Changeset 670 for trunk/kernel/syscalls/shared_include

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.

Location:

trunk/kernel/syscalls/shared_include

Files:

• shared_almos.h (modified) (1 diff)
• shared_fbf.h (modified) (2 diffs)
• shared_socket.h (modified) (1 diff)
• shared_stat.h (modified) (2 diffs)

trunk/kernel/syscalls/shared_include/shared_almos.h

@@ -56 +56 @@
     DISPLAY_FAT               = 11,
     DISPLAY_SOCKET            = 12,
+    DISPLAY_FD                = 13,
+    DISPLAY_WINDOWS           = 14,
 }
 display_type_t;

trunk/kernel/syscalls/shared_include/shared_fbf.h

@@ -1 +1 @@
 /*
- * shared_fbf.h - Shared mnemonics used by the frame buffer related syscalls.
+ * shared_fbf.h - Shared mnemonics used by the Frame Buffer related syscalls.
  *
  * Author  Alain Greiner (2016,2017,2018,2019,2020)
@@ -35 +35 @@
     FBF_DIRECT_WRITE   = 2,
     FBF_CREATE_WINDOW  = 3,
-    FBF_DELETE_WINDOW  = 4,
-    FBF_REFRESH_WINDOW = 5,
-    FBF_MOVE_WINDOW    = 6,
-    FBF_RESIZE_WINDOW  = 7,
+    FBF_ACTIVE_WINDOW  = 4,
+    FBF_DELETE_WINDOW  = 5,
+    FBF_REFRESH_WINDOW = 6,
+    FBF_FRONT_WINDOW   = 7,
+    FBF_MOVE_WINDOW    = 8,
+    FBF_RESIZE_WINDOW  = 9,
 }
 fbf_usr_operation_type_t;

trunk/kernel/syscalls/shared_include/shared_socket.h

@@ -69 +69 @@
     SOCK_SEND        = 5,
     SOCK_RECV        = 6,
-    SOCK_SENDTO      = 7,
-    SOCK_RECVFROM    = 8,
 }
 socket_operation_type_t;

trunk/kernel/syscalls/shared_include/shared_stat.h

@@ -28 +28 @@
  * This structure define the informations associated to a file descriptor,
  * returned to user space by the stat() syscall.
+ *
+ * The st_mode field contains informations on both access rights and file types.
+ * - access rights (defined by the inode <rights> field) are stored in st_mode[15:0]
+ * - file types (defined by the inode <type> field) are stored in st_mode[19:16]
  *****************************************************************************************/
 
@@ -45 +49 @@
 
 /******************************************************************************************
- * The st_mode field contains informations on both access rights and file types.
- * - access rights (defined by the inode <rights> field) are stored in st_mode[15:0]
- * - file types (defined by the inode <type> field) are stored in st_mode[19:16]
  * The following macros can be used to extract file type information.
  *