Y2038: add function __sched_rr_get_interval64

diff --git a/posix/Makefile b/posix/Makefile
index 83162123f9c927a0a171dfcdf7ead27efd7f1858..a66d6db0bbc41fa116bd48447ede85db0377b86d 100644 (file)
--- a/posix/Makefile
+++ b/posix/Makefile
@@ -62,7 +62,8 @@ routines :=                                                                 \
        spawnattr_getsigmask spawnattr_getschedpolicy spawnattr_getschedparam \
        spawnattr_setsigmask spawnattr_setschedpolicy spawnattr_setschedparam \
        posix_madvise                                                         \
-       get_child_max sched_cpucount sched_cpualloc sched_cpufree
+       get_child_max sched_cpucount sched_cpualloc sched_cpufree             \
+       sched_rr_gi64
 
 aux            := init-posix environ
 tests          := test-errno tstgetopt testfnm runtests runptests \

diff --git a/posix/Versions b/posix/Versions
index cad4c23e8c08e0f6321776f105cbff1c352ddc0b..deb1be1ec8d3ef3f182587ec2f21c5f3227ff182 100644 (file)
--- a/posix/Versions
+++ b/posix/Versions
@@ -137,6 +137,9 @@ libc {
   GLIBC_2.27 {
     glob; glob64;
   }
+  GLIBC_2.29 {
+    __sched_rr_get_interval_time64;
+  }
   GLIBC_PRIVATE {
     __libc_fork; __libc_pread; __libc_pwrite;
     __nanosleep_nocancel; __pause_nocancel;

diff --git a/posix/sched_rr_gi64.c b/posix/sched_rr_gi64.c
new file mode 100644 (file)
index 0000000..35dc938
--- /dev/null
+++ b/posix/sched_rr_gi64.c
@@ -0,0 +1,55 @@
+/* Get the SCHED_RR interval for the named process.
+  
+   Copyright (C) 2018 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <errno.h>
+#include <sched.h>
+#include <sys/types.h>
+#include <y2038-support.h>
+
+int
+__sched_rr_get_interval_time64 (pid_t pid, struct __timespec64 *t)
+{
+  struct timespec ts32;
+  int result;
+
+  if (t == NULL)
+    {
+      __set_errno(EINVAL);
+      return -1;
+    }
+
+#ifdef __NR_sched_rr_get_interval_time64
+  if (__y2038_linux_support > 0)
+    {
+      result = INLINE_SYSCALL(sched_rr_get_interval_time64, 2, pid, t);
+      if (result == 0 || errno != ENOSYS)
+        return result;
+      __y2038_linux_support = -1;
+    }
+#endif
+
+  result = __sched_rr_get_interval(pid, &ts32);
+  if (result == 0)
+    {
+      t->tv_sec = ts32.tv_sec;
+      t->tv_nsec = ts32.tv_nsec;
+      t->tv_pad = 0;
+    }
+  return result;
+}