X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FSystem%2FProgram.h;h=37f55466a50d717b5dc51ac7050b503d7a8a6eea;hb=bf5ec1b9db6f1f18b633908416b5798abd08981c;hp=fea94d36c350494b01acbac07ca910e9b1ad6632;hpb=13a0b6b58f5304310ca093e9a5ad2d656db904cf;p=oota-llvm.git diff --git a/include/llvm/System/Program.h b/include/llvm/System/Program.h index fea94d36c35..37f55466a50 100644 --- a/include/llvm/System/Program.h +++ b/include/llvm/System/Program.h @@ -2,8 +2,8 @@ // // The LLVM Compiler Infrastructure // -// This file was developed by Reid Spencer 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. // //===----------------------------------------------------------------------===// // @@ -15,7 +15,6 @@ #define LLVM_SYSTEM_PROGRAM_H #include "llvm/System/Path.h" -#include namespace llvm { namespace sys { @@ -46,18 +45,15 @@ namespace sys { /// environment and other configuration settings of the invoking program. /// If Path::executable() does not return true when this function is /// called then a std::string is thrown. - /// @param path A sys::Path object providing the path of the program to be - /// executed. It is presumed this is the result of the FindProgramByName - /// method. /// @returns an integer result code indicating the status of the program. /// A zero or positive value indicates the result code of the program. A /// negative value is the signal number on which it terminated. - /// @throws std::string on a variety of error conditions or if the invoked - /// program aborted abnormally. /// @see FindProgrambyName /// @brief Executes the program with the given set of \p args. static int ExecuteAndWait( - const Path& path, ///< The path to the program to execute + const Path& path, ///< sys::Path object providing the path of the + ///< program to be executed. It is presumed this is the result of + ///< the FindProgramByName method. const char** args, ///< A vector of strings that are passed to the ///< program. The first element should be the name of the program. ///< The list *must* be terminated by a null char* entry. @@ -69,15 +65,30 @@ namespace sys { ///< should have a size of at least three. If the pointer in the array ///< are not null, then the inferior process's stdin(0), stdout(1), ///< and stderr(2) will be redirected to the corresponding Paths. - unsigned secondsToWait = 0 ///< If non-zero, this specifies the amount + ///< When an empty Path is passed in, the corresponding file + ///< descriptor will be disconnected (ie, /dev/null'd) in a portable + ///< way. + unsigned secondsToWait = 0, ///< If non-zero, this specifies the amount ///< of time to wait for the child process to exit. If the time ///< expires, the child is killed and this call returns. If zero, ///< this function will wait until the child finishes or forever if ///< it doesn't. + unsigned memoryLimit = 0, ///< If non-zero, this specifies max. amount + ///< of memory can be allocated by process. If memory usage will be + ///< higher limit, the child is killed and this call returns. If zero + ///< - no memory limit. + std::string* ErrMsg = 0 ///< If non-zero, provides a pointer to a string + ///< instance in which error messages will be returned. If the string + ///< is non-empty upon return an error occurred while invoking the + ///< program. ); + // These methods change the specified standard stream (stdin or stdout) to + // binary mode. They return true if an error occurred + static bool ChangeStdinToBinary(); + static bool ChangeStdoutToBinary(); + /// @} }; } } - #endif