Changeset 683 for trunk/kernel/syscalls/sys_thread_exit.c

Timestamp:

Jan 13, 2021, 12:36:17 AM (4 years ago)

Author:

alain

Message:

All modifications required to support the <tcp_chat> application
including error recovery in case of packet loss.A

File:

• trunk/kernel/syscalls/sys_thread_exit.c (modified) (6 diffs)

trunk/kernel/syscalls/sys_thread_exit.c

@@ -2 +2 @@
  * sys_thread_exit.c - terminates the execution of calling thread
  * 
- * Authors   Alain Greiner (2016,2017,2018,2019)
+ * Authors   Alain Greiner (2016,2017,2018,2019,2020)
  *
  * Copyright (c) UPMC Sorbonne Universites
@@ -44 +44 @@
     pid_t       pid       = process->pid;
     
+#if DEBUG_SYS_THREAD_EXIT || DEBUG_SYSCALLS_ERROR 
+uint64_t     tm_start = hal_get_cycles();
+#endif
+
     // check exit_value pointer in user space if required
     if( exit_status != NULL )
@@ -53 +57 @@
 
 #if DEBUG_SYSCALLS_ERROR
-printk("\n[ERROR] in %s : exit_status buffer %x unmapped / thread[%x,%x]\n",
-__FUNCTION__, (intptr_t)exit_status, process->pid, this->trdid );
+if( DEBUG_SYSCALLS_ERROR < (uint32_t)tm_start ) 
+printk("\n[WARNING] in %s : exit_status buffer %x unmapped / thread[%x,%x]\n",
+__FUNCTION__, (intptr_t)exit_status, pid, trdid );
 #endif
             this->errno = EINVAL;
@@ -67 +72 @@
 
 #if DEBUG_SYSCALLS_ERROR
-printk("\n[ERROR] in %s : busylocks count = %d  / thread[%x,%x]\n",
-__FUNCTION__ , count, process->pid, this->trdid );
+if( DEBUG_SYSCALLS_ERROR < (uint32_t)tm_start ) 
+printk("\n[WARNING] in %s : busylocks count = %d  / thread[%x,%x]\n",
+__FUNCTION__ , count, pid, trdid );
 #endif
             this->errno = EINVAL;
@@ -84 +90 @@
 
 #if DEBUG_SYS_THREAD_EXIT
-uint64_t     tm_start = hal_get_cycles();
-if( DEBUG_SYS_THREAD_EXIT < tm_start )
+if( DEBUG_SYS_THREAD_EXIT < (uint32_t)tm_start ) 
 printk("\n[%s] thread[%x,%x] is main => delete process / cycle %d\n",
 __FUNCTION__ , pid , trdid , (uint32_t)tm_start );
@@ -96 +101 @@
 
 #if DEBUG_SYS_THREAD_EXIT
-uint64_t     tm_start = hal_get_cycles();
-if( DEBUG_SYS_THREAD_EXIT < tm_start )
+if( DEBUG_SYS_THREAD_EXIT < (uint32_t)tm_start )
 printk("\n[%s] thread[%x,%x] is not main => delete thread / cycle %d\n",
 __FUNCTION__ , pid , trdid , (uint32_t)tm_start );