#include "llvm/ADT/StringExtras.h"
#include "llvm/Config/config.h"
-#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/Path.h"
#include "llvm/Support/Process.h"
#include "llvm/Support/Program.h"
//=== independent code.
//===----------------------------------------------------------------------===//
-// Empty virtual destructor to anchor the vtable for the process class.
-process::~process() {}
-
-self_process *process::get_self() {
- // Use a function local static for thread safe initialization and allocate it
- // as a raw pointer to ensure it is never destroyed.
- static self_process *SP = new self_process();
-
- return SP;
-}
-
-// The destructor for the self_process subclass must never actually be
-// executed. There should be at most one instance of this class, and that
-// instance should live until the process terminates to avoid the potential for
-// racy accesses during shutdown.
-self_process::~self_process() {
- llvm_unreachable("This destructor must never be executed!");
-}
-
-/// \brief A helper function to compute the elapsed wall-time since the program
-/// started.
-///
-/// Note that this routine actually computes the elapsed wall time since the
-/// first time it was called. However, we arrange to have it called during the
-/// startup of the process to get approximately correct results.
-static TimeValue getElapsedWallTime() {
- static TimeValue &StartTime = *new TimeValue(TimeValue::now());
- return TimeValue::now() - StartTime;
-}
-
-/// \brief A special global variable to ensure we call \c getElapsedWallTime
-/// during global initialization of the program.
-///
-/// Note that this variable is never referenced elsewhere. Doing so could
-/// create race conditions during program startup or shutdown.
-static volatile TimeValue DummyTimeValue = getElapsedWallTime();
-
-// Implement this routine by using the static helpers above. They're already
-// portable.
-TimeValue self_process::get_wall_time() const {
- return getElapsedWallTime();
-}
-
Optional<std::string> Process::FindInEnvPath(const std::string& EnvName,
const std::string& FileName)
{
+ assert(!path::is_absolute(FileName));
Optional<std::string> FoundPath;
Optional<std::string> OptPath = Process::GetEnv(EnvName);
if (!OptPath.hasValue())