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

third_party/python/Lib/test/test_exceptions.py

@@ -1152,7 +1152,7 @@ class ExceptionTests(unittest.TestCase):
             os.listdir(__file__)
         self.assertEqual(cm.exception.errno, errno.ENOTDIR, cm.exception)
 
-    @unittest.skipIf(cosmo.MODE == 'tiny',
+    @unittest.skipIf(cosmo.MODE.startswith("tiny"),
                      "todo(jart): why is it broken")
     def test_unraisable(self):
         # Issue #22836: PyErr_WriteUnraisable() should give sensible reports
@@ -1186,7 +1186,7 @@ class ExceptionTests(unittest.TestCase):
                     self.assertIn("del is broken", report)
                 self.assertTrue(report.endswith("\n"))
 
-    @unittest.skipIf(cosmo.MODE == 'tiny',
+    @unittest.skipIf(cosmo.MODE.startswith("tiny"),
                      "todo(jart): why is it broken")
     def test_unhandled(self):
         # Check for sensible reporting of unhandled exceptions