thread-descriptor.c File Reference

#include <ecpglib.h>
#include <ecpgerrno.h>
#include <sqlca.h>
#include <pthread.h>
#include <stdio.h>

Include dependency graph for thread-descriptor.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   50000
#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-descriptor.c.

PGDLLIMPORT

#define PGDLLIMPORT

Definition at line 32 of file thread-descriptor.c.

POSTGRES_SQLCA_H

#define POSTGRES_SQLCA_H

Definition at line 26 of file thread-descriptor.c.

REPEATS

#define REPEATS   50000

Definition at line 21 of file thread-descriptor.c.

sqlca

#define sqlca   (*ECPGget_sqlca())

Definition at line 83 of file thread-descriptor.c.

SQLERRMC_LEN

#define SQLERRMC_LEN   150

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

THREADS

#define THREADS   16

Definition at line 20 of file thread-descriptor.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;
}

fn()

static void* fn ( void *  arg )

static

Definition at line 104 of file thread-descriptor.c.

{
    int i;
 
    for (i = 1; i <= REPEATS; ++i)
    {
        ECPGallocate_desc(__LINE__, "mydesc");
#line 28 "descriptor.pgc"
 
if (sqlca.sqlcode < 0) sqlprint();
#line 28 "descriptor.pgc"
 
        ECPGdeallocate_desc(__LINE__, "mydesc");
#line 29 "descriptor.pgc"
 
if (sqlca.sqlcode < 0) sqlprint();
#line 29 "descriptor.pgc"
 
    }
 
    return 0;
}

References ECPGallocate_desc(), ECPGdeallocate_desc(), i, REPEATS, sqlca, and sqlprint().

Referenced by main().

main()

int main

(

void

)

Definition at line 128 of file thread-descriptor.c.

{
    int i;
#ifdef WIN32
    HANDLE threads[THREADS];
#else
    pthread_t threads[THREADS];
#endif
 
#ifdef WIN32
    for (i = 0; i < THREADS; ++i)
    {
        unsigned id;
        threads[i] = (HANDLE)_beginthreadex(NULL, 0, fn, NULL, 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, NULL);
    for (i = 0; i < THREADS; ++i)
        pthread_join(threads[i], NULL);
#endif
 
    return 0;
}

References fn(), i, and THREADS.