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Diffstat (limited to 'contrib/llvm/lib/Support/Program.cpp')
-rw-r--r-- | contrib/llvm/lib/Support/Program.cpp | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Support/Program.cpp b/contrib/llvm/lib/Support/Program.cpp new file mode 100644 index 0000000..34e336b --- /dev/null +++ b/contrib/llvm/lib/Support/Program.cpp @@ -0,0 +1,69 @@ +//===-- Program.cpp - Implement OS Program Concept --------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file implements the operating system Program concept. +// +//===----------------------------------------------------------------------===// + +#include "llvm/Support/Program.h" +#include "llvm/ADT/StringRef.h" +#include "llvm/Config/config.h" +#include <system_error> +using namespace llvm; +using namespace sys; + +//===----------------------------------------------------------------------===// +//=== WARNING: Implementation here must contain only TRULY operating system +//=== independent code. +//===----------------------------------------------------------------------===// + +static bool Execute(ProcessInfo &PI, StringRef Program, const char **args, + const char **env, const StringRef **Redirects, + unsigned memoryLimit, std::string *ErrMsg); + +int sys::ExecuteAndWait(StringRef Program, const char **args, const char **envp, + const StringRef **redirects, unsigned secondsToWait, + unsigned memoryLimit, std::string *ErrMsg, + bool *ExecutionFailed) { + ProcessInfo PI; + if (Execute(PI, Program, args, envp, redirects, memoryLimit, ErrMsg)) { + if (ExecutionFailed) + *ExecutionFailed = false; + ProcessInfo Result = Wait( + PI, secondsToWait, /*WaitUntilTerminates=*/secondsToWait == 0, ErrMsg); + return Result.ReturnCode; + } + + if (ExecutionFailed) + *ExecutionFailed = true; + + return -1; +} + +ProcessInfo sys::ExecuteNoWait(StringRef Program, const char **args, + const char **envp, const StringRef **redirects, + unsigned memoryLimit, std::string *ErrMsg, + bool *ExecutionFailed) { + ProcessInfo PI; + if (ExecutionFailed) + *ExecutionFailed = false; + if (!Execute(PI, Program, args, envp, redirects, memoryLimit, ErrMsg)) + if (ExecutionFailed) + *ExecutionFailed = true; + + return PI; +} + +// Include the platform-specific parts of this class. +#ifdef LLVM_ON_UNIX +#include "Unix/Program.inc" +#endif +#ifdef LLVM_ON_WIN32 +#include "Windows/Program.inc" +#endif |