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-rw-r--r--sys/kern/kern_proc.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/sys/kern/kern_proc.c b/sys/kern/kern_proc.c
index 87dcc74..cc26fa1 100644
--- a/sys/kern/kern_proc.c
+++ b/sys/kern/kern_proc.c
@@ -29,8 +29,10 @@
#include <sys/types.h>
#include <sys/proc.h>
+#include <sys/errno.h>
#include <sys/cdefs.h>
#include <sys/vnode.h>
+#include <sys/tree.h>
#include <sys/syscall.h>
#include <sys/filedesc.h>
#include <sys/fcntl.h>
@@ -100,6 +102,32 @@ proc_coredump(struct proc *td, uintptr_t fault_addr)
fd_close(fd);
}
+int
+proc_init(struct proc *td, struct proc *parent)
+{
+ struct mmap_lgdr *mlgdr;
+
+ mlgdr = dynalloc(sizeof(*mlgdr));
+ if (mlgdr == NULL) {
+ return -ENOMEM;
+ }
+
+ /* Add to parent leafq */
+ TAILQ_INSERT_TAIL(&parent->leafq, td, leaf_link);
+ atomic_inc_int(&parent->nleaves);
+ td->parent = parent;
+ td->exit_status = -1;
+ td->cred = parent->cred;
+
+ /* Initialize the mmap ledger */
+ mlgdr->nbytes = 0;
+ RBT_INIT(lgdr_entries, &mlgdr->hd);
+ td->mlgdr = mlgdr;
+ td->flags |= PROC_WAITED;
+ signals_init(td);
+ return 0;
+}
+
scret_t
sys_getpid(struct syscall_args *scargs)
{