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/* Processed by ecpg (4.2.1) */
/* These include files are added by the preprocessor */
#include <ecpgtype.h>
#include <ecpglib.h>
#include <ecpgerrno.h>
#include <sqlca.h>
/* End of automatic include section */
#line 1 "thread_implicit.pgc"
/*
* Thread test program
* by Lee Kindness.
*/
#include <stdlib.h>
#ifndef ENABLE_THREAD_SAFETY
int
main(void)
{
printf("Success.\n");
return 0;
}
#else
#include <pthread.h>
#undef DEBUG
#line 1 "regression.h"
#line 20 "thread_implicit.pgc"
void *test_thread(void *arg);
int nthreads = 10;
int iterations = 20;
int
main(int argc, char *argv[])
{
pthread_t *threads;
int n;
/* exec sql begin declare section */
#line 32 "thread_implicit.pgc"
int l_rows;
/* exec sql end declare section */
#line 33 "thread_implicit.pgc"
/*
* Switch off debug output for regression tests. The threads get executed
* in more or less random order
*/
ECPGdebug(0, stderr);
/* setup test_thread table */
{
ECPGconnect(__LINE__, 0, "regress1", NULL, NULL, NULL, 0);
}
#line 42 "thread_implicit.pgc"
{
ECPGdo(__LINE__, 0, 1, NULL, "drop table test_thread ", ECPGt_EOIT, ECPGt_EORT);
}
#line 43 "thread_implicit.pgc"
/* DROP might fail */
{
ECPGtrans(__LINE__, NULL, "commit");
}
#line 44 "thread_implicit.pgc"
{
ECPGdo(__LINE__, 0, 1, NULL, "create table test_thread ( tstamp timestamp not null default cast( timeofday () as timestamp ) , thread TEXT not null , iteration integer not null , primary key( thread , iteration ) ) ", ECPGt_EOIT, ECPGt_EORT);
}
#line 49 "thread_implicit.pgc"
{
ECPGtrans(__LINE__, NULL, "commit");
}
#line 50 "thread_implicit.pgc"
{
ECPGdisconnect(__LINE__, "CURRENT");
}
#line 51 "thread_implicit.pgc"
/* create, and start, threads */
threads = calloc(nthreads, sizeof(pthread_t));
if (threads == NULL)
{
fprintf(stderr, "Cannot alloc memory\n");
return (1);
}
for (n = 0; n < nthreads; n++)
{
pthread_create(&threads[n], NULL, test_thread, (void *) (n + 1));
}
/* wait for thread completion */
for (n = 0; n < nthreads; n++)
{
pthread_join(threads[n], NULL);
}
free(threads);
/* and check results */
{
ECPGconnect(__LINE__, 0, "regress1", NULL, NULL, NULL, 0);
}
#line 73 "thread_implicit.pgc"
{
ECPGdo(__LINE__, 0, 1, NULL, "select count (*) from test_thread ", ECPGt_EOIT,
ECPGt_int, &(l_rows), (long) 1, (long) 1, sizeof(int),
ECPGt_NO_INDICATOR, NULL, 0L, 0L, 0L, ECPGt_EORT);
}
#line 74 "thread_implicit.pgc"
{
ECPGtrans(__LINE__, NULL, "commit");
}
#line 75 "thread_implicit.pgc"
{
ECPGdisconnect(__LINE__, "CURRENT");
}
#line 76 "thread_implicit.pgc"
if (l_rows == (nthreads * iterations))
printf("Success.\n");
else
printf("ERROR: Failure - expecting %d rows, got %d.\n", nthreads * iterations, l_rows);
return (0);
}
void *
test_thread(void *arg)
{
long threadnum = (long) arg;
/* exec sql begin declare section */
#line 89 "thread_implicit.pgc"
int l_i;
#line 90 "thread_implicit.pgc"
char l_connection[128];
/* exec sql end declare section */
#line 91 "thread_implicit.pgc"
/* build up connection name, and connect to database */
snprintf(l_connection, sizeof(l_connection), "thread_%03ld", threadnum);
/* exec sql whenever sqlerror sqlprint ; */
#line 95 "thread_implicit.pgc"
{
ECPGconnect(__LINE__, 0, "regress1", NULL, NULL, l_connection, 0);
#line 96 "thread_implicit.pgc"
if (sqlca.sqlcode < 0)
sqlprint();
}
#line 96 "thread_implicit.pgc"
if (sqlca.sqlcode != 0)
{
printf("%s: ERROR: cannot connect to database!\n", l_connection);
return (NULL);
}
{
ECPGtrans(__LINE__, NULL, "begin transaction ");
#line 102 "thread_implicit.pgc"
if (sqlca.sqlcode < 0)
sqlprint();
}
#line 102 "thread_implicit.pgc"
/* insert into test_thread table */
for (l_i = 1; l_i <= iterations; l_i++)
{
#ifdef DEBUG
printf("%s: inserting %d\n", l_connection, l_i);
#endif
{
ECPGdo(__LINE__, 0, 1, NULL, "insert into test_thread ( thread , iteration ) values( ? , ? ) ",
ECPGt_char, (l_connection), (long) 128, (long) 1, (128) * sizeof(char),
ECPGt_NO_INDICATOR, NULL, 0L, 0L, 0L,
ECPGt_int, &(l_i), (long) 1, (long) 1, sizeof(int),
ECPGt_NO_INDICATOR, NULL, 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);
#line 110 "thread_implicit.pgc"
if (sqlca.sqlcode < 0)
sqlprint();
}
#line 110 "thread_implicit.pgc"
#ifdef DEBUG
if (sqlca.sqlcode == 0)
printf("%s: insert done\n", l_connection);
else
printf("%s: ERROR: insert failed!\n", l_connection);
#endif
}
/* all done */
{
ECPGtrans(__LINE__, NULL, "commit");
#line 120 "thread_implicit.pgc"
if (sqlca.sqlcode < 0)
sqlprint();
}
#line 120 "thread_implicit.pgc"
{
ECPGdisconnect(__LINE__, l_connection);
#line 121 "thread_implicit.pgc"
if (sqlca.sqlcode < 0)
sqlprint();
}
#line 121 "thread_implicit.pgc"
#ifdef DEBUG
printf("%s: done!\n", l_connection);
#endif
return (NULL);
}
#endif /* ENABLE_THREAD_SAFETY */
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