----- Original Message ----- From: "Henri Gomez" <[EMAIL PROTECTED]> To: "Tomcat Developers List" <[EMAIL PROTECTED]> Sent: Monday, July 12, 2004 3:07 AM Subject: jk_connect and multi-threading
Hi to all,
I'm looking for a strange problem under iSeries (AS/400) and wonder about this look in jk_open_socket() (jk_connect.c) :
do { jk_log(l, JK_LOG_DEBUG, "jk_open_socket, try to connect socket = %d to %s\n", sock, jk_dump_hinfo(addr, buf));
ret = connect(sock, (struct sockaddr *)addr, sizeof(struct sockaddr_in)); #if defined(WIN32) || (defined(NETWARE) && defined(__NOVELL_LIBC__)) if(SOCKET_ERROR == ret) { errno = WSAGetLastError() - WSABASEERR; } #endif /* WIN32 */ jk_log(l, JK_LOG_DEBUG, "jk_open_socket, after connect ret = %d\n", ret); } while (-1 == ret && EINTR == errno);
What's the status on errno in multi-threaded environnement ?
On older *nix boxes it wasn't safe to use it with threads. Don't know about iSeries. On Solaris it's per-thread (assuming that you've compiled with -D_REENTRANT).
Shouldn't we clear errno before the connect() call ?
It's not supposed to matter.
BTW, I wonder why we check the errno in such case...
Ok, I take a look at IBM errno list and error 3021 is for EINVAL (invalid argument).
I'll investigate this error farther...
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