src/lib/libthr, branch release/9.3.0

MFC 250691:

2014-02-19T15:00:55Z

Return one-based key so that user can check if the key is ever allocated in the first place.

MFC r261354:

2014-02-08T15:51:42Z

In _pthread_kill(), if passed pthread is current thread, do not send the signal second time, by adding the missed else before if statement. PR: threads/186309

MFC r258499:

2013-11-30T14:39:56Z

Fix for the spurious signal handler call with zero signo in the threaded process.

MFC r239347, 240295, 240296 and 253325:

2013-08-16T06:40:12Z

r239347 | davidxu | 2012-08-17 10:26:31 +0800 (Fri, 17 Aug 2012) | 7 lines Implement syscall clock_getcpuclockid2, so we can get a clock id for process, thread or others we want to support. Use the syscall to implement POSIX API clock_getcpuclock and pthread_getcpuclockid. PR: 168417 ------------------------------------------------------------------------ r240295 | davidxu | 2012-09-10 13:00:29 +0800 (Mon, 10 Sep 2012) | 2 lines Add missing prototype for clock_getcpuclockid. ------------------------------------------------------------------------ r240296 | davidxu | 2012-09-10 13:09:39 +0800 (Mon, 10 Sep 2012) | 2 lines Process CPU-Time Clocks option is supported, define _POSIX_CPUTIME. ------------------------------------------------------------------------ r253325 | kib | 2013-07-14 03:32:50 +0800 (Sun, 14 Jul 2013) | 6 lines Allow to call clock_gettime() on the clock id for zombie process. Reported by: Petr Salinger PR: threads/180496 Sponsored by: The FreeBSD Foundation

MFC r251985:

2013-06-26T05:49:29Z

When enabling the cancellation, only process the pending cancellation for asynchronous mode.

MFC r251284:

2013-06-17T07:12:34Z

Unify the code of check_deferred_signal() for all architectures.

MFC r250013 (by davidxu):

2013-06-17T07:11:17Z

Remove extra code for SA_RESETHAND, it is not needed because kernel has already done this. Approved by: davidxu

MFC r251047:

2013-06-04T05:07:03Z

Avoid a nested frame for getcontext() call in check_deferred_signal().

MFC r251040:

2013-06-03T04:58:12Z

Partially apply the capitalization of the heading word of the sequence and fix typo.

Merge r238637,r238640,r238641,r238642:

2012-07-23T09:33:31Z

------------------------------------------------------------------------ r238637 | davidxu | 2012-07-20 09:56:14 +0800 (Fri, 20 Jul 2012) | 6 lines Don't forget to release a thread reference count, replace _thr_ref_add() with _thr_find_thread(), so reference count is no longer needed. ------------------------------------------------------------------------ r238640 | davidxu | 2012-07-20 11:00:41 +0800 (Fri, 20 Jul 2012) | 2 lines Eliminate duplicated code. ------------------------------------------------------------------------ r238641 | davidxu | 2012-07-20 11:16:52 +0800 (Fri, 20 Jul 2012) | 2 lines Eliminate duplicated code. ------------------------------------------------------------------------ r238642 | davidxu | 2012-07-20 11:22:17 +0800 (Fri, 20 Jul 2012) | 2 lines Don't assign same value. Approved by: re (kib)