From: Jim Fehlig <jfehlig@suse.com>
To: Ian Jackson <Ian.Jackson@eu.citrix.com>
Cc: xen-devel@lists.xensource.com, Ian Campbell <ian.campbell@citrix.com>
Subject: Re: [PATCH 6/7] libxl: fork: Provide ..._always_selective_reap
Date: Fri, 17 Jan 2014 08:22:30 -0700 [thread overview]
Message-ID: <52D94AB6.5000705@suse.com> (raw)
In-Reply-To: <21209.9256.615318.923918@mariner.uk.xensource.com>
Ian Jackson wrote:
> Jim Fehlig writes ("Re: [PATCH 6/7] libxl: fork: Provide ..._always_selective_reap"):
>
>> I don't see the assert, regardless of how I call setmode(), when
>> changing this hunk to
>>
>> @@ -264,11 +264,11 @@ static bool chldmode_ours(libxl_ctx *ctx, bool
>> creating)
>> {
>> switch (ctx->childproc_hooks->chldowner) {
>> case libxl_sigchld_owner_libxl:
>> + case libxl_sigchld_owner_libxl_always_selective_reap:
>> return creating || !LIBXL_LIST_EMPTY(&ctx->children);
>> case libxl_sigchld_owner_mainloop:
>> return 0;
>> case libxl_sigchld_owner_libxl_always:
>> - case libxl_sigchld_owner_libxl_always_selective_reap:
>> return 1;
>> }
>> abort();
>>
>
> I should say: that that works is just luck, I think.
That's what I suspected :). And I also suspect my luck would run out
once I throw 10's of domains with many concurrent operations in the mix.
> I have a better fix.
>
Ok, thanks!
Regards,
Jim
next prev parent reply other threads:[~2014-01-17 15:22 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-16 17:22 [RFC PATCH 0/7] libxl: fork: Selective reaping Ian Jackson
2014-01-16 17:22 ` [PATCH 1/7] libxl: fork: Break out checked_waitpid Ian Jackson
2014-01-17 11:09 ` Ian Campbell
2014-01-16 17:22 ` [PATCH 2/7] libxl: fork: Break out childproc_reaped_ours Ian Jackson
2014-01-17 11:10 ` Ian Campbell
2014-01-16 17:22 ` [PATCH 3/7] libxl: fork: Clarify docs for libxl_sigchld_owner Ian Jackson
2014-01-17 11:12 ` Ian Campbell
2014-01-17 12:41 ` Ian Jackson
2014-01-16 17:22 ` [PATCH 4/7] libxl: fork: assert that chldmode is right Ian Jackson
2014-01-17 11:13 ` Ian Campbell
2014-01-16 17:22 ` [PATCH 5/7] libxl: fork: Provide libxl_childproc_sigchld_occurred Ian Jackson
2014-01-17 11:22 ` Ian Campbell
2014-01-17 11:27 ` Ian Jackson
2014-01-17 11:29 ` Ian Campbell
2014-01-17 16:09 ` Ian Jackson
2014-01-16 17:22 ` [PATCH 6/7] libxl: fork: Provide ..._always_selective_reap Ian Jackson
2014-01-17 6:36 ` Jim Fehlig
2014-01-17 11:35 ` Ian Jackson
2014-01-17 15:16 ` Jim Fehlig
2014-01-17 16:13 ` Ian Jackson
2014-01-17 12:38 ` Ian Jackson
2014-01-17 15:22 ` Jim Fehlig [this message]
2014-01-17 11:27 ` Ian Campbell
2014-01-16 17:22 ` [PATCH 7/7] libxl: fork: Provide LIBXL_HAVE_SIGCHLD_SELECTIVE_REAP Ian Jackson
2014-01-17 11:27 ` Ian Campbell
2014-01-16 19:25 ` [RFC PATCH 0/7] libxl: fork: Selective reaping Ian Jackson
2014-01-17 6:41 ` Jim Fehlig
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