On 4/12/2011, at 7:32 PM, wren ng thornton wrote: > Part of the problem is that, as Alexey says, the first element of argv is > just whatever is passed to exec, which is not guaranteed to be a complete > path, a canonical path, or any other specific thing we'd desire. It's not at > all straightforward to determine the actual location of the executable, > especially not in a platform-independent manner. argv[0] can't be trusted, > scanning through $PATH isn't guaranteed to find it (and even if you find > something of the right name, it's not guaranteed to be the correct > executable), etc etc.
In particular, with posix_spawnp(), the $PATH that is used to find the executable and the $PATH in the environment that the executable starts with can be two different things. _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
