func: void PMSignalShmemInit() bool found ; PMSignalState = ( ( PMSignalData * ) ( ShmemInitStruct ( "PMSignalState" , PMSignalShmemSize ( ) , & found ) ) ); Size PMSignalShmemSize() Size size ; size = ( ( size_t ) ( & ( ( PMSignalData * ) 0 ) -> PMChildFlags ) ); size = add_size ( size , mul_size ( ( MaxLivePostmasterChildren ( ) ) , sizeof ( sig_atomic_t ) ) ); return size ; if ( ! found )  void * _vstart = ( void * ) PMSignalState ; int _val = 0 ; Size _len = PMSignalShmemSize ( ) ; Size PMSignalShmemSize() Size size ; size = ( ( size_t ) ( & ( ( PMSignalData * ) 0 ) -> PMChildFlags ) ); size = add_size ( size , mul_size ( ( MaxLivePostmasterChildren ( ) ) , sizeof ( sig_atomic_t ) ) ); return size ; if ( ( ( ( intptr_t ) _vstart ) & sizeof ( long ) - 1 ) == 0 && ( _len & sizeof ( long ) - 1 ) == 0 && _val == 0 && _len <= 1024 && 1024 != 0 )  memset ( _vstart , _val , _len ); while ( 0 )  