Changeset 22e6802 in mainline for kernel/generic/src/proc/thread.c

Timestamp:

2009-12-03T17:49:01Z (15 years ago)

Author:

Martin Decky <martin@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

65c1778, fbcfc4da

Parents:

4924675

Message:

fix kernel thread_sleep() not to overflow thread_usleep()
introduce useconds_t
unify arguments names, cstyle

File:

• kernel/generic/src/proc/thread.c (modified) (3 diffs)

kernel/generic/src/proc/thread.c

@@ -501 +501 @@
 void thread_sleep(uint32_t sec)
 {
-        thread_usleep(sec * 1000000);
+        /* Sleep in 1000 second steps to support
+           full argument range */
+        while (sec > 0) {
+                uint32_t period = (sec > 1000) ? 1000 : sec;
+        
+                thread_usleep(period * 1000000);
+                sec -= period;
+        }
 }
 
@@ -575 +582 @@
 {
         waitq_t wq;
-                                  
+        
         waitq_initialize(&wq);
-
+        
         (void) waitq_sleep_timeout(&wq, usec, SYNCH_FLAGS_NON_BLOCKING);
 }
@@ -815 +822 @@
 unative_t sys_thread_usleep(uint32_t usec)
 {
-        thread_usleep(usec);    
+        thread_usleep(usec);
         return 0;
 }