From c3a020eedde907e7df69159a54bf59d39db85709 Mon Sep 17 00:00:00 2001 From: Adhemerval Zanella Date: Sun, 12 Jul 2020 14:55:30 -0300 Subject: linux: Add time64 support for nanosleep It uses __clock_nanosleep64 and adds the __nanosleep64 symbol. Checked on x86_64-linux-gnu and i686-linux-gnu (on 5.4 and on 4.15 kernel). Reviewed-by: Alistair Francis --- sysdeps/unix/sysv/linux/nanosleep.c | 50 +++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 sysdeps/unix/sysv/linux/nanosleep.c (limited to 'sysdeps') diff --git a/sysdeps/unix/sysv/linux/nanosleep.c b/sysdeps/unix/sysv/linux/nanosleep.c new file mode 100644 index 0000000000..8f4ee0f744 --- /dev/null +++ b/sysdeps/unix/sysv/linux/nanosleep.c @@ -0,0 +1,50 @@ +/* High-resolution sleep. + Copyright (C) 2020 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 + . */ + +#include +#include + +int +__nanosleep64 (const struct __timespec64 *req, struct __timespec64 *rem) +{ + int ret = __clock_nanosleep_time64 (CLOCK_REALTIME, 0, req, rem); + if (ret != 0) + { + __set_errno (ret); + return -1; + } + return 0; +} +#if __TIMESIZE != 64 +libc_hidden_def (__nanosleep64) + +int +__nanosleep (const struct timespec *req, struct timespec *rem) +{ + struct __timespec64 treq64, trem64; + + treq64 = valid_timespec_to_timespec64 (*req); + int ret = __nanosleep64 (&treq64, &trem64); + + if (ret != 0 && errno == EINTR && rem != NULL) + *rem = valid_timespec64_to_timespec (trem64); + return ret; +} +#endif +libc_hidden_def (__nanosleep) +weak_alias (__nanosleep, nanosleep) -- cgit v1.2.3