std::queue for storing tasks, std::mutex to implement locking, std::condtional_variables for notifications. Methods of SafeQueue class: Push method - writes a new task to the beginning of the queue. It grabs a mutex, and when the operation is finished, the conditional variable is notified...
ELPP_FORCE_USE_STD_THREAD Forces to use C++ standard library for threading (Only useful when using ELPP_THREAD_SAFE ELPP_FEATURE_CRASH_LOG Applicable to GCC only. Enables stacktrace on application crash ELPP_DISABLE_DEFAULT_CRASH_HANDLING Disables default crash handling. You can use el::Helpers:...
The Camel documentation says "The FTP consumer (with the same endpoint) does not support concurrency (the backing FTP client is not thread safe). You can use multiple FTP consumers to poll from different endpoints. It is only a single endpoint that does not support concurrent consumers."http:...
Future<Integer> p2 = pool.submit(()->{ Thread.sleep(1000); System.out.println(Thread.currentThread().getName()+"...2");return3;}); Future<Integer> p3 = pool.submit(()->{ Thread.sleep(1000); System.out.println(Thread.currentThread().getName()+"...3");return4;}); Future<Intege...
#include <UT/UT_Vector3.h> #include <VEX/VEX_VexOp.h> namespace HDK_Sample { static double frandom(std::size_t hash) { #if 1 // For VEX, we need something that produces the same results in a // thread-safe fashion (thus random() and even random_r() are not // ...
(Backend::Google::ProtectionType, NSObject<OS_xpc_object>*) + 188 6 SafariSafeBrowsing 0x6ea0 invocation function for block in SafeBrowsing::LookupContext::dispatchWhenDatabasesAreAvailable(Backend::Google::ProtectionType, std::__1::function<void (std::__1::error_code)>)::$_15::operator(...
[migration/18:100] [ 3252.147006] Modules linked in: nfnetlink_queue nfnetlink_log nfnetlink bluetooth rfkill nfs fscache vxfen(POE) vxglm(POE) vxodm(POE) gab(POE) nf_conntrack_ipv4 nf_defrag_ipv4 xt_owner iptable_security xt_conntrack nf_conntrack dmpjbod(POE) dmpap(POE) dmpaa(POE) vx...
我的一个项目并发200+,观察服务器的日志发现出现了大量的熔断超时偶尔会闪现出RejectedExecutionException: Rejected command because thread-pool queueSize is at rejection threshold。 在高并发的前提下出现熔断超时: 1.先确定是否是自己接口的问题,接口平均响应时长是多少?
Motti Lanzkron's seldom updated blog about programming, parenting and other things beginning with 'P'
You could write the string data into a static buffer and return that, but that wouldn't be thread-safe. I'm at a loss to figure out a safe way to do this, other than adding operator char * to the string class. (Which is, of course, a bad idea.) - Chris Lutz Very nice, ...