/* Processed by ecpg (4.2.1) */ /* These include files are added by the preprocessor */ #include #include #include #include /* End of automatic include section */ #line 1 "thread.pgc" /* * Thread test program * by Philip Yarra & Lee Kindness. */ #include #ifndef ENABLE_THREAD_SAFETY int main(void) { printf("Success.\n"); return 0; } #else #include #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 */