diff options
Diffstat (limited to 'lib/libc/stdlib/exit.c')
| -rw-r--r-- | lib/libc/stdlib/exit.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/libc/stdlib/exit.c b/lib/libc/stdlib/exit.c index a8f6e24..5df19dc 100644 --- a/lib/libc/stdlib/exit.c +++ b/lib/libc/stdlib/exit.c @@ -42,6 +42,15 @@ static char sccsid[] = "@(#)exit.c 8.1 (Berkeley) 6/4/93"; void (*__cleanup)(); /* + * This variable is zero until a process has created a thread. + * It is used to avoid calling locking functions in libc when they + * are not required. By default, libc is intended to be(come) + * thread-safe, but without a (significant) penalty to non-threaded + * processes. + */ +int __isthreaded = 0; + +/* * Exit, flushing stdio buffers if necessary. */ void |
