Changeset 670 for trunk/kernel/syscalls/sys_mmap.c

Timestamp:

Nov 19, 2020, 11:45:52 PM (3 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/syscalls/sys_mmap.c (modified) (1 diff)

trunk/kernel/syscalls/sys_mmap.c

@@ -193 +193 @@
 */
 
-                // increment file refcount
-                vfs_file_count_up( file_xp );
-
         mapper_xp = XPTR( file_cxy , mapper_ptr );
         vseg_type = VSEG_TYPE_FILE;