https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122293
Bug ID: 122293
Summary: [16 Regression][gcn,nvptx] Build fails with
bits/this_thread_sleep.h:71:40: error:
‘__to_timeout_timespec’ is not a member of
‘std::chrono’
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Keywords: build
Severity: normal
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: burnus at gcc dot gnu.org
CC: mac at mcrowe dot com, redi at gcc dot gnu.org
Target Milestone: ---
Target: gcn,nvptx
GCC bootstrap for GCN and Nvptx fails with:
In file included from nvptx-none/libstdc++-v3/include/thread:48,
from repos/gcc/libstdc++-v3/src/c++11/thread.cc:29:
nvptx-none/libstdc++-v3/include/bits/this_thread_sleep.h: In function ‘void
std::this_thread::sleep_for(const std::chrono::duration<_Rep1, _Period1>&)’:
nvptx-none/libstdc++-v3/include/bits/this_thread_sleep.h:71:40: error:
‘__to_timeout_timespec’ is not a member of ‘std::chrono’ [-Wtemplate-body]
71 | struct timespec __ts = chrono::__to_timeout_timespec(__rtime);
| ^~~~~~~~~~~~~~~~~~~~~
* * *
I see in include/bits/chrono.h
#if defined _GLIBCXX_USE_NANOSLEEP || defined _GLIBCXX_USE_CLOCK_REALTIME \
|| defined _GLIBCXX_HAS_GTHREADS
namespace chrono
{
...
template<typename _Rep, typename _Period>
[[__nodiscard__]] _GLIBCXX14_CONSTEXPR inline
struct ::timespec
__to_timeout_timespec(const duration<_Rep, _Period>& __d)
{
* * *
I see in include/bits/this_thread_sleep.h
#ifndef _GLIBCXX_NO_SLEEP
/// this_thread::sleep_for
template<typename _Rep, typename _Period>
inline void
sleep_for(const chrono::duration<_Rep, _Period>& __rtime)
{
if (__rtime <= __rtime.zero())
return;
struct timespec __ts = chrono::__to_timeout_timespec(__rtime);
#ifdef _GLIBCXX_USE_NANOSLEEP
while (::nanosleep(&__ts, &__ts) == -1 && errno == EINTR)
{ }
#else
using chrono::seconds;
using chrono::nanoseconds;
void __sleep_for(seconds __s, nanoseconds __ns);
__sleep_for(seconds(__ts.tv_sec), nanoseconds(__ts.tv_nsec));
#endif
* * *
config.h shows:
#define HAVE_SLEEP 1
#define HAVE_USLEEP 1
/* #undef _GLIBCXX_NO_SLEEP */
/* #undef _GLIBCXX_USE_NANOSLEEP */
/* #undef _GLIBCXX_USE_WIN32_SLEEP */
/* #undef _GLIBCXX_USE_CLOCK_GETTIME_SYSCALL */
/* #undef _GLIBCXX_USE_CLOCK_MONOTONIC */
/* #undef _GLIBCXX_USE_CLOCK_REALTIME */
/* #undef _GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT */
/* #undef _GLIBCXX_USE_PTHREAD_MUTEX_CLOCKLOCK */
/* #undef _GLIBCXX_USE_PTHREAD_RWLOCK_CLOCKLOCK */
