o Change kse_thr_interrupt to allow send a signal to a specified thread,

  or unblock a thread in kernel, and allow UTS to specify whether syscall
  should be restarted.
o Add ability for UTS to monitor signal comes in and removed from process,
  the flag PS_SIGEVENT is used to indicate the events.
o Add a KMF_WAITSIGEVENT for KSE mailbox flag, UTS call kse_release with
  this flag set to wait for above signal event.
o For SA based thread, kernel masks all signal in its signal mask, let
  UTS to use kse_thr_interrupt interrupt a thread, and install a signal
  frame in userland for the thread.
o Add a tm_syncsig in thread mailbox, when a hardware trap occurs,
  it is used to deliver synchronous signal to userland, and upcall
  is schedule, so UTS can process the synchronous signal for the thread.

Reviewed by: julian (mentor)

1 files changed, 1 insertions, 1 deletions

diff --git a/sys/kern/syscalls.master b/sys/kern/syscalls.master
index 31fb722..0e171ab 100644
--- a/sys/kern/syscalls.master
+++ b/sys/kern/syscalls.master
@@ -556,7 +556,7 @@
 380	MSTD	BSD	{ int kse_wakeup(struct kse_mailbox *mbx); }
 381	STD	BSD	{ int kse_create(struct kse_mailbox *mbx, \
 			    int newgroup); }
-382	MSTD	BSD	{ int kse_thr_interrupt(struct kse_thr_mailbox *tmbx); }
+382	MSTD	BSD	{ int kse_thr_interrupt(struct kse_thr_mailbox *tmbx, int sig); }
 383	MSTD	BSD	{ int kse_release(struct timespec *timeout); }
 384	MSTD	BSD	{ int __mac_get_proc(struct mac *mac_p); }
 385	MSTD	BSD	{ int __mac_set_proc(struct mac *mac_p); }