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iprev=fail smtp.remote-ip=64.147.108.70 (Error NOERROR looking up 64.147.108.70 PTR); spf=none smtp.mailfrom=unobe@cpan.org smtp.helo=pb-smtp1.pobox.com; x-aligned-from=pass (Address match); x-me-sender=none; x-ptr=fail smtp.helo=pb-smtp1.pobox.com policy.ptr=""; x-return-mx=pass header.domain=cpan.org policy.is_org=yes (MX Records found: pb-mx14.pobox.com,pb-mx22.pobox.com,pb-mx10.pobox.com,pb-mx11.pobox.com,pb-mx9.pobox.com,pb-mx21.pobox.com,pb-mx20.pobox.com,pb-mx23.pobox.com); x-return-mx=pass smtp.domain=cpan.org policy.is_org=yes (MX Records found: pb-mx14.pobox.com,pb-mx22.pobox.com,pb-mx10.pobox.com,pb-mx11.pobox.com,pb-mx9.pobox.com,pb-mx21.pobox.com,pb-mx20.pobox.com,pb-mx23.pobox.com); x-tls=pass smtp.version=TLSv1.2 smtp.cipher=ECDHE-RSA-AES256-GCM-SHA384 smtp.bits=256/256; x-vs=clean score=0 state=0 X-ME-VSCause: gggruggvucftvghtrhhoucdtuddrgeduledrfedvhedguddukeculddtuddrgeduhedrtd dtmdcutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpggft fghnshhusghstghrihgsvgdpuffrtefokffrpgfnqfghnecuuegrihhlohhuthemuceftd dtnecunecujfgurhepkffvufffhfgjgggtgfesthejjedttddtvdenucfhrhhomhepuhhn ohgsvgestghprghnrdhorhhgnecuggftrfgrthhtvghrnhephfefleehhefhffeuleeiie ekjeevkefhgeegudeihfegvdeuudekhfevieegtedunecuffhomhgrihhnpehtohhpihgt sghogidrtghomhenucfkphepieegrddugeejrddutdekrdejtddpgeejrdefgedrudefhe drudekieenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepihhnvghtpeeigedr udegjedruddtkedrjedtpdhhvghlohepphgsqdhsmhhtphdurdhpohgsohigrdgtohhmpd hmrghilhhfrhhomhepoehunhhosggvsegtphgrnhdrohhrgheq X-ME-VSScore: 0 X-ME-VSCategory: clean Received-SPF: none (cpan.org: No applicable sender policy available) receiver=tb-mx1.topicbox.com; 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Wed, 16 Jun 2021 17:28:32 -0400 (EDT) (envelope-from unobe@cpan.org) Message-ID: To: 9fans@9fans.net Subject: Re: [9fans] non-interruptible temporary: why do we care? Date: Wed, 16 Jun 2021 14:28:30 -0700 From: unobe@cpan.org In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Pobox-Relay-ID: CD04AB28-CEE9-11EB-A222-8B3BC6D8090B-09620299!pb-smtp1.pobox.com Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: d0e221f8-cee9-11eb-8206-cf8356591033 Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UZGNmYjhmODRjOTBlYjE5OS1NNjllMmJiZWRiYzdmOWNjMzFlZGU3?= =?UTF-8?B?ZWMwPg==?= List-Help: List-Id: "9fans" <9fans.9fans.net> List-Post: List-Software: Topicbox v0 List-Subscribe: Precedence: list Reply-To: 9fans <9fans@9fans.net> List-Unsubscribe: , Topicbox-Delivery-ID: 2:9fans:437d30aa-c441-11e9-8a57-d036212d11b0:522be890-2105-11eb-b15e-8d699134e1fa:M69e2bbedbc7f9cc31ede7ec0:1:V_4GMa-BQ4WSopklxScwef91Y237mJiU0mf817zFeDI Quoth Anthony Martin : > There is nothing new under the sun. >=20 > Date: Mon, 4 Apr 2005 14:10:20 -0400 > From: Russ Cox > To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu> > Subject: Re: [9fans] 'non-interruptable temporary' warning > Message-ID: >=20 > the compiler is warning you against its own laziness. > in this case it is using a global temporary to hold the > intermediate value of (lba =3D f->lba) while converting > it to uchar. if you had another thread running through > this code it would use the same temporary. >=20 > [...] >=20 > Cheers, > Anthony Thanks for the quotation, Anthony. I had used 9fans.topicbox.com/groups/9fans to search 'non-interruptible', not 'non-interruptable': I should have searched the actual error. ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/Tdcfb8f84c90eb199-M69e2b= bedbc7f9cc31ede7ec0 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription