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Remove dead code. NFC.

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This interface was added 2 years ago but users never developed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223368 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2014-12-04 16:59:36 +00:00
parent 9571274787
commit 3f598f77bd
9 changed files with 14 additions and 208 deletions
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4
lib/Support/Unix/Memory.inc
View File

@ -88,7 +88,7 @@ Memory::allocateMappedMemory(size_t NumBytes,
if (NumBytes == 0)
return MemoryBlock();
static const size_t PageSize = process::get_self()->page_size();
static const size_t PageSize = Process::getPageSize();
const size_t NumPages = (NumBytes+PageSize-1)/PageSize;
int fd = -1;
@ -181,7 +181,7 @@ Memory::AllocateRWX(size_t NumBytes, const MemoryBlock* NearBlock,
std::string *ErrMsg) {
if (NumBytes == 0) return MemoryBlock();
size_t PageSize = process::get_self()->page_size();
size_t PageSize = Process::getPageSize();
size_t NumPages = (NumBytes+PageSize-1)/PageSize;
int fd = -1;

2
lib/Support/Unix/Path.inc
View File

@ -550,7 +550,7 @@ const char *mapped_file_region::const_data() const {
}
int mapped_file_region::alignment() {
return process::get_self()->page_size();
return Process::getPageSize();
}
std::error_code detail::directory_iterator_construct(detail::DirIterState &it,

34
lib/Support/Unix/Process.inc
View File

@ -57,10 +57,6 @@
using namespace llvm;
using namespace sys;
process::id_type self_process::get_id() {
return getpid();
}
static std::pair<TimeValue, TimeValue> getRUsageTimes() {
#if defined(HAVE_GETRUSAGE)
struct rusage RU;
@ -80,43 +76,19 @@ static std::pair<TimeValue, TimeValue> getRUsageTimes() {
#endif
}
TimeValue self_process::get_user_time() const {
#if _POSIX_TIMERS > 0 && _POSIX_CPUTIME > 0
// Try to get a high resolution CPU timer.
struct timespec TS;
if (::clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &TS) == 0)
return TimeValue(static_cast<TimeValue::SecondsType>(TS.tv_sec),
static_cast<TimeValue::NanoSecondsType>(TS.tv_nsec));
#endif
// Otherwise fall back to rusage based timing.
return getRUsageTimes().first;
}
TimeValue self_process::get_system_time() const {
// We can only collect system time by inspecting the results of getrusage.
return getRUsageTimes().second;
}
// On Cygwin, getpagesize() returns 64k(AllocationGranularity) and
// offset in mmap(3) should be aligned to the AllocationGranularity.
static unsigned getPageSize() {
unsigned Process::getPageSize() {
#if defined(HAVE_GETPAGESIZE)
const int page_size = ::getpagesize();
static const int page_size = ::getpagesize();
#elif defined(HAVE_SYSCONF)
long page_size = ::sysconf(_SC_PAGE_SIZE);
static long page_size = ::sysconf(_SC_PAGE_SIZE);
#else
#warning Cannot get the page size on this machine
#endif
return static_cast<unsigned>(page_size);
}
// This constructor guaranteed to be run exactly once on a single thread, and
// sets up various process invariants that can be queried cheaply from then on.
self_process::self_process() : PageSize(getPageSize()) {
}
size_t Process::GetMallocUsage() {
#if defined(HAVE_MALLINFO)
struct mallinfo mi;