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Calculate the size of the next mailslot message correctly.

This commit is contained in:
Mike McCormack 2005-04-11 16:11:32 +00:00 committed by Alexandre Julliard
parent 2f30d307df
commit d6fdac2676
2 changed files with 16 additions and 11 deletions
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8
dlls/kernel/tests/mailslot.c
View File

@ -200,9 +200,7 @@ static int mailslot_test()
dwNext = dwMsgCount = 0;
ok( GetMailslotInfo( hSlot, NULL, &dwNext, &dwMsgCount, NULL ),
"getmailslotinfo failed\n");
todo_wine {
ok( dwNext == 1, "dwNext incorrect\n");
}
ok( dwMsgCount == 1, "dwMsgCount incorrect\n");
buffer[0] = 'b';
@ -213,8 +211,8 @@ static int mailslot_test()
dwNext = dwMsgCount = 0;
ok( GetMailslotInfo( hSlot, NULL, &dwNext, &dwMsgCount, NULL ),
"getmailslotinfo failed\n");
todo_wine {
ok( dwNext == 1, "dwNext incorrect\n");
todo_wine {
ok( dwMsgCount == 2, "dwMsgCount incorrect\n");
}
@ -225,8 +223,8 @@ static int mailslot_test()
dwNext = dwMsgCount = 0;
ok( GetMailslotInfo( hSlot, NULL, &dwNext, &dwMsgCount, NULL ),
"getmailslotinfo failed\n");
todo_wine {
ok( dwNext == 1, "dwNext incorrect\n");
todo_wine {
ok( dwMsgCount == 3, "dwMsgCount incorrect\n");
}
@ -245,8 +243,8 @@ static int mailslot_test()
dwNext = dwMsgCount = 0;
ok( GetMailslotInfo( hSlot, NULL, &dwNext, &dwMsgCount, NULL ),
"getmailslotinfo failed\n");
todo_wine {
ok( dwNext == 2, "dwNext incorrect\n");
todo_wine {
ok( dwMsgCount == 2, "dwMsgCount incorrect\n");
}

19
server/mailslot.c
View File

@ -162,6 +162,16 @@ static int mailslot_message_count(struct mailslot *mailslot)
return (poll( &pfd, 1, 0 ) == 1) ? 1 : 0;
}
static int mailslot_next_msg_size( struct mailslot *mailslot )
{
int size, fd;
size = 0;
fd = get_unix_fd( mailslot->fd );
ioctl( fd, FIONREAD, &size );
return size;
}
static int mailslot_get_info( struct fd *fd )
{
struct mailslot *mailslot = get_fd_user( fd );
@ -434,8 +444,6 @@ DECL_HANDLER(set_mailslot_info)
if( mailslot )
{
int r, fd = get_unix_fd( mailslot->fd );
if( req->flags & MAILSLOT_SET_READ_TIMEOUT )
mailslot->read_timeout = req->read_timeout;
reply->max_msgsize = mailslot->max_msgsize;
@ -443,11 +451,10 @@ DECL_HANDLER(set_mailslot_info)
reply->msg_count = mailslot_message_count(mailslot);
/* get the size of the next message */
r = recv( fd, NULL, 0, MSG_PEEK | MSG_TRUNC );
if( r < 0 )
reply->next_msgsize = MAILSLOT_NO_MESSAGE;
if( reply->msg_count )
reply->next_msgsize = mailslot_next_msg_size(mailslot);
else
reply->next_msgsize = r;
reply->next_msgsize = MAILSLOT_NO_MESSAGE;
release_object( mailslot );
}