Jacek Caban : ntdll: Block signals in send_debug_event.
Alexandre Julliard
julliard at winehq.org
Thu Apr 16 16:45:14 CDT 2020
Module: wine
Branch: master
Commit: 137fd7d3a0df17aa6c0dc3e40809eae341e12ba8
URL: https://source.winehq.org/git/wine.git/?a=commit;h=137fd7d3a0df17aa6c0dc3e40809eae341e12ba8
Author: Jacek Caban <jacek at codeweavers.com>
Date: Wed Apr 15 14:55:39 2020 +0200
ntdll: Block signals in send_debug_event.
Signed-off-by: Jacek Caban <jacek at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/ntdll/exception.c | 31 +++++++++++++++++++------------
1 file changed, 19 insertions(+), 12 deletions(-)
diff --git a/dlls/ntdll/exception.c b/dlls/ntdll/exception.c
index 589ceab390..a9ac24e44d 100644
--- a/dlls/ntdll/exception.c
+++ b/dlls/ntdll/exception.c
@@ -133,9 +133,12 @@ NTSTATUS send_debug_event( EXCEPTION_RECORD *rec, int first_chance, CONTEXT *con
client_ptr_t params[EXCEPTION_MAXIMUM_PARAMETERS];
context_t server_context;
select_op_t select_op;
+ sigset_t old_set;
if (!NtCurrentTeb()->Peb->BeingDebugged) return 0; /* no debugger present */
+ pthread_sigmask( SIG_BLOCK, &server_block_set, &old_set );
+
for (i = 0; i < min( rec->NumberParameters, EXCEPTION_MAXIMUM_PARAMETERS ); i++)
params[i] = rec->ExceptionInformation[i];
@@ -151,23 +154,27 @@ NTSTATUS send_debug_event( EXCEPTION_RECORD *rec, int first_chance, CONTEXT *con
req->len = i * sizeof(params[0]);
wine_server_add_data( req, params, req->len );
wine_server_add_data( req, &server_context, sizeof(server_context) );
- if (!wine_server_call( req )) handle = reply->handle;
+ if (!(ret = wine_server_call( req ))) handle = reply->handle;
}
SERVER_END_REQ;
- if (!handle) return 0;
-
- select_op.wait.op = SELECT_WAIT;
- select_op.wait.handles[0] = handle;
- server_select( &select_op, offsetof( select_op_t, wait.handles[1] ), SELECT_INTERRUPTIBLE, TIMEOUT_INFINITE, NULL, NULL );
- SERVER_START_REQ( get_exception_status )
+ if (handle)
{
- req->handle = handle;
- wine_server_set_reply( req, &server_context, sizeof(server_context) );
- ret = wine_server_call( req );
+ select_op.wait.op = SELECT_WAIT;
+ select_op.wait.handles[0] = handle;
+ server_select( &select_op, offsetof( select_op_t, wait.handles[1] ), SELECT_INTERRUPTIBLE, TIMEOUT_INFINITE, NULL, NULL );
+
+ SERVER_START_REQ( get_exception_status )
+ {
+ req->handle = handle;
+ wine_server_set_reply( req, &server_context, sizeof(server_context) );
+ ret = wine_server_call( req );
+ }
+ SERVER_END_REQ;
+ if (ret >= 0) context_from_server( context, &server_context );
}
- SERVER_END_REQ;
- if (ret >= 0) context_from_server( context, &server_context );
+
+ pthread_sigmask( SIG_SETMASK, &old_set, NULL );
return ret;
}
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