Changeset 443 for trunk/kernel/syscalls/sys_fg.c

Timestamp:

May 16, 2018, 4:15:22 PM (7 years ago)

Author:

alain

Message:

Fix few bugs whike debugging the sort multi-thread application.

File:

• trunk/kernel/syscalls/sys_fg.c (modified) (2 diffs)

trunk/kernel/syscalls/sys_fg.c

@@ -36 +36 @@
 int sys_fg( pid_t    pid )
 {
-    xptr_t      process_xp;
+    xptr_t      process_xp;     // extended pointer on reference process descriptor
     process_t * process_ptr;
     cxy_t       process_cxy;
-    xptr_t      chdev_xp;
+    xptr_t      file_xp;        // extended pointer on STDIN file descriptor
+    xptr_t      chdev_xp;       // extended pointer on TXT0_RX chdev
     chdev_t   * chdev_ptr;
     cxy_t       chdev_cxy;
@@ -70 +71 @@
     process_ptr = (process_t *)GET_PTR( process_xp );
     process_cxy = GET_CXY( process_xp );
+
+    // get extended pointer on the reference process STDIN file descriptor
+    file_xp = hal_remote_lwd( XPTR( process_cxy , &process_ptr->fd_array.array[0] ) );
  
     // get extended pointer on TXT_RX chdev
-    chdev_xp = chdev_from_file( XPTR( process_cxy , &process_ptr->fd_array.array[0] ) );
+    chdev_xp = chdev_from_file( file_xp );
 
     // get chdev cluster and local pointer