about summary refs log tree commit diff
path: root/sysdeps/generic/clock_getcpuclockid.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/generic/clock_getcpuclockid.c')
-rw-r--r--sysdeps/generic/clock_getcpuclockid.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/sysdeps/generic/clock_getcpuclockid.c b/sysdeps/generic/clock_getcpuclockid.c
index 07f6c22bec..f39a8cf492 100644
--- a/sysdeps/generic/clock_getcpuclockid.c
+++ b/sysdeps/generic/clock_getcpuclockid.c
@@ -22,6 +22,17 @@
 int
 clock_getcpuclockid (pid_t pid, clockid_t *clock_id)
 {
+  /* We don't allow any process ID but our own.  */
+  if (pid != 0 && pid != getpid ())
+    return EPERM;
+
+#ifdef CLOCK_PROCESS_CPUTIME_ID
+  /* Store the number.  */
+  *clock_id = CLOCK_PROCESS_CPUTIME_ID;
+
+  return 0;
+#else
   /* We don't have a timer for that.  */
   return ENOENT;
+#endif
 }