diff options
| author | Petar Jovanovic <petar.jovanovic@imgtec.com> | 2014-03-03 15:07:41 +0100 |
|---|---|---|
| committer | Riku Voipio <riku.voipio@linaro.org> | 2014-03-03 23:08:14 +0200 |
| commit | 974a196d7fc9f2f5553589b0022226b877e5c9b1 (patch) | |
| tree | fa4f3a42adfa7877509534c907328ddea0b8b34a | |
| parent | f19e00d776b781bfb0067b9b20a592440fd2990e (diff) | |
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: Petar Jovanovic <petar.jovanovic@imgtec.com>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
| -rw-r--r-- | linux-user/syscall.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 1f64867eba..e2c10cc0bd 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -6185,11 +6185,17 @@ 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))) - goto efault; - host_to_target_siginfo(p, &uinfo); - unlock_user(p, arg2, sizeof(target_siginfo_t)); + 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; |