1// RUN: %clangxx_asan -fsanitize-coverage=func %s -o %t
2// RUN: rm -rf %T/coverage-fork
3// RUN: mkdir -p %T/coverage-fork && cd %T/coverage-fork
4// RUN: %env_asan_opts=coverage=1:coverage_direct=0:verbosity=1 %run %t 2>&1 | FileCheck %s
5//
6// XFAIL: android
7
8#include <stdio.h>
9#include <string.h>
10#include <unistd.h>
11
12__attribute__((noinline))
13void foo() { printf("foo\n"); }
14
15__attribute__((noinline))
16void bar() { printf("bar\n"); }
17
18__attribute__((noinline))
19void baz() { printf("baz\n"); }
20
21int main(int argc, char **argv) {
22  pid_t child_pid = fork();
23  if (child_pid == 0) {
24    fprintf(stderr, "Child PID: %d\n", getpid());
25    baz();
26  } else {
27    fprintf(stderr, "Parent PID: %d\n", getpid());
28    foo();
29    bar();
30  }
31  return 0;
32}
33
34// CHECK-DAG: Child PID: [[ChildPID:[0-9]+]]
35// CHECK-DAG: [[ChildPID]].sancov: 1 PCs written
36// CHECK-DAG: Parent PID: [[ParentPID:[0-9]+]]
37// CHECK-DAG: [[ParentPID]].sancov: 3 PCs written
38