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-rw-r--r--unix/tclUnixChan.c24
1 files changed, 18 insertions, 6 deletions
diff --git a/unix/tclUnixChan.c b/unix/tclUnixChan.c
index eea1453..0d4acf2 100644
--- a/unix/tclUnixChan.c
+++ b/unix/tclUnixChan.c
@@ -278,7 +278,7 @@ FileInputProc(
*/
do {
- bytesRead = read(fsPtr->fd, buf, (size_t)toRead);
+ bytesRead = read(fsPtr->fd, buf, toRead);
} while ((bytesRead < 0) && (errno == EINTR));
if (bytesRead < 0) {
@@ -327,7 +327,7 @@ FileOutputProc(
return 0;
}
- written = write(fsPtr->fd, buf, (size_t)toWrite);
+ written = write(fsPtr->fd, buf, toWrite);
if (written >= 0) {
return written;
}
@@ -480,6 +480,20 @@ FileWideSeekProc(
*----------------------------------------------------------------------
*/
+/*
+ * Bug ad5a57f2f271: Tcl_NotifyChannel is not a Tcl_FileProc,
+ * so do not pass it to directly to Tcl_CreateFileHandler.
+ * Instead, pass a wrapper which is a Tcl_FileProc.
+ */
+static void
+FileWatchNotifyChannelWrapper(
+ void *clientData,
+ int mask)
+{
+ Tcl_Channel channel = (Tcl_Channel)clientData;
+ Tcl_NotifyChannel(channel, mask);
+}
+
static void
FileWatchProc(
void *instanceData, /* The file state. */
@@ -490,15 +504,13 @@ FileWatchProc(
FileState *fsPtr = (FileState *)instanceData;
/*
- * Make sure we only register for events that are valid on this file. Note
- * that we are passing Tcl_NotifyChannel directly to Tcl_CreateFileHandler
- * with the channel pointer as the client data.
+ * Make sure we only register for events that are valid on this file.
*/
mask &= fsPtr->validMask;
if (mask) {
Tcl_CreateFileHandler(fsPtr->fd, mask,
- (Tcl_FileProc *) Tcl_NotifyChannel, fsPtr->channel);
+ FileWatchNotifyChannelWrapper, fsPtr->channel);
} else {
Tcl_DeleteFileHandler(fsPtr->fd);
}