Commit 974a196d authored by Petar Jovanovic's avatar Petar Jovanovic Committed by Riku Voipio
Browse files

linux-user: translate signal number on return from sigtimedwait 



On success, sigtimedwait() returns a signal number that needs to be
translated from a host value to a target value.

This change also fixes issues with sigwait (that is implemented using
sigtimedwait()).

Signed-off-by: default avatarPetar Jovanovic <petar.jovanovic@imgtec.com>
Signed-off-by: default avatarRiku Voipio <riku.voipio@linaro.org>
Reviewed-by: default avatarPeter Maydell <peter.maydell@linaro.org>
parent f19e00d7

linux-user/syscall.c

+11 −5
Original line number Diff line number Diff line
@@ -6185,12 +6185,18 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, 
                puts = NULL;

            }

            ret = get_errno(sigtimedwait(&set, &uinfo, puts));

            if (!is_error(ret) && arg2) {

                if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0)))

            if (!is_error(ret)) {

                if (arg2) {

                    p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t),

                                  0);

                    if (!p) {

                        goto efault;

                    }

                    host_to_target_siginfo(p, &uinfo);

                    unlock_user(p, arg2, sizeof(target_siginfo_t));

                }

                ret = host_to_target_signal(ret);

            }

        }

        break;

    case TARGET_NR_rt_sigqueueinfo: