Last change
on this file since 075c6d5 was
50be8af,
checked in by Peter A. Buhr <pabuhr@…>, 11 months ago
|
clean up command-line handling and I/O
|
-
Property mode set to
100644
|
File size:
1.8 KB
|
Rev | Line | |
---|
[9319a23] | 1 | #include <locks.hfa> |
---|
| 2 | #include <fstream.hfa> |
---|
| 3 | #include <stdio.h> |
---|
| 4 | #include <channel.hfa> |
---|
| 5 | #include <thread.hfa> |
---|
| 6 | #include <time.hfa> |
---|
| 7 | #include <string.h> |
---|
| 8 | |
---|
| 9 | size_t total_operations = 0; |
---|
[50be8af] | 10 | ssize_t Processors = 1, Tasks = 4; // must be signed |
---|
[9319a23] | 11 | |
---|
| 12 | owner_lock o; |
---|
| 13 | |
---|
| 14 | typedef channel( int ) Channel; |
---|
| 15 | |
---|
| 16 | Channel * chain; |
---|
| 17 | |
---|
| 18 | bool done = false; |
---|
| 19 | int id_counter = 0; |
---|
| 20 | thread Task { int id; int right; }; |
---|
| 21 | static inline void ?{}( Task & this ) with(this) { |
---|
| 22 | id = __atomic_fetch_add( &id_counter, 1, __ATOMIC_SEQ_CST ); |
---|
| 23 | right = (id + 1) % Tasks; |
---|
| 24 | } |
---|
| 25 | void main(Task & this) with(this) { |
---|
| 26 | size_t runs = 0; |
---|
| 27 | try { |
---|
| 28 | for ( ;; ) { |
---|
| 29 | if ( done ) break; |
---|
| 30 | remove( chain[id] ); |
---|
| 31 | insert( chain[right], 0 ); |
---|
| 32 | runs++; |
---|
| 33 | } |
---|
| 34 | } catch ( channel_closed * e ) {} |
---|
| 35 | lock( o ); |
---|
| 36 | total_operations += runs; |
---|
| 37 | unlock( o ); |
---|
| 38 | } |
---|
| 39 | |
---|
| 40 | int main( int argc, char * argv[] ) { |
---|
| 41 | switch ( argc ) { |
---|
| 42 | case 3: |
---|
| 43 | if ( strcmp( argv[2], "d" ) != 0 ) { // default ? |
---|
[50be8af] | 44 | Tasks = ato( argv[2] ); |
---|
| 45 | if ( Tasks < 1 ) fallthru default; |
---|
[9319a23] | 46 | } // if |
---|
| 47 | case 2: |
---|
| 48 | if ( strcmp( argv[1], "d" ) != 0 ) { // default ? |
---|
[50be8af] | 49 | Processors = ato( argv[1] ); |
---|
| 50 | if ( Processors < 1 ) fallthru default; |
---|
[9319a23] | 51 | } // if |
---|
| 52 | case 1: // use defaults |
---|
| 53 | break; |
---|
| 54 | default: |
---|
[50be8af] | 55 | exit | "Usage: " | argv[0] |
---|
[9319a23] | 56 | | " [ processors (> 0) | 'd' (default " | Processors |
---|
| 57 | | ") ] [ channel size (>= 0) | 'd' (default " | Tasks |
---|
| 58 | | ") ]" ; |
---|
| 59 | } // switch |
---|
[50be8af] | 60 | |
---|
[9319a23] | 61 | processor proc[Processors - 1]; |
---|
| 62 | |
---|
| 63 | sout | "start"; |
---|
| 64 | |
---|
| 65 | chain = aalloc( Tasks ); |
---|
| 66 | for ( i; Tasks ) { |
---|
| 67 | chain[i]{ 1 }; |
---|
| 68 | } |
---|
| 69 | |
---|
| 70 | insert( chain[0], 0 ); |
---|
| 71 | { |
---|
| 72 | Task t[Tasks]; |
---|
| 73 | sleep(10`s); |
---|
| 74 | done = true; |
---|
| 75 | for ( j; Tasks ) |
---|
| 76 | close( chain[j] ); |
---|
| 77 | } |
---|
| 78 | |
---|
| 79 | // sout | total_operations; |
---|
| 80 | |
---|
| 81 | sout | "done"; |
---|
| 82 | |
---|
| 83 | adelete(chain); |
---|
| 84 | |
---|
| 85 | return 0; |
---|
[50be8af] | 86 | } |
---|
Note: See
TracBrowser
for help on using the repository browser.