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GET /api/patches/807215/?format=api
{ "id": 807215, "url": "http://patchwork.ozlabs.org/api/patches/807215/?format=api", "web_url": "http://patchwork.ozlabs.org/project/glibc/patch/CALoOobMeBycaWz2E7_YYQFeg38936j3xde5k3+zk1sgrLy+J0Q@mail.gmail.com/", "project": { "id": 41, "url": "http://patchwork.ozlabs.org/api/projects/41/?format=api", "name": "GNU C Library", "link_name": "glibc", "list_id": "libc-alpha.sourceware.org", "list_email": "libc-alpha@sourceware.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<CALoOobMeBycaWz2E7_YYQFeg38936j3xde5k3+zk1sgrLy+J0Q@mail.gmail.com>", "list_archive_url": null, "date": "2017-08-29T18:11:54", "name": "Extend tst-{atexit,at_quick_exit,cxa_atexit,onexit} to verify minimum number of supported handlers", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "fa0907140b4c31bb5444346f4d7e4dba44e7e950", "submitter": { "id": 6128, "url": "http://patchwork.ozlabs.org/api/people/6128/?format=api", "name": "Paul Pluzhnikov", "email": "ppluzhnikov@google.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/glibc/patch/CALoOobMeBycaWz2E7_YYQFeg38936j3xde5k3+zk1sgrLy+J0Q@mail.gmail.com/mbox/", "series": [ { "id": 428, "url": "http://patchwork.ozlabs.org/api/series/428/?format=api", "web_url": "http://patchwork.ozlabs.org/project/glibc/list/?series=428", "date": "2017-08-29T18:11:54", "name": "Extend tst-{atexit,at_quick_exit,cxa_atexit,onexit} to verify minimum number of supported handlers", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/428/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/807215/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/807215/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<libc-alpha-return-83840-incoming=patchwork.ozlabs.org@sourceware.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": [ "patchwork-incoming@bilbo.ozlabs.org", "mailing list libc-alpha@sourceware.org" ], "Authentication-Results": [ "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=sourceware.org\n\t(client-ip=209.132.180.131; helo=sourceware.org;\n\tenvelope-from=libc-alpha-return-83840-incoming=patchwork.ozlabs.org@sourceware.org;\n\treceiver=<UNKNOWN>)", "ozlabs.org; dkim=pass (1024-bit key;\n\tsecure) header.d=sourceware.org header.i=@sourceware.org\n\theader.b=\"tEUEM5KS\"; dkim-atps=neutral", "sourceware.org; auth=none" ], "Received": [ "from sourceware.org (server1.sourceware.org [209.132.180.131])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xhcDt5qs8z9sD9\n\tfor <incoming@patchwork.ozlabs.org>;\n\tWed, 30 Aug 2017 04:12:46 +1000 (AEST)", "(qmail 44774 invoked by alias); 29 Aug 2017 18:12:38 -0000", "(qmail 44073 invoked by uid 89); 29 Aug 2017 18:12:37 -0000" ], "DomainKey-Signature": "a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id\n\t:list-unsubscribe:list-subscribe:list-archive:list-post\n\t:list-help:sender:mime-version:from:date:message-id:subject:to\n\t:content-type; q=dns; s=default; b=DfSrEUPGAPBVOSLGFSEL5qe5eAqnl\n\tyx9l0dIj+2SiiY4DjsTwf0S7Q/UCp/P1w2yCPwmKsKSW40fqoyMYFFCc8yHQaqiW\n\tBiTqtYSwnuSYx+zz7uSm/SjCIWvzMzLAhnO3WaBw8y7ym5dZt7BqUkrLvA1HwL2N\n\trLVDWcmYCCis3o=", "DKIM-Signature": "v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id\n\t:list-unsubscribe:list-subscribe:list-archive:list-post\n\t:list-help:sender:mime-version:from:date:message-id:subject:to\n\t:content-type; s=default; bh=EaFqDXL7S700dFYXH3DpkJfRGMU=; b=tEU\n\tEM5KS0pYbqJh73WPlLkpPuffaTuU/Oq1sgA+r4R/YYjrQgSrbKhOzC/xRnem35Nu\n\tltHxN38nSAhlKeWoqYySgHtAJBkkq+QxtA3DEMQuaEXBE3P4de7VrGvrjVqlJTMV\n\tsYisjSj/gNtBVwZEGnDGytL2+nyK14V85EvUq8mA=", "Mailing-List": "contact libc-alpha-help@sourceware.org; run by ezmlm", "Precedence": "bulk", "List-Id": "<libc-alpha.sourceware.org>", "List-Unsubscribe": "<mailto:libc-alpha-unsubscribe-incoming=patchwork.ozlabs.org@sourceware.org>", "List-Subscribe": "<mailto:libc-alpha-subscribe@sourceware.org>", "List-Archive": "<http://sourceware.org/ml/libc-alpha/>", "List-Post": "<mailto:libc-alpha@sourceware.org>", "List-Help": "<mailto:libc-alpha-help@sourceware.org>,\n\t<http://sourceware.org/ml/#faqs>", "Sender": "libc-alpha-owner@sourceware.org", "X-Virus-Found": "No", "X-Spam-SWARE-Status": "No, score=-24.3 