This bug is reported by karp@eecs.harvard.edu (Brad Karp). In mozilla/nsprpub/pr/src/pthreads/ptthread.c, we have some pthread_attr_setscope() calls ifdef'd with PTHREAD_SCOPE_SYSTEM. On FreeBSD (3.1 and 4.0), the symbol pthread_attr_setscope is unresolved. This is because the pthread.h header on FreeBSD defines the macro PTHREAD_SCOPE_SYSTEM but the function pthread_attr_setscope is not implemented. The pthread_attr_setscope documentation (http://www.opengroup.org/onlinepubs/007908799/xsh/pthread_attr_getscope.html) seems to indicate that the pthreads feature macro we should test to determine whether pthread_attr_setscope is supported is _POSIX_THREAD_PRIORITY_SCHEDULING. I suggest that we change the code to test for _POSIX_THREAD_PRIORITY_SCHEDULING instead of PTHREAD_SCOPE_SYSTEM.

Accepted the bug. Added briano@netscape.com to the cc list.

Confirmed that _POSIX_THREAD_PRIORITY_SCHEDULING is the feature-test macro for pthread_attr_setscope. (See Dave Butenhof's Programming with POSIX Threads, p. 330.) jon@eyrie.org (Jonathan Lennox) also posted this patch in the netscape.public.mozilla.nspr newsgroup. The fix is checked into the tip. /cvsroot/mozilla/nsprpub/pr/src/pthreads/ptthread.c, revision 3.17. Also checked into the internal CVS repository. /m/src/ns/nspr20/pr/src/pthreads/ptthread.c, revision 2.45.

wan-teh, since this is a low level fix, can you please verify it, or tell me how to do it myself?

Marked bug as verified.

NSPR now has its own Bugzilla product. Moving this bug to the NSPR product.