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-rw-r--r--unix/tclUnixChan.c189
1 files changed, 14 insertions, 175 deletions
diff --git a/unix/tclUnixChan.c b/unix/tclUnixChan.c
index b4b2739..435579a 100644
--- a/unix/tclUnixChan.c
+++ b/unix/tclUnixChan.c
@@ -61,7 +61,7 @@
* This structure describes per-instance state of a file based channel.
*/
-typedef struct FileState {
+typedef struct {
Tcl_Channel channel; /* Channel associated with this file. */
int fd; /* File handle. */
int validMask; /* OR'ed combination of TCL_READABLE,
@@ -76,7 +76,7 @@ typedef struct FileState {
* a platform-independant manner.
*/
-typedef struct TtyAttrs {
+typedef struct {
int baud;
int parity;
int data;
@@ -383,7 +383,7 @@ FileSeekProc(
*/
oldLoc = TclOSseek(fsPtr->fd, (Tcl_SeekOffset) 0, SEEK_CUR);
- if (oldLoc == Tcl_LongAsWide(-1)) {
+ if (oldLoc == -1) {
/*
* Bad things are happening. Error out...
*/
@@ -398,14 +398,14 @@ FileSeekProc(
* Check for expressability in our return type, and roll-back otherwise.
*/
- if (newLoc > Tcl_LongAsWide(INT_MAX)) {
+ if (newLoc > INT_MAX) {
*errorCodePtr = EOVERFLOW;
TclOSseek(fsPtr->fd, (Tcl_SeekOffset) oldLoc, SEEK_SET);
return -1;
} else {
- *errorCodePtr = (newLoc == Tcl_LongAsWide(-1)) ? errno : 0;
+ *errorCodePtr = (newLoc == -1) ? errno : 0;
}
- return (int) Tcl_WideAsLong(newLoc);
+ return (int) newLoc;
}
/*
@@ -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 */
-
/*
*----------------------------------------------------------------------
*
generated by cgit v0.12 at 2024-11-16 08:05:08 (GMT)