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r2281 merge: always use buffer, if connection is buffered, this fixes OpenSSL "bad write retry" error, when *) nginx passed a single buf greater than our buffer (say 32K) to OpenSSL, *) OpenSSL returns SSL_ERROR_WANT_WRITE, *) after some time nginx has to send a new data, *) so there are at least two bufs nginx does pass them directly to OpenSSL, *) but copies the first buf part to buffer, and sends the buffer to OpenSSL. *) because the data length is lesser than it was in previous SSL_write(): 16K < 32K, OpenSSL returns SSL_R_BAD_WRITE_RETRY.
author Igor Sysoev <igor@sysoev.ru>
date Thu, 20 Nov 2008 17:20:15 +0000
parents 4d9ea73a627a
children d620f497c50f
line wrap: on
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/
/ Copyright (C) Igor Sysoev
/


/  "casa   [%o2] 0x80, %o1, %o0"  and
/  "casxa  [%o2] 0x80, %o1, %o0"  do the following:
/
/       if ([%o2] == %o1) {
/           swap(%o0, [%o2]);
/       } else {
/           %o0 = [%o2];
/       }


/ ngx_atomic_uint_t ngx_casa(ngx_atomic_uint_t set, ngx_atomic_uint_t old,
/      ngx_atomic_t *lock);
/
/ the arguments are passed in the %o0, %o1, %o2
/ the result is returned in the %o0

        .inline ngx_casa,0
        casa    [%o2] 0x80, %o1, %o0
        .end


/ ngx_atomic_uint_t ngx_casxa(ngx_atomic_uint_t set, ngx_atomic_uint_t old,
/      ngx_atomic_t *lock);
/
/ the arguments are passed in the %o0, %o1, %o2
/ the result is returned in the %o0

        .inline ngx_casxa,0
        casxa   [%o2] 0x80, %o1, %o0
        .end