It's time to provide 64bit time structs for all platforms, for y2038 is near.
There are still old "struct timeval" and "struct itimerval" in include/uapi/linux/time.h, remove "#include <linux/time.h>" and add our own pure 64bit ones.
Suggested-by: Arnd Bergmann arnd@arndb.de Link: https://lore.kernel.org/linux-riscv/9e4064fc-f0c5-4dd3-941f-344d2150e1cd@app... Signed-off-by: Zhangjin Wu falcon@tinylab.org --- tools/include/nolibc/sys.h | 2 -- tools/include/nolibc/types.h | 49 +++++++++++++++++++++++++++++++++++- 2 files changed, 48 insertions(+), 3 deletions(-)
diff --git a/tools/include/nolibc/sys.h b/tools/include/nolibc/sys.h index d0720af84b6d..1b3675d4c5fc 100644 --- a/tools/include/nolibc/sys.h +++ b/tools/include/nolibc/sys.h @@ -17,7 +17,6 @@ #include <asm/mman.h> #include <linux/fs.h> #include <linux/loop.h> -#include <linux/time.h> #include <linux/auxvec.h> #include <linux/fcntl.h> /* for O_* and AT_* */ #include <linux/stat.h> /* for statx() */ @@ -28,7 +27,6 @@ #include "errno.h" #include "types.h"
- /* Functions in this file only describe syscalls. They're declared static so * that the compiler usually decides to inline them while still being allowed * to pass a pointer to one of their instances. Each syscall exists in two diff --git a/tools/include/nolibc/types.h b/tools/include/nolibc/types.h index 698d859fc6e2..4ff35b7ea2bb 100644 --- a/tools/include/nolibc/types.h +++ b/tools/include/nolibc/types.h @@ -8,10 +8,57 @@ #define _NOLIBC_TYPES_H
#include "std.h" -#include <linux/time.h> +#include <linux/time_types.h> #include <linux/stat.h> #include <linux/wait.h>
+/* based on linux/time.h but with pure 64bit time structs */ +#define timespec __kernel_timespec +#define itimerspec __kernel_itimerspec + +/* timeval is only provided for users, not compatible with syscalls */ +struct timeval { + __kernel_time64_t tv_sec; /* seconds */ + __s64 tv_usec; /* microseconds */ +}; + +struct timezone { + int tz_minuteswest; /* minutes west of Greenwich */ + int tz_dsttime; /* type of dst correction */ +}; + +/* itimerval is only provided for users, not compatible with syscalls */ +struct itimerval { + struct timeval it_interval; /* timer interval */ + struct timeval it_value; /* current value */ +}; + +/* + * Names of the interval timers, and structure + * defining a timer setting: + */ +#define ITIMER_REAL 0 +#define ITIMER_VIRTUAL 1 +#define ITIMER_PROF 2 + +/* + * The IDs of the various system clocks (for POSIX.1b interval timers): + */ +#define CLOCK_REALTIME 0 +#define CLOCK_MONOTONIC 1 +#define CLOCK_PROCESS_CPUTIME_ID 2 +#define CLOCK_THREAD_CPUTIME_ID 3 +#define CLOCK_MONOTONIC_RAW 4 +#define CLOCK_REALTIME_COARSE 5 +#define CLOCK_MONOTONIC_COARSE 6 +#define CLOCK_BOOTTIME 7 +#define CLOCK_REALTIME_ALARM 8 +#define CLOCK_BOOTTIME_ALARM 9 + +/* + * The various flags for setting POSIX.1b interval timers: + */ +#define TIMER_ABSTIME 0x01
/* Only the generic macros and types may be defined here. The arch-specific * ones such as the O_RDONLY and related macros used by fcntl() and open(), or