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build-macos: fix macOS HostMemory alloc

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This commit is contained in:
sguo35
2022-03-28 23:08:03 -07:00
parent 7eaf96eda4
commit 8aecf77d77
1 changed files with 7 additions and 2 deletions
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9
src/common/host_memory.cpp
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@@ -10,7 +10,7 @@
#include <windows.h>
#include "common/dynamic_library.h"
#elif defined(__linux__) || defined(__FreeBSD__) // ^^^ Windows ^^^ vvv Linux vvv
#elif defined(__linux__) || defined(__FreeBSD__) || defined(__APPLE__) // ^^^ Windows ^^^ vvv Linux vvv
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
@@ -347,13 +347,14 @@ private:
std::unordered_map<size_t, size_t> placeholder_host_pointers; ///< Placeholder backing offset
};
#elif defined(__linux__) || defined(__FreeBSD__) // ^^^ Windows ^^^ vvv Linux vvv
#elif defined(__linux__) || defined(__FreeBSD__) || defined(__APPLE__) // ^^^ Windows ^^^ vvv Linux vvv
class HostMemory::Impl {
public:
explicit Impl(size_t backing_size_, size_t virtual_size_)
: backing_size{backing_size_}, virtual_size{virtual_size_} {
bool good = false;
SCOPE_EXIT({
if (!good) {
Release();
@@ -364,6 +365,10 @@ public:
#if defined(__FreeBSD__) && __FreeBSD__ < 13
// XXX Drop after FreeBSD 12.* reaches EOL on 2024-06-30
fd = shm_open(SHM_ANON, O_RDWR, 0600);
#elif defined(__APPLE__)
// Hack since macOS doesn't have SHM_ANON or memfd_create
fd = shm_open("HostMemory", O_RDWR | O_CREAT);
shm_unlink("HostMemory");
#else
fd = memfd_create("HostMemory", 0);
#endif