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Diffstat (limited to 'unix/tclUnixSock.c')
-rw-r--r--unix/tclUnixSock.c80
1 files changed, 38 insertions, 42 deletions
diff --git a/unix/tclUnixSock.c b/unix/tclUnixSock.c
index 39fb375..a883e8c 100644
--- a/unix/tclUnixSock.c
+++ b/unix/tclUnixSock.c
@@ -50,7 +50,7 @@ typedef struct TcpFdList {
struct TcpState {
Tcl_Channel channel; /* Channel associated with this file. */
- TcpFdList *fds; /* The file descriptors of the sockets. */
+ TcpFdList fds; /* The file descriptors of the sockets. */
int flags; /* ORed combination of the bitfields defined
* below. */
/*
@@ -348,7 +348,7 @@ TcpBlockModeProc(
} else {
SET_BITS(statePtr->flags, TCP_ASYNC_SOCKET);
}
- if (TclUnixSetBlockingMode(statePtr->fds->fd, mode) < 0) {
+ if (TclUnixSetBlockingMode(statePtr->fds.fd, mode) < 0) {
return errno;
}
return 0;
@@ -390,7 +390,7 @@ WaitForConnect(
timeOut = -1;
}
errno = 0;
- state = TclUnixWaitForFile(statePtr->fds->fd,
+ state = TclUnixWaitForFile(statePtr->fds.fd,
TCL_WRITABLE | TCL_EXCEPTION, timeOut);
if (state & TCL_EXCEPTION) {
return -1;
@@ -443,7 +443,7 @@ TcpInputProc(
if (WaitForConnect(statePtr, errorCodePtr) != 0) {
return -1;
}
- bytesRead = recv(statePtr->fds->fd, buf, (size_t) bufSize, 0);
+ bytesRead = recv(statePtr->fds.fd, buf, (size_t) bufSize, 0);
if (bytesRead > -1) {
return bytesRead;
}
@@ -493,7 +493,7 @@ TcpOutputProc(
if (WaitForConnect(statePtr, errorCodePtr) != 0) {
return -1;
}
- written = send(statePtr->fds->fd, buf, (size_t) toWrite, 0);
+ written = send(statePtr->fds.fd, buf, (size_t) toWrite, 0);
if (written > -1) {
return written;
}
@@ -537,13 +537,15 @@ TcpCloseProc(
* that called this function, so we do not have to delete them here.
*/
- for (fds = statePtr->fds; fds != NULL; fds = statePtr->fds) {
- statePtr->fds = fds->next;
+ for (fds = &statePtr->fds; fds != NULL; fds = fds->next) {
Tcl_DeleteFileHandler(fds->fd);
if (close(fds->fd) < 0) {
errorCode = errno;
}
- ckfree(fds);
+
+ }
+ for (fds = statePtr->fds.next; fds != NULL; fds = fds->next) {
+ ckfree(fds);
}
if (statePtr->addrlist != NULL) {
freeaddrinfo(statePtr->addrlist);
@@ -600,7 +602,7 @@ TcpClose2Proc(
}
return TCL_ERROR;
}
- if (shutdown(statePtr->fds->fd,sd) < 0) {
+ if (shutdown(statePtr->fds.fd,sd) < 0) {
errorCode = errno;
}
@@ -654,7 +656,7 @@ TcpGetOptionProc(
int err, ret;
if (statePtr->status == 0) {
- ret = getsockopt(statePtr->fds->fd, SOL_SOCKET, SO_ERROR,
+ ret = getsockopt(statePtr->fds.fd, SOL_SOCKET, SO_ERROR,
(char *)&err, &optlen);
if (ret < 0) {
err = errno;
@@ -679,7 +681,7 @@ TcpGetOptionProc(
address peername;
