xref: /aosp_15_r20/external/compiler-rt/test/asan/TestCases/Posix/coverage-fork.cc (revision 7c3d14c8b49c529e04be81a3ce6f5cc23712e4c6) 
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))
foo()13 void foo() { printf("foo\n"); }
14 
15 __attribute__((noinline))
bar()16 void bar() { printf("bar\n"); }
17 
18 __attribute__((noinline))
baz()19 void baz() { printf("baz\n"); }
20 
main(int argc,char ** argv)21 int 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