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Fix build for Android API < 21 #312

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merged 1 commit into from
Oct 31, 2019
Merged

Fix build for Android API < 21 #312

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5 changes: 5 additions & 0 deletions src/logging.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -1124,8 +1124,13 @@ void LogFileObject::Write(bool force_flush,
uint32 this_drop_length = total_drop_length - dropped_mem_length_;
if (this_drop_length >= (2 << 20)) {
// Only advise when >= 2MiB to drop
# if defined(__ANDROID__) && defined(__ANDROID_API__) && (__ANDROID_API__ < 21)
// 'posix_fadvise' introduced in API 21:
// * https://android.googlesource.com/platform/bionic/+/6880f936173081297be0dc12f687d341b86a4cfa/libc/libc.map.txt#732
# else
posix_fadvise(fileno(file_), dropped_mem_length_, this_drop_length,
POSIX_FADV_DONTNEED);
# endif
dropped_mem_length_ = total_drop_length;
}
}
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