Hi, This patches changes the available file descriptors when starting translator processes. It keeps stdin and stdout open, both pointing to /dev/null. This patch has the side effect of fixing the strange behavior of CLISP when starting Lisp translators (it goes into a stack overflow with stdin and stdout closed).
Notes on new headers: - fcntl.h: O_READ, O_WRITE - paths.h: _PATH_DEVNULL Index: start-translator.c =================================================================== RCS file: /sources/hurd/hurd/libfshelp/start-translator.c,v retrieving revision 1.5 diff -u -r1.5 start-translator.c --- start-translator.c 30 Jan 2001 23:45:32 -0000 1.5 +++ start-translator.c 28 Jul 2008 20:01:50 -0000 @@ -20,6 +20,8 @@ #include "fshelp.h" #include <unistd.h> +#include <fcntl.h> +#include <paths.h> #include <string.h> #include <hurd.h> @@ -43,6 +45,8 @@ ports[INIT_PORT_CWDIR] = getcwdir (); ports[INIT_PORT_CRDIR] = getcrdir (); ports[INIT_PORT_AUTH] = getauth (); + fds[STDIN_FILENO] = file_name_lookup (_PATH_DEVNULL, O_READ, 0); + fds[STDOUT_FILENO] = file_name_lookup (_PATH_DEVNULL, O_WRITE, 0); fds[STDERR_FILENO] = getdport (STDERR_FILENO); err = fshelp_start_translator_long (underlying_open_fn, cookie,
Index: start-translator.c =================================================================== RCS file: /sources/hurd/hurd/libfshelp/start-translator.c,v retrieving revision 1.5 diff -u -r1.5 start-translator.c --- start-translator.c 30 Jan 2001 23:45:32 -0000 1.5 +++ start-translator.c 28 Jul 2008 20:01:50 -0000 @@ -20,6 +20,8 @@ #include "fshelp.h" #include <unistd.h> +#include <fcntl.h> +#include <paths.h> #include <string.h> #include <hurd.h> @@ -43,6 +45,8 @@ ports[INIT_PORT_CWDIR] = getcwdir (); ports[INIT_PORT_CRDIR] = getcrdir (); ports[INIT_PORT_AUTH] = getauth (); + fds[STDIN_FILENO] = file_name_lookup (_PATH_DEVNULL, O_READ, 0); + fds[STDOUT_FILENO] = file_name_lookup (_PATH_DEVNULL, O_WRITE, 0); fds[STDERR_FILENO] = getdport (STDERR_FILENO); err = fshelp_start_translator_long (underlying_open_fn, cookie,
