On Friday, May 03, 2013 5:11:57 pm John Baldwin wrote: > Author: jhb > Date: Fri May 3 21:11:57 2013 > New Revision: 250223 > URL: http://svnweb.freebsd.org/changeset/base/250223 > > Log: > Similar to 233760 and 236717, export some more useful info about the > kernel-based POSIX semaphore descriptors to userland via procstat(1) and > fstat(1): > - Change sem file descriptors to track the pathname they are associated > with and add a ksem_info() method to copy the path out to a > caller-supplied buffer. > - Use the fo_stat() method of shared memory objects and ksem_info() to > export the path, mode, and value of a semaphore via struct kinfo_file. > - Add a struct semstat to the libprocstat(3) interface along with a > procstat_get_sem_info() to export the mode and value of a semaphore. > - Teach fstat about semaphores and to display their path, mode, and value. > > MFC after: 2 weeks
I do realize that the POSIX semaphore API only uses these descriptors for 8.x and earlier, but this is still useful info if you are using 8.x (where I will MFC this), or if you are using an 8.x world or chroot with a newer kernel. -- John Baldwin _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
