nhyatt/putty-source
1
0
Fork 0
mirror of https://git.tartarus.org/simon/putty.git synced 2025-03-16 03:53:01 -05:00
Code Issues Projects Releases Wiki Activity

Forcibly close any TCP connections that are still open when PuTTY exits.

Browse Source 
This saves leaving them lying around to crash the machine later.

[originally from svn r2524]
This commit is contained in:
Ben Harris 2003-01-09 23:04:34 +00:00
parent 34a96d4924
commit c342678579
1 changed files with 31 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
mac/mtcpnet.c
View File

@ -233,7 +233,24 @@ OSErr mactcp_init(void)
void mactcp_shutdown(void) void mactcp_shutdown(void)
{ {
Actual_Socket s, next;
/*
* Eventually, PuTTY should close down each session as it exits,
* so there should be no sockets left when we get here. Still,
* better safe than sorry.
*
* XXX What about in-flight aync I/O (when we support that)?
*/
for (s = mactcp.socklist; s != NULL; s = next) {
next = s->next; /* s is about to vanish */
mactcp_close(&s->fn);
}
/*
* When we get async DNS, we have to wait for any outstanding
* requests to complete here before exiting.
*/
CloseResolver(); CloseResolver();
mactcp.initialised = FALSE; mactcp.initialised = FALSE;
} }
@ -574,16 +591,21 @@ void mactcp_poll(void)
for (s = mactcp.socklist; s != NULL; s = s->next) { for (s = mactcp.socklist; s != NULL; s = s->next) {
/* XXX above can't handle sockets being deleted. */ /* XXX above can't handle sockets being deleted. */
pb.ioCRefNum = mactcp.refnum; do {
pb.csCode = TCPStatus; pb.ioCRefNum = mactcp.refnum;
pb.tcpStream = s->s; pb.csCode = TCPStatus;
pb.csParam.status.userDataPtr = (Ptr)s; pb.tcpStream = s->s;
s->err = PBControlSync((ParmBlkPtr)&pb); pb.csParam.status.userDataPtr = (Ptr)s;
if (s->err != noErr) s->err = PBControlSync((ParmBlkPtr)&pb);
continue; if (s->err != noErr)
if (pb.csParam.status.amtUnreadData > 0) goto next_socket;
if (pb.csParam.status.amtUnreadData == 0)
break;
mactcp_recv(s, pb.csParam.status.amtUnreadData); mactcp_recv(s, pb.csParam.status.amtUnreadData);
/* Should check connectionState in case remote has closed */ /* Should check connectionState in case remote has closed */
} while (TRUE);
next_socket:
;
} }
} }