Changeset 674 for trunk/kernel/devices/dev_ioc.c

Timestamp:

Nov 20, 2020, 12:04:01 AM (4 years ago)

Author:

alain

Message:

1) Introduce up to 4 command lines arguments in the KSH "load" command.
These arguments are transfered to the user process through the
argc/argv mechanism, using the user space "args" vseg.

2) Introduce the named and anonymous "pipes", for inter-process communication
through the pipe() and mkfifo() syscalls.

3) Introduce the "chat" application to validate the two above mechanisms.

4) Improve printk() and assert() fonctions in printk.c.

File:

• trunk/kernel/devices/dev_ioc.c (modified) (4 diffs)

trunk/kernel/devices/dev_ioc.c

@@ -54 +54 @@
 
     // set chdev name
-    snprintf( ioc->name , 16 , "ioc%d" , channel );
+    snprintk( ioc->name , 16 , "ioc%d" , channel );
 
     // call driver init function
@@ -78 +78 @@
                                   lid );
 
-assert( (error == 0) , "cannot create server thread" );
+assert( __FUNCTION__, (error == 0) , "cannot create server thread" );
 
     // set "server" field in chdev descriptor
@@ -108 +108 @@
 
 // check dev_xp
-assert( (ioc_xp != XPTR_NULL) , "undefined IOC chdev descriptor" );
+assert( __FUNCTION__, (ioc_xp != XPTR_NULL) , "undefined IOC chdev descriptor" );
 
     // register command in client thread  
@@ -141 +141 @@
 
 // check dev_xp
-assert( (ioc_xp != XPTR_NULL) , "undefined IOC chdev descriptor" );
+assert( __FUNCTION__, (ioc_xp != XPTR_NULL) , "undefined IOC chdev descriptor" );
 
     // register command in calling thread descriptor