|
1 |
| -/* --- |
| 1 | +/* |
2 | 2 | * Thread test program
|
3 | 3 | * by Philip Yarra
|
4 |
| - * |
5 |
| - * To run, create this table in the 'test' database: |
6 |
| - * |
7 |
| - * CREATE TABLE foo ( |
8 |
| - * message character(40) |
9 |
| - * ); |
10 |
| - * --- |
11 | 4 | */
|
12 | 5 |
|
13 | 6 |
|
14 | 7 | #include <pthread.h>
|
15 | 8 |
|
16 |
| -int main(void); |
17 |
| -void ins1(void); |
18 |
| -void ins2(void); |
| 9 | +void ins1(void); |
| 10 | +void ins2(void); |
19 | 11 |
|
20 |
| -int main(void) |
| 12 | +EXEC SQL BEGIN DECLARE SECTION; |
| 13 | +char *dbname; |
| 14 | +EXEC SQL END DECLARE SECTION; |
| 15 | + |
| 16 | +int |
| 17 | +main(int argc, char **argv) |
21 | 18 | {
|
22 |
| - pthread_t thread1, thread2; |
23 |
| - pthread_create(&thread1, NULL, (void *) ins1, NULL); |
24 |
| - pthread_create(&thread2, NULL, (void *) ins2, NULL); |
25 |
| - pthread_join(thread1, NULL); |
26 |
| - pthread_join(thread2, NULL); |
27 |
| - printf("Program done!\n"); |
28 |
| - return 0; |
| 19 | + pthread_t thread1, |
| 20 | + thread2; |
| 21 | +EXEC SQL BEGIN DECLARE SECTION; |
| 22 | + int rows; |
| 23 | +EXEC SQL END DECLARE SECTION; |
| 24 | + |
| 25 | + if (argc != 2) |
| 26 | + { |
| 27 | + fprintf(stderr, "Usage: %s dbname\n", argv[0]); |
| 28 | + return 1; |
| 29 | + } |
| 30 | + dbname = argv[1]; |
| 31 | + |
| 32 | + EXEC SQL CONNECT TO:dbname AS test0; |
| 33 | + |
| 34 | + /* DROP might fail */ |
| 35 | + EXEC SQL AT test0 DROP TABLE test_thread; |
| 36 | + EXEC SQL AT test0 COMMIT WORK; |
| 37 | + EXEC SQL AT test0 CREATE TABLE test_thread(message character(40)); |
| 38 | + EXEC SQL AT test0 COMMIT WORK; |
| 39 | + EXEC SQL DISCONNECT test0; |
| 40 | + |
| 41 | + pthread_create(&thread1, NULL, (void *) ins1, NULL); |
| 42 | + pthread_create(&thread2, NULL, (void *) ins2, NULL); |
| 43 | + pthread_join(thread1, NULL); |
| 44 | + pthread_join(thread2, NULL); |
| 45 | + EXEC SQL CONNECT TO:dbname AS test3; |
| 46 | + EXEC SQL AT test3 SELECT COUNT(*) INTO :rows FROM test_thread; |
| 47 | + EXEC SQL AT test3 COMMIT WORK; |
| 48 | + EXEC SQL DISCONNECT test3; |
| 49 | + |
| 50 | + if (rows == 10) |
| 51 | + printf("Success.\n"); |
| 52 | + else |
| 53 | + printf("Failure.\n"); |
| 54 | + return 0; |
29 | 55 | }
|
30 | 56 |
|
31 |
| -void ins1(void) |
| 57 | +void |
| 58 | +ins1(void) |
32 | 59 | {
|
33 |
| - int i; |
34 |
| - EXEC SQL BEGIN DECLARE SECTION; |
35 |
| - char* cs = "test"; |
36 |
| - char* bar = "one!"; |
37 |
| - EXEC SQL END DECLARE SECTION; |
38 |
| - EXEC SQL WHENEVER sqlerror sqlprint; |
39 |
| - EXEC SQL CONNECT TO :cs AS test1; |
40 |
| - for (i = 0; i < 5; i++) |
41 |
| - { |
42 |
| - printf("thread 1 : inserting\n"); |
43 |
| - EXEC SQL AT test1 INSERT INTO foo VALUES(:bar); |
44 |
| - printf("thread 1 : insert done\n"); |
45 |
| - } |
46 |
| - EXEC SQL AT test1 COMMIT WORK; |
47 |
| - EXEC SQL DISCONNECT test1; |
48 |
| - printf("thread 1 : done!\n"); |
| 60 | + int i; |
| 61 | + EXEC SQL WHENEVER sqlerror sqlprint; |
| 62 | + EXEC SQL CONNECT TO:dbname AS test1; |
| 63 | + |
| 64 | + for (i = 0; i < 5; i++) |
| 65 | + { |
| 66 | + printf("thread 1 : inserting\n"); |
| 67 | + EXEC SQL AT test1 INSERT INTO test_thread VALUES('thread1'); |
| 68 | + |
| 69 | + printf("thread 1 : insert done\n"); |
| 70 | + } |
| 71 | + EXEC SQL AT test1 COMMIT WORK; |
| 72 | + EXEC SQL DISCONNECT test1; |
| 73 | + |
| 74 | + printf("thread 1 : done!\n"); |
49 | 75 | }
|
50 | 76 |
|
51 | 77 |
|
52 |
| -void ins2(void) |
| 78 | +void |
| 79 | +ins2(void) |
53 | 80 | {
|
54 |
| - int i; |
55 |
| - EXEC SQL BEGIN DECLARE SECTION; |
56 |
| - char* cs = "test"; |
57 |
| - char* bar = "two!"; |
58 |
| - EXEC SQL END DECLARE SECTION; |
59 |
| - EXEC SQL WHENEVER sqlerror sqlprint; |
60 |
| - EXEC SQL CONNECT TO :cs AS test2; |
61 |
| - for (i = 0; i < 5; i++) |
62 |
| - { |
63 |
| - printf("thread 2: inserting\n"); |
64 |
| - EXEC SQL AT test2 INSERT INTO foo VALUES(:bar); |
65 |
| - printf("thread 2: insert done\n"); |
66 |
| - } |
67 |
| - EXEC SQL AT test2 COMMIT WORK; |
68 |
| - EXEC SQL DISCONNECT test2; |
69 |
| - printf("thread 2: done!\n"); |
| 81 | + int i; |
| 82 | + EXEC SQL WHENEVER sqlerror sqlprint; |
| 83 | + EXEC SQL CONNECT TO:dbname AS test2; |
| 84 | + |
| 85 | + for (i = 0; i < 5; i++) |
| 86 | + { |
| 87 | + printf("thread 2: inserting\n"); |
| 88 | + EXEC SQL AT test2 INSERT INTO test_thread VALUES('thread2'); |
| 89 | + |
| 90 | + printf("thread 2: insert done\n"); |
| 91 | + } |
| 92 | + EXEC SQL AT test2 COMMIT WORK; |
| 93 | + EXEC SQL DISCONNECT test2; |
| 94 | + |
| 95 | + printf("thread 2: done!\n"); |
70 | 96 | }
|
0 commit comments