Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_sunpro_amd64.il @ 4448:539355d9e675 stable-1.0
Merge of r4404:
Fixed sched_setaffinity(2) to correctly pass size.
Second argument (cpusetsize) is size in bytes, not in bits. Previously
used constant 32 resulted in reading of uninitialized memory and caused
EINVAL to be returned on some Linux kernels.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Sun, 05 Feb 2012 19:25:24 +0000 |
parents | bfd1912e55a9 |
children | d620f497c50f |
rev | line source |
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561 | 1 / |
2 / Copyright (C) Igor Sysoev | |
3 / | |
4 | |
5 / ngx_atomic_uint_t ngx_atomic_cmp_set(ngx_atomic_t *lock, | |
6 / ngx_atomic_uint_t old, ngx_atomic_uint_t set); | |
7 / | |
8 / the arguments are passed in %rdi, %rsi, %rdx | |
9 / the result is returned in the %rax | |
10 | |
11 .inline ngx_atomic_cmp_set,0 | |
12 movq %rsi, %rax | |
13 lock | |
14 cmpxchgq %rdx, (%rdi) | |
15 setz %al | |
16 movzbq %al, %rax | |
17 .end | |
18 | |
19 | |
20 / ngx_atomic_int_t ngx_atomic_fetch_add(ngx_atomic_t *value, | |
21 / ngx_atomic_int_t add); | |
22 / | |
23 / the arguments are passed in %rdi, %rsi | |
24 / the result is returned in the %rax | |
25 | |
26 .inline ngx_atomic_fetch_add,0 | |
27 movq %rsi, %rax | |
28 lock | |
29 xaddq %rax, (%rdi) | |
30 .end | |
1309 | 31 |
32 | |
33 / ngx_cpu_pause() | |
3479
bfd1912e55a9
use "rep; nop" instead of "pause" on Solaris/amd64
Igor Sysoev <igor@sysoev.ru>
parents:
1309
diff
changeset
|
34 / |
bfd1912e55a9
use "rep; nop" instead of "pause" on Solaris/amd64
Igor Sysoev <igor@sysoev.ru>
parents:
1309
diff
changeset
|
35 / 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
|
36 / 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
|
37 / |
bfd1912e55a9
use "rep; nop" instead of "pause" on Solaris/amd64
Igor Sysoev <igor@sysoev.ru>
parents:
1309
diff
changeset
|
38 / ld.so.1: nginx: fatal: hardware capability unsupported: 0x2000 [ PAUSE ] |
1309 | 39 |
40 .inline ngx_cpu_pause,0 | |
3479
bfd1912e55a9
use "rep; nop" instead of "pause" on Solaris/amd64
Igor Sysoev <igor@sysoev.ru>
parents:
1309
diff
changeset
|
41 rep; nop |
1309 | 42 .end |