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authorJustus Winter <4winter@informatik.uni-hamburg.de>2014-02-02 15:36:57 +0100
committerJustus Winter <4winter@informatik.uni-hamburg.de>2014-02-02 17:08:37 +0100
commita5b95344a4f9fd3202e627ce08a3a492e35a0fff (patch)
tree62320e673670ec5f425026998a0b0231f30be740 /exec
parentf4bf9dc40689f1ab221d64af6932286d4cd010e6 (diff)
exec: connect std{in,out,err} to the mach console
* exec/main.c (S_exec_init): Get the device master port and connect std{in,out,err} to the mach console.
Diffstat (limited to 'exec')
-rw-r--r--exec/main.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/exec/main.c b/exec/main.c
index c1f347cf..27f33b1c 100644
--- a/exec/main.c
+++ b/exec/main.c
@@ -200,7 +200,7 @@ kern_return_t
S_exec_init (struct trivfs_protid *protid,
auth_t auth, process_t proc)
{
- mach_port_t host_priv, startup;
+ mach_port_t host_priv, device_master, startup;
error_t err;
if (! protid || ! protid->isroot)
@@ -232,9 +232,22 @@ S_exec_init (struct trivfs_protid *protid,
mach_port_deallocate (mach_task_self (), right);
}
- err = get_privileged_ports (&host_priv, NULL);
+ err = get_privileged_ports (&host_priv, &device_master);
assert_perror (err);
+ {
+ /* Get our stderr set up to print on the console, in case we have
+ to panic or something. */
+ mach_port_t cons;
+ error_t err;
+ err = device_open (device_master, D_READ|D_WRITE, "console", &cons);
+ assert_perror (err);
+ mach_port_deallocate (mach_task_self (), device_master);
+ stdin = mach_open_devstream (cons, "r");
+ stdout = stderr = mach_open_devstream (cons, "w");
+ mach_port_deallocate (mach_task_self (), cons);
+ }
+
proc_register_version (procserver, host_priv, "exec", "", HURD_VERSION);
err = proc_getmsgport (procserver, HURD_PID_STARTUP, &startup);