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fix warnings of unused return values from ftruncate() calls

This commit is contained in:
arvidn 2016-07-31 03:19:31 -04:00
parent 633d0621f8
commit 192559f245
1 changed files with 8 additions and 4 deletions
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12
src/disk_buffer_pool.cpp
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@ -123,7 +123,8 @@ namespace libtorrent
m_cache_pool = 0;
// attempt to make MacOS not flush this to disk, making close()
// block for a long time
ftruncate(m_cache_fd, 0);
int const best_effort = ftruncate(m_cache_fd, 0);
TORRENT_UNUSED(best_effort);
close(m_cache_fd);
m_cache_fd = -1;
}
@ -460,7 +461,8 @@ namespace libtorrent
m_cache_pool = 0;
// attempt to make MacOS not flush this to disk, making close()
// block for a long time
ftruncate(m_cache_fd, 0);
int const best_effort = ftruncate(m_cache_fd, 0);
TORRENT_UNUSED(best_effort);
close(m_cache_fd);
m_cache_fd = -1;
std::vector<int>().swap(m_free_list);
@ -482,7 +484,8 @@ namespace libtorrent
#ifndef MAP_NOCACHE
#define MAP_NOCACHE 0
#endif
ftruncate(m_cache_fd, boost::uint64_t(m_max_use) * 0x4000);
int const best_effort = ftruncate(m_cache_fd, boost::uint64_t(m_max_use) * 0x4000);
TORRENT_UNUSED(best_effort);
m_cache_pool = static_cast<char*>(mmap(0, boost::uint64_t(m_max_use) * 0x4000, PROT_READ | PROT_WRITE
, MAP_SHARED | MAP_NOCACHE, m_cache_fd, 0));
if (intptr_t(m_cache_pool) == -1)
@ -492,7 +495,8 @@ namespace libtorrent
m_cache_pool = 0;
// attempt to make MacOS not flush this to disk, making close()
// block for a long time
ftruncate(m_cache_fd, 0);
int const best_effort = ftruncate(m_cache_fd, 0);
TORRENT_UNUSED(best_effort);
close(m_cache_fd);
m_cache_fd = -1;
}