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annotate src/event/ngx_event_mutex.c @ 67:5a7d1aaa1618

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nginx-0.0.1-2003-03-11-23:38:13 import
author Igor Sysoev <igor@sysoev.ru>
date Tue, 11 Mar 2003 20:38:13 +0000
parents d220029ac7f3
children d4e65d74db9f
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d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
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1
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
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2 spinlock_max depend on CPU number and mutex type.
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
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3 1 CPU 1
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
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4 ngx_malloc_mutex 1000 ?
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
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5
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
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6
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
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7 int ngx_event_mutex_trylock(ngx_mutex_t *mtx)
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
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8 {
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
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9 for(i = mtx->spinlock_max; i; i--)
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
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10 if (trylock(mtx->lock))
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
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11 return 1;
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
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12
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
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13 return 0;
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
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14 }