Make improvements

- Add GetCpuCount() API to redbean
- Add unix.gmtime() API to redbean
- Add unix.readlink() API to redbean
- Add unix.localtime() API to redbean
- Perfect the new redbean UNIX module APIs
- Integrate with Linux clock_gettime() vDSO
- Run Lua garbage collector when malloc() fails
- Fix another regression quirk with linenoise repl
- Fix GetProgramExecutableName() for systemwide installs
- Fix a build flake with test/libc/mem/test.mk SRCS list

third_party/linenoise/linenoise.c

@@ -1810,6 +1810,7 @@ struct linenoiseState *linenoiseBegin(const char *prompt, int ifd, int ofd) {
 }
 
 void linenoiseReset(struct linenoiseState *l) {
+  l->buf[0] = 0;
   l->dirty = true;
   l->final = 0;
   l->hindex = 0;

third_party/lua/llimits.h

@@ -1,6 +1,7 @@
 #ifndef llimits_h
 #define llimits_h
 
+#include "libc/limits.h"
 #include "libc/math.h"
 #include "third_party/lua/lua.h"
 

third_party/mbedtls/test/lib.c

@@ -1011,7 +1011,7 @@ int execute_tests(int argc, const char **argv, const char *default_filename) {
     file = fopen(test_filename, "r");
     if (file == NULL) {
       WRITE("%s (%s) failed to open test file: %s %m\n",
-            program_invocation_short_name, program_executable_name,
+            program_invocation_short_name, GetProgramExecutableName(),
             test_filename);
       if (outcome_file != NULL) fclose(outcome_file);
       return 1;

third_party/python/Modules/getpath.c

@@ -663,7 +663,7 @@ Py_GetProgramFullPath(void)
 {
     static bool once;
     if (_cmpxchg(&once, false, true)) {
-        progpath = utf8toutf32(program_executable_name, -1, 0);
+        progpath = utf8toutf32(GetProgramExecutableName(), -1, 0);
         __cxa_atexit(free, progpath, 0);
     }
     return progpath;