| /// A basic block with fork/exec* is split. .gcda is flushed immediately before |
| /// fork/exec* so the lines before fork are counted once while succeeding |
| /// lines are counted twice. |
| // RUN: mkdir -p %t.d && cd %t.d |
| // RUN: %clang --coverage %s -o %t |
| // RUN: test -f gcov-fork.gcno |
| |
| // RUN: rm -f gcov-fork.gcda && %run %t |
| // RUN: llvm-cov gcov -t gcov-fork.gcda | FileCheck %s |
| |
| #include <sys/wait.h> |
| #include <unistd.h> |
| |
| void func1() {} // CHECK: 1: [[#@LINE]]:void func1() |
| void func2() {} // CHECK-NEXT: 2: [[#@LINE]]: |
| int main(void) { // CHECK-NEXT: 1: [[#@LINE]]: |
| int status; // CHECK-NEXT: -: [[#@LINE]]: |
| func1(); // CHECK-NEXT: 1: [[#@LINE]]: |
| pid_t pid = fork(); // CHECK-NEXT: 1: [[#@LINE]]: |
| if (pid == -1) return 1; // CHECK-NEXT: 1: [[#@LINE]]: |
| if (pid) // CHECK-NEXT: 2: [[#@LINE]]: |
| wait(&status); // CHECK-NEXT: 1: [[#@LINE]]: |
| func2(); // CHECK-NEXT: 2: [[#@LINE]]: |
| return 0; // CHECK-NEXT: 2: [[#@LINE]]: |
| } |