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author | davidxu <davidxu@FreeBSD.org> | 2003-03-11 03:16:02 +0000 |
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committer | davidxu <davidxu@FreeBSD.org> | 2003-03-11 03:16:02 +0000 |
commit | f453b04b6d6e7e24e9f5bbee5c2668436f035db7 (patch) | |
tree | 451c771a435db759f3b7546816429a18e7ce3769 /sys/kern/kern_thread.c | |
parent | b47a4be33ec42eb423369b77f6da7b572b07edb4 (diff) | |
download | FreeBSD-src-f453b04b6d6e7e24e9f5bbee5c2668436f035db7.zip FreeBSD-src-f453b04b6d6e7e24e9f5bbee5c2668436f035db7.tar.gz |
Lock proc lock before changing p_flag.
Diffstat (limited to 'sys/kern/kern_thread.c')
-rw-r--r-- | sys/kern/kern_thread.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/kern/kern_thread.c b/sys/kern/kern_thread.c index 2356372..5a5a96f 100644 --- a/sys/kern/kern_thread.c +++ b/sys/kern/kern_thread.c @@ -610,7 +610,9 @@ kse_create(struct thread *td, struct kse_create_args *uap) ncpus = virtual_cpu; /* Easier to just set it than to test and set */ + PROC_LOCK(p); p->p_flag |= P_THREADED; + PROC_UNLOCK(p); kg = td->td_ksegrp; if (uap->newgroup) { /* Have race condition but it is cheap */ |