Changeset 440 for trunk/kernel/syscalls/sys_wait.c

Timestamp:

May 3, 2018, 5:51:22 PM (6 years ago)

Author:

alain

Message:

1/ Fix a bug in the Multithreaded "sort" applicationr:
The pthread_create() arguments must be declared as global variables.
2/ The exit syscall can be called by any thread of a process..

File:

• trunk/kernel/syscalls/sys_wait.c (modified) (4 diffs)

trunk/kernel/syscalls/sys_wait.c

@@ -2 +2 @@
  * sys_wait.c - wait termination or blocking of a child process.
  * 
- * Author    Alain Greiner (2016,2017)
+ * Author    Alain Greiner (2016,2017,2018)
  *  
  * Copyright (c) UPMC Sorbonne Universites
@@ -35 +35 @@
 {
         error_t     error;
-    paddr_t     paddr;
+    vseg_t    * vseg;
     xptr_t      iter_xp;
     xptr_t      child_xp;
@@ -59 +59 @@
 
     // check status in user space
-    error = vmm_v2p_translate( false , status , &paddr );
+    error = vmm_get_vseg( process, (intptr_t)status , &vseg );
 
         if( error )
@@ -65 +65 @@
 
 #if DEBUG_SYSCALLS_ERROR
-printk("\n[ERROR] in %s : status buffer unmapped for thread %x in process %x\n",
-__FUNCTION__ , this->trdid , process->pid );
+printk("\n[ERROR] in %s : status buffer %x unmapped for thread %x in process %x\n",
+__FUNCTION__ , (intptr_t)status, this->trdid , process->pid );
+vmm_display( process , false );
 #endif
         this->errno = EINVAL;