socklen_t size = sizeof(peername);
- if (getpeername(statePtr->fds->fd, &peername.sa, &size) >= 0) {
+ if (getpeername(statePtr->fds.fd, &peername.sa, &size) >= 0) {
if (len == 0) {
Tcl_DStringAppendElement(dsPtr, "-peername");
Tcl_DStringStartSublist(dsPtr);
@@ -726,7 +728,7 @@ TcpGetOptionProc(
Tcl_DStringAppendElement(dsPtr, "-sockname");
Tcl_DStringStartSublist(dsPtr);
}
- for (fds = statePtr->fds; fds != NULL; fds = fds->next) {
+ for (fds = &statePtr->fds; fds != NULL; fds = fds->next) {
size = sizeof(sockname);
if (getsockname(fds->fd, &(sockname.sa), &size) >= 0) {
int flags = reverseDNS;
@@ -817,11 +819,11 @@ TcpWatchProc(
* need to cache this request until the connection has succeeded. */
statePtr->filehandlers = mask;
} else if (mask) {
- Tcl_CreateFileHandler(statePtr->fds->fd, mask,
+ Tcl_CreateFileHandler(statePtr->fds.fd, mask,
(Tcl_FileProc *) Tcl_NotifyChannel,
(ClientData) statePtr->channel);
} else {
- Tcl_DeleteFileHandler(statePtr->fds->fd);
+ Tcl_DeleteFileHandler(statePtr->fds.fd);
}
}
@@ -852,7 +854,7 @@ TcpGetHandleProc(
{
TcpState *statePtr = (TcpState *) instanceData;
- *handlePtr = INT2PTR(statePtr->fds->fd);
+ *handlePtr = INT2PTR(statePtr->fds.fd);
return TCL_OK;
}
@@ -920,13 +922,13 @@ CreateClientSocket(
* Close the socket if it is still open from the last unsuccessful
* iteration.
*/
- if (state->fds->fd >= 0) {
- close(state->fds->fd);
- state->fds->fd = -1;
+ if (state->fds.fd >= 0) {
+ close(state->fds.fd);
+ state->fds.fd = -1;
}
- state->fds->fd = socket(state->addr->ai_family, SOCK_STREAM, 0);
- if (state->fds->fd < 0) {
+ state->fds.fd = socket(state->addr->ai_family, SOCK_STREAM, 0);
+ if (state->fds.fd < 0) {
continue;
}
@@ -935,25 +937,25 @@ CreateClientSocket(
* inherited by child processes.
*/
- fcntl(state->fds->fd, F_SETFD, FD_CLOEXEC);
+ fcntl(state->fds.fd, F_SETFD, FD_CLOEXEC);
/*
* Set kernel space buffering
*/
- TclSockMinimumBuffers(INT2PTR(state->fds->fd), SOCKET_BUFSIZE);
+ TclSockMinimumBuffers(INT2PTR(state->fds.fd), SOCKET_BUFSIZE);
if (async) {
- status = TclUnixSetBlockingMode(state->fds->fd, TCL_MODE_NONBLOCKING);
+ status = TclUnixSetBlockingMode(state->fds.fd, TCL_MODE_NONBLOCKING);
if (status < 0) {
continue;
}
}
reuseaddr = 1;
- (void) setsockopt(state->fds->fd, SOL_SOCKET, SO_REUSEADDR,
+ (void) setsockopt(state->fds.fd, SOL_SOCKET, SO_REUSEADDR,
(char *) &reuseaddr, sizeof(reuseaddr));
- status = bind(state->fds->fd, state->myaddr->ai_addr,
+ status = bind(state->fds.fd, state->myaddr->ai_addr,
state->myaddr->ai_addrlen);
if (status < 0) {
continue;
@@ -966,22 +968,22 @@ CreateClientSocket(
* in being informed when the connect completes.
