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/*
* Thread test program
* by Philip Yarra
*/
#include <pthread.h>
void ins1(void);
void ins2(void);
EXEC SQL BEGIN DECLARE SECTION;
char *dbname;
EXEC SQL END DECLARE SECTION;
int
main(int argc, char **argv)
{
pthread_t thread1,
thread2;
EXEC SQL BEGIN DECLARE SECTION;
int rows;
EXEC SQL END DECLARE SECTION;
if (argc != 2)
{
fprintf(stderr, "Usage: %s dbname\n", argv[0]);
return 1;
}
dbname = argv[1];
EXEC SQL CONNECT TO:dbname AS test0;
/* DROP might fail */
EXEC SQL AT test0 DROP TABLE test_thread;
EXEC SQL AT test0 COMMIT WORK;
EXEC SQL AT test0 CREATE TABLE test_thread(message character(40));
EXEC SQL AT test0 COMMIT WORK;
EXEC SQL DISCONNECT test0;
pthread_create(&thread1, NULL, (void *) ins1, NULL);
pthread_create(&thread2, NULL, (void *) ins2, NULL);
pthread_join(thread1, NULL);
pthread_join(thread2, NULL);
EXEC SQL CONNECT TO:dbname AS test3;
EXEC SQL AT test3 SELECT COUNT(*) INTO :rows FROM test_thread;
EXEC SQL AT test3 COMMIT WORK;
EXEC SQL DISCONNECT test3;
if (rows == 10)
printf("Success.\n");
else
printf("Failure.\n");
return 0;
}
void
ins1(void)
{
int i;
EXEC SQL WHENEVER sqlerror sqlprint;
EXEC SQL CONNECT TO:dbname AS test1;
for (i = 0; i < 5; i++)
{
printf("thread 1 : inserting\n");
EXEC SQL AT test1 INSERT INTO test_thread VALUES('thread1');
printf("thread 1 : insert done\n");
}
EXEC SQL AT test1 COMMIT WORK;
EXEC SQL DISCONNECT test1;
printf("thread 1 : done!\n");
}
void
ins2(void)
{
int i;
EXEC SQL WHENEVER sqlerror sqlprint;
EXEC SQL CONNECT TO:dbname AS test2;
for (i = 0; i < 5; i++)
{
printf("thread 2: inserting\n");
EXEC SQL AT test2 INSERT INTO test_thread VALUES('thread2');
printf("thread 2: insert done\n");
}
EXEC SQL AT test2 COMMIT WORK;
EXEC SQL DISCONNECT test2;
printf("thread 2: done!\n");
}
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