Revert "[asan] Replace vfork with fork."

Replacing vfork with fork results in significant slowdown of certain
apps (in particular, memcached).

This reverts r327752.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@328600 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 30 deletions

diff --git a/test/asan/TestCases/Posix/vfork.cc b/test/asan/TestCases/Posix/vfork.cc
deleted file mode 100644
index 5fcb11f53..000000000
--- a/test/asan/TestCases/Posix/vfork.cc
+++ /dev/null
@@ -1,30 +0,0 @@
-// Test that vfork() is fork().
-// https://github.com/google/sanitizers/issues/925
-
-// RUN: %clangxx_asan -O0 %s -o %t && %run %t 2>&1
-
-#include <assert.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <unistd.h>
-
-int volatile global;
-
-int main(int argc, char **argv) {
-  pid_t pid = vfork();
-  if (pid) {
-    // parent
-    int status;
-    int res;
-    do {
-      res = waitpid(pid, &status, 0);
-    } while (res >= 0 && !WIFEXITED(status) && !WIFSIGNALED(status));
-    assert(global == 0);
-  } else {
-    // child
-    global = 42;
-    _exit(0);
-  }
-
-  return 0;
-}