qiurui
/
glibc
mirror of git://sourceware.org/git/glibc.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

*** empty log message ***

This commit is contained in:
Thomas Bushnell, BSG 1996-08-26 20:34:42 +00:00
parent 548330d38e
commit 485604b41c
1 changed files with 13 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
sysdeps/mach/hurd/setitimer.c
View File

@ -140,7 +140,7 @@ static int
setitimer_locked (const struct itimerval *new, struct itimerval *old, setitimer_locked (const struct itimerval *new, struct itimerval *old,
void *crit) void *crit)
{ {
struct itimerval newval = *new; struct itimerval newval;
struct timeval now, remaining, elapsed; struct timeval now, remaining, elapsed;
struct timeval old_interval; struct timeval old_interval;
error_t err; error_t err;
@ -154,6 +154,18 @@ setitimer_locked (const struct itimerval *new, struct itimerval *old,
_hurd_itimer_thread = MACH_PORT_NULL; _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) if ((newval.it_value.tv_sec | newval.it_value.tv_usec) != 0)
{ {
/* Make sure the itimer thread is set up. */ /* Make sure the itimer thread is set up. */