diff options
Diffstat (limited to 'src/tcb.c')
| -rw-r--r-- | src/tcb.c | 8 |
1 files changed, 7 insertions, 1 deletions
@@ -74,7 +74,7 @@ static id_t __alloc_tid(struct tcb *t) if (i == stop_tid) return ERR_NF; - if (get_tcb(i) || i == 0) + if (tcbs[i & (num_tids - 1)] || i == 0) continue; tcbs[i & (num_tids - 1)] = t; @@ -210,6 +210,11 @@ static stat_t __destroy_thread_data(struct tcb *t) destroy_vmem(t->rpc.vmem); /* remove ourselves from the thread pool */ + /** @todo this should be at the top of the function, and be wrapped in + * some kind of lock that checks that nobody reads the value while we're + * setting it to zero. get_tcb() should accordingly increment the + * reference count atomically. Also, an unget_tcb() is needed to + * decrement the reference count I guess? */ tcbs[t->tid] = 0; /* forcefully free last struggling bits of memory */ @@ -228,6 +233,7 @@ stat_t destroy_thread(struct tcb *t) hard_assert(!is_proc(t), ERR_INVAL); /* mark us as zombies */ + set_bits(t->state, TCB_ZOMBIE); t->rid = 0; /* remove reference to root process */ |