I've come up with the following BASIC OpenSSL client from the cli.cpp
example and I am trying to turn it into a multi threaded application with
pthreads. Each thread will open a brand new connection, it will not read
off of the same connection, so it should not be any different. I've added
the th-lock.c library into it before the threads are created and after they
are destroyed, from the limited documentation I've found, that should cover
everything. The only thing I have changed with the basic cli.cpp is that I
am using non-blocking IO through SELECT/FD_ISSET. By doing this I have also
added support for SSL_ERROR_WANT_READ, so that shouldn't be the issue. The
problem I am seeing is within the select/FD_ISSET. My FD_ISSET is failing.
(Enclosed below)
c = select(sockfd+900, &readfds, NULL, NULL, &tv);
if (c < 0) {
perror("SELECT");
fprintf(stderr, "Error with the select\n");
break;
}
if (!FD_ISSET(sockfd, &readfds)) {
perror("Error");
fprintf(stderr,"Error with socket\n");
break;
}
Should I not be using this with OpenSSL and/or pthreads? Are there any
known issues or can anyone shed some light onto the subject for me?
Thanks in advance,
Nick
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