diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/timerfd_settime64.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/timerfd_settime64.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/timerfd_settime64.c b/sysdeps/unix/sysv/linux/timerfd_settime64.c new file mode 100644 index 0000000000..fc31f5a884 --- /dev/null +++ b/sysdeps/unix/sysv/linux/timerfd_settime64.c @@ -0,0 +1,72 @@ +/* Set timer TIMERID to VALUE, returning old value in OVALUE. + + 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; see the file COPYING.LIB. If + not, see <http://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <stdlib.h> +#include <time.h> +#include <sysdep.h> +#include <y2038-support.h> +#include "kernel-posix-timers.h" + +int +__timerfd_settime64 (int fd, int flags, const struct __itimerspec64 *value, + struct __itimerspec64 *ovalue) +{ + int res; + struct itimerspec value32; + struct itimerspec ovalue32; + + if (value == NULL) + return EFAULT; + +#ifdef __NR_timerfd_settime64 + if (__y2038_get_kernel_support () > 0) + { + res = INLINE_SYSCALL (timerfd_settime64, 3, fd, value, ovalue); + if (res == 0 || errno != ENOSYS) + return res; + __y2038_set_kernel_support (-1); + } +#endif + + if (value->it_value.tv_sec > INT_MAX + || value->it_interval.tv_sec > INT_MAX) + { + __set_errno(EOVERFLOW); + return -1; + } + + value32.it_value.tv_sec = value->it_value.tv_sec; + value32.it_value.tv_nsec = value->it_value.tv_nsec; + value32.it_interval.tv_sec = value->it_interval.tv_sec; + value32.it_interval.tv_nsec = value->it_interval.tv_nsec; + + res = INLINE_SYSCALL (timerfd_settime, 4, fd, flags, + &value32, &ovalue32); + + if (res == 0 && ovalue != NULL) + { + ovalue->it_value.tv_sec = ovalue32.it_value.tv_sec; + ovalue->it_value.tv_nsec = ovalue32.it_value.tv_nsec; + ovalue->it_interval.tv_sec = ovalue32.it_interval.tv_sec; + ovalue->it_interval.tv_nsec = ovalue32.it_interval.tv_nsec; + } + + return res; +} |