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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.pgc"
/*
* Thread test program
* by Philip Yarra & 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 19 "thread.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 31 "thread.pgc"
int l_rows ;
/* exec sql end declare section */
#line 32 "thread.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 41 "thread.pgc"
{ ECPGdo(__LINE__, 0, 1, NULL, "drop table test_thread ", ECPGt_EOIT, ECPGt_EORT);}
#line 42 "thread.pgc"
/* DROP might fail */
{ ECPGtrans(__LINE__, NULL, "commit");}
#line 43 "thread.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 48 "thread.pgc"
{ ECPGtrans(__LINE__, NULL, "commit");}
#line 49 "thread.pgc"
{ ECPGdisconnect(__LINE__, "CURRENT");}
#line 50 "thread.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 72 "thread.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 73 "thread.pgc"
{ ECPGtrans(__LINE__, NULL, "commit");}
#line 74 "thread.pgc"
{ ECPGdisconnect(__LINE__, "CURRENT");}
#line 75 "thread.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 88 "thread.pgc"
int l_i ;
#line 89 "thread.pgc"
char l_connection [ 128 ] ;
/* exec sql end declare section */
#line 90 "thread.pgc"
/* build up connection name, and connect to database */
snprintf(l_connection, sizeof(l_connection), "thread_%03ld", threadnum);
/* exec sql whenever sqlerror sqlprint ; */
#line 94 "thread.pgc"
{ ECPGconnect(__LINE__, 0, "regress1" , NULL,NULL , l_connection, 0);
#line 95 "thread.pgc"
if (sqlca.sqlcode < 0) sqlprint();}
#line 95 "thread.pgc"
if( sqlca.sqlcode != 0 )
{
printf("%s: ERROR: cannot connect to database!\n", l_connection);
return( NULL );
}
{ ECPGtrans(__LINE__, l_connection, "begin transaction ");
#line 101 "thread.pgc"
if (sqlca.sqlcode < 0) sqlprint();}
#line 101 "thread.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, l_connection, "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 109 "thread.pgc"
if (sqlca.sqlcode < 0) sqlprint();}
#line 109 "thread.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__, l_connection, "commit");
#line 119 "thread.pgc"
if (sqlca.sqlcode < 0) sqlprint();}
#line 119 "thread.pgc"
{ ECPGdisconnect(__LINE__, l_connection);
#line 120 "thread.pgc"
if (sqlca.sqlcode < 0) sqlprint();}
#line 120 "thread.pgc"
#ifdef DEBUG
printf("%s: done!\n", l_connection);
#endif
return( NULL );
}
#endif /* ENABLE_THREAD_SAFETY */
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