initial MIPS signal handling (initial patch by Raphael Rigo)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2031 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 229b089..60ed9a6 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -2246,6 +2246,7 @@
break;
case TARGET_NR_sigaction:
{
+ #if !defined(TARGET_MIPS)
struct target_old_sigaction *old_act;
struct target_sigaction act, oact, *pact;
if (arg2) {
@@ -2268,6 +2269,33 @@
old_act->sa_restorer = oact.sa_restorer;
unlock_user_struct(old_act, arg3, 1);
}
+ #else
+ struct target_sigaction act, oact, *pact, *old_act;
+
+ if (arg2) {
+ lock_user_struct(old_act, arg2, 1);
+ act._sa_handler = old_act->_sa_handler;
+ target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
+ act.sa_flags = old_act->sa_flags;
+ unlock_user_struct(old_act, arg2, 0);
+ pact = &act;
+ } else {
+ pact = NULL;
+ }
+
+ ret = get_errno(do_sigaction(arg1, pact, &oact));
+
+ if (!is_error(ret) && arg3) {
+ lock_user_struct(old_act, arg3, 0);
+ old_act->_sa_handler = oact._sa_handler;
+ old_act->sa_flags = oact.sa_flags;
+ old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
+ old_act->sa_mask.sig[1] = 0;
+ old_act->sa_mask.sig[2] = 0;
+ old_act->sa_mask.sig[3] = 0;
+ unlock_user_struct(old_act, arg3, 1);
+ }
+ #endif
}
break;
case TARGET_NR_rt_sigaction:
