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@ -439,11 +439,10 @@ static void* ChooseVirtualBase(size_t virtual_size) { |
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#endif
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#if defined(__sun__) || defined(__HAIKU__) || defined(__NetBSD__) || defined(__DragonFly__) || (defined(__ANDROID__) && __ANDROID_API__ <= 29)
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#if defined(__sun__) || defined(__HAIKU__) || defined(__NetBSD__) || defined(__DragonFly__)
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/// Most Unices don't have a portable shm_open (AIX, OpenBSD, NetBSD, Solaris 11, OpenIndiana)
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/// Portable implementation of shm_open(SHM_ANON, ...) - roughly equivalent but without
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/// OS support - may fail sporadically, beware!
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/// For example legacy android (ndk <= 29, aka. Android 10) doesn't have memfd_create()
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static int shm_open_anon(int flags, mode_t mode) { |
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char name[16] = "/shm-"; |
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char *const limit = name + sizeof(name) - 1; |
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@ -495,15 +494,16 @@ public: |
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ASSERT_MSG(page_size == 0x1000, "page size {:#x} is incompatible with 4K paging", |
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page_size); |
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// Backing memory initialization
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#if defined(__sun__) || defined(__HAIKU__) || defined(__NetBSD__) || defined(__DragonFly__) || (defined(__ANDROID__) && __ANDROID_API__ <= 29)
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#if defined(__sun__) || defined(__HAIKU__) || defined(__NetBSD__) || defined(__DragonFly__)
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fd = shm_open_anon(O_RDWR | O_CREAT | O_EXCL | O_NOFOLLOW, 0600); |
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#elif defined(__OpenBSD__)
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fd = shm_open_anon(O_RDWR | O_CREAT | O_EXCL | O_NOFOLLOW, 0600); |
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#elif defined(__FreeBSD__) && __FreeBSD__ < 13
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// XXX Drop after FreeBSD 12.* reaches EOL on 2024-06-30
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fd = shm_open(SHM_ANON, O_RDWR, 0600); |
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#elif defined(__APPLE__)
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#elif defined(__APPLE__) || defined(__ANDROID__)
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// macOS doesn't have memfd_create, use anonymous temporary file
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/// For example legacy android (ndk <= 29, aka. Android 10) doesn't have memfd_create()
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char template_path[] = "/tmp/eden_mem_XXXXXX"; |
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fd = mkstemp(template_path); |
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if (fd >= 0) { |
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