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annotate src/os/unix/ngx_sunpro_x86.il @ 4244:df9d3dd8cfc0 stable-1.0

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Merging r4020: SIGWINCH/NOACCEPT signal is disabled now in non-daemon mode. Non-daemon mode is currently used by supervisord, daemontools and so on or during debugging. The NOACCEPT signal is only used for online upgrade which is not supported when nginx is run under supervisord, etc., so this change should not break existant setups.
author Igor Sysoev <igor@sysoev.ru>
date Tue, 01 Nov 2011 11:26:56 +0000
parents 7e02df612521
children d620f497c50f
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1 /
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2 / Copyright (C) Igor Sysoev
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3 /
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5 / ngx_atomic_uint_t ngx_atomic_cmp_set(ngx_atomic_t *lock,
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6 / ngx_atomic_uint_t old, ngx_atomic_uint_t set);
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7 /
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8 / the arguments are passed on stack (%esp), 4(%esp), 8(%esp)
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10 .inline ngx_atomic_cmp_set,0
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11 movl (%esp), %ecx
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12 movl 4(%esp), %eax
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13 movl 8(%esp), %edx
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14 lock
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15 cmpxchgl %edx, (%ecx)
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16 setz %al
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17 movzbl %al, %eax
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18 .end
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21 / ngx_atomic_int_t ngx_atomic_fetch_add(ngx_atomic_t *value,
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22 / ngx_atomic_int_t add);
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23 /
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24 / the arguments are passed on stack (%esp), 4(%esp)
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26 .inline ngx_atomic_fetch_add,0
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27 movl (%esp), %ecx
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28 movl 4(%esp), %eax
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29 lock
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30 xaddl %eax, (%ecx)
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31 .end
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34 / ngx_cpu_pause()
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35 /
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36 / the "rep; nop" is used instead of "pause" to avoid the "[ PAUSE ]" hardware
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37 / capability added by linker because Solaris/i386 does not know about it:
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38 /
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39 / ld.so.1: nginx: fatal: hardware capability unsupported: 0x2000 [ PAUSE ]
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41 .inline ngx_cpu_pause,0
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42 rep; nop
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43 .end