1 files changed, 0 insertions, 225 deletions
diff --git a/lib/System/Unix/Program.cpp b/lib/System/Unix/Program.cpp
deleted file mode 100644
index 1bd3eae0f9..0000000000
--- a/lib/System/Unix/Program.cpp
+++ /dev/null
@@ -1,225 +0,0 @@
-//===- llvm/System/Unix/Program.cpp -----------------------------*- C++ -*-===//
-// 
-//                     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 implements the Unix specific portion of the Program class.
-//
-//===----------------------------------------------------------------------===//
-
-//===----------------------------------------------------------------------===//
-//=== WARNING: Implementation here must contain only generic UNIX code that
-//===          is guaranteed to work on *all* UNIX variants.
-//===----------------------------------------------------------------------===//
-
-#include <llvm/Config/config.h>
-#include "Unix.h"
-#include <iostream>
-#if HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-#if HAVE_SIGNAL_H
-#include <signal.h>
-#endif
-#if HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
-
-extern char** environ;
-
-namespace llvm {
-using namespace sys;
-
-// This function just uses the PATH environment variable to find the program.
-Path
-Program::FindProgramByName(const std::string& progName) {
-
-  // Check some degenerate cases
-  if (progName.length() == 0) // no program
-    return Path();
-  Path temp;
-  if (!temp.setFile(progName)) // invalid name
-    return Path();
-  if (temp.executable()) // already executable as is
-    return temp;
-
-  // At this point, the file name is valid and its not executable
- 
-  // Get the path. If its empty, we can't do anything to find it.
-  const char *PathStr = getenv("PATH");
-  if (PathStr == 0) 
-    return Path();
-
-  // Now we have a colon separated list of directories to search; try them.
-  unsigned PathLen = strlen(PathStr);
-  while (PathLen) {
-    // Find the first colon...
-    const char *Colon = std::find(PathStr, PathStr+PathLen, ':');
-
-    // Check to see if this first directory contains the executable...
-    Path FilePath;
-    if (FilePath.setDirectory(std::string(PathStr,Colon))) {
-      FilePath.appendFile(progName);
-      if (FilePath.executable())
-        return FilePath;                    // Found the executable!
-    }
-
-    // Nope it wasn't in this directory, check the next path in the list!
-    PathLen -= Colon-PathStr;
-    PathStr = Colon;
-
-    // Advance past duplicate colons
-    while (*PathStr == ':') {
-      PathStr++;
-      PathLen--;
-    }
-  }
-  return Path();
-}
-
-static void RedirectFD(const std::string &File, int FD) {
-  if (File.empty()) return;  // Noop
-
-  // Open the file
-  int InFD = open(File.c_str(), FD == 0 ? O_RDONLY : O_WRONLY|O_CREAT, 0666);
-  if (InFD == -1) {
-    ThrowErrno("Cannot open file '" + File + "' for "
-              + (FD == 0 ? "input" : "output") + "!\n");
-  }
-
-  dup2(InFD, FD);   // Install it as the requested FD
-  close(InFD);      // Close the original FD
-}
-
-static bool Timeout = false;
-static void TimeOutHandler(int Sig) {
-  Timeout = true;
-}
-
-int 
-Program::ExecuteAndWait(const Path& path, 
-                        const char** args,
-                        const char** envp,
-                        const Path** redirects,
-                        unsigned secondsToWait
-) {
-  if (!path.executable())
-    throw path.toString() + " is not executable"; 
-
-#ifdef HAVE_SYS_WAIT_H
-  // Create a child process.
-  int child = fork();
-  switch (child) {
-    // An error occured:  Return to the caller.
-    case -1:
-      ThrowErrno(std::string("Couldn't execute program '") + path.toString() + 
-                 "'");
-      break;
-
-    // Child process: Execute the program.
-    case 0: {
-      // Redirect file descriptors...
-      if (redirects) {
-        if (redirects[0])
-          if (redirects[0]->isEmpty())
-            RedirectFD("/dev/null",0);
-          else
-            RedirectFD(redirects[0]->toString(), 0);
-        if (redirects[1])
-          if (redirects[1]->isEmpty())
-            RedirectFD("/dev/null",1);
-          else
-            RedirectFD(redirects[1]->toString(), 1);
-        if (redirects[1] && redirects[2] && 
-            *(redirects[1]) != *(redirects[2])) {
-          if (redirects[2]->isEmpty())
-            RedirectFD("/dev/null",2);
-          else
-            RedirectFD(redirects[2]->toString(), 2);
-        } else {
-          dup2(1, 2);
-        }
-      }
-
-      // Set up the environment
-      char** env = environ;
-      if (envp != 0)
-        env = (char**) envp;
-
-      // Execute!
-      execve (path.c_str(), (char** const)args, env);
-      // If the execve() failed, we should exit and let the parent pick up
-      // our non-zero exit status.
-      exit (errno);
-    }
-
-    // Parent process: Break out of the switch to do our processing.
-    default:
-      break;
-  }
-
-  // Make sure stderr and stdout have been flushed
-  std::cerr << std::flush;
-  std::cout << std::flush;
-  fsync(1);
-  fsync(2);
-
-  struct sigaction Act, Old;
-
-  // Install a timeout handler.
-  if (secondsToWait) {
-    Timeout = false;
-    Act.sa_sigaction = 0;
-    Act.sa_handler = TimeOutHandler;
-    sigemptyset(&Act.sa_mask);
-    Act.sa_flags = 0;
-    sigaction(SIGALRM, &Act, &Old);
-    alarm(secondsToWait);
-  }
-
-  // Parent process: Wait for the child process to terminate.
-  int status;
-  while (wait(&status) != child)
-    if (secondsToWait && errno == EINTR) {
-      // Kill the child.
-      kill(child, SIGKILL);
-        
-      // Turn off the alarm and restore the signal handler
-      alarm(0);
-      sigaction(SIGALRM, &Old, 0);
-
-      // Wait for child to die
-      if (wait(&status) != child)
-        ThrowErrno("Child timedout but wouldn't die");
-        
-      return -1;   // Timeout detected
-    } else {
-      ThrowErrno("Error waiting for child process");
-    }
-
-  // We exited normally without timeout, so turn off the timer.
-  if (secondsToWait) {
-    alarm(0);
-    sigaction(SIGALRM, &Old, 0);
-  }
-
-  // If the program exited normally with a zero exit status, return success!
-  if (WIFEXITED (status))
-    return WEXITSTATUS(status);
-  else if (WIFSIGNALED(status))
-    throw std::string("Program '") + path.toString() + 
-          "' received terminating signal.";
-    
-#else
-  throw std::string(
-    "Program::ExecuteAndWait not implemented on this platform!\n");
-#endif
-  return 0;
-}
-
-}
-// vim: sw=2 smartindent smarttab tw=80 autoindent expandtab