| 1 | #pragma once
|
|---|
| 2 |
|
|---|
| 3 | #include <stdbool.h>
|
|---|
| 4 |
|
|---|
| 5 | #include "bits/algorithm.hfa"
|
|---|
| 6 | #include "bits/locks.hfa"
|
|---|
| 7 | #include "bits/sequence.hfa"
|
|---|
| 8 | #include "bits/containers.hfa"
|
|---|
| 9 |
|
|---|
| 10 | #include "invoke.h"
|
|---|
| 11 |
|
|---|
| 12 | #include "time_t.hfa"
|
|---|
| 13 | #include "time.hfa"
|
|---|
| 14 | #include <sys/time.h>
|
|---|
| 15 | #include "alarm.hfa"
|
|---|
| 16 |
|
|---|
| 17 | ///////////////////////////////////////////////////////////////////
|
|---|
| 18 | //// is_blocking_lock
|
|---|
| 19 | ///////////////////////////////////////////////////////////////////
|
|---|
| 20 |
|
|---|
| 21 | trait is_blocking_lock(dtype L | sized(L)) {
|
|---|
| 22 | void add_( L &, struct $thread * ); // For synchronization locks to use when acquiring
|
|---|
| 23 | void remove_( L & ); // For synchronization locks to use when releasing
|
|---|
| 24 | size_t get_recursion_count( L & ); // to get recursion count for cond lock to reset after waking
|
|---|
| 25 | void set_recursion_count( L &, size_t recursion ); // to set recursion count after getting signalled;
|
|---|
| 26 | };
|
|---|
| 27 |
|
|---|
| 28 | ///////////////////////////////////////////////////////////////////
|
|---|
| 29 | //// info_thread
|
|---|
| 30 | ///////////////////////////////////////////////////////////////////
|
|---|
| 31 |
|
|---|
| 32 | forall(dtype L | is_blocking_lock(L)) {
|
|---|
| 33 | struct info_thread {
|
|---|
| 34 | inline Seqable;
|
|---|
| 35 | struct $thread * t;
|
|---|
| 36 | uintptr_t info;
|
|---|
| 37 | L * lock;
|
|---|
| 38 | bool signalled; // true when signalled and false when timeout wakes thread
|
|---|
| 39 | };
|
|---|
| 40 |
|
|---|
| 41 |
|
|---|
| 42 | void ?{}( info_thread(L) & this, $thread * t );
|
|---|
| 43 | void ?{}( info_thread(L) & this, $thread * t, uintptr_t info );
|
|---|
| 44 | void ^?{}( info_thread(L) & this );
|
|---|
| 45 |
|
|---|
| 46 | info_thread(L) *& Back( info_thread(L) * this );
|
|---|
| 47 | info_thread(L) *& Next( info_thread(L) * this );
|
|---|
| 48 | }
|
|---|
| 49 |
|
|---|
| 50 | ///////////////////////////////////////////////////////////////////
|
|---|
| 51 | //// Blocking Locks
|
|---|
| 52 | ///////////////////////////////////////////////////////////////////
|
|---|
| 53 |
|
|---|
| 54 | struct blocking_lock {
|
|---|
| 55 | // Spin lock used for mutual exclusion
|
|---|
| 56 | __spinlock_t lock;
|
|---|
| 57 |
|
|---|
| 58 | // List of blocked threads
|
|---|
| 59 | Sequence( $thread ) blocked_threads;
|
|---|
| 60 |
|
|---|
| 61 | // Count of current blocked threads
|
|---|
| 62 | size_t wait_count;
|
|---|
| 63 |
|
|---|
| 64 | // Flag if the lock allows multiple acquisition
|
|---|
| 65 | bool multi_acquisition;
|
|---|
| 66 |
|
|---|
| 67 | // Flag if lock can be released by non owner
|
|---|
| 68 | bool strict_owner;
|
|---|
| 69 |
|
|---|
| 70 | // Current thread owning the lock
|
|---|
| 71 | struct $thread * owner;
|
|---|
| 72 |
|
|---|
| 73 | // Number of recursion level
|
|---|
| 74 | size_t recursion_count;
|
|---|
| 75 | };
|
|---|
| 76 |
|
|---|
| 77 | struct single_acquisition_lock {
|
|---|
| 78 | inline blocking_lock;
|
|---|
| 79 | };
|
|---|
| 80 |
|
|---|
| 81 | struct owner_lock {
|
|---|
| 82 | inline blocking_lock;
|
|---|
| 83 | };
|
|---|
| 84 |
|
|---|
| 85 | struct multiple_acquisition_lock {
|
|---|
| 86 | inline blocking_lock;
|
|---|
| 87 | };
|
|---|
| 88 |
|
|---|
| 89 | void ?{}( blocking_lock & this, bool multi_acquisition, bool strict_owner );
|
|---|
| 90 | void ^?{}( blocking_lock & this );
|
|---|
| 91 |
|
|---|
| 92 | void ?{}( single_acquisition_lock & this );
|
|---|
| 93 | void ^?{}( single_acquisition_lock & this );
|
|---|
| 94 |
|
|---|
| 95 | void ?{}( owner_lock & this );
|
|---|
| 96 | void ^?{}( owner_lock & this );
|
|---|
| 97 |
|
|---|
| 98 | void ?{}( multiple_acquisition_lock & this );
|
|---|
| 99 | void ^?{}( multiple_acquisition_lock & this );
|
|---|
| 100 |
|
|---|
| 101 | void lock( blocking_lock & this );
|
|---|
| 102 | bool try_lock( blocking_lock & this );
|
|---|
| 103 | void unlock( blocking_lock & this );
|
|---|
| 104 | void add_( blocking_lock & this, struct $thread * t );
|
|---|
| 105 | void remove_( blocking_lock & this );
|
|---|
