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[PATCH 4/8] linux-user: Convert signal number for FUTEX_FD
From: |
Richard Henderson |
Subject: |
[PATCH 4/8] linux-user: Convert signal number for FUTEX_FD |
Date: |
Sun, 28 Aug 2022 19:10:02 -0700 |
The val argument to FUTEX_FD is a signal number. Convert to match
the host, as it will be converted back when the signal is delivered.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
linux-user/syscall.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 8bf4b79a9e..f50cc70f1a 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -7778,6 +7778,7 @@ static int do_futex(CPUState *cpu, bool time64,
target_ulong uaddr,
timeout = 0;
break;
case FUTEX_FD:
+ val = target_to_host_signal(val);
timeout = 0;
break;
case FUTEX_CMP_REQUEUE:
--
2.34.1
- [PATCH 0/8] linux-user: Futex improvements, Richard Henderson, 2022/08/28
- [PATCH 1/8] linux-user: Combine do_futex and do_futex_time64, Richard Henderson, 2022/08/28
- [PATCH 2/8] linux-user: Sink call to do_safe_futex, Richard Henderson, 2022/08/28
- [PATCH 3/8] linux-user: Implement FUTEX_WAKE_BITSET, Richard Henderson, 2022/08/28
- [PATCH 4/8] linux-user: Convert signal number for FUTEX_FD,
Richard Henderson <=
- [PATCH 7/8] linux-user: Lock log around strace, Richard Henderson, 2022/08/28
- [PATCH 5/8] linux-user: Implement PI futexes, Richard Henderson, 2022/08/28
- [PATCH 6/8] linux-user: Update print_futex_op, Richard Henderson, 2022/08/28
- [PATCH 8/8] linux-user: Log tid for strace, Richard Henderson, 2022/08/28