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#include "scoped.hh" |
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#include <cstdlib> |
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#if !defined(_WIN32) && !defined(_WIN64) |
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#include <sys/mman.h> |
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#endif |
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namespace util { |
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MallocException::MallocException(std::size_t requested) throw() { |
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*this << "for " << requested << " bytes "; |
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} |
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MallocException::~MallocException() throw() {} |
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namespace { |
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void *InspectAddr(void *addr, std::size_t requested, const char *func_name) { |
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UTIL_THROW_IF_ARG(!addr && requested, MallocException, (requested), "in " << func_name); |
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return addr; |
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} |
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} |
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void *MallocOrThrow(std::size_t requested) { |
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return InspectAddr(std::malloc(requested), requested, "malloc"); |
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} |
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void *CallocOrThrow(std::size_t requested) { |
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return InspectAddr(std::calloc(requested, 1), requested, "calloc"); |
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} |
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void scoped_malloc::call_realloc(std::size_t requested) { |
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p_ = InspectAddr(std::realloc(p_, requested), requested, "realloc"); |
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} |
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void AdviseHugePages(const void *addr, std::size_t size) { |
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#if MADV_HUGEPAGE |
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madvise((void*)addr, size, MADV_HUGEPAGE); |
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#endif |
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} |
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} |
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