| [23] | 1 | /* |
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| 2 | * time.h: thread time related management |
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| 3 | * |
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| 4 | * Copyright (c) 2008,2009,2010,2011,2012 Ghassan Almaless |
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| 5 | * Copyright (c) 2011,2012 UPMC Sorbonne Universites |
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| 6 | * |
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| 7 | * This file is part of ALMOS-kernel. |
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| 8 | * |
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| 9 | * ALMOS-kernel is free software; you can redistribute it and/or modify it |
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| 10 | * under the terms of the GNU General Public License as published by |
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| 11 | * the Free Software Foundation; version 2.0 of the License. |
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| 12 | * |
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| 13 | * ALMOS-kernel is distributed in the hope that it will be useful, but |
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| 14 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 16 | * General Public License for more details. |
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| 17 | * |
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| 18 | * You should have received a copy of the GNU General Public License |
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| 19 | * along with ALMOS-kernel; if not, write to the Free Software Foundation, |
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| 20 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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| 21 | */ |
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| 22 | |
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| 23 | #ifndef _TIME_H_ |
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| 24 | #define _TIME_H_ |
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| 25 | |
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| 26 | #include <types.h> |
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| 27 | #include <list.h> |
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| 28 | #include <device.h> |
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| 29 | |
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| 30 | struct event_s; |
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| 31 | |
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| 32 | struct alarm_info_s |
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| 33 | { |
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| 34 | uint_t signature; |
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| 35 | |
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| 36 | /* Public members */ |
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| 37 | struct event_s *event; |
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| 38 | |
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| 39 | /* Private members */ |
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| 40 | uint_t tm_wakeup; |
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| 41 | struct list_entry list; |
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| 42 | }; |
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| 43 | |
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| 44 | struct alarm_s |
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| 45 | { |
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| 46 | struct list_entry wait_queue; |
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| 47 | }; |
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| 48 | |
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| 49 | |
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| 50 | struct timeb { |
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| 51 | time_t time; |
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| 52 | unsigned short millitm; |
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| 53 | short timezone; |
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| 54 | short dstflag; |
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| 55 | }; |
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| 56 | |
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| 57 | struct timeval { |
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| 58 | clock_t tv_sec; /* secondes */ |
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| 59 | clock_t tv_usec; /* microsecondes */ |
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| 60 | }; |
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| 61 | |
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| 62 | struct timezone { |
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| 63 | int tz_minuteswest; /* minutes west of Greenwich */ |
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| 64 | int tz_dsttime; /* type of DST correction */ |
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| 65 | }; |
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| 66 | |
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| 67 | |
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| 68 | struct tms |
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| 69 | { |
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| 70 | clock_t tms_utime; /* user time */ |
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| 71 | clock_t tms_stime; /* system time */ |
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| 72 | clock_t tms_cutime; /* user time of children */ |
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| 73 | clock_t tms_cstime; /* system time of children */ |
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| 74 | }; |
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| 75 | |
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| 76 | |
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| 77 | error_t alarm_manager_init(struct alarm_s *alarm); |
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| 78 | error_t alarm_wait(struct alarm_info_s *info, uint_t msec); |
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| 79 | |
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| 80 | void alarm_clock(struct alarm_s *alarm, uint_t ticks_nr); |
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| 81 | |
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| 82 | int sys_clock (uint64_t *val); |
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| 83 | int sys_alarm (unsigned nb_sec); |
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| 84 | int sys_ftime (struct timeb *utime); |
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| 85 | int sys_times(struct tms *utms); |
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| 86 | int sys_gettimeofday(struct timeval *tv, struct timezone *tz); |
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| 87 | |
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| 88 | #if CONFIG_THREAD_TIME_STAT |
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| 89 | struct thread_s; |
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| 90 | inline void tm_sleep_compute(struct thread_s *thread); |
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| 91 | inline void tm_usr_compute(struct thread_s *thread); |
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| 92 | inline void tm_sys_compute(struct thread_s *thread); |
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| 93 | inline void tm_wait_compute(struct thread_s *thread); |
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| 94 | inline void tm_exit_compute(struct thread_s *thread); |
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| 95 | inline void tm_born_compute(struct thread_s *thread); |
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| 96 | inline void tm_create_compute(struct thread_s *thread); |
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| 97 | |
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| 98 | #else |
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| 99 | |
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| 100 | #define tm_sleep_compute(thread) |
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| 101 | #define tm_usr_compute(thread) |
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| 102 | #define tm_sys_compute(thread) |
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| 103 | #define tm_wait_compute(thread) |
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| 104 | #define tm_exit_compute(thread) |
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| 105 | #define tm_born_compute(thread) |
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| 106 | #define tm_create_compute(thread) |
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| 107 | |
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| 108 | #endif /* CONFIG_SCHED_STAT */ |
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| 109 | |
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| 110 | #endif /* _TIME_H_ */ |
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