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authorUlrich Drepper <drepper@redhat.com>2003-04-10 16:46:27 +0000
committerUlrich Drepper <drepper@redhat.com>2003-04-10 16:46:27 +0000
commit88ff4759acdc413c96b038036823ac6dc677c667 (patch)
tree8d813b78336d828b2661c4d4a4bfd78834f2715a /nptl/sysdeps
parentb2041097f675c9adf64ed331c221ac903e6e9790 (diff)
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Update.
2003-04-10 Ulrich Drepper <drepper@redhat.com> * sysdeps/unix/sysv/linux/fork.c (__libc_fork): Reset CPU clocks in child.
Diffstat (limited to 'nptl/sysdeps')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/fork.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/fork.c b/nptl/sysdeps/unix/sysv/linux/fork.c
index cbe9ccb..94d8995 100644
--- a/nptl/sysdeps/unix/sysv/linux/fork.c
+++ b/nptl/sysdeps/unix/sysv/linux/fork.c
@@ -17,6 +17,7 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
+#include <assert.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
@@ -24,8 +25,9 @@
#include <libio/libioP.h>
#include <tls.h>
#include "fork.h"
+#include <hp-timing.h>
+#include <ldsodefs.h>
#include <bits/stdio-lock.h>
-#include <assert.h>
unsigned long int *__fork_generation_pointer;
@@ -83,11 +85,21 @@ __libc_fork (void)
if (pid == 0)
{
- assert (THREAD_GETMEM (THREAD_SELF, tid) != ppid);
+ struct pthread *self = THREAD_SELF;
+
+ assert (THREAD_GETMEM (self, tid) != ppid);
if (__fork_generation_pointer != NULL)
*__fork_generation_pointer += 4;
+#if HP_TIMING_AVAIL
+ /* The CPU clock of the thread and process have to be set to zero. */
+ hp_timing_t now;
+ HP_TIMING_NOW (now);
+ THREAD_SETMEM (self, cpuclock_offset, now);
+ GL(dl_cpuclock_offset) = now;
+#endif
+
/* Reset the file list. These are recursive mutexes. */
fresetlockfiles ();