src-test2/lib/librt/timer.c, branch release/8.2.0_cvs FreeBSD source tree https://cgit-dev.freebsd.org/src-test2/atom?h=release%2F8.2.0_cvs 2011-02-16T16:18:46Z Copy releng/8.2 to release/8.2.0 for 8.2-RELEASE. 2011-02-16T16:18:46Z Ken Smith kensmith@FreeBSD.org 2011-02-16T16:18:46Z urn:sha1:dec99dafe5763ba1db6950342aa80a634169c083 Approved by: re (implicit) This commit was manufactured to restore the state of the 8.2-RELEASE image. Set SNF_SYNC flag for timer, as the timer notification should be 2006-03-08T00:34:54Z David Xu davidxu@FreeBSD.org 2006-03-08T00:34:54Z urn:sha1:37fe71649583f17feacb378126ed01d9848e604e serialized. 1. Always call user callback function in newly created thread, it seems 2006-03-07T08:28:07Z David Xu davidxu@FreeBSD.org 2006-03-07T08:28:07Z urn:sha1:c5a4f4eff221803d51d7ac37885386b87dcc2426 POSIX implies that the user callback function must be executed in clean environment. 2. Use newly introduced pthread stubs in libc. Use a thread pool to process notification if sigev_notify_attributes 2006-03-04T00:18:19Z David Xu davidxu@FreeBSD.org 2006-03-04T00:18:19Z urn:sha1:6348ace8d1bb8eed2b32c63c66169cdbbe1368c6 is default and caller does not require dedicated thread. timer needs a dedicated thread to maintain overrun count correctly in notification context. mqueue and aio can use thread pool to do notification concurrently, the thread pool has lifecycle control, some threads will exit if they have idled for a while. save sigev_node pointer. 2006-03-04T00:08:24Z David Xu davidxu@FreeBSD.org 2006-03-04T00:08:24Z urn:sha1:c402cadc1c8907d3019b1afcf35b739387199e17 Bring in my initial version of POSIX realtime extension library. 2006-03-01T06:37:34Z David Xu davidxu@FreeBSD.org 2006-03-01T06:37:34Z urn:sha1:4acaec8fc369aa259921e7a4b0b05dbc1c3491ae Current the library implements mqueue, timer and aio with SIGEV_THREAD notification supported. Earlier version reviewed by: deischen