| 106 | size_t wait_count( blocking_lock & this );
|
|---|
| 107 | void set_recursion_count( blocking_lock & this, size_t recursion );
|
|---|
| 108 | size_t get_recursion_count( blocking_lock & this );
|
|---|
| 109 |
|
|---|
| 110 | void lock( single_acquisition_lock & this );
|
|---|
| 111 | void unlock( single_acquisition_lock & this );
|
|---|
| 112 | void add_( single_acquisition_lock & this, struct $thread * t );
|
|---|
| 113 | void remove_( single_acquisition_lock & this );
|
|---|
| 114 | void set_recursion_count( single_acquisition_lock & this, size_t recursion );
|
|---|
| 115 | size_t get_recursion_count( single_acquisition_lock & this );
|
|---|
| 116 |
|
|---|
| 117 | void lock( owner_lock & this );
|
|---|
| 118 | void unlock( owner_lock & this );
|
|---|
| 119 | void add_( owner_lock & this, struct $thread * t );
|
|---|
| 120 | void remove_( owner_lock & this );
|
|---|
| 121 | void set_recursion_count( owner_lock & this, size_t recursion );
|
|---|
| 122 | size_t get_recursion_count( owner_lock & this );
|
|---|
| 123 |
|
|---|
| 124 | void lock( multiple_acquisition_lock & this );
|
|---|
| 125 | void unlock( multiple_acquisition_lock & this );
|
|---|
| 126 | void add_( multiple_acquisition_lock & this, struct $thread * t );
|
|---|
| 127 | void remove_( multiple_acquisition_lock & this );
|
|---|
| 128 | void set_recursion_count( multiple_acquisition_lock & this, size_t recursion );
|
|---|
| 129 | size_t get_recursion_count( multiple_acquisition_lock & this );
|
|---|
| 130 |
|
|---|
| 131 | ///////////////////////////////////////////////////////////////////
|
|---|
| 132 | //// Synchronization Locks
|
|---|
| 133 | ///////////////////////////////////////////////////////////////////
|
|---|
| 134 | forall(dtype L | is_blocking_lock(L)) {
|
|---|
| 135 | struct condition_variable {
|
|---|
| 136 | // Spin lock used for mutual exclusion
|
|---|
| 137 | __spinlock_t lock;
|
|---|
| 138 |
|
|---|
| 139 | info_thread(L) * last_thread;
|
|---|
| 140 |
|
|---|
| 141 | // List of blocked threads
|
|---|
| 142 | Sequence( info_thread(L) ) blocked_threads;
|
|---|
| 143 |
|
|---|
| 144 | // Count of current blocked threads
|
|---|
| 145 | int count;
|
|---|
| 146 | };
|
|---|
| 147 |
|
|---|
| 148 | void ?{}( condition_variable(L) & this );
|
|---|
| 149 | void ^?{}( condition_variable(L) & this );
|
|---|
| 150 |
|
|---|
| 151 | struct alarm_node_wrap {
|
|---|
| 152 | alarm_node_t alarm_node;
|
|---|
| 153 |
|
|---|
| 154 | condition_variable(L) * cond;
|
|---|
| 155 |
|
|---|
| 156 | info_thread(L) * i;
|
|---|
| 157 | };
|
|---|
| 158 |
|
|---|
| 159 | void ?{}( alarm_node_wrap(L) & this, Time alarm, Duration period, Alarm_Callback callback );
|
|---|
| 160 | void ^?{}( alarm_node_wrap(L) & this );
|
|---|
| 161 |
|
|---|
| 162 | void alarm_node_callback( alarm_node_wrap(L) & this );
|
|---|
| 163 |
|
|---|
| 164 | void alarm_node_wrap_cast( alarm_node_t & a );
|
|---|
| 165 |
|
|---|
| 166 | bool notify_one( condition_variable(L) & this );
|
|---|
| 167 | bool notify_all( condition_variable(L) & this );
|
|---|
| 168 |
|
|---|
| 169 | uintptr_t front( condition_variable(L) & this );
|
|---|
| 170 |
|
|---|
| 171 | bool empty( condition_variable(L) & this );
|
|---|
| 172 | int counter( condition_variable(L) & this );
|
|---|
| 173 |
|
|---|
| 174 | void wait( condition_variable(L) & this );
|
|---|
| 175 | void wait( condition_variable(L) & this, uintptr_t info );
|
|---|
| 176 | bool wait( condition_variable(L) & this, Duration duration );
|
|---|
| 177 | bool wait( condition_variable(L) & this, uintptr_t info, Duration duration );
|
|---|
| 178 | bool wait( condition_variable(L) & this, Time time );
|
|---|
| 179 | bool wait( condition_variable(L) & this, uintptr_t info, Time time );
|
|---|
| 180 |
|
|---|
| 181 | void wait( condition_variable(L) & this, L & l );
|
|---|
| 182 | void wait( condition_variable(L) & this, L & l, uintptr_t info );
|
|---|
| 183 | bool wait( condition_variable(L) & this, L & l, Duration duration );
|
|---|
| 184 | bool wait( condition_variable(L) & this, L & l, uintptr_t info, Duration duration );
|
|---|
| 185 | bool wait( condition_variable(L) & this, L & l, Time time );
|
|---|
| 186 | bool wait( condition_variable(L) & this, L & l, uintptr_t info, Time time );
|
|---|
| 187 | }
|
|---|
