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Cleaned up all compile errors.

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This commit is contained in:
Bahadir Balban
2008-08-25 16:59:00 +03:00
parent cdfaa4bbe9
commit 476bac5142
19 changed files with 99 additions and 80 deletions
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40
tasks/mm0/src/clone.c
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@@ -6,7 +6,12 @@
#include <syscalls.h>
#include <vm_area.h>
#include <task.h>
#include <mmap.h>
#include <l4lib/arch/syslib.h>
#include <l4lib/ipcdefs.h>
#include <l4/api/thread.h>
#include <utcb.h>
#include <shm.h>
/*
* Copy all vmas from the given task and populate each with
@@ -16,10 +21,10 @@
*/
int copy_vmas(struct tcb *to, struct tcb *from)
{
struct vm_area *vma, new_vma;
struct vm_area *vma, *new_vma;
struct vm_obj_link *vmo_link, *new_link;
list_for_each_entry(vma, from->vm_area_list, list) {
list_for_each_entry(vma, &from->vm_area_list, list) {
/* Create a new vma */
new_vma = vma_new(vma->pfn_start, vma->pfn_end - vma->pfn_start,
@@ -44,7 +49,7 @@ int copy_vmas(struct tcb *to, struct tcb *from)
&vma->vm_obj_list)));
/* All link copying is finished, now add the new vma to task */
list_add_tail(&vma_new->list, &to->vm_area_list);
list_add_tail(&new_vma->list, &to->vm_area_list);
}
return 0;
@@ -78,16 +83,16 @@ int copy_tcb(struct tcb *to, struct tcb *from)
/* Copy all file descriptors */
memcpy(to->fd, from->fd,
TASK_FILES_MAX * sizeof(struct file_descriptor));
return 0;
}
/*
* Sends vfs task information about forked child, and its utcb
*/
void vfs_notify_fork(struct tcb *child, struct tcb *parent)
int vfs_notify_fork(struct tcb *child, struct tcb *parent)
{
int err;
struct task_data_head *tdata_head;
struct tcb *vfs;
printf("%s/%s\n", __TASKNAME__, __FUNCTION__);
@@ -96,7 +101,7 @@ void vfs_notify_fork(struct tcb *child, struct tcb *parent)
/* Write parent and child information */
write_mr(L4SYS_ARG0, parent->tid);
write_mr(L4SYS_ARG1, child->tid);
write_mr(L4SYS_ARG2, child->utcb);
write_mr(L4SYS_ARG2, (unsigned int)child->utcb);
if ((err = l4_sendrecv(VFS_TID, VFS_TID,
L4_IPC_TAG_NOTIFY_FORK)) < 0) {
@@ -118,6 +123,7 @@ void vfs_notify_fork(struct tcb *child, struct tcb *parent)
int do_fork(struct tcb *parent)
{
struct tcb *child;
struct vm_file *utcb_shm;
struct task_ids ids = {
.tid = TASK_ID_INVALID,
.spid = parent->spid,
@@ -130,7 +136,7 @@ int do_fork(struct tcb *parent)
* Create a new L4 thread with parent's page tables
* kernel stack and kernel-side tcb copied
*/
child = task_create(&ids, THREAD_CREATE_COPYSPACE);
child = task_create(&ids, THREAD_CREATE_COPYSPC);
/* Copy parent tcb to child */
copy_tcb(child, parent);
@@ -142,9 +148,9 @@ int do_fork(struct tcb *parent)
* Create the utcb shared memory segment
* available for child to shmat()
*/
if (IS_ERR(shm = shm_new((key_t)child->utcb,
__pfn(DEFAULT_UTCB_SIZE)))) {
l4_ipc_return((int)shm);
if (IS_ERR(utcb_shm = shm_new((key_t)child->utcb,
__pfn(DEFAULT_UTCB_SIZE)))) {
l4_ipc_return((int)utcb_shm);
return 0;
}
/* FIXME: We should munmap() parent's utcb page from child */
@@ -153,7 +159,7 @@ int do_fork(struct tcb *parent)
vfs_notify_fork(child, parent);
/* Start forked child. */
l4_thread_control(THREAD_RUN, ids);
l4_thread_control(THREAD_RUN, &ids);
/* Return back to parent */
l4_ipc_return(child->tid);
@@ -161,3 +167,11 @@ int do_fork(struct tcb *parent)
return 0;
}
int sys_fork(l4id_t sender)
{
struct tcb *parent;
BUG_ON(!(parent = find_task(sender)));
return do_fork(parent);
}