mirror of https://github.com/moparisthebest/curl
Added non-blocking sockets test
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2a07626aa8
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104
acinclude.m4
104
acinclude.m4
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@ -1,3 +1,107 @@
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dnl Check for how to set a socket to non-blocking state. There seems to exist
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dnl four known different ways, with the one used almost everywhere being POSIX
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dnl and XPG3, while the other different ways for different systems (old BSD,
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dnl Windows and Amiga).
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dnl
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dnl There are two known platforms (AIX 3.x and SunOS 4.1.x) where the
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dnl O_NONBLOCK define is found but does not work. This condition is attempted
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dnl to get caught in this script by using an excessive number of #ifdefs...
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dnl
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AC_DEFUN(CURL_CHECK_NONBLOCKING_SOCKET,
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[
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AC_MSG_CHECKING([non-blocking sockets style])
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AC_TRY_COMPILE([
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/* headers for O_NONBLOCK test */
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#include <sys/types.h>
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#include <unistd.h>
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#include <fcntl.h>
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],[
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/* try to compile O_NONBLOCK */
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#if defined(sun) || defined(__sun__) || defined(__SUNPRO_C) || defined(__SUNPRO_CC)
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# if defined(__SVR4) || defined(__srv4__)
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# define PLATFORM_SOLARIS
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# else
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# define PLATFORM_SUNOS4
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# endif
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#endif
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#if (defined(_AIX) || defined(__xlC__)) && !defined(_AIX4)
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# define PLATFORM_AIX_V3
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#endif
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#if defined(PLATFORM_SUNOS4) || defined(PLATFORM_AIX_V3)
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#error "O_NONBLOCK does not work on this platform"
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#endif
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int socket;
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int flags = fcntl(socket, F_SETFL, flags | O_NONBLOCK);
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],[
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dnl the O_NONBLOCK test was fine
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nonblock="O_NONBLOCK"
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AC_DEFINE(HAVE_O_NONBLOCK)
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],[
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dnl the code was bad, try a different program now, test 2
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AC_TRY_COMPILE([
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/* headers for FIONBIO test */
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#include <unistd.h>
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#include <stropts.h>
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],[
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/* FIONBIO source test */
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int flags = ioctl(socket, FIONBIO, &flags);
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],[
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dnl FIONBIO test was good
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nonblock="FIONBIO"
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AC_DEFINE(HAVE_FIONBIO)
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],[
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dnl FIONBIO test was also bad
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dnl the code was bad, try a different program now, test 3
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AC_TRY_COMPILE([
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/* headers for ioctlsocket test (cygwin?) */
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#include <windows.h>
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],[
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/* ioctlsocket source code */
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int flags = ioctlsocket(socket, FIONBIO, &flags);
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],[
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dnl ioctlsocket test was good
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nonblock="ioctlsocket"
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AC_DEFINE(HAVE_IOCTLSOCKET)
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],[
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dnl ioctlsocket didnt compile!
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AC_TRY_COMPILE([
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/* headers for IoctlSocket test (Amiga?) */
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#include <sys/ioctl.h>
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],[
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/* IoctlSocket source code */
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int flags = IoctlSocket(socket, FIONBIO, (long)1);
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],[
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dnl ioctlsocket test was good
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nonblock="IoctlSocket"
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AC_DEFINE(HAVE_IOCTLSOCKET_CASE)
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],[
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dnl ioctlsocket didnt compile!
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nonblock="nada"
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AC_DEFINE(HAVE_DISABLED_NONBLOCKING)
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])
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dnl end of forth test
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])
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dnl end of third test
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])
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dnl end of second test
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])
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dnl end of non-blocking try-compile test
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AC_MSG_RESULT($nonblock)
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if test "$nonblock" = "nada"; then
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AC_MSG_WARN([non-block sockets disabled])
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fi
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])
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dnl Check for socklen_t: historically on BSD it is an int, and in
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dnl Check for socklen_t: historically on BSD it is an int, and in
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dnl POSIX 1g it is a type of its own, but some platforms use different
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dnl POSIX 1g it is a type of its own, but some platforms use different
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dnl types for the argument to getsockopt, getpeername, etc. So we
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dnl types for the argument to getsockopt, getpeername, etc. So we
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18
configure.in
18
configure.in
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@ -158,6 +158,24 @@ AC_CHECK_FUNC(gethostname, , AC_CHECK_LIB(ucb, gethostname))
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dnl dl lib?
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dnl dl lib?
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AC_CHECK_FUNC(dlclose, , AC_CHECK_LIB(dl, dlopen))
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AC_CHECK_FUNC(dlclose, , AC_CHECK_LIB(dl, dlopen))
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dnl **********************************************************************
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dnl Check how non-blocking sockets are set
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dnl **********************************************************************
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AC_ARG_ENABLE(nonblocking,
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[ --enable-nonblocking Makes the script detect how to do it
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--disable-nonblocking Makes the script disable non-blocking sockets],
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[
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if test "$enableval" = "no" ; then
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AC_MSG_WARN([non-blocking sockets disabled])
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AC_DEFINE(HAVE_DISABLED_NONBLOCKING)
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else
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CURL_CHECK_NONBLOCKING_SOCKET
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fi
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],
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[
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CURL_CHECK_NONBLOCKING_SOCKET
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])
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dnl **********************************************************************
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dnl **********************************************************************
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dnl Check for the random seed preferences
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dnl Check for the random seed preferences
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dnl **********************************************************************
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dnl **********************************************************************
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