diff options
| -rw-r--r-- | kern/thread.c | 4 | ||||
| -rw-r--r-- | kern/thread.h | 3 |
2 files changed, 6 insertions, 1 deletions
diff --git a/kern/thread.c b/kern/thread.c index 85e557d3..e79ef311 100644 --- a/kern/thread.c +++ b/kern/thread.c @@ -2367,7 +2367,9 @@ thread_create(struct thread **threadp, const struct thread_attr *attr, * The new thread address must be written before the thread is started * in case it's passed to it. */ - *threadp = thread; + if (threadp) { + *threadp = thread; + } thread_wakeup(thread); diff --git a/kern/thread.h b/kern/thread.h index 4bead755..6e696fc7 100644 --- a/kern/thread.h +++ b/kern/thread.h @@ -182,6 +182,9 @@ void thread_ap_setup(void); * Creation attributes must be passed, but some of them may be NULL, in which * case the value is inherited from the caller. The name attribute must not be * NULL. + * + * If successful, and if the caller passed a non-NULL thread pointer, it is + * filled with the address of the newly created thread. */ int thread_create(struct thread **threadp, const struct thread_attr *attr, void (*fn)(void *), void *arg); |