (char *));
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_PROTOTYPE( int micro_delay, (u32_t micros));
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_PROTOTYPE( u32_t tsc_64_to_micros, (u64_t tsc));
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_PROTOTYPE( u32_t tsc_to_micros, (u32_t low, u32_t high));
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_PROTOTYPE( u32_t micros_to_ticks, (u32_t micros));
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_PROTOTYPE( void ser_putc, (char c));
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_PROTOTYPE( void get_randomness, (struct k_randomness *, int));
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#define asynsend(ep, msg) asynsend3(ep, msg, 0)
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_PROTOTYPE( int asynsend3, (endpoint_t ep, message *msg, int flags));
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#define ASSERT(c) if(!(c)) { panic("%s:%d: assert %s failed", __FILE__, __LINE__, #c); }
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/* timing library */
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#define TIMING_CATEGORIES       20
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#define TIMING_POINTS           20      /* timing resolution */
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#define TIMING_CATEGORIES       20
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#define TIMING_NAME             10
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struct util_timingdata {
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        char names[TIMING_NAME];
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        unsigned long lock_timings[TIMING_POINTS]; 
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        unsigned long lock_timings_range[2];
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        unsigned long binsize, resets, misses, measurements;
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	unsigned long starttimes[2];	/* nonzero if running */
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};
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typedef struct util_timingdata util_timingdata_t;
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/* read_tsc() and friends. */
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_PROTOTYPE( void read_tsc_64, (u64_t *t)				);
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_PROTOTYPE( void read_tsc, (u32_t *hi, u32_t *lo)			);
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#endif /* _MINIX_SYSUTIL_H */
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