*/
- status = connect(state->fds->fd, state->addr->ai_addr,
+ status = connect(state->fds.fd, state->addr->ai_addr,
state->addr->ai_addrlen);
if (status < 0 && errno == EINPROGRESS) {
- Tcl_CreateFileHandler(state->fds->fd, TCL_WRITABLE,
+ Tcl_CreateFileHandler(state->fds.fd, TCL_WRITABLE,
TcpAsyncCallback, state);
return TCL_OK;
coro_continue:
- Tcl_DeleteFileHandler(state->fds->fd);
+ Tcl_DeleteFileHandler(state->fds.fd);
/*
* Read the error state from the socket, to see if the async
* connection has succeeded or failed and store the status in
* the socket state for later retrieval by [fconfigure -error]
*/
optlen = sizeof(int);
- getsockopt(state->fds->fd, SOL_SOCKET, SO_ERROR,
+ getsockopt(state->fds.fd, SOL_SOCKET, SO_ERROR,
(char *)&status, &optlen);
state->status = status;
}
@@ -996,7 +998,7 @@ out:
if (async) {
CLEAR_BITS(state->flags, TCP_ASYNC_CONNECT);
TcpWatchProc(state, state->filehandlers);
- TclUnixSetBlockingMode(state->fds->fd, TCL_MODE_BLOCKING);
+ TclUnixSetBlockingMode(state->fds.fd, TCL_MODE_BLOCKING);
}
if (status < 0) {
@@ -1072,9 +1074,7 @@ Tcl_OpenTcpClient(
state->flags = async ? TCP_ASYNC_CONNECT : 0;
state->addrlist = addrlist;
state->myaddrlist = myaddrlist;
- state->fds = ckalloc(sizeof(TcpFdList));
- memset(state->fds, (int) 0, sizeof(TcpFdList));
- state->fds->fd = -1;
+ state->fds.fd = -1;
/*
* Create a new client socket and wrap it in a channel.
@@ -1147,9 +1147,7 @@ TclpMakeTcpClientChannelMode(
statePtr = ckalloc(sizeof(TcpState));
memset(statePtr, 0, sizeof(TcpState));
- statePtr->fds = ckalloc(sizeof(TcpFdList));
- memset(statePtr->fds, (int) 0, sizeof(TcpFdList));
- statePtr->fds->fd = PTR2INT(sock);
+ statePtr->fds.fd = PTR2INT(sock);
statePtr->flags = 0;
sprintf(channelName, SOCK_TEMPLATE, (long)statePtr);
@@ -1275,8 +1273,6 @@ Tcl_OpenTcpServer(
close(sock);
continue;
}
- newfds = ckalloc(sizeof(TcpFdList));
- memset(newfds, (int) 0, sizeof(TcpFdList));
if (statePtr == NULL) {
/*
* Allocate a new TcpState for this socket.
@@ -1284,11 +1280,13 @@ Tcl_OpenTcpServer(
statePtr = ckalloc(sizeof(TcpState));
memset(statePtr, 0, sizeof(TcpState));
- statePtr->fds = newfds;
statePtr->acceptProc = acceptProc;
statePtr->acceptProcData = acceptProcData;
sprintf(channelName, SOCK_TEMPLATE, (long)statePtr);
+ newfds = &statePtr->fds;
} else {
+ newfds = ckalloc(sizeof(TcpFdList));
+ memset(newfds, (int) 0, sizeof(TcpFdList));
fds->next = newfds;
}
newfds->fd = sock;
@@ -1371,9 +1369,7 @@ TcpAccept(
newSockState = ckalloc(sizeof(TcpState));
memset(newSockState, 0, sizeof(TcpState));
newSockState->flags = 0;
- newSockState->fds = ckalloc(sizeof(TcpFdList));
- memset(newSockState->fds, (int) 0, sizeof(TcpFdList));
- newSockState->fds->fd = newsock;
+ newSockState->fds.fd = newsock;
sprintf(channelName, SOCK_TEMPLATE, (long)newSockState);
newSockState->channel = Tcl_CreateChannel(&tcpChannelType, channelName,
generated by cgit v0.12 at 2024-11-01 00:35:14 (GMT)