50 lines
867 B
C
50 lines
867 B
C
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/* 1 */
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int ngx_posix_aio_process_events(ngx_log_t *log)
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{
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listen via SIGIO;
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aio_* via SIGxxx;
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sigsuspend()/sigwaitinfo()/sigtimedwait();
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}
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/* 2 */
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int ngx_posix_aio_process_events(ngx_log_t *log)
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{
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unmask signal
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listen via SIGIO;
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/* BUG: SIGIO can be delivered before aio_*() */
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aio_suspend()/aiowait()/aio_waitcomplete() with timeout
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mask signal
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if (ngx_socket_errno == NGX_EINTR)
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look listen
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select()/accept() nb listen sockets
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else
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aio
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}
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/* 3 */
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int ngx_posix_aio_process_events(ngx_log_t *log)
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{
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unmask signal
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/* BUG: AIO signal can be delivered before select() */
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select(listen);
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mask signal
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if (ngx_socket_errno == NGX_EINTR)
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look ready array
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}
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void aio_sig_handler(int signo, siginfo_t *siginfo, void *context)
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{
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push siginfo->si_value.sival_ptr
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}
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