thread-prep.c File Reference

#include <ecpglib.h>
#include <ecpgerrno.h>
#include <sqlca.h>
#include <stdint.h>
#include <stdlib.h>
#include "ecpg_config.h"
#include <pthread.h>
#include <stdio.h>

Include dependency graph for thread-prep.c:

Go to the source code of this file.

Data Structures
struct	sqlca_t

Macros
#define	ECPGdebug(X, Y)   ECPGdebug((X)+100,(Y))
#define	THREADS   16
#define	REPEATS   50
#define	POSTGRES_SQLCA_H
#define	PGDLLIMPORT
#define	SQLERRMC_LEN   150
#define	sqlca   (*ECPGget_sqlca())

Functions
struct sqlca_t *	ECPGget_sqlca (void)
static void *	fn (void *arg)
int	main ()

Macro Definition Documentation

ECPGdebug

#define ECPGdebug	(		X,
			Y
	)		ECPGdebug((X)+100,(Y))

Definition at line 7 of file thread-prep.c.

PGDLLIMPORT

#define PGDLLIMPORT

Definition at line 36 of file thread-prep.c.

POSTGRES_SQLCA_H

#define POSTGRES_SQLCA_H

Definition at line 30 of file thread-prep.c.

REPEATS

#define REPEATS   50

Definition at line 25 of file thread-prep.c.

sqlca

#define sqlca   (*ECPGget_sqlca())

Definition at line 87 of file thread-prep.c.

SQLERRMC_LEN

#define SQLERRMC_LEN   150

Definition at line 40 of file thread-prep.c.

THREADS

#define THREADS   16

Definition at line 24 of file thread-prep.c.

Function Documentation

ECPGget_sqlca()

struct sqlca_t * ECPGget_sqlca

(

void

)

Definition at line 108 of file misc.c.

{
    struct sqlca_t *sqlca;
 
    pthread_once(&sqlca_key_once, ecpg_sqlca_key_init);
 
    sqlca = pthread_getspecific(sqlca_key);
    if (sqlca == NULL)
    {
        sqlca = malloc(sizeof(struct sqlca_t));
        if (sqlca == NULL)
            return NULL;
        ecpg_init_sqlca(sqlca);
        pthread_setspecific(sqlca_key, sqlca);
    }
    return sqlca;
}

References ecpg_init_sqlca(), ecpg_sqlca_key_init(), malloc, pthread_getspecific(), pthread_setspecific(), sqlca, sqlca_key, and sqlca_key_once.

Referenced by ecpg_get_data(), ECPG_informix_reset_sqlca(), ecpg_init(), ecpg_log(), ecpg_process_output(), ecpg_raise(), ecpg_raise_backend(), ECPGallocate_desc(), ECPGconnect(), ECPGdeallocate_desc(), ECPGdisconnect(), ECPGget_desc(), ECPGget_desc_header(), ECPGnoticeReceiver(), ECPGset_var(), and sqlprint().

fn()

static void * fn ( void *  arg )

static

Definition at line 119 of file thread-prep.c.

{
    int i;
 
    /* exec sql begin declare section */
      
     
       
    
#line 33 "prep.pgc"
 int value ;
 
#line 34 "prep.pgc"
 char name [ 100 ] ;
 
#line 35 "prep.pgc"
 char query [ 256 ] = "INSERT INTO T VALUES ( ? )" ;
/* exec sql end declare section */
#line 36 "prep.pgc"
 
 
    value = (intptr_t) arg;
    sprintf(name, "Connection: %d", value);
 
    { ECPGconnect(__LINE__, 0, "ecpg1_regression" , NULL, NULL , name, 0); 
#line 41 "prep.pgc"
 
if (sqlca.sqlcode < 0) sqlprint();}
#line 41 "prep.pgc"
 
