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[PATCH] linux-user: Map signal numbers in fcntl


From: Timothy Baldwin
Subject: [PATCH] linux-user: Map signal numbers in fcntl
Date: Wed, 29 Jul 2020 21:06:44 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0

Map signal numbers in fcntl F_SETSIG and F_GETSIG.

Signed-off-by: Timothy E Baldwin <T.E.Baldwin99@members.leeds.ac.uk>
---
 linux-user/syscall.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 945fc25279..8456bad109 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -6583,10 +6583,16 @@ static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
         break;
 #endif

-    case TARGET_F_SETOWN:
-    case TARGET_F_GETOWN:
     case TARGET_F_SETSIG:
+        ret = get_errno(safe_fcntl(fd, host_cmd, target_to_host_signal(arg)));
+        break;
+
     case TARGET_F_GETSIG:
+        ret = host_to_target_signal(get_errno(safe_fcntl(fd, host_cmd, arg)));
+        break;
+
+    case TARGET_F_SETOWN:
+    case TARGET_F_GETOWN:
     case TARGET_F_SETLEASE:
     case TARGET_F_GETLEASE:
     case TARGET_F_SETPIPE_SZ:
--
2.25.1





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