diff options
Diffstat (limited to 'common/tcb.c')
| -rw-r--r-- | common/tcb.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/common/tcb.c b/common/tcb.c index 5f0e97b..0a676af 100644 --- a/common/tcb.c +++ b/common/tcb.c @@ -19,6 +19,7 @@ #include <arch/cpu.h> #include <arch/vmem.h> +#include <arch/proc.h> /* arguably exessively many globals... */ /** Thread ID to start looking from when allocating new ID. */ @@ -63,7 +64,7 @@ static id_t __alloc_tid(struct tcb *t) { /** \todo this would need some locking or something... */ for (size_t i = start_tid; i < num_tids; ++i) { - if (tcbs[i]) + if (tcbs[i] || i == 0) continue; tcbs[i] = t; @@ -158,6 +159,7 @@ struct tcb *create_thread(struct tcb *p) init_uvmem(t, UVMEM_START, UVMEM_END); t->proc.vmem = create_vmem(); t->pid = t->tid; + t->rid = t->tid; p = t; } @@ -172,13 +174,20 @@ struct tcb *create_thread(struct tcb *p) /** * Copy process. * - * @param n New process. * @param p Parent process. + * @param n New process. * @return \ref OK. */ -static stat_t __copy_proc(struct tcb *n, struct tcb *p) +static stat_t __copy_proc(struct tcb *p, struct tcb *n) { - /* execution continuation? */ + /** @todo setup rpc stack stuff */ + /** @todo I think keeping track of userspace stack stuff is unnecessary, + * unless we want unlimited stack size but that sounds dumb. Anycase, we + * need to duplicate stack info, whatever we do. */ + /** @todo should there be in-kernel child tracking? */ + n->exec = p->exec; + clone_regs(n, p); + copy_caps(n->caps, p->caps); return clone_mem_regions(n, p); } @@ -191,7 +200,7 @@ struct tcb *create_proc(struct tcb *p) if (!n) return 0; - if (likely(p)) + if (p) __copy_proc(p, n); /* we have a parent thread */ return n; |