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When exec() fails, return 127 instead of errno; the parent process has no way to 

distinguish that the result is errno, so it can't use it to provide more
information about the error (it also exposes the numeric value of errno).

llvm-svn: 78098
This commit is contained in:
Daniel Dunbar 2009-08-04 20:32:25 +00:00
parent 1584a29536
commit 8b6be17777
1 changed files with 3 additions and 3 deletions
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6
llvm/lib/System/Unix/Program.inc
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@ -197,12 +197,12 @@ Program::Execute(const Path& path,
// Execute!
if (envp != 0)
execve (path.c_str(), (char**)args, (char**)envp);
execve(path.c_str(), (char**)args, (char**)envp);
else
execv (path.c_str(), (char**)args);
execv(path.c_str(), (char**)args);
// If the execve() failed, we should exit and let the parent pick up
// our non-zero exit status.
exit (errno);
exit(127);
}
// Parent process: Break out of the switch to do our processing.