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d1b74b9f5b
* Remove unneeded header files. * Move RedirectFD static function to lib/System/Unix/Program.cpp * Delete RunProgramWithTimeout, now implemented by sys::Program::ExecuteAndWait. RunProgramWithTimeout is now a convenience func. llvm-svn: 19040
53 lines
1.8 KiB
C++
53 lines
1.8 KiB
C++
//===- SystemUtils.cpp - Utilities for low-level system tasks -------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains functions used to do a variety of low-level, often
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// system-specific, tasks.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Support/SystemUtils.h"
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#include "llvm/System/Program.h"
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using namespace llvm;
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/// isStandardOutAConsole - Return true if we can tell that the standard output
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/// stream goes to a terminal window or console.
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bool llvm::isStandardOutAConsole() {
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#if HAVE_ISATTY
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return isatty(1);
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#endif
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// If we don't have isatty, just return false.
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return false;
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}
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/// FindExecutable - Find a named executable, giving the argv[0] of program
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/// being executed. This allows us to find another LLVM tool if it is built
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/// into the same directory, but that directory is neither the current
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/// directory, nor in the PATH. If the executable cannot be found, return an
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/// empty string.
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///
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#undef FindExecutable // needed on windows :(
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sys::Path llvm::FindExecutable(const std::string &ExeName,
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const std::string &ProgramPath) {
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// First check the directory that the calling program is in. We can do this
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// if ProgramPath contains at least one / character, indicating that it is a
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// relative path to bugpoint itself.
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sys::Path Result ( ProgramPath );
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Result.elideFile();
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if (!Result.isEmpty()) {
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Result.appendFile(ExeName);
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if (Result.executable())
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return Result;
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}
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return sys::Program::FindProgramByName(ExeName);
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}
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