From 457a9beedefeab952ad28f9705ffb21ce5b77479 Mon Sep 17 00:00:00 2001 From: "Richard M. Stallman" Date: Fri, 24 Dec 1993 03:49:30 +0000 Subject: [PATCH] (Fopen_network_stream): Turn off SIGIO while connecting. --- src/process.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/src/process.c b/src/process.c index 5d798786171..107bc05d28a 100644 --- a/src/process.c +++ b/src/process.c @@ -1446,6 +1446,15 @@ Fourth arg SERVICE is name of the service desired, or an integer\n\ if (s < 0) report_file_error ("error creating socket", Fcons (name, Qnil)); + /* Kernel bugs (on Ultrix at least) cause lossage (not just EINTR) + when connect is interrupted. So let's not let it get interrupted. + Note we do not turn off polling, because polling is only used + when not interrupt_input, and thus not normally used on the systems + which have this bug. On systems which use polling, there's no way + to quit if polling is turned off. */ + if (interrupt_input) + unrequest_sigio (); + loop: if (connect (s, (struct sockaddr *) &address, sizeof address) == -1) { @@ -1453,10 +1462,18 @@ Fourth arg SERVICE is name of the service desired, or an integer\n\ if (errno == EINTR) goto loop; close (s); + + if (interrupt_input) + request_sigio (); + errno = xerrno; report_file_error ("connection failed", Fcons (host, Fcons (name, Qnil))); } + + if (interrupt_input) + request_sigio (); + #else /* TERM */ s = connect_server (0); if (s < 0) -- 2.39.5