compiler-rt/test/rtsan/sanity_check_pure_c.c

   1 // RUN: %clang -fsanitize=realtime %s -o %t
   2 // RUN: not %run %t 2>&1 | FileCheck %s
   3 // RUN: %clang %s -o %t
   4 // RUN: %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NO-SANITIZE
   5 #ifdef __cplusplus
   6 #  error "This test must be built in C mode"
   7 #endif
   8
   9 #include <stdio.h>
  10 #include <stdlib.h>
  11
  12 // Check that we can build and run C code.
  13
  14 void nonblocking_function(void) __attribute__((nonblocking));
  15
  16 void nonblocking_function(void) __attribute__((nonblocking)) {
  17   void *ptr = malloc(2);
  18   printf("ptr: %p\n", ptr); // ensure we don't optimize out the malloc
  19 }
  20
  21 int main() {
  22   nonblocking_function();
  23   printf("Done\n");
  24   return 0;
  25 }
  26
  27 // CHECK: ==ERROR: RealtimeSanitizer
  28 // CHECK-NO-SANITIZE: Done