src/lib/libc/stdlib/exit.c, branch release/3.3.0_cvs FreeBSD source tree Reference an external variable in threaded programs so that the 1998-04-29T09:08:43+00:00 John Birrell jb@FreeBSD.org 1998-04-29T09:08:43+00:00 96c76d66dbe7eb660f3d27ca616d2f9d91dbaae6 autoinitialiser gets linked in and therefore called before main(). 
autoinitialiser gets linked in and therefore called before main().
Add a global variable called __isthreaded that can be tested throughout 1998-04-11T07:02:58+00:00 John Birrell jb@FreeBSD.org 1998-04-11T07:02:58+00:00 f901bc279504ec16aef08a9765345d75fc68d1a1 libc to determine if locking is required. This is needed in libc for use with kernel threads, but until a thread is created, we don't really want to bother locking things. The variable was added here because the crt code calls exit(main()) so all programs will get the variable. 
libc to determine if locking is required. This is needed in libc
for use with kernel threads, but until a thread is created, we don't
really want to bother locking things. The variable was added here
because the crt code calls exit(main()) so all programs will get the
variable.
BSD 4.4 Lite Lib Sources 1994-05-27T05:00:24+00:00 Rodney W. Grimes rgrimes@FreeBSD.org 1994-05-27T05:00:24+00:00 58f0484fa251c266ede97b591b499fe3dd4f578e