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

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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).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78098 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar 2009-08-04 20:32:25 +00:00
parent d03eecd063
commit 6db0a8b4fd
1 changed files with 3 additions and 3 deletions
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6
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.