required=5.0 tests=AWL, BAYES_00,\n\tGIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3,\n\tRCVD_IN_DNSWL_NONE, RCVD_IN_SORBS_SPAM, RP_MATCHES_RCVD,\n\tSPF_PASS autolearn=ham version=3.3.2 spammy=", "X-HELO": "mail-vk0-f43.google.com", "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20161025;\n\th=x-gm-message-state:mime-version:from:date:message-id:subject:to;\n\tbh=Jjfl8jVdiLhSuMYbaPqi5pHNOlptOWDoYtgVdXn1en4=;\n\tb=ueJ5zf7O5N7dQN/WvI/l1Ga7t4Zec6DYKp56OWMAm+EAPSfaZk4fKQ0b9CvcNyqtf2\n\tAIOYCuUrrdavFUu1yMGV0ZWGEv+Ff6OHxFucMR8QBEjrM86mKeCXp1QhexsQhXIv2pz3\n\t4U/gNFi7NpHQZhUuqBniFl2BURP6P4k2X1qm79Zhn1+T/EIj3JhtfmDCwHczQurnJdA2\n\tjLKPyNV1MLZph5+ZoHpkcP8XC6mtL8yn7oxqxnQv72OPQTo2833cR7wmYOCdfBzgqkM+\n\tMgIiap37J4H7jxKeCRtO/nEzKWCk353ZmFEIEL2++QFJLD//kk9zK6a8dJtvM0pIlJoC\n\tnjsg==", "X-Gm-Message-State": "AHYfb5gyce77jYnCKKtzHWwSefrGcB8GVJU4yuU32wi5JK0jEv7KilfC\n\tV2NVz8PkgSUrHcX9aqRxYnAvbxGssYFrRb5xGA==", "X-Google-Smtp-Source": "ADKCNb5KLPYRXADJJcj6SeZpEc4/A3gJPr7BmF1bkWWTRu5NrTg52lseLLLxmAZZzmr2xJfCR1olvKEqyjlnD9gBwF4=", "X-Received": "by 10.31.49.200 with SMTP id x191mr649813vkx.127.1504030345315; \n\tTue, 29 Aug 2017 11:12:25 -0700 (PDT)", "MIME-Version": "1.0", "From": "Paul Pluzhnikov <ppluzhnikov@google.com>", "Date": "Tue, 29 Aug 2017 11:11:54 -0700", "Message-ID": "<CALoOobMeBycaWz2E7_YYQFeg38936j3xde5k3+zk1sgrLy+J0Q@mail.gmail.com>", "Subject": "[PATCH] Extend tst-{atexit, at_quick_exit, cxa_atexit,\n\tonexit} to verify minimum number of supported handlers", "To": "GLIBC Devel <libc-alpha@sourceware.org>", "Content-Type": "multipart/mixed; boundary=\"001a1143e92877882d0557e85a6e\"" }, "content": "Greetings,\n\nThis patch implements the other TODO in stdlib/tst-atexit-common.c\n\n2017-08-29 Paul Pluzhnikov <ppluzhnikov@google.com>\n\n * stdlib/tst-atexit-common.c (do_test): Test support for at least\n 32 atexit handlers.", "diff": "diff --git a/stdlib/tst-atexit-common.c b/stdlib/tst-atexit-common.c\nindex 99b00bf3aa..d6dcf08cdd 100644\n--- a/stdlib/tst-atexit-common.c\n+++ b/stdlib/tst-atexit-common.c\n@@ -23,7 +23,13 @@\n #include <unistd.h>\n #include <sys/wait.h>\n \n-#define MAX_ATEXIT 20 /* Large enough for current set of invocations. */\n+/* http://pubs.opengroup.org/onlinepubs/000095399/functions/atexit.html\n+ requires that we support at least 32 atexit handlers.\n+\n+ The number we actually support is limited by memory. Here we simply\n+ check that we support at least the minimum required. */\n+#define MAX_ATEXIT 32\n+\n static char crumbs[MAX_ATEXIT];\n static int next_slot = 0;\n \n@@ -66,7 +72,7 @@ static void\n fn_final (void)\n {\n /* Arbitrary sequence matching current registrations. */\n- const char expected[] = \"3021121130211\";\n+ const char expected[] = \"00000000000000000000000003021121130211\";\n \n if (strcmp (crumbs, expected) == 0)\n _exit_with_flush (0);\n@@ -76,25 +82,26 @@ fn_final (void)\n _exit_with_flush (1);\n }\n \n-/* This is currently just a basic test to verify that exit handlers execute\n- in LIFO order, even when the handlers register additional new handlers.\n-\n- TODO: Additional tests that we should do:\n- 1. POSIX says we need to support at least ATEXIT_MAX\n- 2. ... */\n-\n static int\n do_test (void)\n {\n+ int slots_remaining = MAX_ATEXIT;\n+\n /* Register this first so it can verify expected order of the rest. */\n- ATEXIT (fn_final);\n+ ATEXIT (fn_final); --slots_remaining;\n \n- ATEXIT (fn1);\n- ATEXIT (fn3);\n- ATEXIT (fn1);\n- ATEXIT (fn2);\n- ATEXIT (fn1);\n- ATEXIT (fn3);\n+ ATEXIT (fn1); --slots_remaining;\n+ ATEXIT (fn3); --slots_remaining;\n+ ATEXIT (fn1); --slots_remaining;\n+ ATEXIT (fn2); --slots_remaining;\n+ ATEXIT (fn1); --slots_remaining;\n+ ATEXIT (fn3); --slots_remaining;\n+\n+ /* Fill the rest of available slots with fn0. */\n+ while (slots_remaining > 0)\n+ {\n+ ATEXIT (fn0); --slots_remaining;\n+ }\n \n /* Verify that handlers registered above are inherited across fork. */\n const pid_t child = fork ();\n", "prefixes": [] }