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Diffstat (limited to 'Minecraft.Client/PS3/PS3Extras/HeapInspector/Samples/MultiThreadedHook/MultiThreadedHookSample.cpp')
| -rw-r--r-- | Minecraft.Client/PS3/PS3Extras/HeapInspector/Samples/MultiThreadedHook/MultiThreadedHookSample.cpp | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/Minecraft.Client/PS3/PS3Extras/HeapInspector/Samples/MultiThreadedHook/MultiThreadedHookSample.cpp b/Minecraft.Client/PS3/PS3Extras/HeapInspector/Samples/MultiThreadedHook/MultiThreadedHookSample.cpp new file mode 100644 index 00000000..4c872680 --- /dev/null +++ b/Minecraft.Client/PS3/PS3Extras/HeapInspector/Samples/MultiThreadedHook/MultiThreadedHookSample.cpp @@ -0,0 +1,80 @@ +// ================================================================================================================================= +// This sample is more of a show-(and test) case for HeapInspector's. It demonstrates: +// 1) That HeapInspector is multithread safe. +// 2) HeapInspector's ability to deal with allocations prior to Initialise (although those allocations will not be tracked). +// 3) HeapInspector's ability to deal with API calls during static initialisation phase. +// +// In this sample, multiple threads are started that perform allocations for a set period of time. The +// application will wait for those threads to finish. After the time is passed and the application calls Shutdown, +// the client will disconnect. +// +// To switch between launching the threads during the static initalisation phase and launching the treads +// in main, flip the INIT_IN_STATIC_PHASE define. +// +// ================================================================================================================================= + +#include "IThread.h" +#include <stdlib.h> + +void Wait(int a_MilliSeconds); + +#define INIT_IN_STATIC_PHASE 0 +const int g_NumThreads = 4; + +class MultiThreadedAllocator +{ +public: + static void WorkerThread() + { + for (int i = 0; i != 1000; ++i) + { + void* mem1 = malloc(10); + Wait(10); + free(mem1); + Wait(10); + } + } + + MultiThreadedAllocator() + { + for (int i = 0; i != g_NumThreads; ++i) + { + m_Threads[i] = CreateThread(); + m_Threads[i]->Fork(WorkerThread); + } + } + + ~MultiThreadedAllocator() + { + WaitForThreads(); + for (int i = 0; i != g_NumThreads; ++i) + { + DestroyThread(m_Threads[i]); + } + } + +private: + void WaitForThreads() + { + for (int i = 0; i != g_NumThreads; ++i) + { + m_Threads[i]->Join(); + } + } + +private: + IThread* m_Threads[g_NumThreads]; +}; + +#if INIT_IN_STATIC_PHASE +static MultiThreadedAllocator* g_Allocator = new MultiThreadedAllocator(); +#endif + +void RunHeapInspectorServer() +{ +#if !INIT_IN_STATIC_PHASE + MultiThreadedAllocator* g_Allocator = new MultiThreadedAllocator(); +#endif + + delete g_Allocator; +} |
