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Fix cases of EINVAL in sem_timedwait

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This commit is contained in:
Jean Pierre Cimalando 2021-03-18 11:19:17 +01:00
parent 0a63256b65
commit 7b49e43275
1 changed files with 9 additions and 1 deletions
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10
src/sfizz/RTSemaphore.cpp
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@ -274,15 +274,23 @@ bool RTSemaphore::try_wait(std::error_code& ec) noexcept
} while (1); } while (1);
} }
static bool absolute_timeout(uint32_t milliseconds, timespec &abs, std::error_code& ec) static bool absolute_timeout(uint32_t milliseconds, timespec &result, std::error_code& ec)
{ {
timespec now; timespec now;
if (clock_gettime(CLOCK_REALTIME, &now) != 0) { if (clock_gettime(CLOCK_REALTIME, &now) != 0) {
ec = std::error_code(errno, std::generic_category()); ec = std::error_code(errno, std::generic_category());
return false; return false;
} }
timespec abs;
abs.tv_sec = now.tv_sec + milliseconds / 1000; abs.tv_sec = now.tv_sec + milliseconds / 1000;
abs.tv_nsec = now.tv_nsec + (milliseconds % 1000) * (1000L * 1000L); abs.tv_nsec = now.tv_nsec + (milliseconds % 1000) * (1000L * 1000L);
long abs_nsec_sec = abs.tv_nsec / (1000L * 1000L * 1000L);
abs.tv_sec += abs_nsec_sec;
abs.tv_nsec -= abs_nsec_sec * (1000L * 1000L * 1000L);
result = abs;
return true; return true;
} }