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Thu, 29 Feb 2024 16:04:09 +0000 Content-Type: multipart/mixed; boundary="===============1158455504943753754==" MIME-Version: 1.0 From: Nathan Bossart To: pgsql-committers@lists.postgresql.org Subject: pgsql: Introduce atomic read/write functions with full barrier semantic X-Auto-Response-Suppress: All Auto-Submitted: auto-generated Message-Id: Date: Thu, 29 Feb 2024 16:04:08 +0000 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --===============1158455504943753754== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 SW50cm9kdWNlIGF0b21pYyByZWFkL3dyaXRlIGZ1bmN0aW9ucyB3aXRoIGZ1bGwgYmFycmllciBz ZW1hbnRpY3MuCgpXcml0aW5nIGNvcnJlY3QgY29kZSB1c2luZyBhdG9taWMgdmFyaWFibGVzIGlz IG9mdGVuIGRpZmZpY3VsdCBkdWUKdG8gdGhlIG1lbW9yeSBiYXJyaWVyIHNlbWFudGljcyAob3Ig bGFjayB0aGVyZW9mKSBvZiB0aGUgdW5kZXJseWluZwpvcGVyYXRpb25zLiAgVGhpcyBjb21taXQg aW50cm9kdWNlcyBhdG9taWMgcmVhZC93cml0ZSBmdW5jdGlvbnMKd2l0aCBmdWxsIGJhcnJpZXIg c2VtYW50aWNzIHRvIGVhc2UgdGhpcyBjb2duaXRpdmUgbG9hZC4gIEZvcgpleGFtcGxlLCBzb21l IHNwaW5sb2NrcyBwcm90ZWN0IGEgc2luZ2xlIHZhbHVlLCBhbmQgdGhlc2UgbmV3CmZ1bmN0aW9u cyBtYWtlIGl0IGVhc3kgdG8gY29udmVydCB0aGUgdmFsdWUgdG8gYW4gYXRvbWljIHZhcmlhYmxl Cih0aHVzIGVsaW1pbmF0aW5nIHRoZSBuZWVkIGZvciB0aGUgc3BpbmxvY2spIHdpdGhvdXQgbW9k aWZ5aW5nIHRoZQpiYXJyaWVyIHNlbWFudGljcyBwcmV2aW91c2x5IHByb3ZpZGVkIGJ5IHRoZSBz cGlubG9jay4gIFNpbmNlIHRoZXNlCmZ1bmN0aW9ucyBtYXkgYmUgbGVzcyBwZXJmb3JtYW50IHRo YW4gdGhlIG90aGVyIGF0b21pYyByZWFkcyBhbmQKd3JpdGVzLCB0aGV5IGFyZSBub3Qgc3VpdGFi bGUgZm9yIGV2ZXJ5IHVzZS1jYXNlLiAgSG93ZXZlciwgdXNpbmcgYQpzaW5nbGUgYXRvbWljIG9w ZXJhdGlvbiB3aXRoIGZ1bGwgYmFycmllciBzZW1hbnRpY3MgbWF5IGJlIG1vcmUKcGVyZm9ybWFu dCBpbiBjYXNlcyB3aGVyZSBhIHNlcGFyYXRlIGV4cGxpY2l0IGJhcnJpZXIgd291bGQKb3RoZXJ3 aXNlIGJlIHJlcXVpcmVkLgoKVGhlIGJhc2UgaW1wbGVtZW50YXRpb25zIGZvciB0aGVzZSBuZXcg ZnVuY3Rpb25zIGFyZSBhdG9taWMKZXhjaGFuZ2VzIChmb3Igd3JpdGVzKSBhbmQgYXRvbWljIGZl dGNoL2FkZHMgd2l0aCAwIChmb3IgcmVhZHMpLgpUaGVzZSBpbXBsZW1lbnRhdGlvbnMgY2FuIGJl IG92ZXJ3cml0dGVuIHdpdGggYmV0dGVyIGFyY2hpdGVjdHVyZS0Kc3BlY2lmaWMgdmVyc2lvbnMg YXMgdGhleSBhcmUgZGlzY292ZXJlZC4KClRoaXMgY29tbWl0IGxlYXZlcyBjb252ZXJ0aW5nIGV4 aXN0aW5nIGNvZGUgdG8gdXNlIHRoZXNlIG5ldwpmdW5jdGlvbnMgYXMgYSBmdXR1cmUgZXhlcmNp c2UuCgpSZXZpZXdlZC1ieTogQW5kcmVzIEZyZXVuZCwgWW9uZyBMaSwgSmVmZiBEYXZpcwpEaXNj dXNzaW9uOiBodHRwczovL3Bvc3Rnci5lcy9tLzIwMjMxMTEwMjA1MTI4LkdCMTMxNTcwNSU0MG5h dGhhbnhwczEzCgpCcmFuY2gKLS0tLS0tCm1hc3RlcgoKRGV0YWlscwotLS0tLS0tCmh0dHBzOi8v Z2l0LnBvc3RncmVzcWwub3JnL3BnL2NvbW1pdGRpZmYvYmQ1MTMyZGI1NThiNmM4ZDExZWI4Mzhi ZTgxZTIxNzdhOTVjNzM4OAoKTW9kaWZpZWQgRmlsZXMKLS0tLS0tLS0tLS0tLS0Kc3JjL2luY2x1 ZGUvcG9ydC9hdG9taWNzLmggICAgICAgICB8IDU4ICsrKysrKysrKysrKysrKysrKysrKysrKysr KysrKysrKysrKysrCnNyYy9pbmNsdWRlL3BvcnQvYXRvbWljcy9nZW5lcmljLmggfCAzNiArKysr KysrKysrKysrKysrKysrKysrKwoyIGZpbGVzIGNoYW5nZWQsIDk0IGluc2VydGlvbnMoKykKCg== --===============1158455504943753754==--