GNU bug report logs -
#5723
23.1.94; make-network-process and emacs hangs
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Reported by: Leo <sdl.web <at> gmail.com>
Date: Mon, 15 Mar 2010 16:02:01 UTC
Severity: normal
Done: YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp>
Bug is archived. No further changes may be made.
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On 2010-03-18 01:57 +0000, YAMAMOTO Mitsuharu wrote:
> The Carbon port and its descendants use polling with SIGALRM to check
> whether C-g is pressed. The systems without SIGIO (such as Solaris 8)
> work similarly even with X11. If your case blocks at `connect', then
> it can't be quit with C-g regardless of SYNC_INPUT on those
> ports/systems, because atimer is turned off during the `connect' call.
>
> immediate_quit = 1;
> QUIT;
>
> /* This turns off all alarm-based interrupts; the
> bind_polling_period call above doesn't always turn all the
> short-interval ones off, especially if interrupt_input is
> set.
>
> It'd be nice to be able to control the connect timeout
> though. Would non-blocking connect calls be portable?
>
> This used to be conditioned by HAVE_GETADDRINFO. Why? */
>
> turn_on_atimers (0);
>
> ret = connect (s, lres->ai_addr, lres->ai_addrlen);
> xerrno = errno;
>
> turn_on_atimers (1);
>
> Again, could you check if it actually blocks at `connect', using GDB?
It looks like it. See:
#0 0x00007fff828c3f66 in connect ()
#1 0x000000010014d715 in Fmake_network_process ()
#2 0x0000000100106a17 in Ffuncall ()
#3 0x0000000100142407 in Fbyte_code ()
#4 0x00000001001062fc in funcall_lambda ()
#5 0x000000010010670f in Ffuncall ()
#6 0x0000000100142407 in Fbyte_code ()
#7 0x0000000100105d60 in Feval ()
#8 0x0000000100108841 in internal_lisp_condition_case ()
#9 0x0000000100141471 in Fbyte_code ()
#10 0x00000001001062fc in funcall_lambda ()
#11 0x000000010010670f in Ffuncall ()
#12 0x000000010010337f in Fcall_interactively ()
#13 0x0000000100106958 in Ffuncall ()
#14 0x0000000100106af6 in call3 ()
#15 0x00000001000935c0 in Fexecute_extended_command ()
#16 0x000000010010697e in Ffuncall ()
#17 0x000000010010337f in Fcall_interactively ()
#18 0x0000000100106958 in Ffuncall ()
#19 0x0000000100106af6 in call3 ()
#20 0x00000001000a125d in command_loop_1 ()
#21 0x0000000100104e27 in internal_condition_case ()
#22 0x00000001000985ee in command_loop_2 ()
#23 0x0000000100104f30 in internal_catch ()
#24 0x0000000100099018 in command_loop ()
#25 0x000000010009948f in recursive_edit_1 ()
#26 0x000000010009962b in Frecursive_edit ()
#27 0x000000010008eea7 in main ()
This bug report was last modified 15 years and 67 days ago.
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