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--- a/hurd/process.defs
+++ b/hurd/process.defs
@@ -373,7 +373,11 @@ routine proc_getnports (
/*** Routines related to early server bootstrapping ***/
-skip; /* Reserved for proc_set_init_task */
+/* Set the task of process HURD_PID_INIT. Only the startup process
+ HURD_PID_STARTUP may use this interface. */
+routine proc_set_init_task (
+ process: process_t;
+ task: task_t);
/* Inform the process server that the process is important. */
routine proc_mark_important (
--- a/hurd/process_request.defs
+++ b/hurd/process_request.defs
@@ -374,7 +374,10 @@ simpleroutine proc_getnports_request (
/*** Routines related to early server bootstrapping ***/
-skip; /* Reserved for proc_set_init_task */
+simpleroutine proc_set_init_task_request (
+ process: process_t;
+ ureplyport reply: reply_port_t;
+ task: task_t);
/* Inform the process server that the process is important. */
simpleroutine proc_mark_important_request (
--- a/include/pids.h
+++ b/include/pids.h
@@ -22,8 +22,9 @@
#ifndef _HURD_PROCESSES_H
#define _HURD_PROCESSES_H
-#define HURD_PID_STARTUP 1
-#define HURD_PID_KERNEL 2
-#define HURD_PID_PROC 3
+#define HURD_PID_INIT 1
+#define HURD_PID_STARTUP 2
+#define HURD_PID_KERNEL 3
+#define HURD_PID_PROC 4
#endif /* _HURD_PROCESSES_H */
--- a/init/init.c
+++ b/init/init.c
@@ -1089,7 +1089,7 @@ start_child (const char *prog, char **pr
NULL, 0, /* OSF Mach */
#endif
0, &child_task);
- proc_child (procserver, child_task);
+ proc_set_init_task (procserver, child_task);
proc_task2pid (procserver, child_task, &child_pid);
proc_task2proc (procserver, child_task, &default_ports[INIT_PORT_PROC]);
--- a/proc/main.c
+++ b/proc/main.c
@@ -1,5 +1,5 @@
/* Initialization of the proc server
- Copyright (C) 1993,94,95,96,97,99,2000,01 Free Software Foundation, Inc.
+ Copyright (C) 1993,94,95,96,97,99,2000,01,13 Free Software Foundation, Inc.
This file is part of the GNU Hurd.
@@ -88,7 +88,12 @@ main (int argc, char **argv, char **envp
generic_port = ports_get_right (genport);
/* Create the initial proc object for init (PID 1). */
- startup_proc = create_startup_proc ();
+ init_proc = create_init_proc ();
+
+ /* Create the startup proc object for /hurd/init (PID 2). */
+ startup_proc = allocate_proc (MACH_PORT_NULL);
+ startup_proc->p_deadmsg = 1;
+ complete_proc (startup_proc, HURD_PID_STARTUP);
/* Create our own proc object. */
self_proc = allocate_proc (mach_task_self ());
--- a/proc/mgt.c
+++ b/proc/mgt.c
@@ -1,5 +1,6 @@
/* Process management
- Copyright (C) 1992,93,94,95,96,99,2000,01,02 Free Software Foundation, Inc.
+ Copyright (C) 1992,93,94,95,96,99,2000,01,02,13
+ Free Software Foundation, Inc.
This file is part of the GNU Hurd.
@@ -184,7 +185,7 @@ S_proc_child (struct proc *parentp,
/* Process hierarchy. Remove from our current location
and place us under our new parent. Sanity check to make sure
parent is currently init. */
- assert (childp->p_parent == startup_proc);
+ assert (childp->p_parent == init_proc);
if (childp->p_sib)
childp->p_sib->p_prevsib = childp->p_prevsib;
*childp->p_prevsib = childp->p_sib;
@@ -587,7 +588,7 @@ allocate_proc (task_t task)
/* Allocate and initialize the proc structure for init (PID 1),
the original parent of all other procs. */
struct proc *
-create_startup_proc (void)
+create_init_proc (void)
{
static const uid_t zero;
struct proc *p;
@@ -596,7 +597,7 @@ create_startup_proc (void)
p = allocate_proc (MACH_PORT_NULL);
assert (p);
- p->p_pid = HURD_PID_STARTUP;
+ p->p_pid = HURD_PID_INIT;
p->p_parent = p;
p->p_sib = 0;
@@ -644,7 +645,7 @@ proc_death_notify (struct proc *p)
}
/* Complete a new process that has been allocated but not entirely initialized.
