ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprpthread-emulationqualifiedEnum
Last change
on this file since ce12e2b was
f019069,
checked in by Thierry Delisle <tdelisle@…>, 5 years ago
|
Some more work on suspend_then
|
-
Property mode set to
100644
|
File size:
1.7 KB
|
Line | |
---|
1 | #include <fstream.hfa> |
---|
2 | #include <kernel.hfa> |
---|
3 | #include <monitor.hfa> |
---|
4 | #include <thread.hfa> |
---|
5 | #include <time.hfa> |
---|
6 | #include <stdlib.hfa> |
---|
7 | #include <string.h> |
---|
8 | |
---|
9 | #define __kick_rate 150000ul |
---|
10 | #include "long_tests.hfa" |
---|
11 | |
---|
12 | #ifndef PREEMPTION_RATE |
---|
13 | #define PREEMPTION_RATE 10`ms |
---|
14 | #endif |
---|
15 | |
---|
16 | Duration default_preemption() { |
---|
17 | return PREEMPTION_RATE; |
---|
18 | } |
---|
19 | |
---|
20 | #ifdef TEST_LONG |
---|
21 | static const unsigned long N = 600_000ul; |
---|
22 | #else |
---|
23 | static const unsigned long N = 1_000ul; |
---|
24 | #endif |
---|
25 | |
---|
26 | #if !defined(TEST_FOREVER) |
---|
27 | static inline void print(const char * const text ) { |
---|
28 | write( STDERR_FILENO, text, strlen(text) ); |
---|
29 | } |
---|
30 | #else |
---|
31 | static inline void print(Printer & this, const char * const text ) {} |
---|
32 | #endif |
---|
33 | |
---|
34 | coroutine Coroutine {}; |
---|
35 | |
---|
36 | volatile bool done = false; |
---|
37 | Coroutine * volatile the_cor = 0p; |
---|
38 | |
---|
39 | void store(Coroutine & cor) { |
---|
40 | __atomic_store_n(&the_cor, &cor, __ATOMIC_SEQ_CST); |
---|
41 | } |
---|
42 | |
---|
43 | Coroutine * take(void) { |
---|
44 | Coroutine * val = 0p; |
---|
45 | Coroutine * ret = __atomic_exchange_n(&the_cor, val, __ATOMIC_SEQ_CST); |
---|
46 | assert(!ret || !the_cor); |
---|
47 | return ret; |
---|
48 | } |
---|
49 | |
---|
50 | void main(Coroutine& this) { |
---|
51 | suspend(); |
---|
52 | for(int i = 0; TEST(i < N); i++) { |
---|
53 | |
---|
54 | print("C - Suspending"); |
---|
55 | void publish() { |
---|
56 | print("C - Publishing"); |
---|
57 | assert(!the_cor); |
---|
58 | store( this ); |
---|
59 | } |
---|
60 | suspend_then(publish); |
---|
61 | assert(!the_cor); |
---|
62 | print("Coroutine 2"); |
---|
63 | KICK_WATCHDOG; |
---|
64 | yield(); |
---|
65 | } |
---|
66 | done = true; |
---|
67 | suspend(); |
---|
68 | } |
---|
69 | |
---|
70 | thread Thread {}; |
---|
71 | void main(Thread & this) { |
---|
72 | Coroutine * mine = 0p; |
---|
73 | while(!done) { |
---|
74 | yield(); |
---|
75 | |
---|
76 | mine = take(); |
---|
77 | if(!mine) continue; |
---|
78 | |
---|
79 | print("T - took"); |
---|
80 | resume(*mine); |
---|
81 | print("T - back"); |
---|
82 | } |
---|
83 | } |
---|
84 | |
---|
85 | |
---|
86 | int main(int argc, char* argv[]) { |
---|
87 | processor p[2]; |
---|
88 | Coroutine c; |
---|
89 | resume(c); // Prime the coroutine to avoid one of the threads being its starter |
---|
90 | the_cor = &c; |
---|
91 | { |
---|
92 | Thread t[2]; |
---|
93 | } |
---|
94 | } |
---|
Note: See
TracBrowser
for help on using the repository browser.