-
Notifications
You must be signed in to change notification settings - Fork 2
Expand file tree
/
Copy pathpthread.af
More file actions
247 lines (196 loc) · 10.8 KB
/
Copy pathpthread.af
File metadata and controls
247 lines (196 loc) · 10.8 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
use' ./lang.af
\ ## Posix threads
\
\ MacOS 15.3 (24D60), <pthread.h>.
\
\ Translated from C definitions and only partially tested.
\
\ Posix words directly return an OS error code on failure.
\ Should always be followed by error check:
\
\ .some_fun " unable to do X" ?posix_err { err }
\ .some_fun " unable to do X" ?posix_err .try
\ ## Types
\ `pthread_t`. Used by value except in "create".
\ See usage in `examples/threads_*.f`.
CELL int: Pthread
\ `pthread_attr_t`; used by reference.
64 8 opaque: Pthread_attr
\ `pthread_cond_t`; used by reference.
48 8 opaque: Pthread_cond
\ `pthread_condattr_t`; used by reference.
16 8 opaque: Pthread_cond_attr
\ `struct sched_param`; used by reference.
8 4 opaque: Pthread_sched_param
\ `pthread_once_t`; used by reference.
16 8 opaque: Pthread_once
\ `pthread_key_t`; used by value except in "create".
CELL int: Pthread_key
\ `pthread_mutexattr_t`; used by reference.
16 8 opaque: Pthread_mutex_attr
\ `pthread_mutex_t`; used by reference.
64 8 opaque: Pthread_mutex
\ `pthread_rwlockattr_t`; used by reference.
24 8 opaque: Pthread_rwlock_attr
\ `pthread_rwlock_t`; used by reference.
200 8 opaque: Pthread_rwlock
\ `sigset_t`; sometimes used by reference.
U32 int: Sigset
\ ## Constants
1 let: PTHREAD_CREATE_JOINABLE
2 let: PTHREAD_CREATE_DETACHED
1 let: PTHREAD_INHERIT_SCHED
2 let: PTHREAD_EXPLICIT_SCHED
1 let: PTHREAD_CANCEL_ENABLE \ Cancel takes place at next cancellation point.
0 let: PTHREAD_CANCEL_DISABLE \ Cancel postponed.
2 let: PTHREAD_CANCEL_DEFERRED \ Cancel waits until cancellation point.
0 let: PTHREAD_CANCEL_ASYNCHRONOUS \ Cancel occurs immediately.
1 let: PTHREAD_CANCELED \ (void*)1
1 let: PTHREAD_SCOPE_SYSTEM
2 let: PTHREAD_SCOPE_PROCESS
1 let: PTHREAD_PROCESS_SHARED
2 let: PTHREAD_PROCESS_PRIVATE
0 let: PTHREAD_PRIO_NONE
1 let: PTHREAD_PRIO_INHERIT
2 let: PTHREAD_PRIO_PROTECT
0 let: PTHREAD_MUTEX_NORMAL
1 let: PTHREAD_MUTEX_ERRORCHECK
2 let: PTHREAD_MUTEX_RECURSIVE
PTHREAD_MUTEX_NORMAL let: PTHREAD_MUTEX_DEFAULT
1 let: PTHREAD_MUTEX_POLICY_FAIRSHARE_NP
3 let: PTHREAD_MUTEX_POLICY_FIRSTFIT_NP
\ ## Procedures
\
\ Integer addresses here tend to be `int*`, meaning: `int32*`.
\ When using local addresses, the locals should be pre-zeroed.
\ Then on little-endian, C can store with 32-bit instructions,
\ and we can load with 64-bit instructions, and it just works.
