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<  Erlang patches mailing list  ~  [PATCH] Exit if an error occurs with the listening socket

Guest
Posted: Mon Mar 22, 2010 6:04 pm Reply with quote
Guest
On Sun, Mar 21, 2010 at 2:30 AM, Michael Santos
<michael.santos@gmail.com> wrote:
> Check errno if either select() or accept() returns an error and exit.
> This prevents epmd from looping and taking up 100% CPU.

Thanks! Will include in 'pu'.

--
Björn Gustavsson, Erlang/OTP, Ericsson AB

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Guest
Posted: Mon Mar 22, 2010 6:04 pm Reply with quote
Guest
On Sun, Mar 21, 2010 at 2:30 AM, Michael Santos
<michael.santos@gmail.com> wrote:
> Check errno if either select() or accept() returns an error and exit.
> This prevents epmd from looping and taking up 100% CPU.

Thanks! Will include in 'pu'.

--
Björn Gustavsson, Erlang/OTP, Ericsson AB

________________________________________________________________
erlang-patches (at) erlang.org mailing list.
See http://www.erlang.org/faq.html
To unsubscribe; mailto:erlang-patches-unsubscribe@erlang.org

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Guest
Posted: Tue Mar 30, 2010 9:59 am Reply with quote
Guest
2010/3/22 Björn Gustavsson <bgustavsson@gmail.com>:
> On Sun, Mar 21, 2010 at 2:30 AM, Michael Santos
> <michael.santos@gmail.com> wrote:
>> Check errno if either select() or accept() returns an error and exit.
>> This prevents epmd from looping and taking up 100% CPU.
>
> Thanks! Will include in 'pu'.

I did not build on Windows. I have added an additional
commit that fixes that. I intend to squash that commit into
your commit if/when the branch is graduated.

Are there other platforms that don't have ECONNABORTED
defined?

diff --git a/erts/epmd/src/epmd_srv.c b/erts/epmd/src/epmd_srv.c
index 7e4a661..83ebdaa 100644
--- a/erts/epmd/src/epmd_srv.c
+++ b/erts/epmd/src/epmd_srv.c
@@ -411,7 +411,9 @@ static int do_accept(EpmdVars *g,int listensock)
dbg_perror(g,"error in accept");
switch (errno) {
case EAGAIN:
+#ifndef __WIN32__
case ECONNABORTED:
+#endif
case EINTR:
return EPMD_FALSE;
default:


--
Björn Gustavsson, Erlang/OTP, Ericsson AB

________________________________________________________________
erlang-patches (at) erlang.org mailing list.
See http://www.erlang.org/faq.html
To unsubscribe; mailto:erlang-patches-unsubscribe@erlang.org

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Guest
Posted: Tue Mar 30, 2010 9:59 am Reply with quote
Guest
2010/3/22 Björn Gustavsson <bgustavsson@gmail.com>:
> On Sun, Mar 21, 2010 at 2:30 AM, Michael Santos
> <michael.santos@gmail.com> wrote:
>> Check errno if either select() or accept() returns an error and exit.
>> This prevents epmd from looping and taking up 100% CPU.
>
> Thanks! Will include in 'pu'.

I did not build on Windows. I have added an additional
commit that fixes that. I intend to squash that commit into
your commit if/when the branch is graduated.

Are there other platforms that don't have ECONNABORTED
defined?

diff --git a/erts/epmd/src/epmd_srv.c b/erts/epmd/src/epmd_srv.c
index 7e4a661..83ebdaa 100644
--- a/erts/epmd/src/epmd_srv.c
+++ b/erts/epmd/src/epmd_srv.c
@@ -411,7 +411,9 @@ static int do_accept(EpmdVars *g,int listensock)
dbg_perror(g,"error in accept");
switch (errno) {
case EAGAIN:
+#ifndef __WIN32__
case ECONNABORTED:
+#endif
case EINTR:
return EPMD_FALSE;
default:


--
Björn Gustavsson, Erlang/OTP, Ericsson AB

________________________________________________________________
erlang-patches (at) erlang.org mailing list.
See http://www.erlang.org/faq.html
To unsubscribe; mailto:erlang-patches-unsubscribe@erlang.org

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