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Remove TimeValue::toPosixTime() -- it is buggy, semantics are unclear, and its

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only current user should be using toEpochTime() instead.

llvm-svn: 201136
This commit is contained in:
Dmitri Gribenko 2014-02-11 09:11:18 +00:00
parent ac4dfca982
commit 1540932063
3 changed files with 5 additions and 14 deletions
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12
include/llvm/Support/TimeValue.h
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@ -74,8 +74,7 @@ namespace sys {
MILLISECONDS_PER_SECOND = 1000, ///< One Thousand
NANOSECONDS_PER_MICROSECOND = 1000, ///< One Thousand
NANOSECONDS_PER_MILLISECOND = 1000000,///< One Million
NANOSECONDS_PER_POSIX_TICK = 100, ///< Posix tick is 100 Hz (10ms)
NANOSECONDS_PER_WIN32_TICK = 100 ///< Win32 tick is 100 Hz (10ms)
NANOSECONDS_PER_WIN32_TICK = 100 ///< Win32 tick is 10^7 Hz (10ns)
};
/// @}
@ -236,15 +235,6 @@ namespace sys {
( nanos_ / NANOSECONDS_PER_MILLISECOND );
}
/// Converts the TimeValue into the corresponding number of "ticks" for
/// Posix, correcting for the difference in Posix zero time.
/// @brief Convert to unix time (100 nanoseconds since 12:00:00a Jan 1,1970)
uint64_t toPosixTime() const {
uint64_t result = seconds_ - PosixZeroTimeSeconds;
result += nanos_ / NANOSECONDS_PER_POSIX_TICK;
return result;
}
/// Converts the TimeValue into the corresponding number of seconds
/// since the epoch (00:00:00 Jan 1,1970).
uint64_t toEpochTime() const {

4
lib/Support/Unix/Path.inc
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@ -526,7 +526,7 @@ error_code status(int FD, file_status &Result) {
error_code setLastModificationAndAccessTime(int FD, TimeValue Time) {
#if defined(HAVE_FUTIMENS)
timespec Times[2];
Times[0].tv_sec = Time.toPosixTime();
Times[0].tv_sec = Time.toEpochTime();
Times[0].tv_nsec = 0;
Times[1] = Times[0];
if (::futimens(FD, Times))
@ -534,7 +534,7 @@ error_code setLastModificationAndAccessTime(int FD, TimeValue Time) {
return error_code::success();
#elif defined(HAVE_FUTIMES)
timeval Times[2];
Times[0].tv_sec = Time.toPosixTime();
Times[0].tv_sec = Time.toEpochTime();
Times[0].tv_usec = 0;
Times[1] = Times[0];
if (::futimes(FD, Times))

3
unittests/Support/TimeValueTest.cpp
View File

@ -30,7 +30,8 @@ TEST(TimeValue, Win32FILETIME) {
epoch.fromWin32Time(ft1970);
// The "seconds" part in Posix time may be expected as zero.
EXPECT_EQ(ns / 100, epoch.toPosixTime());
EXPECT_EQ(0u, epoch.toEpochTime());
EXPECT_EQ(ns, static_cast<uint32_t>(epoch.nanoseconds()));
// Confirm it reversible.
EXPECT_EQ(ft1970, epoch.toWin32Time());