1 files changed, 23 insertions, 1 deletions
diff --git a/lib/Support/Unix/Program.inc b/lib/Support/Unix/Program.inc
index e5990d06ec..049c41b742 100644
--- a/lib/Support/Unix/Program.inc
+++ b/lib/Support/Unix/Program.inc
@@ -103,6 +103,10 @@ Program::FindProgramByName(const std::string& progName) {
 }
 
 static bool RedirectIO(const Path *Path, int FD, std::string* ErrMsg) {
+#if defined(__native_client__)
+  MakeErrMsg(ErrMsg, "Cannot redirect I/O in NaCl");
+  return true;
+#else // (__native_client__)
   if (Path == 0) // Noop
     return false;
   const char *File;
@@ -119,7 +123,6 @@ static bool RedirectIO(const Path *Path, int FD, std::string* ErrMsg) {
               + (FD == 0 ? "input" : "output"));
     return true;
   }
-
   // Install it as the requested FD
   if (dup2(InFD, FD) == -1) {
     MakeErrMsg(ErrMsg, "Cannot dup2");
@@ -128,6 +131,7 @@ static bool RedirectIO(const Path *Path, int FD, std::string* ErrMsg) {
   }
   close(InFD);      // Close the original FD
   return false;
+#endif // (__native_client__)
 }
 
 #ifdef HAVE_POSIX_SPAWN
@@ -233,6 +237,7 @@ Program::Execute(const Path &path, const char **args, const char **envp,
   }
 #endif
 
+#if !defined(__native_client__)
   // Create a child process.
   int child = fork();
   switch (child) {
@@ -293,6 +298,10 @@ Program::Execute(const Path &path, const char **args, const char **envp,
   Data_ = reinterpret_cast<void*>(child);
 
   return true;
+#else // (__native_client__)
+  MakeErrMsg(ErrMsg, "PNACL does not know how to execute child processes!");
+  return false;
+#endif // (__native_client__)
 }
 
 int
@@ -300,6 +309,7 @@ Program::Wait(const sys::Path &path,
               unsigned secondsToWait,
               std::string* ErrMsg)
 {
+#if !defined(__native_client__)
 #ifdef HAVE_SYS_WAIT_H
   struct sigaction Act, Old;
 
@@ -392,10 +402,16 @@ Program::Wait(const sys::Path &path,
     *ErrMsg = "Program::Wait is not implemented on this platform yet!";
   return -1;
 #endif
+#else // (__native_client__)
+// TODO(abetul): What should the proper return value be here?
+  MakeErrMsg(ErrMsg, "PNACL does not know how to wait for a child process!");
+  return -1;
+#endif // (__native_client__)
 }
 
 bool
 Program::Kill(std::string* ErrMsg) {
+#if !defined(__native_client__)
   if (Data_ == 0) {
     MakeErrMsg(ErrMsg, "Process not started!");
     return true;
@@ -410,6 +426,12 @@ Program::Kill(std::string* ErrMsg) {
   }
 
   return false;
+
+#else // (__native_client__)
+  MakeErrMsg(ErrMsg, "PNACL does not know how to kill processes!");
+  return true;
+#endif // (__native_client__)
+
 }
 
 error_code Program::ChangeStdinToBinary(){