105 lines
3.4 KiB
C
105 lines
3.4 KiB
C
/*
|
|
*
|
|
* Description: See "environ.c"
|
|
*
|
|
* Comments: See "readme.txt" for copyright and license information.
|
|
*
|
|
*/
|
|
|
|
#ifndef __ENVIRON_H__
|
|
#define __ENVIRON_H__
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include "psqlodbc.h"
|
|
|
|
#if defined (POSIX_MULTITHREAD_SUPPORT)
|
|
#include <pthread.h>
|
|
#endif
|
|
|
|
#define ENV_ALLOC_ERROR 1
|
|
|
|
/********** Environment Handle *************/
|
|
struct EnvironmentClass_
|
|
{
|
|
char *errormsg;
|
|
int errornumber;
|
|
Int4 flag;
|
|
#if defined(WIN_MULTITHREAD_SUPPORT)
|
|
CRITICAL_SECTION cs;
|
|
#elif defined(POSIX_MULTITHREAD_SUPPORT)
|
|
pthread_mutex_t cs;
|
|
#endif /* WIN_MULTITHREAD_SUPPORT */
|
|
};
|
|
|
|
/* Environment prototypes */
|
|
EnvironmentClass *EN_Constructor(void);
|
|
char EN_Destructor(EnvironmentClass *self);
|
|
char EN_get_error(EnvironmentClass *self, int *number, char **message);
|
|
char EN_add_connection(EnvironmentClass *self, ConnectionClass *conn);
|
|
char EN_remove_connection(EnvironmentClass *self, ConnectionClass *conn);
|
|
void EN_log_error(const char *func, char *desc, EnvironmentClass *self);
|
|
int getConnCount(void);
|
|
ConnectionClass * const *getConnList(void);
|
|
|
|
#define EN_OV_ODBC2 1L
|
|
#define EN_CONN_POOLING (1L<<1)
|
|
#define EN_is_odbc2(env) ((env->flag & EN_OV_ODBC2) != 0)
|
|
#define EN_is_odbc3(env) (env && (env->flag & EN_OV_ODBC2) == 0)
|
|
#define EN_set_odbc2(env) (env->flag |= EN_OV_ODBC2)
|
|
#define EN_set_odbc3(env) (env->flag &= ~EN_OV_ODBC2)
|
|
#define EN_is_pooling(env) (env && (env->flag & EN_CONN_POOLING) != 0)
|
|
#define EN_set_pooling(env) (env->flag |= EN_CONN_POOLING)
|
|
#define EN_unset_pooling(env) (env->flag &= ~EN_CONN_POOLING)
|
|
|
|
/* For Multi-thread */
|
|
#if defined( WIN_MULTITHREAD_SUPPORT)
|
|
#define INIT_CONNS_CS InitializeCriticalSection(&conns_cs)
|
|
#define ENTER_CONNS_CS EnterCriticalSection(&conns_cs)
|
|
#define LEAVE_CONNS_CS LeaveCriticalSection(&conns_cs)
|
|
#define DELETE_CONNS_CS DeleteCriticalSection(&conns_cs)
|
|
#define INIT_ENV_CS(x) InitializeCriticalSection(&((x)->cs))
|
|
#define ENTER_ENV_CS(x) EnterCriticalSection(&((x)->cs))
|
|
#define LEAVE_ENV_CS(x) LeaveCriticalSection(&((x)->cs))
|
|
#define DELETE_ENV_CS(x) DeleteCriticalSection(&((x)->cs))
|
|
#define INIT_COMMON_CS InitializeCriticalSection(&common_cs)
|
|
#define ENTER_COMMON_CS EnterCriticalSection(&common_cs)
|
|
#define LEAVE_COMMON_CS LeaveCriticalSection(&common_cs)
|
|
#define DELETE_COMMON_CS DeleteCriticalSection(&common_cs)
|
|
#elif defined(POSIX_MULTITHREAD_SUPPORT)
|
|
#define INIT_CONNS_CS pthread_mutex_init(&conns_cs,0)
|
|
#define ENTER_CONNS_CS pthread_mutex_lock(&conns_cs)
|
|
#define LEAVE_CONNS_CS pthread_mutex_unlock(&conns_cs)
|
|
#define DELETE_CONNS_CS pthread_mutex_destroy(&conns_cs)
|
|
#define INIT_ENV_CS(x) pthread_mutex_init(&((x)->cs),0)
|
|
#define ENTER_ENV_CS(x) pthread_mutex_lock(&((x)->cs))
|
|
#define LEAVE_ENV_CS(x) pthread_mutex_unlock(&((x)->cs))
|
|
#define DELETE_ENV_CS(x) pthread_mutex_destroy(&((x)->cs))
|
|
#define INIT_COMMON_CS pthread_mutex_init(&common_cs,0)
|
|
#define ENTER_COMMON_CS pthread_mutex_lock(&common_cs)
|
|
#define LEAVE_COMMON_CS pthread_mutex_unlock(&common_cs)
|
|
#define DELETE_COMMON_CS pthread_mutex_destroy(&common_cs)
|
|
#else
|
|
#define INIT_CONNS_CS
|
|
#define ENTER_CONNS_CS
|
|
#define LEAVE_CONNS_CS
|
|
#define DELETE_CONNS_CS
|
|
#define INIT_ENV_CS(x)
|
|
#define ENTER_ENV_CS(x)
|
|
#define LEAVE_ENV_CS(x)
|
|
#define DELETE_ENV_CS(x)
|
|
#define INIT_COMMON_CS
|
|
#define ENTER_COMMON_CS
|
|
#define LEAVE_COMMON_CS
|
|
#define DELETE_COMMON_CS
|
|
#endif /* WIN_MULTITHREAD_SUPPORT */
|
|
|
|
void shortterm_common_lock(void);
|
|
void shortterm_common_unlock(void);
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif /* __ENVIRON_H_ */
|