#ifndef LLVM_SUPPORT_PROCESS_H
#define LLVM_SUPPORT_PROCESS_H
+#include "llvm/ADT/Optional.h"
#include "llvm/Config/llvm-config.h"
#include "llvm/Support/DataTypes.h"
#include "llvm/Support/TimeValue.h"
namespace llvm {
+class StringRef;
+
namespace sys {
class self_process;
static void GetTimeUsage(TimeValue &elapsed, TimeValue &user_time,
TimeValue &sys_time);
- /// This static function will return the process' current user id number.
- /// Not all operating systems support this feature. Where it is not
- /// supported, the function should return 65536 as the value.
- static int GetCurrentUserId();
-
- /// This static function will return the process' current group id number.
- /// Not all operating systems support this feature. Where it is not
- /// supported, the function should return 65536 as the value.
- static int GetCurrentGroupId();
-
/// This function makes the necessary calls to the operating system to
/// prevent core files or any other kind of large memory dumps that can
/// occur when a program fails.
/// @brief Prevent core file generation.
static void PreventCoreFiles();
+ // This function returns the environment variable \arg name's value as a UTF-8
+ // string. \arg Name is assumed to be in UTF-8 encoding too.
+ static Optional<std::string> GetEnv(StringRef name);
+
/// This function determines if the standard input is connected directly
/// to a user's input (keyboard probably), rather than coming from a file
/// or pipe.
/// terminal, this function returns false.
static bool StandardErrHasColors();
+ /// Enables or disables whether ANSI escape sequences are used to output
+ /// colors. This only has an effect on Windows.
+ /// Note: Setting this option is not thread-safe and should only be done
+ /// during initialization.
+ static void UseANSIEscapeCodes(bool enable);
+
/// Whether changing colors requires the output to be flushed.
/// This is needed on systems that don't support escape sequences for
/// changing colors.