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Lu" Subject: [PATCH liburing] examples/ucontext-cp.c: cope with variable SIGSTKSZ Date: Tue, 13 Apr 2021 16:03:19 +0100 Message-Id: <20210413150319.764600-1-stefanha@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org VGhlIHNpemUgb2YgQyBhcnJheXMgYXQgZmlsZSBzY29wZSBtdXN0IGJlIGNvbnN0YW50LiBUaGUg Zm9sbG93aW5nCmNvbXBpbGVyIGVycm9yIG9jY3VycyB3aXRoIHJlY2VudCB1cHN0cmVhbSBnbGli YyAoMi4zMy45MDAwKToKCiAgQ0MgdWNvbnRleHQtY3AKICB1Y29udGV4dC1jcC5jOjMxOjIzOiBl cnJvcjogdmFyaWFibHkgbW9kaWZpZWQg4oCYc3RhY2tfYnVm4oCZIGF0IGZpbGUgc2NvcGUKICAz MSB8ICAgICAgICAgdW5zaWduZWQgY2hhciBzdGFja19idWZbU0lHU1RLU1pdOwogICAgIHwgICAg ICAgICAgICAgICAgICAgICAgIF5+fn5+fn5+fgogIG1ha2VbMV06ICoqKiBbTWFrZWZpbGU6MjY6 IHVjb250ZXh0LWNwXSBFcnJvciAxCgpUaGUgZm9sbG93aW5nIGdsaWJjIGNvbW1pdCBjaGFuZ2Vk IFNJR1NUS1NaIGZyb20gYSBjb25zdGFudCB2YWx1ZSB0byBhCnZhcmlhYmxlOgoKICBjb21taXQg NmM1N2QzMjA0ODQ5ODhlODdlNDQ2ZTJlNjBjZTQyODE2YmY1MWQ1MwogIEF1dGhvcjogSC5KLiBM dSA8aGpsLnRvb2xzQGdtYWlsLmNvbT4KICBEYXRlOiAgIE1vbiBGZWIgMSAxMTowMDozOCAyMDIx IC0wODAwCgogICAgc3lzY29uZjogQWRkIF9TQ19NSU5TSUdTVEtTWi9fU0NfU0lHU1RLU1ogW0Ja ICMyMDMwNV0KICAuLi4KICArIyBkZWZpbmUgU0lHU1RLU1ogc3lzY29uZiAoX1NDX1NJR1NUS1Na KQoKQWxsb2NhdGUgdGhlIHN0YWNrIGJ1ZmZlciBleHBsaWNpdGx5IHRvIGF2b2lkIGRlY2xhcmlu ZyBhbiBhcnJheSBhdCBmaWxlCnNjb3BlLgoKQ2M6IEguSi4gTHUgPGhqbC50b29sc0BnbWFpbC5j b20+ClNpZ25lZC1vZmYtYnk6IFN0ZWZhbiBIYWpub2N6aSA8c3RlZmFuaGFAcmVkaGF0LmNvbT4K LS0tClBlcmhhcHMgdGhlIGdsaWJjIGNoYW5nZSBuZWVkcyB0byBiZSByZXZpc2VkIGJlZm9yZSBy ZWxlYXNpbmcgZ2xpYmMgMi4zNApzaW5jZSBpdCBtaWdodCBicmVhayBhcHBsaWNhdGlvbnMuIFRo YXQncyB1cCB0byB0aGUgZ2xpYmMgZm9sa3MuIEl0CmRvZXNuJ3QgaHVydCBmb3IgbGlidXJpbmcg dG8gdGFrZSBhIHNhZmVyIGFwcHJvYWNoIHRoYXQgY29wZXMgd2l0aCB0aGUKU0lHU1RLU1ogY2hh bmdlIGluIGFueSBjYXNlLgotLS0KIGV4YW1wbGVzL3Vjb250ZXh0LWNwLmMgfCAxMiArKysrKysr KystLS0KIDEgZmlsZSBjaGFuZ2VkLCA5IGluc2VydGlvbnMoKyksIDMgZGVsZXRpb25zKC0pCgpk aWZmIC0tZ2l0IGEvZXhhbXBsZXMvdWNvbnRleHQtY3AuYyBiL2V4YW1wbGVzL3Vjb250ZXh0LWNw LmMKaW5kZXggMGIyYTZiNS4uZWEwYzkzNCAxMDA2NDQKLS0tIGEvZXhhbXBsZXMvdWNvbnRleHQt Y3AuYworKysgYi9leGFtcGxlcy91Y29udGV4dC1jcC5jCkBAIC0yOCw3ICsyOCw3IEBACiAKIHR5 cGVkZWYgc3RydWN0IHsKIAlzdHJ1Y3QgaW9fdXJpbmcgKnJpbmc7Ci0JdW5zaWduZWQgY2hhciBz dGFja19idWZbU0lHU1RLU1pdOworCXVuc2lnbmVkIGNoYXIgKnN0YWNrX2J1ZjsKIAl1Y29udGV4 dF90IGN0eF9tYWluLCBjdHhfZm5ldzsKIH0gYXN5bmNfY29udGV4dDsKIApAQCAtMTE1LDggKzEx NSwxMyBAQCBzdGF0aWMgaW50IHNldHVwX2NvbnRleHQoYXN5bmNfY29udGV4dCAqcGN0eCwgc3Ry dWN0IGlvX3VyaW5nICpyaW5nKQogCQlwZXJyb3IoImdldGNvbnRleHQiKTsKIAkJcmV0dXJuIC0x OwogCX0KLQlwY3R4LT5jdHhfZm5ldy51Y19zdGFjay5zc19zcCA9ICZwY3R4LT5zdGFja19idWY7 Ci0JcGN0eC0+Y3R4X2ZuZXcudWNfc3RhY2suc3Nfc2l6ZSA9IHNpemVvZihwY3R4LT5zdGFja19i dWYpOworCXBjdHgtPnN0YWNrX2J1ZiA9IG1hbGxvYyhTSUdTVEtTWik7CisJaWYgKCFwY3R4LT5z dGFja19idWYpIHsKKwkJcGVycm9yKCJtYWxsb2MiKTsKKwkJcmV0dXJuIC0xOworCX0KKwlwY3R4 LT5jdHhfZm5ldy51Y19zdGFjay5zc19zcCA9IHBjdHgtPnN0YWNrX2J1ZjsKKwlwY3R4LT5jdHhf Zm5ldy51Y19zdGFjay5zc19zaXplID0gU0lHU1RLU1o7CiAJcGN0eC0+Y3R4X2ZuZXcudWNfbGlu ayA9ICZwY3R4LT5jdHhfbWFpbjsKIAogCXJldHVybiAwOwpAQCAtMTc0LDYgKzE3OSw3IEBAIHN0 YXRpYyB2b2lkIGNvcHlfZmlsZV93cmFwcGVyKGFyZ3VtZW50c19idW5kbGUgKnBidW5kbGUpCiAJ ZnJlZShpb3YuaW92X2Jhc2UpOwogCWNsb3NlKHBidW5kbGUtPmluZmQpOwogCWNsb3NlKHBidW5k bGUtPm91dGZkKTsKKwlmcmVlKHBidW5kbGUtPnBjdHgtPnN0YWNrX2J1Zik7CiAJZnJlZShwYnVu ZGxlLT5wY3R4KTsKIAlmcmVlKHBidW5kbGUpOwogCi0tIAoyLjMwLjIKCg==