compiler-rt/test/ubsan/TestCases/Misc/Linux/sigaction.cpp

   1 // RUN: %clangxx -fsanitize=undefined -shared-libsan %s -o %t && %run %t 2>&1 | FileCheck %s
   2
   3 // Ensure ubsan runtime/interceptors are lazily initialized if called early.
   4
   5 // The test seems to segfault on aarch64 with tsan:
   6 // https://lab.llvm.org/buildbot/#/builders/179/builds/6662
   7 // Reason unknown, needs debugging.
   8 // UNSUPPORTED: target=aarch64{{.*}} && ubsan-tsan
   9
  10 #include <assert.h>
  11 #include <signal.h>
  12 #include <stdio.h>
  13
  14 __attribute__((constructor(1))) void ctor() {
  15   fprintf(stderr, "INIT\n");
  16   struct sigaction old;
  17   assert(!sigaction(SIGSEGV, nullptr, &old));
  18 };
  19
  20 int main() {
  21   fprintf(stderr, "DONE\n");
  22   return 0;
  23 }
  24
  25 // CHECK: INIT
  26 // CHECK: DONE