Changeset 457 for trunk/libs/libalmosmkh

Timestamp:

Aug 2, 2018, 11:47:13 AM (6 years ago)

Author:

alain

Message:

This version modifies the exec syscall and fixes a large number of small bugs.
The version number has been updated (0.1)

Location:

trunk/libs/libalmosmkh

Files:

• almosmkh.c (modified) (4 diffs)
• almosmkh.h (modified) (3 diffs)

trunk/libs/libalmosmkh/almosmkh.c

@@ -24 +24 @@
 #include <almosmkh.h>
 #include <hal_user.h>
-#include <hal_types.h>
+#include <hal_shared_types.h>
 #include <syscalls_numbers.h>
 #include <string.h>
@@ -39 +39 @@
     return hal_user_syscall( SYS_FG,
                              (reg_t)pid, 0, 0, 0 );
+}
+
+//////////////////////////////
+int is_fg( unsigned int   pid,
+           unsigned int * owner )
+{
+    return hal_user_syscall( SYS_IS_FG,
+                             (reg_t)pid,
+                             (reg_t)owner, 0, 0 );
 }
 
@@ -224 +233 @@
 //////////////////////////////////
 int trace( unsigned int active,
-           unsigned int pid, 
+           unsigned int cxy, 
            unsigned int lid )
 {
     return hal_user_syscall( SYS_TRACE,
                              (reg_t)active,
-                             (reg_t)pid,
+                             (reg_t)cxy,
                              (reg_t)lid, 0 );
 }
@@ -316 +325 @@
 
 
-///////////////    non standard debug functions    //////////////////////////
+///////////////    non standard malloc functions    //////////////////////////
 
 #define  MALLOC_DEBUG  0

trunk/libs/libalmosmkh/almosmkh.h

@@ -26 +26 @@
 
 /*************************************************************************************** 
- * various the user level, ALMOS-MKH specific library. It contains:
+ * This file defines an user level, ALMOS-MKH specific library, containing: 
  * - non standard system calls.
  * - debug functions.
@@ -40 +40 @@
 /*************************************************************************************** 
  * This function is used to give the process identified by the <pid> argument the 
- * exclusive ownership of the attached TXT_RX terminal.
+ * exclusive ownership of its TXT terminal.
  *************************************************************************************** 
  * @ pid        : process identifier.
@@ -46 +46 @@
  **************************************************************************************/
 int fg( unsigned int pid );
+
+/*************************************************************************************** 
+ * This function stores in the buffer identified by the <owner> argument a non zero
+ * value when the process identified by the <pid> argument is currently the exclusive
+ * owner of its TXT terminal.
+ *************************************************************************************** 
+ * @ pid        : [in]  process identifier.
+ * @ owner      : [out] pointer on buffer to store the
+ * @ returns O if success / returns -1 if process not found.
+ **************************************************************************************/
+int is_fg( unsigned int pid,
+           unsigned int * owner );
 
 /***************************************************************************************