1 //===-- sanitizer_common_libcdep.cc ---------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file is shared between AddressSanitizer and ThreadSanitizer 11 // run-time libraries. 12 //===----------------------------------------------------------------------===// 13 14 #include "sanitizer_common.h" 15 #include "sanitizer_flags.h" 16 17 namespace __sanitizer { 18 19 bool PrintsToTty() { 20 MaybeOpenReportFile(); 21 return internal_isatty(report_fd) != 0; 22 } 23 24 bool PrintsToTtyCached() { 25 // FIXME: Add proper Windows support to AnsiColorDecorator and re-enable color 26 // printing on Windows. 27 if (SANITIZER_WINDOWS) 28 return 0; 29 30 static int cached = 0; 31 static bool prints_to_tty; 32 if (!cached) { // Not thread-safe. 33 prints_to_tty = PrintsToTty(); 34 cached = 1; 35 } 36 return prints_to_tty; 37 } 38 39 bool ColorizeReports() { 40 const char *flag = common_flags()->color; 41 return internal_strcmp(flag, "always") == 0 || 42 (internal_strcmp(flag, "auto") == 0 && PrintsToTtyCached()); 43 } 44 45 static void (*sandboxing_callback)(); 46 void SetSandboxingCallback(void (*f)()) { 47 sandboxing_callback = f; 48 } 49 50 } // namespace __sanitizer 51 52 void NOINLINE 53 __sanitizer_sandbox_on_notify(__sanitizer_sandbox_arguments *args) { 54 PrepareForSandboxing(args); 55 if (sandboxing_callback) 56 sandboxing_callback(); 57 } 58
