51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
/*
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* Copyright 2011, Ingo Weinhold, ingo_weinhold@gmx.de.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _SYSTEM_USER_TIMER_DEFS_H
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#define _SYSTEM_USER_TIMER_DEFS_H
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#include <limits.h>
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#include <time.h>
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#include <SupportDefs.h>
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#define CLOCK_PROCESS_USER_CPUTIME_ID ((clockid_t)-4)
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/* clock measuring the used user CPU time of the current process */
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// limits
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#define MAX_USER_TIMERS_PER_TEAM _POSIX_TIMER_MAX
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// maximum numbers of user-defined user timers (timer_create())
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#define MAX_USER_TIMER_OVERRUN_COUNT INT_MAX
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// cap value of a timer's overrun counter
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#if MAX_USER_TIMER_OVERRUN_COUNT < _POSIX_DELAYTIMER_MAX
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# error "MAX_USER_TIMER_OVERRUN_COUNT < _POSIX_DELAYTIMER_MAX"
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#endif
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#define USER_TIMER_REAL_TIME_ID 0
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// predefined ID for the real time timer
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#define USER_TIMER_TEAM_TOTAL_TIME_ID 1
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// predefined ID for the team's total (kernel + user) time timer
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#define USER_TIMER_TEAM_USER_TIME_ID 2
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// predefined ID for the team's user time timer
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#define USER_TIMER_FIRST_USER_DEFINED_ID 3
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// first ID assigned to a user-defined timer (timer_create())
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// _kern_create_user_timer() flag:
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#define USER_TIMER_SIGNAL_THREAD 0x01
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// send the signal to the thread instead of the team (valid only for thread
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// timers)
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struct user_timer_info {
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bigtime_t remaining_time;
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bigtime_t interval;
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uint32 overrun_count;
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};
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#endif /* _SYSTEM_USER_TIMER_DEFS_H */
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