[[PATCH,RFC,2] 44/63] Y2038: add function __sched_rr_get_interval64
Commit Message
---
posix/Makefile | 3 ++-
posix/Versions | 1 +
posix/sched_rr_gi64.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 54 insertions(+), 1 deletion(-)
create mode 100644 posix/sched_rr_gi64.c
@@ -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 \
@@ -136,6 +136,7 @@ libc {
}
GLIBC_2.27 {
glob; glob64;
+ __sched_rr_get_interval64;
}
GLIBC_PRIVATE {
__libc_fork; __libc_pread; __libc_pwrite;
new file mode 100644
@@ -0,0 +1,51 @@
+/* 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>
+
+extern int __y2038_linux_support;
+
+int
+__sched_rr_get_interval64 (pid_t pid, struct __timespec64 *t)
+{
+ struct timespec ts32;
+ int result;
+
+ if (t == NULL)
+ {
+ __set_errno(EINVAL);
+ return -1;
+ }
+
+ if (__y2038_linux_support)
+ {
+ /* TODO: use 64-bit syscall */
+ }
+
+ 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;
+}