提交 3e6471eb 编写于 作者: weixin_48148422's avatar weixin_48148422

enhance exception handling

上级 b42a8214
......@@ -265,6 +265,10 @@ void tscTryQueryNextVnode(SSqlObj *pSql, __async_cb_func_t fp);
void tscAsyncQuerySingleRowForNextVnode(void *param, TAOS_RES *tres, int numOfRows);
void tscTryQueryNextClause(SSqlObj* pSql, void (*queryFp)());
void* malloc_throw(size_t size);
void* calloc_throw(size_t nmemb, size_t size);
char* strdup_throw(const char* str);
#ifdef __cplusplus
}
#endif
......
......@@ -2156,3 +2156,26 @@ void tscGetResultColumnChr(SSqlRes* pRes, SFieldInfo* pFieldInfo, int32_t column
}
}
void* malloc_throw(size_t size) {
void* p = malloc(size);
if (p == NULL) {
THROW(TSDB_CODE_CLI_OUT_OF_MEMORY);
}
return p;
}
void* calloc_throw(size_t nmemb, size_t size) {
void* p = malloc(size);
if (p == NULL) {
THROW(TSDB_CODE_CLI_OUT_OF_MEMORY);
}
return p;
}
char* strdup_throw(const char* str) {
char* p = strdup(str);
if (p == NULL) {
THROW(TSDB_CODE_CLI_OUT_OF_MEMORY);
}
return p;
}
......@@ -73,6 +73,7 @@ void cleanupPush_void_ptr_bool ( bool failOnly, void* func, void* arg1, bool ar
void cleanupPush_void_ptr ( bool failOnly, void* func, void* arg );
void cleanupPush_int_int ( bool failOnly, void* func, int arg );
void cleanupPush_void ( bool failOnly, void* func );
void cleanupPush_int_ptr ( bool failOnly, void* func, void* arg );
int32_t cleanupGetActionCount();
void cleanupExecuteTo( int32_t anchor, bool failed );
......@@ -83,8 +84,10 @@ void cleanupExecute( SExceptionNode* node, bool failed );
#define CLEANUP_PUSH_VOID_PTR( failOnly, func, arg ) cleanupPush_void_ptr( (failOnly), (void*)(func), (void*)(arg) )
#define CLEANUP_PUSH_INT_INT( failOnly, func, arg ) cleanupPush_void_ptr( (failOnly), (void*)(func), (int)(arg) )
#define CLEANUP_PUSH_VOID( failOnly, func ) cleanupPush_void( (failOnly), (void*)(func) )
#define CLEANUP_PUSH_INT_PTR( failOnly, func, arg ) cleanupPush_int_ptr( (failOnly), (void*)(func), (void*)(arg) )
#define CLEANUP_PUSH_FREE( failOnly, arg ) cleanupPush_void_ptr( (failOnly), free, (void*)(arg) )
#define CLEANUP_PUSH_CLOSE( failOnly, arg ) cleanupPush_int_int( (failOnly), close, (int)(arg) )
#define CLEANUP_PUSH_FCLOSE( failOnly, arg ) cleanupPush_int_ptr( (failOnly), fclose, (void*)(arg) )
#define CLEANUP_GET_ANCHOR() cleanupGetActionCount()
#define CLEANUP_EXECUTE_TO( anchor, failed ) cleanupExecuteTo( (anchor), (failed) )
......@@ -95,7 +98,7 @@ void cleanupExecute( SExceptionNode* node, bool failed );
void exceptionPushNode( SExceptionNode* node );
int32_t exceptionPopNode();
void exceptionThrow( int code );
void exceptionThrow( int32_t code );
#define TRY(maxCleanupActions) do { \
SExceptionNode exceptionNode = { 0 }; \
......@@ -106,10 +109,10 @@ void exceptionThrow( int code );
int caughtException = setjmp( exceptionNode.jb ); \
if( caughtException == 0 )
#define CATCH( code ) int code = exceptionPopNode(); \
#define CATCH( code ) int32_t code = exceptionPopNode(); \
if( caughtException == 1 )
#define FINALLY( code ) int code = exceptionPopNode();
#define FINALLY( code ) int32_t code = exceptionPopNode();
#define END_TRY } while( 0 );
......
......@@ -14,7 +14,7 @@ int32_t exceptionPopNode() {
return node->code;
}
void exceptionThrow( int code ) {
void exceptionThrow( int32_t code ) {
expList->code = code;
longjmp( expList->jb, 1 );
}
......@@ -38,21 +38,27 @@ static void cleanupWrapper_void_ptr( SCleanupAction* ca ) {
static void cleanupWrapper_int_int( SCleanupAction* ca ) {
int (*func)( int ) = ca->func;
func( (int)(intptr_t)(ca->arg1.Int) );
func( ca->arg1.Int );
}
static void cleanupWrapper_void_void( SCleanupAction* ca ) {
static void cleanupWrapper_void( SCleanupAction* ca ) {
void (*func)() = ca->func;
func();
}
static void cleanupWrapper_int_ptr( SCleanupAction* ca ) {
int (*func)( void* ) = ca->func;
func( ca->arg1.Ptr );
}
typedef void (*wrapper)(SCleanupAction*);
static wrapper wrappers[] = {
cleanupWrapper_void_ptr_ptr,
cleanupWrapper_void_ptr_bool,
cleanupWrapper_void_ptr,
cleanupWrapper_int_int,
cleanupWrapper_void_void,
cleanupWrapper_void,
cleanupWrapper_int_ptr,
};
......@@ -107,6 +113,15 @@ void cleanupPush_void( bool failOnly, void* func ) {
ca->func = func;
}
void cleanupPush_int_ptr( bool failOnly, void* func, void* arg ) {
assert( expList->numCleanupAction < expList->maxCleanupAction );
SCleanupAction *ca = expList->cleanupActions + expList->numCleanupAction++;
ca->wrapper = 5;
ca->failOnly = failOnly;
ca->func = func;
ca->arg1.Ptr = arg;
}
int32_t cleanupGetActionCount() {
......@@ -118,8 +133,9 @@ static void doExecuteCleanup( SExceptionNode* node, int32_t anchor, bool failed
while( node->numCleanupAction > anchor ) {
--node->numCleanupAction;
SCleanupAction *ca = node->cleanupActions + node->numCleanupAction;
if( failed || !(ca->failOnly) )
if( failed || !(ca->failOnly) ) {
wrappers[ca->wrapper]( ca );
}
}
}
......
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