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commit 3319f7f6a238cf88b9f46849e7be84d3c96376d6 Author: Justus Winter <[email protected]> Date: Sun Oct 9 17:00:31 2016 +0200 fshelp: Fix fetching the control port. * libfshelp/fetch-control.c (fshelp_fetch_control): Check if the control port is still alive, or deallocate the dead name, record the fact in the transbox, and return MACH_PORT_NULL. --- libfshelp/fetch-control.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/libfshelp/fetch-control.c b/libfshelp/fetch-control.c index 26c12d8..91c65bb 100644 --- a/libfshelp/fetch-control.c +++ b/libfshelp/fetch-control.c @@ -19,13 +19,24 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "fshelp.h" +#include <assert.h> error_t fshelp_fetch_control (struct transbox *box, mach_port_t *control) { + error_t err = 0; *control = box->active; if (*control != MACH_PORT_NULL) - mach_port_mod_refs (mach_task_self (), *control, MACH_PORT_RIGHT_SEND, 1); - return 0; + err = mach_port_mod_refs (mach_task_self (), *control, + MACH_PORT_RIGHT_SEND, 1); + + if (err == KERN_INVALID_RIGHT) + { + err = mach_port_deallocate (mach_task_self (), *control); + assert_perror (err); + *control = box->active = MACH_PORT_NULL; + } + + return err; } -- Alioth's /usr/local/bin/git-commit-notice on /srv/git.debian.org/git/pkg-hurd/hurd.git
