DMARC-Filter: OpenDMARC Filter v1.4.2 delorie.com 51LHLMrW921523 Authentication-Results: delorie.com; dmarc=pass (p=none dis=none) header.from=cygwin.com Authentication-Results: delorie.com; spf=pass smtp.mailfrom=cygwin.com DKIM-Filter: OpenDKIM Filter v2.11.0 delorie.com 51LHLMrW921523 Authentication-Results: delorie.com; dkim=pass (1024-bit key, unprotected) header.d=cygwin.com header.i=@cygwin.com header.a=rsa-sha256 header.s=default header.b=FgVPEy0o X-Recipient: archive-cygwin AT delorie DOT com DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 7A539385841C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cygwin.com; s=default; t=1740158481; bh=14QB4YGdtOr+3x6Q9t0scZJaqnM0E/nHGLBya4Vsctk=; h=Date:Subject:To:References:In-Reply-To:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc: From; b=FgVPEy0ordVYaLB5Tv8JaVStOebe1K8q38dpB2ENIdmcZJzS9wPxtZIc2qcMrNM3i nK+jEq74+9sSuqZ9mwgbrOM8ZsqltHFj5ZGYY/fCDnmVbrdVbXFYpMIt/wMId2/3Or e+u+P4r5qfUvifmI2zBsKfTEfMPm4oIeuNfYnbxk= X-Original-To: cygwin AT cygwin DOT com Delivered-To: cygwin AT cygwin DOT com DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 5EE423858C2F ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 5EE423858C2F ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1740158451; cv=none; b=kFQ3bT+OLk4lLJwTHj5FfC9nMj2JwQCr0DV8vsFJJsJ5Bnn2+9hxgO4tteMNHvR+cKVtQy7if87s723SMHZ+4vOGVUmVXmFCP2ezEwH4DGpMNyaU951/GR+5QLH0k+VNgyoiCiC7ThjRYcW+UkQEOokUV9+AZAOWRFX5B16aX8A= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1740158451; c=relaxed/simple; bh=aZm6Vp0fzRSNjNJG0ZCSU/fhOdF/ioIfhOkLrZrGAV8=; h=Message-ID:Date:MIME-Version:From:Subject:To:DKIM-Signature; b=ql+PoLgZRfYUfZgN0LxOOUvqFfo9AATwlLSLhqZDauWQL/JaZ3oDpvC1jtoxyDgxBaXWWc5CErzJkZWZIVKnE28QkFrkK4cbuiqTVYVuVc58SRZmHsmzVRGpvQAFHhZiEGrs3uKrfFkL5Vzqc/AIRsMuzFPEmxlth/63+e61rRc= ARC-Authentication-Results: i=1; server2.sourceware.org DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 5EE423858C2F Message-ID: <00895ca5-8fba-47b7-b4b9-3d675ce30d8f@SystematicSW.ab.ca> Date: Fri, 21 Feb 2025 10:20:48 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Implementing posix_fadvise()? Content-Language: en-CA To: cygwin AT cygwin DOT com References: Autocrypt: addr=Brian DOT Inglis AT SystematicSW DOT ab DOT ca; keydata= xjMEXopx8xYJKwYBBAHaRw8BAQdAnCK0qv/xwUCCZQoA9BHRYpstERrspfT0NkUWQVuoePbN LkJyaWFuIEluZ2xpcyA8QnJpYW4uSW5nbGlzQFN5c3RlbWF0aWNTdy5hYi5jYT7ClgQTFggA PhYhBMM5/lbU970GBS2bZB62lxu92I8YBQJeinHzAhsDBQkJZgGABQsJCAcCBhUKCQgLAgQW AgMBAh4BAheAAAoJEB62lxu92I8Y0ioBAI8xrggNxziAVmr+Xm6nnyjoujMqWcq3oEhlYGAO WacZAQDFtdDx2koSVSoOmfaOyRTbIWSf9/Cjai29060fsmdsDM44BF6KcfMSCisGAQQBl1UB BQEBB0Awv8kHI2PaEgViDqzbnoe8B9KMHoBZLS92HdC7ZPh8HQMBCAfCfgQYFggAJhYhBMM5 /lbU970GBS2bZB62lxu92I8YBQJeinHzAhsMBQkJZgGAAAoJEB62lxu92I8YZwUBAJw/74rF IyaSsGI7ewCdCy88Lce/kdwX7zGwid+f8NZ3AQC/ezTFFi5obXnyMxZJN464nPXiggtT9gN5 RSyTY8X+AQ== Organization: Systematic Software In-Reply-To: X-Stat-Signature: fwdxqr3yr6fgwagsbu3m4ar86ddcqehf X-Rspamd-Server: rspamout01 X-Rspamd-Queue-Id: 7BB772F X-Session-Marker: 427269616E2E496E676C69734053797374656D6174696353572E61622E6361 X-Session-ID: U2FsdGVkX1+R4KVlT1AuQ/v1SLVp+LhZ7OPcVZV2r3o= X-HE-Tag: 1740158449-477048 X-HE-Meta: U2FsdGVkX1/H/4nySn4DtHO9Iw+po5ikTzMaLskv1VrdB0eM3XWOwagWqu1pWy5rBtqguw6IkBwy1OmzuCUQjnjfXLin0D10f+mAEk1Gw4KASdENbAXj61pQLfjejoaRPyKzwa7ISRuk83zCz9cMmnAnP+3GJPqfIbNa8QIsg8/6Dm7BBPzd8wUUXV1oBY0RCluFJ9yN4r3iar+b/jXlDFvIkPqZow4rAiQ6nlBcXFX97nbMkyGxtoNNPEVKnTvirPZRh2JUnwpw0JG1j2hLEtqXsI6ayHcEdiH8vRTcjt15HOYlT/wo2rTPFXPqIw+qvhQZCgCsLBkeiXKswELevhudMHqlCGjNZk/pNfBqmMHvlHaS58s/C4c6z4WMxO+kPc4I1sXTwhunnJs6XLsADjSmGcV8VNvdXRnAfN3S1I1DdVpBD9n3yQ== X-BeenThere: cygwin AT cygwin DOT com X-Mailman-Version: 2.1.30 Precedence: list List-Id: General Cygwin discussions and problem reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Brian Inglis via Cygwin Reply-To: cygwin AT cygwin DOT com Cc: Brian Inglis Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: cygwin-bounces~archive-cygwin=delorie DOT com AT cygwin DOT com Sender: "Cygwin" Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by delorie.com id 51LHLMrW921523 On 2025-02-21 09:33, Martin Wege via Cygwin wrote: > Could Cygwin implement posix_fadvise()? Which Windows API would be > suitable to map posix_fadvise() functionality? Could and does since 2006 (read commnets for details): https://cygwin.com/git/?p=newlib-cygwin.git;a=commitdiff;h=7636b58590621af3c341c3eb37a017e0e6598d3f See also Cygwin packages man-pages-posix posix_fadvise(3p) and man-pages-linux posix_fadvise(2). Windows: https://learn.microsoft.com/en-gb/windows/win32/api/fileapi/nf-fileapi-createfilea?redirectedfrom=MSDN#caching_behavior -- Take care. Thanks, Brian Inglis Calgary, Alberta, Canada La perfection est atteinte Perfection is achieved non pas lorsqu'il n'y a plus rien à ajouter not when there is no more to add mais lorsqu'il n'y a plus rien à retrancher but when there is no more to cut -- Antoine de Saint-Exupéry -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple