diff options
| -rw-r--r-- | include/time.h | 15 | ||||
| -rw-r--r-- | sysdeps/unix/syscalls.list | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/getitimer.c | 61 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/setitimer.c | 90 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/tv32-compat.h | 31 |
5 files changed, 197 insertions, 2 deletions
diff --git a/include/time.h b/include/time.h index 2523e0ff0d..4522fe9c4f 100644 --- a/include/time.h +++ b/include/time.h @@ -6,6 +6,7 @@ # include <bits/types/locale_t.h> # include <stdbool.h> # include <time/mktime-internal.h> +# include <sys/time.h> # include <endian.h> # include <time-clockid.h> # include <sys/time.h> @@ -128,6 +129,20 @@ struct __itimerval64 #endif #if __TIMESIZE == 64 +# define __getitimer64 __getitimer +# define __setitimer64 __setitimer +#else +extern int __getitimer64 (enum __itimer_which __which, + struct __itimerval64 *__value); + +libc_hidden_proto (__getitimer64) +extern int __setitimer64 (enum __itimer_which __which, + const struct __itimerval64 *__restrict __new, + struct __itimerval64 *__restrict __old); +libc_hidden_proto (__setitimer64) +#endif + +#if __TIMESIZE == 64 # define __ctime64 ctime #else extern char *__ctime64 (const __time64_t *__timer) __THROW; diff --git a/sysdeps/unix/syscalls.list b/sysdeps/unix/syscalls.list index e28e801c7a..d249049d6e 100644 --- a/sysdeps/unix/syscalls.list +++ b/sysdeps/unix/syscalls.list @@ -25,7 +25,6 @@ getgid - getgid Ei: __getgid getgid getgroups - getgroups i:ip __getgroups getgroups gethostid - gethostid i: gethostid gethostname - gethostname i:bn __gethostname gethostname -getitimer - getitimer i:ip __getitimer getitimer getpeername - getpeername i:ibN __getpeername getpeername getpid - getpid Ei: __getpid getpid getpriority - getpriority i:ii __getpriority getpriority @@ -67,7 +66,6 @@ setgid - setgid i:i __setgid setgid setgroups - setgroups i:ip setgroups sethostid - sethostid i:i sethostid sethostname - sethostname i:pi sethostname -setitimer - setitimer i:ipp __setitimer setitimer setpgid - setpgrp i:ii __setpgid setpgid setpriority - setpriority i:iii __setpriority setpriority setregid - setregid i:ii __setregid setregid diff --git a/sysdeps/unix/sysv/linux/getitimer.c b/sysdeps/unix/sysv/linux/getitimer.c new file mode 100644 index 0000000000..cb894a5516 --- /dev/null +++ b/sysdeps/unix/sysv/linux/getitimer.c @@ -0,0 +1,61 @@ +/* getitimer -- Get the state of an interval timer. Linux/32 version. + 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 + <http://www.gnu.org/licenses/>. */ + +#include <time.h> +#include <sys/time.h> +#include <sys/types.h> +#include <sysdep.h> +#include <tv32-compat.h> + +int +__getitimer64 (__itimer_which_t which, struct __itimerval64 *curr_value) +{ +#if __KERNEL_OLD_TIMEVAL_MATCHES_TIMEVAL64 + return INLINE_SYSCALL_CALL (getitimer, which, curr_value); +#else + struct __itimerval32 curr_value_32; + + if (INLINE_SYSCALL_CALL (getitimer, which, &curr_value_32) == -1) + return -1; + + curr_value->it_interval + = valid_timeval32_to_timeval64 (curr_value_32.it_interval); + curr_value->it_value + = valid_timeval32_to_timeval64 (curr_value_32.it_value); + return 0; +#endif +} + +#if __TIMESIZE != 64 +libc_hidden_def (__getitimer64) +int +__getitimer (__itimer_which_t which, struct itimerval *curr_value) +{ + struct __itimerval64 val64; + if (__getitimer64 (which, &val64) != 0) + return -1; + + curr_value->it_interval + = valid_timeval64_to_timeval (val64.it_interval); + curr_value->it_value + = valid_timeval64_to_timeval (val64.it_value); + + return 0; +} +#endif +weak_alias (__getitimer, getitimer) diff --git a/sysdeps/unix/sysv/linux/setitimer.c b/sysdeps/unix/sysv/linux/setitimer.c new file mode 100644 index 0000000000..03aff21f11 --- /dev/null +++ b/sysdeps/unix/sysv/linux/setitimer.c @@ -0,0 +1,90 @@ +/* setitimer -- Set the state of an interval timer. Linux/32 version. + 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 + <http://www.gnu.org/licenses/>. */ + +#include <time.h> +#include <sys/time.h> +#include <sys/types.h> +#include <sysdep.h> +#include <tv32-compat.h> + +int +__setitimer64 (__itimer_which_t which, + const struct __itimerval64 *restrict new_value, + struct __itimerval64 *restrict old_value) +{ +#if __KERNEL_OLD_TIMEVAL_MATCHES_TIMEVAL64 + return INLINE_SYSCALL_CALL (setitimer, which, new_value, old_value); +#else + struct __itimerval32 new_value_32; + + if (! in_time_t_range (new_value->it_interval.tv_sec) + || ! in_time_t_range (new_value->it_value.tv_sec)) + { + __set_errno (EOVERFLOW); + return -1; + } + new_value_32.it_interval + = valid_timeval64_to_timeval32 (new_value->it_interval); + new_value_32.it_value + = valid_timeval64_to_timeval32 (new_value->it_value); + + if (old_value == NULL) + return INLINE_SYSCALL_CALL (setitimer, which, &new_value_32, NULL); + + struct __itimerval32 old_value_32; + if (INLINE_SYSCALL_CALL (setitimer, which, &new_value_32, &old_value_32) + == -1) + return -1; + + old_value->it_interval + = valid_timeval32_to_timeval64 (old_value_32.it_interval); + old_value->it_value + = valid_timeval32_to_timeval64 (old_value_32.it_value); + return 0; +#endif +} + +#if __TIMESIZE != 64 +libc_hidden_def (__setitimer64) +int +__setitimer (__itimer_which_t which, + const struct itimerval *restrict new_value, + struct itimerval *restrict old_value) +{ + int ret; + struct __itimerval64 new64, old64; + + new64.it_interval + = valid_timeval_to_timeval64 (new_value->it_interval); + new64.it_value + = valid_timeval_to_timeval64 (new_value->it_value); + + ret = __setitimer64 (which, &new64, old_value ? &old64 : NULL); + + if (ret == 0 && old_value != NULL) + { + old_value->it_interval + = valid_timeval64_to_timeval (old64.it_interval); + old_value->it_value + = valid_timeval64_to_timeval (old64.it_value); + } + + return ret; +} +#endif +weak_alias (__setitimer, setitimer) diff --git a/sysdeps/unix/sysv/linux/tv32-compat.h b/sysdeps/unix/sysv/linux/tv32-compat.h new file mode 100644 index 0000000000..061a3539e2 --- /dev/null +++ b/sysdeps/unix/sysv/linux/tv32-compat.h @@ -0,0 +1,31 @@ +/* Compatibility definitions for 'struct timeval' with 32-bit time_t. + 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 + <http://www.gnu.org/licenses/>. */ + +#ifndef _TV32_COMPAT_H +#define _TV32_COMPAT_H 1 + +#include <bits/types/time_t.h> + +/* Structures containing 'struct timeval' with 32-bit time_t. */ +struct __itimerval32 +{ + struct __timeval32 it_interval; + struct __timeval32 it_value; +}; + +#endif /* tv32-compat.h */ |