mirror of
https://github.com/postgres/postgres.git
synced 2026-06-11 09:56:28 -04:00
Tom Lane
6cbb2353cb
machines about casts between pointers and integers of different sizes. While they're harmless, we shouldn't expect users to have to go through and figure that out for themselves.
216 lines
5.3 KiB
C
216 lines
5.3 KiB
C
/* Processed by ecpg (regression mode) */
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/* These include files are added by the preprocessor */
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#include <ecpgtype.h>
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#include <ecpglib.h>
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#include <ecpgerrno.h>
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#include <sqlca.h>
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/* End of automatic include section */
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#define ECPGdebug(X,Y) ECPGdebug((X)+100,(Y))
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#line 1 "thread_implicit.pgc"
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/*
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* Thread test program
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* by Lee Kindness.
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*/
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#include <stdlib.h>
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#include "ecpg_config.h"
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#ifndef ENABLE_THREAD_SAFETY
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int
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main(void)
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{
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printf("No threading enabled.\n");
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return 0;
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}
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#else
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#ifndef WIN32
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#include <pthread.h>
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#else
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#include <windows.h>
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#endif
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#line 1 "regression.h"
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#line 23 "thread_implicit.pgc"
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void *test_thread(void *arg);
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int nthreads = 10;
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int iterations = 20;
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int main(int argc, char *argv[])
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{
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#ifndef WIN32
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pthread_t *threads;
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#else
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HANDLE *threads;
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#endif
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int n;
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/* exec sql begin declare section */
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#line 39 "thread_implicit.pgc"
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int l_rows ;
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/* exec sql end declare section */
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#line 40 "thread_implicit.pgc"
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/* Do not switch on debug output for regression tests. The threads get executed in
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* more or less random order */
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/* ECPGdebug(1, stderr); */
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/* setup test_thread table */
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{ ECPGconnect(__LINE__, 0, "regress1" , NULL, NULL , NULL, 0); }
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#line 47 "thread_implicit.pgc"
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{ ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "drop table test_thread ", ECPGt_EOIT, ECPGt_EORT);}
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#line 48 "thread_implicit.pgc"
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/* DROP might fail */
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{ ECPGtrans(__LINE__, NULL, "commit");}
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#line 49 "thread_implicit.pgc"
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{ ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "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);}
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#line 54 "thread_implicit.pgc"
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{ ECPGtrans(__LINE__, NULL, "commit");}
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#line 55 "thread_implicit.pgc"
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{ ECPGdisconnect(__LINE__, "CURRENT");}
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#line 56 "thread_implicit.pgc"
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/* create, and start, threads */
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threads = calloc(nthreads, sizeof(threads[0]));
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if( threads == NULL )
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{
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fprintf(stderr, "Cannot alloc memory\n");
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return( 1 );
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}
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for( n = 0; n < nthreads; n++ )
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{
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#ifndef WIN32
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pthread_create(&threads[n], NULL, test_thread, (void *) (long) (n + 1));
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#else
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threads[n] = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) test_thread, (void *) (n+1), 0, NULL);
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#endif
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}
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/* wait for thread completion */
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#ifndef WIN32
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for( n = 0; n < nthreads; n++ )
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{
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pthread_join(threads[n], NULL);
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}
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#else
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WaitForMultipleObjects(nthreads, threads, TRUE, INFINITE);
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#endif
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free(threads);
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/* and check results */
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{ ECPGconnect(__LINE__, 0, "regress1" , NULL, NULL , NULL, 0); }
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#line 86 "thread_implicit.pgc"
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{ ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "select count (*) from test_thread ", ECPGt_EOIT,
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ECPGt_int,&(l_rows),(long)1,(long)1,sizeof(int),
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ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
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#line 87 "thread_implicit.pgc"
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{ ECPGtrans(__LINE__, NULL, "commit");}
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#line 88 "thread_implicit.pgc"
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{ ECPGdisconnect(__LINE__, "CURRENT");}
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#line 89 "thread_implicit.pgc"
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if( l_rows == (nthreads * iterations) )
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printf("Success.\n");
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else
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printf("ERROR: Failure - expecting %d rows, got %d.\n", nthreads * iterations, l_rows);
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return( 0 );
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}
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void *test_thread(void *arg)
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{
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long threadnum = (long)arg;
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/* exec sql begin declare section */
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#line 102 "thread_implicit.pgc"
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int l_i ;
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#line 103 "thread_implicit.pgc"
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char l_connection [ 128 ] ;
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/* exec sql end declare section */
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#line 104 "thread_implicit.pgc"
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/* build up connection name, and connect to database */
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#ifndef WIN32_ONLY_COMPILER
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snprintf(l_connection, sizeof(l_connection), "thread_%03ld", threadnum);
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#else
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_snprintf(l_connection, sizeof(l_connection), "thread_%03ld", threadnum);
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#endif
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/* exec sql whenever sqlerror sqlprint ; */
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#line 112 "thread_implicit.pgc"
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{ ECPGconnect(__LINE__, 0, "regress1" , NULL, NULL , l_connection, 0);
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#line 113 "thread_implicit.pgc"
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if (sqlca.sqlcode < 0) sqlprint();}
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#line 113 "thread_implicit.pgc"
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if( sqlca.sqlcode != 0 )
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{
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printf("%s: ERROR: cannot connect to database!\n", l_connection);
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return( NULL );
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}
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{ ECPGtrans(__LINE__, NULL, "begin transaction ");
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#line 119 "thread_implicit.pgc"
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if (sqlca.sqlcode < 0) sqlprint();}
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#line 119 "thread_implicit.pgc"
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/* insert into test_thread table */
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for( l_i = 1; l_i <= iterations; l_i++ )
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{
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{ ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "insert into test_thread ( thread , iteration ) values ( $1 , $2 ) ",
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ECPGt_char,(l_connection),(long)128,(long)1,(128)*sizeof(char),
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ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L,
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ECPGt_int,&(l_i),(long)1,(long)1,sizeof(int),
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ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);
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#line 124 "thread_implicit.pgc"
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if (sqlca.sqlcode < 0) sqlprint();}
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#line 124 "thread_implicit.pgc"
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if( sqlca.sqlcode != 0 )
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printf("%s: ERROR: insert failed!\n", l_connection);
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}
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/* all done */
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{ ECPGtrans(__LINE__, NULL, "commit");
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#line 130 "thread_implicit.pgc"
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if (sqlca.sqlcode < 0) sqlprint();}
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#line 130 "thread_implicit.pgc"
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{ ECPGdisconnect(__LINE__, l_connection);
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#line 131 "thread_implicit.pgc"
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if (sqlca.sqlcode < 0) sqlprint();}
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#line 131 "thread_implicit.pgc"
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return( NULL );
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}
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#endif /* ENABLE_THREAD_SAFETY */
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