1 1 extern: pthread_attr_init ( attr -- err :Cint )
1 1 extern: pthread_attr_destroy ( attr -- err :Cint )
2 1 extern: pthread_attr_getdetachstate ( attr detach_adr -- err :Cint )
2 1 extern: pthread_attr_setdetachstate ( attr detach -- err :Cint )
2 1 extern: pthread_attr_getguardsize ( attr size_adr -- err :Cint )
2 1 extern: pthread_attr_setguardsize ( attr size -- err :Cint )
2 1 extern: pthread_attr_getinheritsched ( attr inherit_adr -- err :Cint )
2 1 extern: pthread_attr_setinheritsched ( attr inherit -- err :Cint )
2 1 extern: pthread_attr_getschedparam ( attr param -- err :Cint )
2 1 extern: pthread_attr_setschedparam ( attr param -- err :Cint )
2 1 extern: pthread_attr_getschedpolicy ( attr policy_adr -- err :Cint )
2 1 extern: pthread_attr_setschedpolicy ( attr policy -- err :Cint )
2 1 extern: pthread_attr_getscope ( attr scope_adr -- err :Cint )
2 1 extern: pthread_attr_setscope ( attr scope -- err :Cint )
3 1 extern: pthread_attr_getstack ( attr adr_adr size_adr -- err :Cint )
3 1 extern: pthread_attr_setstack ( attr stack_adr size -- err :Cint )
2 1 extern: pthread_attr_getstackaddr ( attr adr_adr -- err :Cint )
2 1 extern: pthread_attr_setstackaddr ( attr stack_adr -- err :Cint )
2 1 extern: pthread_attr_getstacksize ( attr size_adr -- err :Cint )
2 1 extern: pthread_attr_setstacksize ( attr size -- err :Cint )
1 1 extern: pthread_cond_broadcast ( cond -- err :Cint )
1 1 extern: pthread_cond_destroy ( cond -- err :Cint )
2 1 extern: pthread_cond_init ( cond attr -- err :Cint )
1 1 extern: pthread_cond_signal ( cond -- err :Cint )
3 1 extern: pthread_cond_timedwait ( cond mutex time -- err :Cint )
2 1 extern: pthread_cond_wait ( cond mutex -- err :Cint )
1 1 extern: pthread_condattr_init ( attr -- err :Cint )
1 1 extern: pthread_condattr_destroy ( attr -- err :Cint )
2 1 extern: pthread_condattr_getpshared ( attr shared_adr -- err :Cint )
2 1 extern: pthread_condattr_setpshared ( attr shared -- err :Cint )
4 1 extern: pthread_create ( thread_adr attr fun inp -- err :Cint )
4 1 extern: pthread_create_suspended_np ( thread_adr attr fun inp -- err :Cint )
1 1 extern: pthread_cancel ( thread -- err :Cint )
2 1 extern: pthread_kill ( thread sig -- err :Cint )
2 1 extern: pthread_join ( thread out_adr -- err :Cint )
1 1 extern: pthread_detach ( thread -- err :Cint )
2 1 extern: pthread_threadid_np ( thread id_adr -- err :Cint )
3 1 extern: pthread_getschedparam ( thread policy_adr param -- err :Cint )
3 1 extern: pthread_setschedparam ( thread policy param -- err :Cint )
3 1 extern: pthread_atfork ( prep parent child -- err :Cint )
2 1 extern: pthread_once ( once_ctrl init_fun -- err :Cint )
3 1 extern: pthread_sigmask ( how set_adr oset_adr -- err :Cint )
1 0 extern: pthread_exit ( out_adr -- )
0 0 extern: pthread_yield_np ( -- )
0 1 extern: pthread_is_threaded_np ( -- bool :Cint )
2 1 extern: pthread_equal ( thread0 thread1 -- bool :Cint )
0 1 extern: pthread_getconcurrency ( -- lvl :Cint )
1 1 extern: pthread_setconcurrency ( lvl -- err :Cint )
2 1 extern: pthread_setcancelstate ( state state_adr -- err :Cint )
2 1 extern: pthread_setcanceltype ( type type_adr -- err :Cint )
0 0 extern: pthread_testcancel ( -- )
2 1 extern: pthread_key_create ( key_adr deinit_fun -- err :Cint )
1 1 extern: pthread_key_delete ( key -- err :Cint )
1 1 extern: pthread_getspecific ( key -- val )
2 1 extern: pthread_setspecific ( key val -- err :Cint )
1 1 extern: pthread_mutexattr_init ( attr -- err :Cint )
1 1 extern: pthread_mutexattr_destroy ( attr -- err :Cint )
