thread-descriptor.c File Reference

#include <ecpglib.h>
#include <ecpgerrno.h>
#include <sqlca.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 34 of file thread-descriptor.c.

POSTGRES_SQLCA_H

#define POSTGRES_SQLCA_H

Definition at line 28 of file thread-descriptor.c.

REPEATS

#define REPEATS   50000

Definition at line 23 of file thread-descriptor.c.

Referenced by fn(), and main().

sqlca

#define sqlca   (*ECPGget_sqlca())

Definition at line 85 of file thread-descriptor.c.

Referenced by fn().

SQLERRMC_LEN

#define SQLERRMC_LEN   150

Definition at line 38 of file thread-descriptor.c.

THREADS

#define THREADS   16

Definition at line 22 of file thread-descriptor.c.

Referenced by main().

Function Documentation

ECPGget_sqlca()

struct sqlca_t* ECPGget_sqlca

(

void

)

Definition at line 141 of file misc.c.

References ecpg_init_sqlca(), malloc, pthread_getspecific(), pthread_setspecific(), and sqlca.

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(), main(), and sqlprint().

{
#ifdef ENABLE_THREAD_SAFETY
    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;
#else
    return &sqlca;
#endif
}

fn()

static void* fn ( void *  arg )

static

Definition at line 106 of file thread-descriptor.c.

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

Referenced by _ArchiveEntry(), check_foreign_key(), create_LifetimeEnd(), ECPGis_noind_null(), expand_tilde(), format_function_arguments(), format_function_arguments_old(), format_function_signature(), main(), open_walfile(), pgfnames_cleanup(), scan_directory(), and SetOutput().

{
    int i;

    for (i = 1; i <= REPEATS; ++i)
    {
        ECPGallocate_desc(__LINE__, "mydesc");
#line 30 "descriptor.pgc"

if (sqlca.sqlcode < 0) sqlprint();
#line 30 "descriptor.pgc"

        ECPGdeallocate_desc(__LINE__, "mydesc");
#line 31 "descriptor.pgc"

if (sqlca.sqlcode < 0) sqlprint();
#line 31 "descriptor.pgc"

    }

    return 0;
}

main()

int main

(

void

)

Definition at line 130 of file thread-descriptor.c.

References fn(), i, and THREADS.

{
#ifdef ENABLE_THREAD_SAFETY
    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
#else
    fn(NULL);
#endif

    return 0;
}