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[Qemu-devel] [PATCH] linux-user: translate signal number on return from
From: |
Petar Jovanovic |
Subject: |
[Qemu-devel] [PATCH] linux-user: translate signal number on return from sigtimedwait |
Date: |
Mon, 3 Mar 2014 15:07:41 +0100 |
From: Petar Jovanovic <address@hidden>
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 <address@hidden>
---
linux-user/syscall.c | 16 +++++++++++-----
1 file changed, 11 insertions(+), 5 deletions(-)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 1407b7a..672766d 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -6121,11 +6121,17 @@ 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;
--
1.7.9.5
- [Qemu-devel] [PATCH] linux-user: translate signal number on return from sigtimedwait,
Petar Jovanovic <=