diff options
Diffstat (limited to 'sys/amd64/isa/ithread.c')
| -rw-r--r-- | sys/amd64/isa/ithread.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/sys/amd64/isa/ithread.c b/sys/amd64/isa/ithread.c index b2a98a2..735204e 100644 --- a/sys/amd64/isa/ithread.c +++ b/sys/amd64/isa/ithread.c @@ -44,14 +44,15 @@ #include <sys/proc.h> #include <sys/systm.h> #include <sys/syslog.h> +#include <sys/ipl.h> #include <sys/kernel.h> #include <sys/kthread.h> #include <sys/malloc.h> #include <sys/module.h> +#include <sys/mutex.h> #include <sys/unistd.h> #include <sys/errno.h> #include <sys/interrupt.h> -#include <machine/ipl.h> #include <machine/md_var.h> #include <machine/segments.h> @@ -84,7 +85,6 @@ #endif #include <sys/vmmeter.h> -#include <machine/mutex.h> #include <sys/ktr.h> #include <machine/cpu.h> @@ -174,6 +174,19 @@ ithd_loop(void *dummy) * list of handlers, giving each one a go at it. */ for (;;) { + /* + * If we don't have any handlers, then we are an orphaned + * thread and just need to die. + */ + if (me->it_ih == NULL) { + CTR2(KTR_INTR, "ithd_loop pid %d(%s) exiting", + me->it_proc->p_pid, me->it_proc->p_comm); + curproc->p_ithd = NULL; + free(me, M_DEVBUF); + mtx_enter(&Giant, MTX_DEF); + kthread_exit(0); + } + CTR3(KTR_INTR, "ithd_loop pid %d(%s) need=%d", me->it_proc->p_pid, me->it_proc->p_comm, me->it_need); while (me->it_need) { |
