diff options
Diffstat (limited to 'src/kernel/proc.c')
| -rw-r--r-- | src/kernel/proc.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/src/kernel/proc.c b/src/kernel/proc.c index 57b9669..79c4ed7 100644 --- a/src/kernel/proc.c +++ b/src/kernel/proc.c @@ -64,7 +64,13 @@ struct process *process_fork(struct process *parent) { if (child->controlled) child->controlled->potential_handlers++; - child->id = next_pid++; + for (handle_t h = 0; h < HANDLE_MAX; h++) { + if (child->handles[h]) + child->handles[h]->refcount++; + // no overflow check - if you manage to get 2^32 references to a handle you have bigger problems + } + + child->id = next_pid++; return child; } @@ -191,13 +197,14 @@ size_t process_find_multiple(enum process_state target, struct process **buf, si return i; } -handle_t process_find_handle(struct process *proc) { +handle_t process_find_handle(struct process *proc, handle_t start_at) { + // TODO start_at is a bit of a hack handle_t handle; - for (handle = 0; handle < HANDLE_MAX; handle++) { - if (proc->handles[handle].type == HANDLE_EMPTY) + for (handle = start_at; handle < HANDLE_MAX; handle++) { + if (proc->handles[handle] == NULL) break; } - if (handle == HANDLE_MAX) handle = -1; + if (handle >= HANDLE_MAX) handle = -1; return handle; } @@ -293,6 +300,9 @@ void process_kill(struct process *p, int ret) { kprintf("process_kill unexpected state 0x%x\n", p->state); panic_invalid_state(); } + + for (handle_t h = 0; h < HANDLE_MAX; h++) + handle_close(p->handles[h]); process_transition(p, PS_DEAD); p->death_msg = ret; process_try2collect(p); |