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annotate src/os/unix/ngx_sunpro_sparc64.il @ 9202:e88cdaa0f1ff

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AIO operations now add timers (ticket #2162). Each AIO (thread IO) operation being run is now accompanied with 1-minute timer. This timer prevents unexpected shutdown of the worker process while an AIO operation is running, and logs an alert if the operation is running for too long. This fixes "open socket left" alerts during worker processes shutdown due to pending AIO (or thread IO) operations while corresponding requests have no timers. In particular, such errors were observed while reading cache headers (ticket #2162), and with worker_shutdown_timeout.
author Maxim Dounin <mdounin@mdounin.ru>
date Mon, 29 Jan 2024 10:31:37 +0300
parents d620f497c50f
children
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1 /
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2 / Copyright (C) Igor Sysoev
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d620f497c50f Copyright updated.
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3 / Copyright (C) Nginx, Inc.
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7 / "casa [%o2] 0x80, %o1, %o0" and
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8 / "casxa [%o2] 0x80, %o1, %o0" do the following:
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10 / if ([%o2] == %o1) {
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11 / swap(%o0, [%o2]);
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12 / } else {
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13 / %o0 = [%o2];
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14 / }
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17 / ngx_atomic_uint_t ngx_casa(ngx_atomic_uint_t set, ngx_atomic_uint_t old,
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18 / ngx_atomic_t *lock);
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19 /
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20 / the arguments are passed in the %o0, %o1, %o2
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21 / the result is returned in the %o0
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23 .inline ngx_casa,0
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24 casa [%o2] 0x80, %o1, %o0
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25 .end
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28 / ngx_atomic_uint_t ngx_casxa(ngx_atomic_uint_t set, ngx_atomic_uint_t old,
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29 / ngx_atomic_t *lock);
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30 /
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31 / the arguments are passed in the %o0, %o1, %o2
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32 / the result is returned in the %o0
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34 .inline ngx_casxa,0
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35 casxa [%o2] 0x80, %o1, %o0
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36 .end