27 lines
630 B
C++
27 lines
630 B
C++
#include "memory.h"
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#include <sys/mman.h>
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#include <errno.h>
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#include <stdexcept>
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#include <cpp-utils/logging/logging.h>
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using namespace cpputils::logging;
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namespace cpputils {
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DontSwapMemoryRAII::DontSwapMemoryRAII(const void *addr, size_t len)
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: addr_(addr), len_(len) {
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const int result = ::mlock(addr_, len_);
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if (0 != result) {
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throw std::runtime_error("Error calling mlock. Errno: " + std::to_string(errno));
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}
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}
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DontSwapMemoryRAII::~DontSwapMemoryRAII() {
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const int result = ::munlock(addr_, len_);
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if (0 != result) {
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LOG(WARN, "Error calling munlock. Errno: {}", errno);
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}
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}
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}
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