Changeset 669 for trunk/kernel/kern/do_syscall.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/do_syscall.c (modified) (3 diffs)

trunk/kernel/kern/do_syscall.c

@@ -37 +37 @@
 int sys_undefined( void )
 {
-    assert( false , "undefined system call" );
+    assert( __FUNCTION__, false , "undefined system call" );
     return 0;
 }
@@ -199 +199 @@
         int  error = 0;
         
-    assert( (this == CURRENT_THREAD),
+    assert( __FUNCTION__, (this == CURRENT_THREAD),
     "wrong <this> argument\n" );
 
@@ -223 +223 @@
 
     // check kernel stack overflow
-    assert( (CURRENT_THREAD->signature == THREAD_SIGNATURE),
+    assert( __FUNCTION__, (CURRENT_THREAD->signature == THREAD_SIGNATURE),
     "kernel stack overflow after for thread %x in cluster %x\n", CURRENT_THREAD, local_cxy );