/* * * 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 #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_ */