Introduce llvm::sys::Process::getProcessId() and adopt it

Differential Revision: https://reviews.llvm.org/D78022

1 files changed, 2 insertions, 15 deletions

diff --git a/llvm/lib/Support/CodeGenCoverage.cpp b/llvm/lib/Support/CodeGenCoverage.cpp
index 2db4193..93f386b 100644
--- a/llvm/lib/Support/CodeGenCoverage.cpp
+++ b/llvm/lib/Support/CodeGenCoverage.cpp
@@ -11,20 +11,14 @@
 
 #include "llvm/Support/CodeGenCoverage.h"
 
-#include "llvm/Config/llvm-config.h"
 #include "llvm/Support/Endian.h"
 #include "llvm/Support/FileSystem.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/Mutex.h"
+#include "llvm/Support/Process.h"
 #include "llvm/Support/ScopedPrinter.h"
 #include "llvm/Support/ToolOutputFile.h"
 
-#if LLVM_ON_UNIX
-#include <unistd.h>
-#elif defined(_WIN32)
-#include <windows.h>
-#endif
-
 using namespace llvm;
 
 static sys::SmartMutex<true> OutputMutex;
@@ -89,14 +83,7 @@ bool CodeGenCoverage::emit(StringRef CoveragePrefix,
     // We can handle locking within a process easily enough but we don't want to
     // manage it between multiple processes. Use the process ID to ensure no
     // more than one process is ever writing to the same file at the same time.
-    std::string Pid =
-#if LLVM_ON_UNIX
-        llvm::to_string(::getpid());
-#elif defined(_WIN32)
-        llvm::to_string(::GetCurrentProcessId());
-#else
-        "";
-#endif
+    std::string Pid = llvm::to_string(sys::Process::getProcessId());
 
     std::string CoverageFilename = (CoveragePrefix + Pid).str();