2010/6/3 Václav Haisman <v.hais...@sh.cvut.cz>: > Kostik Belousov wrote, On 3.6.2010 17:19: >> On Thu, Jun 03, 2010 at 09:44:52AM -0500, Dan Nelson wrote: >>> In the last episode (Jun 03), V??clav Haisman said: >>>> is it possible to obtain some sort of a thread ID that identifies a thread >>>> within a process other than pthread_self()? Something like gettid() on >>>> Linux? Apparently, on FreeBSD the pthread_t is a pointer type and does >>>> not identify the thread well enough. GDB on FreeBSD seems to know about >>>> threads and does not seem to use the same ID as is pthread_t. >>> >>> The return value of pthread_self() is a pointer to the (private) "struct >>> pthread" for the current thread, and should uniquely identify a thread. Do >>> you have a testcase that shows otherwise? GDB might just enumerate the >>> currently active threads starting from 1. >> >> There is thr_self(2) undocumented syscall: >> int thr_self(long *id); > Thanks, I'll try it. Is the returned ID the LWP ID that GDB shows? >
thr_self() does its work as well as ddb and procstat do: using td->td_tid. -- wbr, pluknet _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "freebsd-hackers-unsubscr...@freebsd.org"
