Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_sunpro_amd64.il @ 7892:2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
As per https://tools.ietf.org/html/rfc7540#section-8.1,
: A server can send a complete response prior to the client
: sending an entire request if the response does not depend on
: any portion of the request that has not been sent and
: received. When this is true, a server MAY request that the
: client abort transmission of a request without error by
: sending a RST_STREAM with an error code of NO_ERROR after
: sending a complete response (i.e., a frame with the
: END_STREAM flag). Clients MUST NOT discard responses as a
: result of receiving such a RST_STREAM, though clients can
: always discard responses at their discretion for other
: reasons.
Previously, RST_STREAM(NO_ERROR) received from upstream after
a frame with the END_STREAM flag was incorrectly treated as an
error. Now, a single RST_STREAM(NO_ERROR) is properly handled.
This fixes problems observed with modern grpc-c [1], as well
as with the Go gRPC module.
[1] https://github.com/grpc/grpc/pull/1661
author | Ruslan Ermilov <ru@nginx.com> |
---|---|
date | Thu, 23 Apr 2020 15:10:24 +0300 |
parents | 2cd019520210 |
children |
rev | line source |
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561 | 1 / |
2 / Copyright (C) Igor Sysoev | |
4412 | 3 / Copyright (C) Nginx, Inc. |
561 | 4 / |
5 | |
6 / ngx_atomic_uint_t ngx_atomic_cmp_set(ngx_atomic_t *lock, | |
7 / ngx_atomic_uint_t old, ngx_atomic_uint_t set); | |
8 / | |
9 / the arguments are passed in %rdi, %rsi, %rdx | |
10 / the result is returned in the %rax | |
11 | |
12 .inline ngx_atomic_cmp_set,0 | |
13 movq %rsi, %rax | |
14 lock | |
15 cmpxchgq %rdx, (%rdi) | |
16 setz %al | |
17 movzbq %al, %rax | |
18 .end | |
19 | |
20 | |
21 / ngx_atomic_int_t ngx_atomic_fetch_add(ngx_atomic_t *value, | |
22 / ngx_atomic_int_t add); | |
23 / | |
24 / the arguments are passed in %rdi, %rsi | |
25 / the result is returned in the %rax | |
26 | |
27 .inline ngx_atomic_fetch_add,0 | |
28 movq %rsi, %rax | |
29 lock | |
30 xaddq %rax, (%rdi) | |
31 .end | |
1309 | 32 |
33 | |
34 / ngx_cpu_pause() | |
3479
bfd1912e55a9
use "rep; nop" instead of "pause" on Solaris/amd64
Igor Sysoev <igor@sysoev.ru>
parents:
1309
diff
changeset
|
35 / |
bfd1912e55a9
use "rep; nop" instead of "pause" on Solaris/amd64
Igor Sysoev <igor@sysoev.ru>
parents:
1309
diff
changeset
|
36 / the "rep; nop" is used instead of "pause" to avoid the "[ PAUSE ]" hardware |
bfd1912e55a9
use "rep; nop" instead of "pause" on Solaris/amd64
Igor Sysoev <igor@sysoev.ru>
parents:
1309
diff
changeset
|
37 / capability added by linker because Solaris/amd64 does not know about it: |
bfd1912e55a9
use "rep; nop" instead of "pause" on Solaris/amd64
Igor Sysoev <igor@sysoev.ru>
parents:
1309
diff
changeset
|
38 / |
bfd1912e55a9
use "rep; nop" instead of "pause" on Solaris/amd64
Igor Sysoev <igor@sysoev.ru>
parents:
1309
diff
changeset
|
39 / ld.so.1: nginx: fatal: hardware capability unsupported: 0x2000 [ PAUSE ] |
1309 | 40 |
6474 | 41 .inline ngx_cpu_pause,0 |
42 rep; nop | |
43 .end |