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* MFC r264133: Fix variable type to avoid printf formatter warning.jmmv2014-04-171-1/+1
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* MFC refactoring of the *.test.mk files.jmmv2014-04-141-1/+1
| | | | | | | | | - r263161 Make bsd.test.mk the only public mk fragment for the building of tests. - r263172 Move FreeBSD Test Suite-specific code to a suite.test.mk file. - r263204 Add some documentation for bsd.test.mk. - r263217 Document support for TAP-compliant Perl test programs. This is "make tinderbox" clean.
* MFC r263116asomers2014-04-031-17/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Replace 4.4BSD Lite's unix domain socket backpressure hack with a cleaner mechanism, based on the new SB_STOP sockbuf flag. The old hack dynamically changed the sending sockbuf's high water mark whenever adding or removing data from the receiving sockbuf. It worked for stream sockets, but it never worked for SOCK_SEQPACKET sockets because of their atomic nature. If the sockbuf was partially full, it might return EMSGSIZE instead of blocking. The new solution is based on DragonFlyBSD's fix from commit 3a6117bbe0ed6a87605c1e43e12a1438d8844380 on 2008-05-27. It adds an SB_STOP flag to sockbufs. Whenever uipc_send surpasses the socket's size limit, it sets SB_STOP on the sending sockbuf. sbspace() will then return 0 for that sockbuf, causing sosend_generic and friends to block. uipc_rcvd will likewise clear SB_STOP. There are two fringe benefits: uipc_{send,rcvd} no longer need to call chgsbsize() on every send and receive because they don't change the sockbuf's high water mark. Also, uipc_sense no longer needs to acquire the UIPC linkage lock, because it's simpler to compute the st_blksizes. There is one drawback: since sbspace() will only ever return 0 or the maximum, sosend_generic will allow the sockbuf to exceed its nominal maximum size by at most one packet of size less than the max. I don't think that's a serious problem. In fact, I'm not even positive that FreeBSD guarantees a socket will always stay within its nominal size limit. sys/sys/sockbuf.h Add the SB_STOP flag and adjust sbspace() sys/sys/unpcb.h Delete the obsolete unp_cc and unp_mbcnt fields from struct unpcb. sys/kern/uipc_usrreq.c Adjust uipc_rcvd, uipc_send, and uipc_sense to use the SB_STOP backpressure mechanism. Removing obsolete unpcb fields from db_show_unpcb. tests/sys/kern/unix_seqpacket_test.c Clear expected failures from ATF.
* MFC r262867asomers2014-03-271-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix PR kern/185813 "SOCK_SEQPACKET AF_UNIX sockets with asymmetrical buffers drop packets". It was caused by a check for the space available in a sockbuf, but it was checking the wrong sockbuf. sys/sys/sockbuf.h sys/kern/uipc_sockbuf.c Add sbappendaddr_nospacecheck_locked(), which is just like sbappendaddr_locked but doesn't validate the receiving socket's space. Factor out common code into sbappendaddr_locked_internal(). We shouldn't simply make sbappendaddr_locked check the space and then call sbappendaddr_nospacecheck_locked, because that would cause the O(n) function m_length to be called twice. sys/kern/uipc_usrreq.c Use sbappendaddr_nospacecheck_locked for SOCK_SEQPACKET sockets, because the receiving sockbuf's size limit is irrelevant. tests/sys/kern/unix_seqpacket_test.c Now that 185813 is fixed, pipe_128k_8k fails intermittently due to 185812. Make it fail every time by adding a usleep after starting the writer thread and before starting the reader thread in test_pipe. That gives the writer time to fill up its send buffer. Also, clear the expected failure message due to 185813. It actually said "185812", but that was a typo. PR: kern/185813
* MFC r262868asomers2014-03-212-35/+32
| | | | | | | | | | | | Only use -lpthread for unix_seqpacket_test, not for all test programs. MFC r262894 kern/Makefile Set WARNS=5 for all files in this directory kern/unix_seqpacket_test.c Fix compiler warnings. Most were benign, but rcvbuf_oversized wasn't working as intended because I forgot to set the buffer sizes.
* MFC r262133asomers2014-03-061-1/+1
| | | | | | test_eagain_*_* should've been using nonblocking sockets instead of blocking sockets. The error was not exposed as long as the kernel suffered from PR kern/185812. Now corrected, these tests pass on DragonFlyBSD 3.6.0.
* Install a symlink from /usr/tests/local to /usr/local/tests.jmmv2014-03-061-0/+4
| | | | This is a MFC of r261959 and r261978.
* MFC r261081, r261133, and r261615asomers2014-02-134-1/+1140
| | | | | | | | | | | | | | | | | | | | r261081 Replace the old unix_seqpacket and unix_seqpacket_exercise tests, which were a little broken and not automatable, with unix_seqpacket_test. It's coverage is a superset of the old tests and it uses ATF. It includes test cases for bugs kern/185813 and kern/185812. r261133 Fix the Makefiles so that the tests I submitted in r261081 will actually get built. r261615 tests/sys/Makefile use TESTS_SUBDIRS for kern instead of SUBDIRS. I don't think it makes a difference in this case, but TESTS_SUBDIRS is generally correct for subdirectories that contain tests.
* Set up the /usr/tests hierarchy.jmmv2013-12-284-0/+130
This is a MFC of the following into stable/10: - r257097 Set up the /usr/tests hierarchy. - r257098 Add missing WITHOUTTESTS file. - r257100 Add a tests(7) manual page. - r257105 Disable WITHTESTS= for now. - r257848 Fix buildworld when WITHTESTS is enabled. - r257850 Subsume the functionality of MKATF into MKTESTS. - r257851 Handle the removal of the test suite when WITHOUTTESTS=yes. - r257852 Install category Kyuafiles from their category directories. - r258232 Install BSD.tests.mtree when MKTESTS is yes. Note that building with WITH_TESTS is still broken at this point (and hence why WITHOUT_TESTS is the set as the default). Subsequent pullups will fix the remaining issues.
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