timespec(3type) timespec(3type) NAME timespec - time in seconds and nanoseconds LIBRARY Standard C library (libc) SYNOPSIS #include <time.h> struct timespec { time_t tv_sec; /* Seconds */ /* ... */ tv_nsec; /* Nanoseconds [0, 999'999'999] */ }; DESCRIPTION Describes times in seconds and nanoseconds. tv_nsec is of an implementation-defined signed type capable of holding the specified range. Under glibc, this is usually long, and long long on X32. It can be safely down-cast to any concrete 32-bit integer type for processing. STANDARDS C11 and later; POSIX.1-2001 and later. VERSIONS Prior to C23, tv_nsec was long. NOTES The following headers also provide this type: <aio.h>, <mqueue.h>, <sched.h>, <signal.h>, <sys/select.h>, and <sys/stat.h>. SEE ALSO clock_gettime(2), clock_nanosleep(2), nanosleep(2), timerfd_gettime(2), timer_gettime(2), time_t(3type), timeval(3type) Linux man-pages 6.03 2023-02-05 timespec(3type)
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