Changeset 669 for trunk/kernel/kern/chdev.c

Timestamp:

Nov 19, 2020, 11:44:34 PM (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/kern/chdev.c (modified) (2 diffs)

trunk/kernel/kern/chdev.c

@@ -450 +450 @@
     chdev_t     * chdev_ptr;
 
-    assert( (file_xp != XPTR_NULL) ,
+    assert( __FUNCTION__, (file_xp != XPTR_NULL) ,
     "file_xp == XPTR_NULL\n" );
 
@@ -462 +462 @@
     inode_ptr  = (vfs_inode_t *)hal_remote_lpt( XPTR( file_cxy , &file_ptr->inode ) );
 
-    assert( (inode_type == INODE_TYPE_DEV) ,
-    "inode type %d is not INODE_TYPE_DEV\n", inode_type );
+    assert( __FUNCTION__, (inode_type == FILE_TYPE_DEV) ,
+    "inode type %d is not FILE_TYPE_DEV\n", inode_type );
 
     // get chdev local pointer from inode extension