diff options
Diffstat (limited to 'linux-user/syscall.c')
| -rw-r--r-- | linux-user/syscall.c | 37 |
1 files changed, 6 insertions, 31 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index a2e18b06c6..048056ba2b 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -9064,41 +9064,17 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #endif case TARGET_NR_rt_sigaction: { -#if defined(TARGET_ALPHA) - /* For Alpha and SPARC this is a 5 argument syscall, with + /* + * For Alpha and SPARC this is a 5 argument syscall, with * a 'restorer' parameter which must be copied into the * sa_restorer field of the sigaction struct. * For Alpha that 'restorer' is arg5; for SPARC it is arg4, * and arg5 is the sigsetsize. - * Alpha also has a separate rt_sigaction struct that it uses - * here; SPARC uses the usual sigaction struct. */ - struct target_rt_sigaction *rt_act; - struct target_sigaction act, oact, *pact = 0; - - if (arg4 != sizeof(target_sigset_t)) { - return -TARGET_EINVAL; - } - if (arg2) { - if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1)) - return -TARGET_EFAULT; - act._sa_handler = rt_act->_sa_handler; - act.sa_mask = rt_act->sa_mask; - act.sa_flags = rt_act->sa_flags; - unlock_user_struct(rt_act, arg2, 0); - pact = &act; - } - ret = get_errno(do_sigaction(arg1, pact, &oact, arg5)); - if (!is_error(ret) && arg3) { - if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0)) - return -TARGET_EFAULT; - rt_act->_sa_handler = oact._sa_handler; - rt_act->sa_mask = oact.sa_mask; - rt_act->sa_flags = oact.sa_flags; - unlock_user_struct(rt_act, arg3, 1); - } -#else -#ifdef TARGET_SPARC +#if defined(TARGET_ALPHA) + target_ulong sigsetsize = arg4; + target_ulong restorer = arg5; +#elif defined(TARGET_SPARC) target_ulong restorer = arg4; target_ulong sigsetsize = arg5; #else @@ -9131,7 +9107,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user_struct(act, arg2, 0); if (oact) unlock_user_struct(oact, arg3, 1); -#endif } return ret; #ifdef TARGET_NR_sgetmask /* not on alpha */ |