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authorThomas Bushnell, BSG <thomas@gnu.org>1996-08-26 20:34:42 +0000
committerThomas Bushnell, BSG <thomas@gnu.org>1996-08-26 20:34:42 +0000
commit485604b41c5554c01542b2b1a8f24d3be59a678b (patch)
tree736f3ebfd3accfec6b5b90b0391d1e04f4978b60
parent548330d38eefef72c138211300e867733613c7c2 (diff)
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*** empty log message ***
-rw-r--r--sysdeps/mach/hurd/setitimer.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/sysdeps/mach/hurd/setitimer.c b/sysdeps/mach/hurd/setitimer.c
index 01c17f7..479b327 100644
--- a/sysdeps/mach/hurd/setitimer.c
+++ b/sysdeps/mach/hurd/setitimer.c
@@ -140,7 +140,7 @@ static int
setitimer_locked (const struct itimerval *new, struct itimerval *old,
void *crit)
{
- struct itimerval newval = *new;
+ struct itimerval newval;
struct timeval now, remaining, elapsed;
struct timeval old_interval;
error_t err;
@@ -154,6 +154,18 @@ setitimer_locked (const struct itimerval *new, struct itimerval *old,
_hurd_itimer_thread = MACH_PORT_NULL;
}
+ if (!new)
+ {
+ /* Just return the current value in OLD without changing anything.
+ This is what BSD does, even though it's not documented. */
+ if (old)
+ *old = _hurd_itemerval;
+ spin_unlock (&_hurd_itimer_lock);
+ _hurd_critical_section_unlock (crit);
+ return 0;
+ }
+
+ newval = *new;
if ((newval.it_value.tv_sec | newval.it_value.tv_usec) != 0)
{
/* Make sure the itimer thread is set up. */