Author: jilles Date: Fri Sep 14 22:05:09 2012 New Revision: 240522 URL: http://svn.freebsd.org/changeset/base/240522
Log: siginfo(3): Document SI_USER and SI_KERNEL signal codes. MFC after: 1 week Modified: head/share/man/man3/siginfo.3 Modified: head/share/man/man3/siginfo.3 ============================================================================== --- head/share/man/man3/siginfo.3 Fri Sep 14 22:00:03 2012 (r240521) +++ head/share/man/man3/siginfo.3 Fri Sep 14 22:05:09 2012 (r240522) @@ -27,7 +27,7 @@ .\" .\" $FreeBSD$ .\" -.Dd December 8, 2005 +.Dd September 14, 2012 .Dt SIGINFO 3 .Os .Sh NAME @@ -195,6 +195,8 @@ signal generated by expiration of a time signal generated by completion of an asynchronous I/O request .It Ta Dv SI_MESGQ Ta signal generated by arrival of a message on an empty message queue +.It Ta Dv SI_KERNEL Ta +signal generated by miscellaneous parts of the kernel .El .Pp In addition, the following signal-specific information is available: @@ -235,6 +237,10 @@ or Finally, the following code-specific information is available: .Bl -column ".Dv SI_QUEUE" ".Va si_overrun" .It Sy "Code Member Value" +.It Dv SI_USER Ta Va si_pid Ta +the process ID that sent the signal +.It Ta Va si_uid Ta +real user ID of the process that sent the signal .It Dv SI_QUEUE Ta Va si_value Ta the value passed to .Xr sigqueue 2 @@ -277,6 +283,14 @@ signal is queued when a process changed .Tn POSIX Realtime Extensions like aio, timer, and message queue also queue signals. +Signals with code +.Dv SI_USER +or +.Dv SI_KERNEL +are only queued if there are sufficient resources; +otherwise, +.Dv SI_NOINFO +results. For some hardware architectures, the exact value of .Va si_addr might not be available. @@ -289,7 +303,8 @@ might not be available. .Xr sigwaitinfo 2 , .Xr timer_create 2 , .Xr timer_settime 2 , -.Xr waitpid 2 +.Xr waitpid 2 , +.Xr pthread_kill 3 .Sh STANDARDS The .Vt siginfo_t @@ -300,6 +315,12 @@ Full support for .Tn POSIX signal information first appeared in .Fx 7.0 . +The codes +.Dv SI_USER +and +.Dv SI_KERNEL +can be generated as of +.Fx 8.1 . .Sh AUTHORS This manual page was written by .An "David Xu" Aq davi...@freebsd.org . _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
