diff options
Diffstat (limited to 'unix/tclUnixChan.c')
| -rw-r--r-- | unix/tclUnixChan.c | 177 |
1 files changed, 8 insertions, 169 deletions
diff --git a/unix/tclUnixChan.c b/unix/tclUnixChan.c index 6418f48..ced684a 100644 --- a/unix/tclUnixChan.c +++ b/unix/tclUnixChan.c @@ -605,7 +605,6 @@ TtySetOptionProc( return TCL_OK; } - /* * Option -handshake none|xonxoff|rtscts|dtrdsr */ @@ -706,6 +705,7 @@ TtySetOptionProc( /* * Option -ttycontrol {DTR 1 RTS 0 BREAK 0} */ + if ((len > 4) && (strncmp(optionName, "-ttycontrol", len) == 0)) { #if defined(TIOCMGET) && defined(TIOCMSET) int i, control, flag; @@ -882,6 +882,7 @@ TtyGetOptionProc( * Option is readonly and returned by [fconfigure chan -ttystatus] but not * returned by unnamed [fconfigure chan]. */ + if ((len > 4) && (strncmp(optionName, "-ttystatus", len) == 0)) { int status; @@ -894,12 +895,10 @@ TtyGetOptionProc( if (valid) { return TCL_OK; } - return Tcl_BadChannelOption(interp, optionName, "mode" - " queue ttystatus xchar" - ); + return Tcl_BadChannelOption(interp, optionName, + "mode queue ttystatus xchar"); } - static const struct {int baud; speed_t speed;} speeds[] = { #ifdef B0 {0, B0}, @@ -1023,7 +1022,7 @@ static const struct {int baud; speed_t speed;} speeds[] = { #endif {-1, 0} }; - + /* *--------------------------------------------------------------------------- * @@ -1315,7 +1314,8 @@ TtyParseMode( static void TtyInit( - int fd) /* Open file descriptor for serial port to be initialized. */ + int fd) /* Open file descriptor for serial port to be + * initialized. */ { struct termios iostate; tcgetattr(fd, &iostate); @@ -1325,8 +1325,7 @@ TtyInit( || iostate.c_lflag != 0 || iostate.c_cflag & CREAD || iostate.c_cc[VMIN] != 1 - || iostate.c_cc[VTIME] != 0) - { + || iostate.c_cc[VTIME] != 0) { iostate.c_iflag = IGNBRK; iostate.c_oflag = 0; iostate.c_lflag = 0; @@ -1726,166 +1725,6 @@ Tcl_GetOpenFile( return TCL_ERROR; } -#ifndef HAVE_COREFOUNDATION /* Darwin/Mac OS X CoreFoundation notifier is - * in tclMacOSXNotify.c */ -/* - *---------------------------------------------------------------------- - * - * TclUnixWaitForFile -- - * - * This function waits synchronously for a file to become readable or - * writable, with an optional timeout. - * - * Results: - * The return value is an OR'ed combination of TCL_READABLE, - * TCL_WRITABLE, and TCL_EXCEPTION, indicating the conditions that are - * present on file at the time of the return. This function will not - * return until either "timeout" milliseconds have elapsed or at least - * one of the conditions given by mask has occurred for file (a return - * value of 0 means that a timeout occurred). No normal events will be - * serviced during the execution of this function. - * - * Side effects: - * Time passes. - * - *---------------------------------------------------------------------- - */ - -int -TclUnixWaitForFile( - int fd, /* Handle for file on which to wait. */ - int mask, /* What to wait for: OR'ed combination of - * TCL_READABLE, TCL_WRITABLE, and - * TCL_EXCEPTION. */ - int timeout) /* Maximum amount of time to wait for one of - * the conditions in mask to occur, in - * milliseconds. A value of 0 means don't wait - * at all, and a value of -1 means wait - * forever. */ -{ - Tcl_Time abortTime = {0, 0}, now; /* silence gcc 4 warning */ - struct timeval blockTime, *timeoutPtr; - int numFound, result = 0; - fd_set readableMask; - fd_set writableMask; - fd_set exceptionMask; - -#ifndef _DARWIN_C_SOURCE - /* - * Sanity check fd. - */ - - if (fd >= FD_SETSIZE) { - Tcl_Panic("TclUnixWaitForFile can't handle file id %d", fd); - /* must never get here, or select masks overrun will occur below */ - } -#endif - - /* - * If there is a non-zero finite timeout, compute the time when we give - * up. - */ - - if (timeout > 0) { - Tcl_GetTime(&now); - abortTime.sec = now.sec + timeout/1000; - abortTime.usec = now.usec + (timeout%1000)*1000; - if (abortTime.usec >= 1000000) { - abortTime.usec -= 1000000; - abortTime.sec += 1; - } - timeoutPtr = &blockTime; - } else if (timeout == 0) { - timeoutPtr = &blockTime; - blockTime.tv_sec = 0; - blockTime.tv_usec = 0; - } else { - timeoutPtr = NULL; - } - - /* - * Initialize the select masks. - */ - - FD_ZERO(&readableMask); - FD_ZERO(&writableMask); - FD_ZERO(&exceptionMask); - - /* - * Loop in a mini-event loop of our own, waiting for either the file to - * become ready or a timeout to occur. - */ - - while (1) { - if (timeout > 0) { - blockTime.tv_sec = abortTime.sec - now.sec; - blockTime.tv_usec = abortTime.usec - now.usec; - if (blockTime.tv_usec < 0) { - blockTime.tv_sec -= 1; - blockTime.tv_usec += 1000000; - } - if (blockTime.tv_sec < 0) { - blockTime.tv_sec = 0; - blockTime.tv_usec = 0; - } - } - - /* - * Setup the select masks for the fd. - */ - - if (mask & TCL_READABLE) { - FD_SET(fd, &readableMask); - } - if (mask & TCL_WRITABLE) { - FD_SET(fd, &writableMask); - } - if (mask & TCL_EXCEPTION) { - FD_SET(fd, &exceptionMask); - } - - /* - * Wait for the event or a timeout. - */ - - numFound = select(fd + 1, &readableMask, &writableMask, - &exceptionMask, timeoutPtr); - if (numFound == 1) { - if (FD_ISSET(fd, &readableMask)) { - SET_BITS(result, TCL_READABLE); - } - if (FD_ISSET(fd, &writableMask)) { - SET_BITS(result, TCL_WRITABLE); - } - if (FD_ISSET(fd, &exceptionMask)) { - SET_BITS(result, TCL_EXCEPTION); - } - result &= mask; - if (result) { - break; - } - } - if (timeout == 0) { - break; - } - if (timeout < 0) { - continue; - } - - /* - * The select returned early, so we need to recompute the timeout. - */ - - Tcl_GetTime(&now); - if ((abortTime.sec < now.sec) - || (abortTime.sec==now.sec && abortTime.usec<=now.usec)) { - break; - } - } - return result; -} -#endif /* HAVE_COREFOUNDATION */ - /* *---------------------------------------------------------------------- * |