    { ECPGsetcommit(__LINE__, "on", NULL);
#line 42 "prep.pgc"
 
if (sqlca.sqlcode < 0) sqlprint();}
#line 42 "prep.pgc"
 
    for (i = 1; i <= REPEATS; ++i)
    {
        { ECPGprepare(__LINE__, NULL, 0, "i", query);
#line 45 "prep.pgc"
 
if (sqlca.sqlcode < 0) sqlprint();}
#line 45 "prep.pgc"
 
        { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_execute, "i", 
    ECPGt_int,&(value),(long)1,(long)1,sizeof(int), 
    ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);
#line 46 "prep.pgc"
 
if (sqlca.sqlcode == ECPG_NOT_FOUND) sqlprint();
#line 46 "prep.pgc"
 
if (sqlca.sqlcode < 0) sqlprint();}
#line 46 "prep.pgc"
 
    }
    { ECPGdeallocate(__LINE__, 0, NULL, "i");
#line 48 "prep.pgc"
 
if (sqlca.sqlcode < 0) sqlprint();}
#line 48 "prep.pgc"
 
    { ECPGdisconnect(__LINE__, name);
#line 49 "prep.pgc"
 
if (sqlca.sqlcode < 0) sqlprint();}
#line 49 "prep.pgc"
 
 
    return 0;
}

References arg, ECPG_NOT_FOUND, ECPGconnect(), ECPGdeallocate(), ECPGdisconnect(), ECPGdo(), ECPGprepare(), ECPGsetcommit(), ECPGst_execute, ECPGt_EOIT, ECPGt_EORT, ECPGt_int, ECPGt_NO_INDICATOR, i, name, REPEATS, sprintf, sqlca, sqlprint(), and value.

Referenced by main().

main()

int main

(

void

)

Definition at line 192 of file thread-prep.c.

{
    intptr_t i;
#ifdef WIN32
    HANDLE threads[THREADS];
#else
    pthread_t threads[THREADS];
#endif
 
    { ECPGconnect(__LINE__, 0, "ecpg1_regression" , NULL, NULL , NULL, 0); 
#line 63 "prep.pgc"
 
if (sqlca.sqlcode < 0) sqlprint();}
#line 63 "prep.pgc"
 
    { ECPGsetcommit(__LINE__, "on", NULL);
#line 64 "prep.pgc"
 
if (sqlca.sqlcode < 0) sqlprint();}
#line 64 "prep.pgc"
 
    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "drop table if exists T", ECPGt_EOIT, ECPGt_EORT);
#line 65 "prep.pgc"
 
if (sqlca.sqlcode < 0) sqlprint();}
#line 65 "prep.pgc"
 
    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "create table T ( i int )", ECPGt_EOIT, ECPGt_EORT);
#line 66 "prep.pgc"
 
if (sqlca.sqlcode < 0) sqlprint();}
#line 66 "prep.pgc"
 
    { ECPGdisconnect(__LINE__, "CURRENT");
#line 67 "prep.pgc"
 
if (sqlca.sqlcode < 0) sqlprint();}
#line 67 "prep.pgc"
 
 
#ifdef WIN32
    for (i = 0; i < THREADS; ++i)
    {
        unsigned id;
        threads[i] = (HANDLE)_beginthreadex(NULL, 0, fn, (void*)i, 0, &id);
    }
 
    WaitForMultipleObjects(THREADS, threads, TRUE, INFINITE);
    for (i = 0; i < THREADS; ++i)
        CloseHandle(threads[i]);
#else
    for (i = 0; i < THREADS; ++i)
        pthread_create(&threads[i], NULL, fn, (void *) i);
    for (i = 0; i < THREADS; ++i)
        pthread_join(threads[i], NULL);
#endif
 
    return 0;
}

References ECPGconnect(), ECPGdisconnect(), ECPGdo(), ECPGsetcommit(), ECPGst_normal, ECPGt_EOIT, ECPGt_EORT, fn(), i, sqlca, sqlprint(), and THREADS.