Stefan Boberg bionicbeagle
bionicbeagle
/ cpu_api.patch
Created
November 30, 2022 21:07
nng 1.5.2 patch to enable runtime configuration of thread pools
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| diff --git a/include/nng/nng.h b/include/nng/nng.h | |
| index cd75495a..1c6b7a61 100644 | |
| --- a/include/nng/nng.h | |
| +++ b/include/nng/nng.h | |
| @@ -1179,6 +1179,11 @@ NNG_DECL int nng_stream_listener_set_ptr( | |
| NNG_DECL int nng_stream_listener_set_addr( | |
| nng_stream_listener *, const char *, const nng_sockaddr *); | |
| +#define NNG_CAN_LIMIT_THREADS | |
| +NNG_DECL void nng_set_ncpu_max(int); |
bionicbeagle
/ QueryPerformanceCounter_1903.disasm
Created
June 13, 2019 06:29
QueryPerformanceCounter from Windows 10 v1903
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| 00007FFE496CBBB0 mov qword ptr [rsp+8],rbx | |
| 00007FFE496CBBB5 push rdi | |
| 00007FFE496CBBB6 sub rsp,20h | |
| 00007FFE496CBBBA mov r8b,byte ptr [7FFE03C6h] | |
| 00007FFE496CBBC2 mov rbx,rcx | |
| 00007FFE496CBBC5 test r8b,1 | |
| 00007FFE496CBBC9 je 00007FFE496CBC3B | |
| 00007FFE496CBBCB mov r11,qword ptr [7FFE03B8h] | |
| 00007FFE496CBBD3 test r8b,2 | |
| 00007FFE496CBBD7 je 00007FFE497698FF |
bionicbeagle
/ QueryPerformanceCounter_1903.disasm
Created
June 13, 2019 06:29
QueryPerformanceCounter from Windows 10 v1903
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| 00007FFE496CBBB0 mov qword ptr [rsp+8],rbx | |
| 00007FFE496CBBB5 push rdi | |
| 00007FFE496CBBB6 sub rsp,20h | |
| 00007FFE496CBBBA mov r8b,byte ptr [7FFE03C6h] | |
| 00007FFE496CBBC2 mov rbx,rcx | |
| 00007FFE496CBBC5 test r8b,1 | |
| 00007FFE496CBBC9 je 00007FFE496CBC3B | |
| 00007FFE496CBBCB mov r11,qword ptr [7FFE03B8h] | |
| 00007FFE496CBBD3 test r8b,2 | |
| 00007FFE496CBBD7 je 00007FFE497698FF |
bionicbeagle
/ QueryPerformanceCounter_1903.disasm
Created
June 13, 2019 06:29
QueryPerformanceCounter from Windows 10 v1903
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| 00007FFE496CBBB0 mov qword ptr [rsp+8],rbx | |
| 00007FFE496CBBB5 push rdi | |
| 00007FFE496CBBB6 sub rsp,20h | |
| 00007FFE496CBBBA mov r8b,byte ptr [7FFE03C6h] | |
| 00007FFE496CBBC2 mov rbx,rcx | |
| 00007FFE496CBBC5 test r8b,1 | |
| 00007FFE496CBBC9 je 00007FFE496CBC3B | |
| 00007FFE496CBBCB mov r11,qword ptr [7FFE03B8h] | |
| 00007FFE496CBBD3 test r8b,2 | |
| 00007FFE496CBBD7 je 00007FFE497698FF |
bionicbeagle
/ ProjectedFSLib.dll
Created
April 15, 2018 20:43
Windows Projected File System exports
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| PrjClearNegativePathCache, 1, 0x3820 | |
| PrjCloseFile, 2, 0x2800 | |
| PrjCommandCallbacksInit, 3, 0x3d20 | |
| PrjCompleteCommand, 4, 0x34e0 | |
| PrjConfigureVolume, 5, 0x52b0 | |
| PrjConvertDirectoryToPlaceholder, 6, 0x1330 | |
| PrjCreatePlaceholderAsHardlink, 7, 0x1ea0 | |
| PrjDeleteFile, 8, 0x3120 | |
| PrjDetachDriver, 9, 0x5110 | |
| PrjDoesNameContainWildCards, 10, 0x5810 |
bionicbeagle
/ bug.asm
Created
December 13, 2013 18:35
VS2013 x64 compiler bug Note how the access to m_size (loaded into edx) is reordered to be after the detachBuffer() call:
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| ; 12 : { | |
| $LN6: | |
| sub rsp, 40 ; 00000028H | |
| ; 13 : AllocatingBuffer outBuf; | |
| lea rcx, QWORD PTR outBuf$[rsp] | |
| call ??0AllocatingBuffer@@QEAA@XZ ; AllocatingBuffer::AllocatingBuffer |
bionicbeagle
/ gist:5178463
Created
March 16, 2013 21:45
Example of using libuv with stateless lambdas
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| // Initialize uv_async_t for shutting down event loop | |
| m_shutdownAsync.data = this; | |
| uv_async_init(m_eventLoop, &m_shutdownAsync, [](uv_async_t* handle, int status) { | |
| auto thisPtr = reinterpret_cast<DiscoService*>(handle->data); | |
| uv_close((uv_handle_t*) handle, nullptr); | |
| uv_close((uv_handle_t*) &thisPtr->m_recvSocket, nullptr); | |
| uv_close((uv_handle_t*) &thisPtr->m_sendSocket, nullptr); |
bionicbeagle
/ gist:5094066
Last active
December 14, 2015 13:29
So GetExitCodeProcess() returns TRUE (for success) even if you pass it a non-process handle. Thanks, I guess! This in conjunction with another bug which caused some code to keep using (and keep CLOSING) a process handle which had already been closed caused random lock-ups in an application and I spent several days looking for the root cause :/ B…
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| HANDLE h = CreateEvent(NULL, TRUE, FALSE, NULL); | |
| DWORD dwExitCode = 9999; | |
| if (GetExitCodeProcess(h, &dwExitCode)) | |
| { | |
| printf("Developers, developers, developers!"); | |
| CloseHandle(h); | |
| } |
bionicbeagle
/ gist:4730489
Last active
December 12, 2015 06:38
Cause of weird thread-naming crashes was... shitty x64 port!
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| typedef struct tagTHREADNAME_INFO | |
| { | |
| DWORD dwType; // Must be 0x1000 | |
| LPCSTR szName; // Pointer to name (in user address space) | |
| DWORD dwThreadID; // Thread ID (-1 for caller thread) | |
| DWORD dwFlags; // Reserved for future use; must be zero | |
| } THREADNAME_INFO; | |
| static void setThreadName(DWORD dwThreadID, LPCSTR szThreadName ) | |
| { |
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| bool isNumber(const char number) | |
| { | |
| std::string tmp; | |
| tmp += number; | |
| return std::string::npos != findIgnoreCase("0123456789", tmp); | |
| } |