2 1 extern: pthread_mutexattr_getprioceiling ( attr ceil_adr -- err :Cint )
2 1 extern: pthread_mutexattr_setprioceiling ( attr ceil -- err :Cint )
2 1 extern: pthread_mutexattr_getprotocol ( attr prot_adr -- err :Cint )
2 1 extern: pthread_mutexattr_setprotocol ( attr prot -- err :Cint )
2 1 extern: pthread_mutexattr_getpshared ( attr shared_adr -- err :Cint )
2 1 extern: pthread_mutexattr_setpshared ( attr shared -- err :Cint )
2 1 extern: pthread_mutexattr_gettype ( attr type_adr -- err :Cint )
2 1 extern: pthread_mutexattr_settype ( attr type -- err :Cint )
2 1 extern: pthread_mutexattr_getpolicy_np ( attr pol_adr -- err :Cint )
2 1 extern: pthread_mutexattr_setpolicy_np ( attr pol -- err :Cint )
2 1 extern: pthread_mutex_init ( mut attr -- err :Cint )
1 1 extern: pthread_mutex_destroy ( mut -- err :Cint )
1 1 extern: pthread_mutex_trylock ( mut -- err :Cint )
1 1 extern: pthread_mutex_lock ( mut -- err :Cint )
1 1 extern: pthread_mutex_unlock ( mut -- err :Cint )
2 1 extern: pthread_mutex_getprioceiling ( mut ceil_adr -- err :Cint )
3 1 extern: pthread_mutex_setprioceiling ( mut ceil ceil_adr -- err :Cint )
1 1 extern: pthread_rwlockattr_init ( attr -- err :Cint )
1 1 extern: pthread_rwlockattr_destroy ( attr -- err :Cint )
2 1 extern: pthread_rwlockattr_getpshared ( attr shared_adr -- err :Cint )
2 1 extern: pthread_rwlockattr_setpshared ( attr shared -- err :Cint )
2 1 extern: pthread_rwlock_init ( lock attr -- err :Cint )
1 1 extern: pthread_rwlock_destroy ( lock -- err :Cint )
1 1 extern: pthread_rwlock_tryrdlock ( lock -- err :Cint )
1 1 extern: pthread_rwlock_trywrlock ( lock -- err :Cint )
1 1 extern: pthread_rwlock_rdlock ( lock -- err :Cint )
1 1 extern: pthread_rwlock_wrlock ( lock -- err :Cint )
1 1 extern: pthread_rwlock_unlock ( lock -- err :Cint )
2 1 extern: pthread_cond_signal_thread_np ( cond thread -- err :Cint )
\ `Timespec` is defined in `./time.af`.
3 1 extern: pthread_cond_timedwait_relative_np ( cond mutex timespec -- err :Cint )
0 1 extern: pthread_jit_write_protect_supported_np ( -- bool :Cint )
1 0 extern: pthread_jit_write_protect_np ( enabled -- )
0 0 extern: pthread_jit_write_freeze_callbacks_np ( -- )
\ Not found via `dlsym`.
\ 2 1 extern: pthread_jit_write_with_callback_np
\ Wraps `pthread_create`, throwing a descriptive error on failure.
\ The caller must either `thread_join` or `pthread_detach`.
\ If error, caller owns `inp`. Otherwise, thread owns `inp`.
fun: thread_spawn { fun inp -- thread err }
nil { attr }
.slot { thread }
thread attr fun inp .pthread_create
" unable to spawn thread" ?posix_err { err }
thread @ err
end
\ Wraps `pthread_create` with `PTHREAD_CREATE_DETACHED`.
\ The caller must not `thread_join` or `pthread_detach`.
\ If error, caller owns `inp`. Otherwise, thread owns `inp`.
fun: thread_spawn_detached { fun inp -- thread Err }
alloca' Pthread_attr { attr }
.slot { thread }
attr .pthread_attr_init
" unable to init thread attributes" ?posix_err .try
attr PTHREAD_CREATE_DETACHED .pthread_attr_setdetachstate
" unable to mark thread as detached" ?posix_err { err }
ifz err .then
thread attr fun inp .pthread_create
" unable to spawn detached thread" ?posix_err { err }
end
\ After successful spawn, returning attr cleanup failure
\ would lie about thread state and input ownership.
attr .pthread_attr_destroy { -- }
thread @ err
end
\ Wraps `pthread_join`, throwing a descriptive error on failure.
fun: thread_join { thread -- out err }
.slot { out }
thread out .pthread_join
" unable to join with thread" ?posix_err { err }
out @ err
end