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e5b3e1559b
program. Added the use of const (which compiles and is hopefully correct). Added comments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8585 91177308-0d34-0410-b5e6-96231b3b80d8
46 lines
1.7 KiB
C++
46 lines
1.7 KiB
C++
//===- SystemUtils.h - Utilities to do low-level system stuff --*- C++ -*--===//
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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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#ifndef SYSTEMUTILS_H
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#define SYSTEMUTILS_H
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#include <string>
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/// isExecutableFile - This function returns true if the filename specified
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/// exists and is executable.
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///
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bool isExecutableFile(const std::string &ExeFileName);
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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 into
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/// the same directory, but that directory is neither the current directory, nor
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/// in the PATH. If the executable cannot be found, return an empty string.
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///
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std::string FindExecutable(const std::string &ExeName,
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const std::string &ProgramPath);
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/// RunProgramWithTimeout - This function executes the specified program, with
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/// the specified null-terminated argument array, with the stdin/out/err fd's
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/// redirected, with a timeout specified on the commandline. This terminates
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/// the calling program if there is an error executing the specified program.
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/// It returns the return value of the program, or -1 if a timeout is detected.
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///
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int RunProgramWithTimeout(const std::string &ProgramPath, const char **Args,
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const std::string &StdInFile = "",
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const std::string &StdOutFile = "",
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const std::string &StdErrFile = "");
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///
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/// Function: ExecWait()
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///
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/// Description:
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/// Execute a program with the given arguments and environment and
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/// wait for it to terminate.
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///
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int ExecWait (const char * const argv[], const char * const envp[]);
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#endif
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