mirror of
https://github.com/postgres/postgres.git
synced 2026-02-25 19:02:00 -05:00
96b171903d
ecpglib supports it. Change configure (patch from Bruce) and msvc build system to no longer require pthreads on win32, since all parts of postgresql can be thread-safe using the native platform functions.
211 lines
5.1 KiB
C
211 lines
5.1 KiB
C
/* Processed by ecpg (regression mode) */
|
|
/* 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 */
|
|
#define ECPGdebug(X,Y) ECPGdebug((X)+100,(Y))
|
|
|
|
#line 1 "thread_implicit.pgc"
|
|
/*
|
|
* Thread test program
|
|
* by Lee Kindness.
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include "ecpg_config.h"
|
|
|
|
#ifndef ENABLE_THREAD_SAFETY
|
|
int
|
|
main(void)
|
|
{
|
|
printf("No threading enabled.\n");
|
|
return 0;
|
|
}
|
|
#else
|
|
#ifndef WIN32
|
|
#include <pthread.h>
|
|
#else
|
|
#include <windows.h>
|
|
#endif
|
|
|
|
|
|
#line 1 "regression.h"
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#line 23 "thread_implicit.pgc"
|
|
|
|
|
|
void *test_thread(void *arg);
|
|
|
|
int nthreads = 10;
|
|
int iterations = 20;
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
#ifndef WIN32
|
|
pthread_t *threads;
|
|
#else
|
|
HANDLE *threads;
|
|
#endif
|
|
int n;
|
|
/* exec sql begin declare section */
|
|
|
|
|
|
#line 39 "thread_implicit.pgc"
|
|
int l_rows ;
|
|
/* exec sql end declare section */
|
|
#line 40 "thread_implicit.pgc"
|
|
|
|
|
|
/* Do not switch on debug output for regression tests. The threads get executed in
|
|
* more or less random order */
|
|
/* ECPGdebug(1, stderr); */
|
|
|
|
/* setup test_thread table */
|
|
{ ECPGconnect(__LINE__, 0, "regress1" , NULL, NULL , NULL, 0); }
|
|
#line 47 "thread_implicit.pgc"
|
|
|
|
{ ECPGdo(__LINE__, 0, 1, NULL, "drop table test_thread ", ECPGt_EOIT, ECPGt_EORT);}
|
|
#line 48 "thread_implicit.pgc"
|
|
/* DROP might fail */
|
|
{ ECPGtrans(__LINE__, NULL, "commit");}
|
|
#line 49 "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 54 "thread_implicit.pgc"
|
|
|
|
{ ECPGtrans(__LINE__, NULL, "commit");}
|
|
#line 55 "thread_implicit.pgc"
|
|
|
|
{ ECPGdisconnect(__LINE__, "CURRENT");}
|
|
#line 56 "thread_implicit.pgc"
|
|
|
|
|
|
/* create, and start, threads */
|
|
threads = calloc(nthreads, sizeof(threads[0]));
|
|
if( threads == NULL )
|
|
{
|
|
fprintf(stderr, "Cannot alloc memory\n");
|
|
return( 1 );
|
|
}
|
|
for( n = 0; n < nthreads; n++ )
|
|
{
|
|
#ifndef WIN32
|
|
pthread_create(&threads[n], NULL, test_thread, (void *) (n + 1));
|
|
#else
|
|
threads[n] = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) test_thread, (void *) (n+1), 0, NULL);
|
|
#endif
|
|
}
|
|
|
|
/* wait for thread completion */
|
|
#ifndef WIN32
|
|
for( n = 0; n < nthreads; n++ )
|
|
{
|
|
pthread_join(threads[n], NULL);
|
|
}
|
|
#else
|
|
WaitForMultipleObjects(nthreads, threads, TRUE, INFINITE);
|
|
#endif
|
|
free(threads);
|
|
|
|
/* and check results */
|
|
{ ECPGconnect(__LINE__, 0, "regress1" , NULL, NULL , NULL, 0); }
|
|
#line 86 "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 87 "thread_implicit.pgc"
|
|
|
|
{ ECPGtrans(__LINE__, NULL, "commit");}
|
|
#line 88 "thread_implicit.pgc"
|
|
|
|
{ ECPGdisconnect(__LINE__, "CURRENT");}
|
|
#line 89 "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 102 "thread_implicit.pgc"
|
|
int l_i ;
|
|
|
|
#line 103 "thread_implicit.pgc"
|
|
char l_connection [ 128 ] ;
|
|
/* exec sql end declare section */
|
|
#line 104 "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 108 "thread_implicit.pgc"
|
|
|
|
{ ECPGconnect(__LINE__, 0, "regress1" , NULL, NULL , l_connection, 0);
|
|
#line 109 "thread_implicit.pgc"
|
|
|
|
if (sqlca.sqlcode < 0) sqlprint();}
|
|
#line 109 "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 115 "thread_implicit.pgc"
|
|
|
|
if (sqlca.sqlcode < 0) sqlprint();}
|
|
#line 115 "thread_implicit.pgc"
|
|
|
|
|
|
/* insert into test_thread table */
|
|
for( l_i = 1; l_i <= iterations; l_i++ )
|
|
{
|
|
{ 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 120 "thread_implicit.pgc"
|
|
|
|
if (sqlca.sqlcode < 0) sqlprint();}
|
|
#line 120 "thread_implicit.pgc"
|
|
|
|
if( sqlca.sqlcode != 0 )
|
|
printf("%s: ERROR: insert failed!\n", l_connection);
|
|
}
|
|
|
|
/* all done */
|
|
{ ECPGtrans(__LINE__, NULL, "commit");
|
|
#line 126 "thread_implicit.pgc"
|
|
|
|
if (sqlca.sqlcode < 0) sqlprint();}
|
|
#line 126 "thread_implicit.pgc"
|
|
|
|
{ ECPGdisconnect(__LINE__, l_connection);
|
|
#line 127 "thread_implicit.pgc"
|
|
|
|
if (sqlca.sqlcode < 0) sqlprint();}
|
|
#line 127 "thread_implicit.pgc"
|
|
|
|
return( NULL );
|
|
}
|
|
#endif /* ENABLE_THREAD_SAFETY */
|