minix/include/minix/sysutil.h
2005-08-22 15:23:47 +00:00

51 lines
1.9 KiB
C

#ifndef _EXTRALIB_H
#define _EXTRALIB_H
/* Extra system library definitions to support device drivers and servers.
*
* Created:
* Mar 15, 2004 by Jorrit N. Herder
*
* Changes:
* May 31, 2005: added printf, kputc (relocated from syslib)
* May 31, 2005: added getuptime
* Mar 18, 2005: added tickdelay
* Oct 01, 2004: added env_parse, env_prefix, env_panic
* Jul 13, 2004: added fkey_ctl
* Apr 28, 2004: added report, panic
* Mar 31, 2004: setup like other libraries, such as syslib
*/
/*==========================================================================*
* Miscellaneous helper functions.
*==========================================================================*/
/* Environment parsing return values. */
#define EP_BUF_SIZE 128 /* local buffer for env value */
#define EP_UNSET 0 /* variable not set */
#define EP_OFF 1 /* var = off */
#define EP_ON 2 /* var = on (or field left blank) */
#define EP_SET 3 /* var = 1:2:3 (nonblank field) */
#define EP_EGETKENV 4 /* sys_getkenv() failed ... */
_PROTOTYPE( void env_setargs, (int argc, char *argv[]) );
_PROTOTYPE( int env_get_param, (char *key, char *value, int max_size) );
_PROTOTYPE( int env_prefix, (char *env, char *prefix) );
_PROTOTYPE( void env_panic, (char *key) );
_PROTOTYPE( int env_parse, (char *env, char *fmt, int field, long *param,
long min, long max) );
#define fkey_map(fkeys, sfkeys) fkey_ctl(FKEY_MAP, (fkeys), (sfkeys))
#define fkey_unmap(fkeys, sfkeys) fkey_ctl(FKEY_UNMAP, (fkeys), (sfkeys))
#define fkey_events(fkeys, sfkeys) fkey_ctl(FKEY_EVENTS, (fkeys), (sfkeys))
_PROTOTYPE( int fkey_ctl, (int req, int *fkeys, int *sfkeys) );
_PROTOTYPE( int printf, (const char *fmt, ...));
_PROTOTYPE( void kputc, (int c));
_PROTOTYPE( void report, (char *who, char *mess, int num));
_PROTOTYPE( void panic, (char *who, char *mess, int num));
_PROTOTYPE( int getuptime, (clock_t *ticks));
_PROTOTYPE( int tickdelay, (clock_t ticks));
#endif /* _EXTRALIB_H */