diff options
| -rw-r--r-- | win/tclWinSock.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/win/tclWinSock.c b/win/tclWinSock.c index 6633b89..e7b086a 100644 --- a/win/tclWinSock.c +++ b/win/tclWinSock.c @@ -98,29 +98,31 @@ static ProcessGlobalValue hostName = { /* * The following structure is used to store the data associated with each * socket. + * All members modified by the notifier thread are defined as volatile. */ typedef struct SocketInfo { Tcl_Channel channel; /* Channel associated with this socket. */ SOCKET socket; /* Windows SOCKET handle. */ - int flags; /* Bit field comprised of the flags described + volatile int flags; /* Bit field comprised of the flags described * below. */ int watchEvents; /* OR'ed combination of FD_READ, FD_WRITE, * FD_CLOSE, FD_ACCEPT and FD_CONNECT that * indicate which events are interesting. */ - int readyEvents; /* OR'ed combination of FD_READ, FD_WRITE, + volatile int readyEvents; /* OR'ed combination of FD_READ, FD_WRITE, * FD_CLOSE, FD_ACCEPT and FD_CONNECT that * indicate which events have occurred. */ int selectEvents; /* OR'ed combination of FD_READ, FD_WRITE, * FD_CLOSE, FD_ACCEPT and FD_CONNECT that * indicate which events are currently being * selected. */ - int acceptEventCount; /* Count of the current number of FD_ACCEPTs + volatile int acceptEventCount; + /* Count of the current number of FD_ACCEPTs * that have arrived and not yet processed. */ Tcl_TcpAcceptProc *acceptProc; /* Proc to call on accept. */ ClientData acceptProcData; /* The data for the accept proc. */ - int lastError; /* Error code from last message. */ + volatile int lastError; /* Error code from last message. */ struct SocketInfo *nextPtr; /* The next socket on the per-thread socket * list. */ } SocketInfo; |