Revert "Fix Clang-tidy modernize-deprecated-headers warnings in remaining files; other minor fixes."

This reverts commit r265454 since it broke the build.  E.g.:

  http://lab.llvm.org:8080/green/job/clang-stage1-cmake-RA-incremental_build/22413/

llvm-svn: 265459

1 files changed, 13 insertions, 16 deletions

diff --git a/llvm/lib/Support/Unix/Program.inc b/llvm/lib/Support/Unix/Program.inc
index ee7df0a..7d3537e 100644
--- a/llvm/lib/Support/Unix/Program.inc
+++ b/llvm/lib/Support/Unix/Program.inc
@@ -1,4 +1,4 @@
-//===- llvm/Support/Unix/Program.cpp ----------------------------*- C++ -*-===//
+//===- llvm/Support/Unix/Program.cpp -----------------------------*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -30,7 +30,9 @@
 #if HAVE_SYS_RESOURCE_H
 #include <sys/resource.h>
 #endif
-#include <csignal>
+#if HAVE_SIGNAL_H
+#include <signal.h>
+#endif
 #if HAVE_FCNTL_H
 #include <fcntl.h>
 #endif
@@ -94,9 +96,7 @@ ErrorOr<std::string> sys::findProgramByName(StringRef Name,
   return errc::no_such_file_or_directory;
 }
 
-namespace {
-
-bool RedirectIO(const StringRef *Path, int FD, std::string* ErrMsg) {
+static bool RedirectIO(const StringRef *Path, int FD, std::string* ErrMsg) {
   if (!Path) // Noop
     return false;
   std::string File;
@@ -125,8 +125,8 @@ bool RedirectIO(const StringRef *Path, int FD, std::string* ErrMsg) {
 }
 
 #ifdef HAVE_POSIX_SPAWN
-bool RedirectIO_PS(const std::string *Path, int FD, std::string *ErrMsg,
-                   posix_spawn_file_actions_t *FileActions) {
+static bool RedirectIO_PS(const std::string *Path, int FD, std::string *ErrMsg,
+                          posix_spawn_file_actions_t *FileActions) {
   if (!Path) // Noop
     return false;
   const char *File;
@@ -144,10 +144,10 @@ bool RedirectIO_PS(const std::string *Path, int FD, std::string *ErrMsg,
 }
 #endif
 
-void TimeOutHandler(int Sig) {
+static void TimeOutHandler(int Sig) {
 }
 
-void SetMemoryLimits (unsigned size)
+static void SetMemoryLimits (unsigned size)
 {
 #if HAVE_SYS_RESOURCE_H && HAVE_GETRLIMIT && HAVE_SETRLIMIT
   struct rlimit r;
@@ -176,9 +176,7 @@ void SetMemoryLimits (unsigned size)
 #endif
 }
 
-} // end anonymous namespace
-
-} // end namespace llvm
+}
 
 static bool Execute(ProcessInfo &PI, StringRef Program, const char **args,
                     const char **envp, const StringRef **redirects,
@@ -421,12 +419,12 @@ ProcessInfo sys::Wait(const ProcessInfo &PI, unsigned SecondsToWait,
   return WaitResult;
 }
 
-std::error_code sys::ChangeStdinToBinary() {
+  std::error_code sys::ChangeStdinToBinary(){
   // Do nothing, as Unix doesn't differentiate between text and binary.
     return std::error_code();
 }
 
-std::error_code sys::ChangeStdoutToBinary() {
+  std::error_code sys::ChangeStdoutToBinary(){
   // Do nothing, as Unix doesn't differentiate between text and binary.
     return std::error_code();
 }
@@ -468,5 +466,4 @@ bool llvm::sys::commandLineFitsWithinSystemLimits(StringRef Program, ArrayRef<co
   }
   return true;
 }
-
-} // end namespace llvm
+}