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27 #include "wtf/Threading.h"
29 #include "wtf/OwnPtr.h"
30 #include "wtf/PassOwnPtr.h"
31 #include "wtf/ThreadingPrimitives.h"
36 struct NewThreadContext {
38 NewThreadContext(ThreadFunction entryPoint, void* data, const char* name)
39 : entryPoint(entryPoint)
45 ThreadFunction entryPoint;
52 static void threadEntryPoint(void* contextData)
54 NewThreadContext* context = reinterpret_cast<NewThreadContext*>(contextData);
56 // Block until our creating thread has completed any extra setup work, including
57 // establishing ThreadIdentifier.
59 MutexLocker locker(context->creationMutex);
62 initializeCurrentThreadInternal(context->name);
64 // Grab the info that we need out of the context, then deallocate it.
65 ThreadFunction entryPoint = context->entryPoint;
66 void* data = context->data;
72 ThreadIdentifier createThread(ThreadFunction entryPoint, void* data, const char* name)
74 // Visual Studio has a 31-character limit on thread names. Longer names will
75 // be truncated silently, but we'd like callers to know about the limit.
77 if (name && strlen(name) > 31)
78 WTF_LOG_ERROR("Thread name \"%s\" is longer than 31 characters and will be truncated by Visual Studio", name);
81 NewThreadContext* context = new NewThreadContext(entryPoint, data, name);
83 // Prevent the thread body from executing until we've established the thread identifier.
84 MutexLocker locker(context->creationMutex);
86 return createThreadInternal(threadEntryPoint, context, name);