diff options
Diffstat (limited to 'sysdeps/unix')
| -rw-r--r-- | sysdeps/unix/sysv/linux/sched_rr_gi.c | 73 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/syscalls.list | 1 |
2 files changed, 73 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/sched_rr_gi.c b/sysdeps/unix/sysv/linux/sched_rr_gi.c new file mode 100644 index 0000000000..3d7b484591 --- /dev/null +++ b/sysdeps/unix/sysv/linux/sched_rr_gi.c @@ -0,0 +1,73 @@ +/* sched_rr_get_interval -- get the scheduler's SCHED_RR policy time interval. + 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; see the file COPYING.LIB. If + not, see <https://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <stdlib.h> +#include <time.h> +#include <sysdep.h> +#include <kernel-features.h> + +int +__sched_rr_get_interval64 (pid_t pid, struct __timespec64 *tp) +{ +#ifdef __ASSUME_TIME64_SYSCALLS +# ifndef __NR_sched_rr_get_interval_time64 +# define __NR_sched_rr_get_interval_time64 __NR_sched_rr_get_interval +# endif + return INLINE_SYSCALL_CALL (sched_rr_get_interval_time64, pid, tp); +#else +# ifdef __NR_sched_rr_get_interval_time64 + int ret = INLINE_SYSCALL_CALL (sched_rr_get_interval_time64, pid, tp); + if (ret == 0 || errno != ENOSYS) + return ret; +# endif + struct timespec tp32; + int retval = INLINE_SYSCALL_CALL (sched_rr_get_interval, pid, &tp32); + if (retval == 0) + *tp = valid_timespec_to_timespec64 (tp32); + + return retval; +#endif +} + +#if __TIMESIZE != 64 +libc_hidden_def (__sched_rr_get_interval64) + +int +__sched_rr_get_interval (pid_t pid, struct timespec *tp) +{ + int ret; + struct __timespec64 tp64; + + ret = __sched_rr_get_interval64 (pid, &tp64); + + if (ret == 0) + { + if (! in_time_t_range (tp64.tv_sec)) + { + __set_errno (EOVERFLOW); + return -1; + } + + *tp = valid_timespec64_to_timespec (tp64); + } + + return ret; +} +#endif +strong_alias (__sched_rr_get_interval, sched_rr_get_interval) diff --git a/sysdeps/unix/sysv/linux/syscalls.list b/sysdeps/unix/sysv/linux/syscalls.list index 1fa546f231..5d65ed23e0 100644 --- a/sysdeps/unix/sysv/linux/syscalls.list +++ b/sysdeps/unix/sysv/linux/syscalls.list @@ -51,7 +51,6 @@ sched_getp - sched_getparam i:ip __sched_getparam sched_getparam sched_gets - sched_getscheduler i:i __sched_getscheduler sched_getscheduler sched_primax - sched_get_priority_max i:i __sched_get_priority_max sched_get_priority_max sched_primin - sched_get_priority_min i:i __sched_get_priority_min sched_get_priority_min -sched_rr_gi - sched_rr_get_interval i:ip __sched_rr_get_interval sched_rr_get_interval sched_setp - sched_setparam i:ip __sched_setparam sched_setparam sched_sets - sched_setscheduler i:iip __sched_setscheduler sched_setscheduler sched_yield - sched_yield i: __sched_yield sched_yield |