diff options
| -rw-r--r-- | sysdeps/unix/sysv/linux/thrd_priv.h | 4 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/thrd_sleep.c | 56 |
2 files changed, 60 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/thrd_priv.h b/sysdeps/unix/sysv/linux/thrd_priv.h index 5a818d0926..99af8b4ef1 100644 --- a/sysdeps/unix/sysv/linux/thrd_priv.h +++ b/sysdeps/unix/sysv/linux/thrd_priv.h @@ -21,6 +21,7 @@ #if __TIMESIZE == 64 # define __cnd_timedwait64 __cnd_timedwait # define __mtx_timedlock64 __mtx_timedlock +# define __thrd_sleep64 __thrd_sleep #else extern int __cnd_timedwait64 (cnd_t *restrict cond, mtx_t *restrict mutex, const struct __timespec64 *restrict time_point); @@ -28,4 +29,7 @@ libpthread_hidden_proto (__cnd_timedwait64) extern int __mtx_timedlock64 (mtx_t *restrict mutex, const struct __timespec64 *restrict time_point); libpthread_hidden_proto (__mtx_timedlock64) +extern int __thrd_sleep64 (const struct __timespec64 *time_point, + struct __timespec64 *remaining); +libpthread_hidden_proto (__thrd_sleep64) #endif diff --git a/sysdeps/unix/sysv/linux/thrd_sleep.c b/sysdeps/unix/sysv/linux/thrd_sleep.c new file mode 100644 index 0000000000..4797e48f40 --- /dev/null +++ b/sysdeps/unix/sysv/linux/thrd_sleep.c @@ -0,0 +1,56 @@ +/* C11 threads thread sleep implementation - Linux variant. + 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 + <https://www.gnu.org/licenses/>. */ + +#include <time.h> +#include <sysdep-cancel.h> + +#include "thrd_priv.h" + +int +__thrd_sleep64 (const struct __timespec64 *time_point, + struct __timespec64 *remaining) +{ + int ret = __clock_nanosleep_time64 (CLOCK_REALTIME, 0, time_point, + remaining); + /* C11 states thrd_sleep function returns -1 if it has been interrupted + by a signal, or a negative value if it fails. */ + switch (ret) + { + case 0: return 0; + case EINTR: return -1; + default: return -2; + } +} + +#if __TIMESIZE != 64 +libpthread_hidden_def (__thrd_sleep64) + +int +__thrd_sleep (const struct timespec *time_point, struct timespec *remaining) +{ + const struct __timespec64 treq64 = valid_timespec_to_timespec64 (*time_point); + struct __timespec64 trem64; + + int ret = __thrd_sleep64 (&treq64, remaining != NULL ? &trem64 : NULL); + if (ret == -1 && remaining != NULL) + *remaining = valid_timespec64_to_timespec (trem64); + + return ret; +} +#endif +weak_alias (__thrd_sleep, thrd_sleep) |