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make coalesce-buffers work on windows and systemps with pwritev()/preadv()

This commit is contained in:
arvidn 2018-01-28 01:38:24 +01:00 committed by Arvid Norberg
parent eeca133dd7
commit b729021625
2 changed files with 7 additions and 18 deletions
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1
ChangeLog
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@ -1,4 +1,5 @@
* made coalesce_reads/coalesce_writes settings take effect on linux and windows
* restore support for incoming connections over SOCKS5 (disabled by default)
* use unique peer_ids per connection
* fix iOS build on recent SDK

24
src/file.cpp
View File

@ -1663,7 +1663,6 @@ typedef struct _FILE_ALLOCATED_RANGE_BUFFER {
namespace {
#if !TORRENT_USE_PREADV
void gather_copy(file::iovec_t const* bufs, int num_bufs, char* dst)
{
std::size_t offset = 0;
@ -1717,7 +1716,6 @@ typedef struct _FILE_ALLOCATED_RANGE_BUFFER {
num_bufs = 1;
return true;
}
#endif // TORRENT_USE_PREADV
template <class Fun>
boost::int64_t iov(Fun f, handle_type fd, boost::int64_t file_offset, file::iovec_t const* bufs_in
@ -1841,12 +1839,6 @@ typedef struct _FILE_ALLOCATED_RANGE_BUFFER {
TORRENT_ASSERT(num_bufs > 0);
TORRENT_ASSERT(is_open());
#if TORRENT_USE_PREADV
TORRENT_UNUSED(flags);
int ret = iov(&::preadv, native_handle(), file_offset, bufs, num_bufs, ec);
#else
// there's no point in coalescing single buffer writes
if (num_bufs == 1)
{
@ -1863,7 +1855,9 @@ typedef struct _FILE_ALLOCATED_RANGE_BUFFER {
flags &= ~file::coalesce_buffers;
}
#if TORRENT_USE_PREAD
#if TORRENT_USE_PREADV
int ret = iov(&::preadv, native_handle(), file_offset, bufs, num_bufs, ec);
#elif TORRENT_USE_PREAD
int ret = iov(&::pread, native_handle(), file_offset, bufs, num_bufs, ec);
#else
int ret = iov(&::read, native_handle(), file_offset, bufs, num_bufs, ec);
@ -1873,7 +1867,6 @@ typedef struct _FILE_ALLOCATED_RANGE_BUFFER {
coalesce_read_buffers_end(orig_bufs, orig_num_bufs
, static_cast<char*>(tmp.iov_base), !ec);
#endif
return ret;
}
@ -1899,12 +1892,6 @@ typedef struct _FILE_ALLOCATED_RANGE_BUFFER {
ec.clear();
#if TORRENT_USE_PREADV
TORRENT_UNUSED(flags);
int ret = iov(&::pwritev, native_handle(), file_offset, bufs, num_bufs, ec);
#else
// there's no point in coalescing single buffer writes
if (num_bufs == 1)
{
@ -1919,7 +1906,9 @@ typedef struct _FILE_ALLOCATED_RANGE_BUFFER {
flags &= ~file::coalesce_buffers;
}
#if TORRENT_USE_PREAD
#if TORRENT_USE_PREADV
int ret = iov(&::pwritev, native_handle(), file_offset, bufs, num_bufs, ec);
#elif TORRENT_USE_PREAD
int ret = iov(&::pwrite, native_handle(), file_offset, bufs, num_bufs, ec);
#else
int ret = iov(&::write, native_handle(), file_offset, bufs, num_bufs, ec);
@ -1928,7 +1917,6 @@ typedef struct _FILE_ALLOCATED_RANGE_BUFFER {
if (flags & file::coalesce_buffers)
free(tmp.iov_base);
#endif
#if TORRENT_USE_FDATASYNC \
&& !defined F_NOCACHE && \
!defined DIRECTIO_ON