- This gets called for every process except startup_proc (PID 1). */
+ This gets called for every process except init_proc (PID 1). */
void
complete_proc (struct proc *p, pid_t pid)
{
@@ -667,30 +668,47 @@ complete_proc (struct proc *p, pid_t pid
snprintf (name, sizeof name, "with pid %i", pid);
task_set_name (p->p_task, name);
- ids_ref (&nullids);
- p->p_id = &nullids;
+ if (pid == HURD_PID_STARTUP)
+ {
+ /* Equip HURD_PID_STARTUP with the same credentials as
+ HURD_PID_INIT. */
+ static const uid_t zero;
+ p->p_id = make_ids (&zero, 1);
+ assert (p->p_id);
+ }
+ else
+ {
+ ids_ref (&nullids);
+ p->p_id = &nullids;
+ }
p->p_login = nulllogin;
p->p_login->l_refcnt++;
/* Our parent is init for now. */
- p->p_parent = startup_proc;
+ p->p_parent = init_proc;
- p->p_sib = startup_proc->p_ochild;
- p->p_prevsib = &startup_proc->p_ochild;
+ p->p_sib = init_proc->p_ochild;
+ p->p_prevsib = &init_proc->p_ochild;
if (p->p_sib)
p->p_sib->p_prevsib = &p->p_sib;
- startup_proc->p_ochild = p;
+ init_proc->p_ochild = p;
p->p_loginleader = 0;
p->p_ochild = 0;
p->p_parentset = 0;
p->p_noowner = 1;
- p->p_pgrp = startup_proc->p_pgrp;
+ p->p_pgrp = init_proc->p_pgrp;
- proc_death_notify (p);
- add_proc_to_hash (p);
+ /* At this point, we do not know the task of the startup process,
+ defer registering death notifications and adding it to the hash
+ tables. */
+ if (pid != HURD_PID_STARTUP)
+ {
+ proc_death_notify (p);
+ add_proc_to_hash (p);
+ }
join_pgrp (p);
}
@@ -752,7 +770,7 @@ process_has_exited (struct proc *p)
nowait_msg_proc_newids (tp->p_msgport, tp->p_task,
1, tp->p_pgrp->pg_pgid,
!tp->p_pgrp->pg_orphcnt);
- tp->p_parent = startup_proc;
+ tp->p_parent = init_proc;
if (tp->p_dead)
isdead = 1;
}
@@ -760,17 +778,17 @@ process_has_exited (struct proc *p)
nowait_msg_proc_newids (tp->p_msgport, tp->p_task,
1, tp->p_pgrp->pg_pgid,
!tp->p_pgrp->pg_orphcnt);
- tp->p_parent = startup_proc;
+ tp->p_parent = init_proc;
/* And now append the lists. */
- tp->p_sib = startup_proc->p_ochild;
+ tp->p_sib = init_proc->p_ochild;
if (tp->p_sib)
tp->p_sib->p_prevsib = &tp->p_sib;
- startup_proc->p_ochild = p->p_ochild;
- p->p_ochild->p_prevsib = &startup_proc->p_ochild;
+ init_proc->p_ochild = p->p_ochild;
+ p->p_ochild->p_prevsib = &init_proc->p_ochild;
if (isdead)
- alert_parent (startup_proc);
+ alert_parent (init_proc);
}
/* If an operation is in progress for this process, cause it
@@ -950,3 +968,21 @@ S_proc_get_code (struct proc *callerp,
return 0;
}
+
+/* Implement proc_set_init_task as described in <hurd/process.defs>. */
+error_t
+S_proc_set_init_task(struct proc *callerp,
+ task_t task)
+{
+ if (! callerp)
+ return EOPNOTSUPP;
+
+ if (callerp != startup_proc)
+ return EPERM;
+
+ init_proc->p_task = task;
+ proc_death_notify (init_proc);
+ add_proc_to_hash (init_proc);
+
+ return 0;
+}
--- a/proc/proc.h
+++ b/proc/proc.h
@@ -1,5 +1,6 @@
/* Process server definitions
- Copyright (C) 1992,93,94,95,96,99,2000,01 Free Software Foundation, Inc.
+ Copyright (C) 1992,93,94,95,96,99,2000,01,13
+ Free Software Foundation, Inc.
This file is part of the GNU Hurd.
@@ -134,7 +135,8 @@ struct exc
mach_port_t authserver;
struct proc *self_proc; /* process HURD_PID_PROC (us) */
-struct proc *startup_proc; /* process 1 (init) */
+struct proc *init_proc; /* process 1 (sysvinit) */
+struct proc *startup_proc; /* process 2 (hurd/init) */
struct port_bucket *proc_bucket;
struct port_class *proc_class;
@@ -190,7 +192,7 @@ void exc_clean (void *);
struct proc *add_tasks (task_t);
int pidfree (pid_t);
-struct proc *create_startup_proc (void);
+struct proc *create_init_proc (void);
struct proc *allocate_proc (task_t);
void proc_death_notify (struct proc *);
void complete_proc (struct proc *, pid_t);
--- a/procfs/main.c
+++ b/procfs/main.c
@@ -42,7 +42,7 @@ uid_t opt_anon_owner;
#define OPT_CLK_TCK sysconf(_SC_CLK_TCK)
#define OPT_STAT_MODE 0400
#define OPT_FAKE_SELF -1
-#define OPT_KERNEL_PID 2
+#define OPT_KERNEL_PID 3
#define OPT_ANON_OWNER 0
#define NODEV_KEY -1 /* <= 0, so no short option. */
@@ -153,7 +153,7 @@ struct argp_option common_options[] = {
{ "kernel-process", 'k', "PID", 0,
"Process identifier for the kernel, used to retreive its command "
"line, as well as the global up and idle times. "
- "(default: 2)" },
+ "(default: 3)" },
{ "compatible", 'c', NULL, 0,
"Try to be compatible with the Linux procps utilities. "
"Currently equivalent to -h 100 -s 0444 -S 1." },
|
