trAvis - MANAGER

Edit File: mt_support.h

/* * mt_support.h - multi-thread resource locking support declarations */ /* * Author: Markku Laukkanen * Created: 6-Sep-1999 * History: * 8-Sep-1999 M. Slifcak method names changed; * use array of resource locking structures. */ #ifndef MT_SUPPORT_H #define MT_SUPPORT_H #ifdef __cplusplus extern "C" { #endif /* * Lock group identifiers */ #define MT_LIBRARY_ID 0 #define MT_APPLICATION_ID 1 #define MT_TOKEN_ID 2 #define MT_MAX_IDS 3 /* one greater than last from above */ #define MT_MAX_SUBIDS 10 /* * Lock resource identifiers for library resources */ #define MT_LIB_NONE 0 #define MT_LIB_SESSION 1 #define MT_LIB_REQUESTID 2 #define MT_LIB_MESSAGEID 3 #define MT_LIB_SESSIONID 4 #define MT_LIB_TRANSID 5 #define MT_LIB_MAXIMUM 6 /* must be one greater than the last one */ #if defined(NETSNMP_REENTRANT) || defined(WIN32) #if HAVE_PTHREAD_H #include <pthread.h> typedef pthread_mutex_t mutex_type; #ifdef pthread_mutexattr_default #define MT_MUTEX_INIT_DEFAULT pthread_mutexattr_default #else #define MT_MUTEX_INIT_DEFAULT 0 #endif #elif defined(WIN32) || defined(cygwin) #include <windows.h> typedef CRITICAL_SECTION mutex_type; #else /* HAVE_PTHREAD_H */ error "There is no re-entrant support as defined." #endif /* HAVE_PTHREAD_H */ NETSNMP_IMPORT int snmp_res_init(void); NETSNMP_IMPORT int snmp_res_lock(int groupID, int resourceID); NETSNMP_IMPORT int snmp_res_unlock(int groupID, int resourceID); NETSNMP_IMPORT int snmp_res_destroy_mutex(int groupID, int resourceID); #else /* NETSNMP_REENTRANT */ #ifndef WIN32 #define snmp_res_init() do {} while (0) #define snmp_res_lock(x,y) do {} while (0) #define snmp_res_unlock(x,y) do {} while (0) #define snmp_res_destroy_mutex(x,y) do {} while (0) #endif /* WIN32 */ #endif /* NETSNMP_REENTRANT */ #ifdef __cplusplus } #endif #endif /* MT_SUPPORT_H */