Make improvements

- Fix build flakes
- Polyfill SIGWINCH on Windows
- Fix an execve issue on Windows
- Make strerror show more information
- Improve cmd.exe setup/teardown on Windows
- Support bracketed paste mode in Blinkenlights
- Show keyboard shortcuts in Blinkenlights status bar
- Fixed copy_file_range() and copyfile() w/ zip filesystem
- Size optimize GetDosArgv() to keep life.com 12kb in size
- Improve Blinkenlights ability to load weird ELF executables
- Fix program_executable_name and add GetInterpreterExecutableName
- Make Python in tiny mode fail better if docstrings are requested
- Update Python test exclusions in tiny* modes such as tinylinux
- Add bulletproof unbreakable kprintf() troubleshooting function
- Remove "oldskool" keyword from ape.S for virus scanners
- Fix issue that caused backtraces to not print sometimes
- Improve Blinkenlights serial uart character i/o
- Make clock_gettime() not clobber errno on xnu
- Improve sha256 cpuid check for old computers
- Integrate some bestline linenoise fixes
- Show runit process names better in htop
- Remove SIGPIPE from ShowCrashReports()
- Make realpath() not clobber errno
- Avoid attaching GDB on non-Linux
- Improve img.com example

libc/nt/synchronization.h

@@ -5,6 +5,7 @@
 #include "libc/nt/struct/linkedlist.h"
 #include "libc/nt/struct/securityattributes.h"
 #include "libc/nt/struct/systemtime.h"
+#include "libc/nt/thunk/msabi.h"
 #if !(__ASSEMBLER__ + __LINKER__ + 0)
 COSMOPOLITAN_C_START_
 /*                            ░░░░
@@ -115,6 +116,9 @@ bool32 GetSystemTimeAdjustment(uint32_t *lpTimeAdjustment,
                                uint32_t *lpTimeIncrement,
                                bool32 *lpTimeAdjustmentDisabled);
 
+#if ShouldUseMsabiAttribute()
+#include "libc/nt/thunk/synchronization.inc"
+#endif /* ShouldUseMsabiAttribute() */
 COSMOPOLITAN_C_END_
 #endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
 #endif /* COSMOPOLITAN_LIBC_NT_SYNCHRONIZATION_H_ */

libc/nt/thunk/memory.inc

@@ -3,6 +3,8 @@
 #define FlushViewOfFile(...)       __imp_FlushViewOfFile(__VA_ARGS__)
 #define UnmapViewOfFile(...)       __imp_UnmapViewOfFile(__VA_ARGS__)
 
+extern typeof(LocalFree) *const __imp_LocalFree __msabi;
+extern typeof(VirtualProtect) *const __imp_VirtualProtect __msabi;
 extern typeof(UnmapViewOfFile) *const __imp_UnmapViewOfFile __msabi;
 extern typeof(FlushViewOfFile) *const __imp_FlushViewOfFile __msabi;
 extern typeof(MapViewOfFileExNuma) *const __imp_MapViewOfFileExNuma __msabi;

libc/nt/thunk/process.inc

@@ -17,3 +17,6 @@ extern typeof(GetCurrentProcessId) *const __imp_GetCurrentProcessId __msabi;
 
 #define CreateProcess(...) __imp_CreateProcessW(__VA_ARGS__)
 extern typeof(CreateProcess) *const __imp_CreateProcessW __msabi;
+
+extern typeof(FormatMessage) *const __imp_FormatMessageW __msabi;
+extern typeof(SetLastError) *const __imp_SetLastError __msabi;

libc/nt/thunk/runtime.inc

@@ -31,3 +31,6 @@ extern typeof(GetCurrentProcess) *const __imp_GetCurrentProcess __msabi;
 
 #define GetModuleFileName(...) __imp_GetModuleFileNameW(__VA_ARGS__)
 extern typeof(GetModuleFileName) *const __imp_GetModuleFileNameW __msabi;
+
+extern typeof(GetLastError) *const __imp_GetLastError __msabi;
+extern typeof(ExitProcess) *const __imp_ExitProcess __msabi;

libc/nt/thunk/synchronization.inc

@@ -0,0 +1 @@
+extern typeof(SleepEx) *const __imp_SleepEx __msabi;

libc/nt/version.h

@@ -4,8 +4,22 @@
 #if !(__ASSEMBLER__ + __LINKER__ + 0)
 COSMOPOLITAN_C_START_
 
+bool IsAtLeastWindows10(void) pureconst;
 bool32 GetVersionEx(struct NtOsVersionInfo *lpVersionInformation);
 
+#if defined(__GCC_ASM_FLAG_OUTPUTS__) && !defined(__STRICT_ANSI__)
+#define IsAtLeastWindows10()            \
+  ({                                    \
+    long ReG;                           \
+    bool NoTbelow;                      \
+    asm("mov\t%%gs:96,%1\r\n"           \
+        "cmpb\t%2,280(%1)"              \
+        : "=@ccnb"(NoTbelow), "=l"(ReG) \
+        : "i"(10));                     \
+    NoTbelow;                           \
+  })
+#endif
+
 COSMOPOLITAN_C_END_
 #endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
 #endif /* COSMOPOLITAN_LIBC_NT_VERSION_H_ */