motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-04 08:13:54 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

initial MIPS signal handling (initial patch by Raphael Rigo)

Browse source 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2031 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2006-06-27 21:08:10 +00:00
parent 951f13516a
commit 106ec87921
4 changed files with 376 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

28
linux-user/syscall.c
View file

@ -2246,6 +2246,7 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
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 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
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: