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Diff for /www/52.html between version 1.5 and 1.6

version 1.5, 2012/09/05 07:13:14

version 1.6, 2012/09/05 07:18:58

Line 77

<li>The most significant change in this release is the replacement of

the user-level uthreads by kernel-level rthreads.

<li>Use PTHREAD_MUTEX_STRICT_NP as default mutex type.

<li>Added pthread spinlock routines.

<li>Added pthread spinlock and barrier routines.

<li>Added <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=pthread_mutex_lock&sektion=3">pthread_mutex_timedlock(3)</a> and <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sem_wait&sektion=3">sem_timedwait(3)</a>.

<li>Added <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=pthread_condattr_init&sektion=3">pthread_condattr_setclock(3)</a>.

<li>Added support for live multi-threaded debugging in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=gdb&sektion=1">gdb(1)</a>.

<li>Improved handling for <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=getrusage&sektion=2">rusage</a> totals and <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=getitimer&sektion=2">interval times</a> in threaded processes.

<li>Changed the RLIMIT_CPU <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=getrlimit&sektion=2">rlimit</a> to count processes instead of threads.

<li>Added a new system limit <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sysctl&sektion=8">kern.maxthread</a> for the max number of threads.

<li>Closed race conditions in thread creation, and in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=fork&sektion=2">fork(2)</a> and <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=open&sektion=2">open(2)</a> in a threaded process.

<li>Improved handling of threaded processes in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ps&sektion=1">ps</a> and <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=fstat&sektion=1">fstat</a>

</ul>

<p>

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<li>Generic network stack improvements:

<ul>

<li>Cleanup handling of sockaddrs in degenerate use cases

<li>Improved handling of error and limit cases in file-descriptor passing.

<li>Improved error handling in socket splicing.

<li>...

</ul>

<p>

Line 150

Line 159

<li>Removed raid(4) RAIDframe driver and the corresponding raidctl(8) utility.

<li>Added posix_spawn(3).

<li>Added mbsnrtowcs(3), and wcsnrtombs(3).

<li>Added getdelim(3) and getline(3).

<li>More configuration variables for sysconf(3) and pathconf(3).

<li>dirfd(3) is a now function instead of a macro.

<li>posix_memalign(3) supports arbitrarily large alignments.

<li>Improved realloc(3) performance.

<li>ld.so(1) recognizes the DF_1_NOOPEN flag and refuses to dlopen(3)

shared objects linked with "-z nodlopen".

<li>Improved compliance and/or cleanliness of header files, particularly

<time.h>, <sys/time.h>, <limits.h>,

<arpa/inet.h>, <netinet/in.h>, and <sys/param.h>.

<li>Improved kernel uvm memory allocator.

<li>Improved support for amd64 boxes with many memory extents.

<li>compat_linux improvements: TLS-vs-clone and futex fixes, added support

for statfs64(), tgkill(), gettid(), SOCK_CLOEXEC, and SOCK_NONBLOCK.

<li>...

</ul>

<p>