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In C++17 you can simply use std::gcd(x, y) or std::lcm(x, y). → Reply H_J_Granger 5 years ago, # | -8 Maybe __gcd is not a standard function? However, std::gcd is a standard function in C++17. → Reply Adnan_Alaref 4 years ago, # | -42 I use this funct...
Cancel allOperations in a queue: queue.cancelAll() Pause a queue: queue.pause() Warning By callingpause()you will not be sure that everyOperationwill be paused. If theOperationis already started it will not be on pause until it's a customOperationthat overridespause()function. ...
+ (void)setBuiltInLogger:(GCDWebServerBuiltInLoggerBlock)block; /** * Logs a message to the logging facility at the VERBOSE level. */ - (void)logVerbose:(NSString*)format, ... NS_FORMAT_FUNCTION(1, 2); /** * Logs a message to the logging facility at the INFO level. *...
The error we receive is - Error Domain=NSPOSIXErrorDomain Code=60 "Operation timed out" UserInfo={NSLocalizedDescription= Operation timed out, NSLocalizedFailureReason=Error in connect() function} Boost Copy pt_test question DTS Engineer Apple Jun ’21 Well, if it’s returning an error and ...
(dq,0);}DISPATCH_ALWAYS_INLINEstaticinlinevoid_dispatch_sync_function_invoke_inline(dispatch_queue_class_t dq,void*ctxt,dispatch_function_t func){dispatch_thread_frame_s dtf;_dispatch_thread_frame_push(&dtf,dq);_dispatch_client_callout(ctxt,func);_dispatch_perfmon_workitem_inc();_dispatch_...
do_xref_cnt);\//_OS_OBJECT_HEADER定义structdispatch_##x##_s*volatiledo_next;\//下一个任务dispatch_function_t dc_func;\//执行内容void*dc_ctxt;\//上下文void*dc_data;\//相关数据void*dc_other;//其他 dispatch_object_t是个union的联合体,可以用dispatch_object_t代表这个联合体里的所有数据结...
GCD(∨) is adyadicscalar functionwhich returns theGreatest Common Divisorof two integer arguments. It is an extension ofOrwhich maintains the same results onBooleanarguments and the sameidentity element0, in the same way thatLCMextendsAnd. ...
dispatch_sync[_f]: Sending a block or function (_f) to the queue specified, and blocking until exection completes. Note that this doesn't necessarily mean the block or function will be executed in the current thread context - only that the current thread will block (that is, hang) so ...
#definefastpath(x) ((typeof(x))__builtin_expect((long)(x), ~0l))#defineslowpath(x) ((typeof(x))__builtin_expect((long)(x), 0l)) function vs block gcd支持function和block的执行,相应的其提供了两种方法来支持function和block的入队,简单的举个例子。所以当我们看到不带f和带f的同名函数...