//===- SystemUtils.h - Utilities to do low-level system stuff ---*- C++ -*-===//
-//
+//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
-//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
//===----------------------------------------------------------------------===//
//
// This file contains functions used to do a variety of low-level, often
//
//===----------------------------------------------------------------------===//
-#ifndef SYSTEMUTILS_H
-#define SYSTEMUTILS_H
+#ifndef LLVM_SUPPORT_SYSTEMUTILS_H
+#define LLVM_SUPPORT_SYSTEMUTILS_H
#include <string>
-/// isExecutableFile - This function returns true if the filename specified
-/// exists and is executable.
-///
-bool isExecutableFile(const std::string &ExeFileName);
+namespace llvm {
+ class raw_ostream;
+ namespace sys { class Path; }
+
+/// Determine if the raw_ostream provided is connected to a terminal. If so,
+/// generate a warning message to errs() advising against display of bitcode
+/// and return true. Otherwise just return false.
+/// @brief Check for output written to a console
+bool CheckBitcodeOutputToConsole(
+ raw_ostream &stream_to_check, ///< The stream to be checked
+ bool print_warning = true ///< Control whether warnings are printed
+);
-/// FindExecutable - Find a named executable, giving the argv[0] of program
-/// being executed. This allows us to find another LLVM tool if it is built into
-/// the same directory, but that directory is neither the current directory, nor
-/// in the PATH. If the executable cannot be found, return an empty string.
-///
-std::string FindExecutable(const std::string &ExeName,
- const std::string &ProgramPath);
+/// PrependMainExecutablePath - Prepend the path to the program being executed
+/// to \p ExeName, given the value of argv[0] and the address of main()
+/// itself. This allows us to find another LLVM tool if it is built in the same
+/// directory. An empty string is returned on error; note that this function
+/// just mainpulates the path and doesn't check for executability.
+/// @brief Find a named executable.
+sys::Path PrependMainExecutablePath(const std::string &ExeName,
+ const char *Argv0, void *MainAddr);
-/// RunProgramWithTimeout - This function executes the specified program, with
-/// the specified null-terminated argument array, with the stdin/out/err fd's
-/// redirected, with a timeout specified on the commandline. This terminates
-/// the calling program if there is an error executing the specified program.
-/// It returns the return value of the program, or -1 if a timeout is detected.
-///
-int RunProgramWithTimeout(const std::string &ProgramPath, const char **Args,
- const std::string &StdInFile = "",
- const std::string &StdOutFile = "",
- const std::string &StdErrFile = "");
+} // End llvm namespace
-/// ExecWait - Execute a program with the given arguments and environment and
-/// wait for it to terminate.
-///
-int ExecWait (const char * const argv[], const char * const envp[]);
#endif