From c6e359dbc7bd155b10e15616d11e15c48b8bbefa Mon Sep 17 00:00:00 2001 From: Dmitry Chestnykh Date: Wed, 28 Feb 2024 11:45:09 +0300 Subject: libc: Pass 64bit-only time structures to syscalls. With time64 enabled we need to pass structure which consists of two 64bit fields to clock_gettime64() and clock_nanosleep_time64() syscalls with proper conversion to regular timespec structure after syscall execution. Signed-off-by: Dmitry Chestnykh --- librt/clock_nanosleep.c | 21 ++++++++++++++++++--- 1 file changed, 18 insertions(+), 3 deletions(-) (limited to 'librt') diff --git a/librt/clock_nanosleep.c b/librt/clock_nanosleep.c index ef59369df..5537b0609 100644 --- a/librt/clock_nanosleep.c +++ b/librt/clock_nanosleep.c @@ -39,18 +39,33 @@ clock_nanosleep (clockid_t clock_id, int flags, const struct timespec *req, if (clock_id == CLOCK_PROCESS_CPUTIME_ID) clock_id = MAKE_PROCESS_CPUCLOCK (0, CPUCLOCK_SCHED); - if (SINGLE_THREAD_P) + if (SINGLE_THREAD_P) { #if defined(__UCLIBC_USE_TIME64__) && defined(__NR_clock_nanosleep_time64) - r = INTERNAL_SYSCALL (clock_nanosleep_time64, err, 4, clock_id, flags, TO_TS64_P(req), rem); + struct __ts64_struct __req, __rem; + __req.tv_sec = req->tv_sec; + __req.tv_nsec = req->tv_nsec; + r = INTERNAL_SYSCALL (clock_nanosleep_time64, err, 4, clock_id, flags, &__req, &__rem); + if (rem) { + rem->tv_sec = (time_t) __rem.tv_sec; + rem->tv_nsec = __rem.tv_nsec; + } #else r = INTERNAL_SYSCALL (clock_nanosleep, err, 4, clock_id, flags, req, rem); #endif + } else { #ifdef __NEW_THREADS int oldstate = LIBC_CANCEL_ASYNC (); #if defined(__UCLIBC_USE_TIME64__) && defined(__NR_clock_nanosleep_time64) - r = INTERNAL_SYSCALL (clock_nanosleep_time64, err, 4, clock_id, flags, TO_TS64_P(req), rem); + struct __ts64_struct __req, __rem; + __req.tv_sec = req->tv_sec; + __req.tv_nsec = req->tv_nsec; + r = INTERNAL_SYSCALL (clock_nanosleep_time64, err, 4, clock_id, flags, &__req, &__rem); + if (rem) { + rem->tv_sec = (time_t) __rem.tv_sec; + rem->tv_nsec = __rem.tv_nsec; + } #else r = INTERNAL_SYSCALL (clock_nanosleep, err, 4, clock_id, flags, req, rem); -- cgit v1.2.3