Changeset 670 for trunk/kernel/syscalls/sys_closedir.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_closedir.c (modified) (5 diffs)

trunk/kernel/syscalls/sys_closedir.c

@@ -2 +2 @@
  * sys_closedir.c - Close an open VFS directory.
  * 
- * Author    Alain Greiner  (2016,2017,2018)
+ * Author    Alain Greiner  (2016,2017,2018,2019,20120)
  *
  * Copyright (c) UPMC Sorbonne Universites
@@ -37 +37 @@
 {
     xptr_t         dir_xp;       // extended pointer on user_dir_t structure
-    user_dir_t   * dir_ptr;      // lcal pointer on user_dir_t structure
+    user_dir_t   * dir_ptr;      // local pointer on user_dir_t structure
     cxy_t          dir_cxy;      // cluster identifier (inode cluster)
 
@@ -43 +43 @@
         process_t * process = this->process;   // client process
 
-#if (DEBUG_SYS_CLOSEDIR || CONFIG_INSTRUMENTATION_SYSCALLS)
+#if DEBUG_SYS_CLOSEDIR || DEBUG_SYSCALLS_ERROR || CONFIG_INSTRUMENTATION_SYSCALLS
 uint64_t     tm_start = hal_get_cycles();
 #endif
@@ -60 +60 @@
 
 #if DEBUG_SYSCALLS_ERROR
-printk("\n[ERROR] in %s / thread[%x,%x] : DIR pointer %x not registered\n",
+if( DEBUG_SYSCALLS_ERROR < (uint32_t)tm_start )
+printk("\n[ERROR] in %s : thread[%x,%x] / DIR pointer %x not registered\n",
 __FUNCTION__ , process->pid , this->trdid, dirp );
 #endif
@@ -67 +68 @@
         }       
 
-    // get cluster and localpointer for user_dir_t structure
+    // get cluster and local pointer for user_dir_t structure
     dir_ptr = GET_PTR( dir_xp );
     dir_cxy = GET_CXY( dir_xp );