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[android] fix memfd_create() issue

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Signed-off-by: lizzie <lizzie@eden-emu.dev>
This commit is contained in:
lizzie 2025-09-25 18:12:53 +00:00 • committed by crueter
parent 1a8a1c3621
commit 0aa04e9010
1 changed files with 3 additions and 2 deletions
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5
src/common/host_memory.cpp
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@ -439,10 +439,11 @@ static void* ChooseVirtualBase(size_t virtual_size) {
#endif
#if defined(__sun__) || defined(__HAIKU__) || defined(__NetBSD__) || defined(__DragonFly__)
#if defined(__sun__) || defined(__HAIKU__) || defined(__NetBSD__) || defined(__DragonFly__) || (defined(__ANDROID__) && __ANDROID_API__ <= 29)
/// Most Unices don't have a portable shm_open (AIX, OpenBSD, NetBSD, Solaris 11, OpenIndiana)
/// Portable implementation of shm_open(SHM_ANON, ...) - roughly equivalent but without
/// OS support - may fail sporadically, beware!
/// For example legacy android (ndk <= 29, aka. Android 10) doesn't have memfd_create()
static int shm_open_anon(int flags, mode_t mode) {
char name[16] = "/shm-";
char *const limit = name + sizeof(name) - 1;
@ -494,7 +495,7 @@ public:
ASSERT_MSG(page_size == 0x1000, "page size {:#x} is incompatible with 4K paging",
page_size);
// Backing memory initialization
#if defined(__sun__) || defined(__HAIKU__) || defined(__NetBSD__) || defined(__DragonFly__)
#if defined(__sun__) || defined(__HAIKU__) || defined(__NetBSD__) || defined(__DragonFly__) || (defined(__ANDROID__) && __ANDROID_API__ <= 29)
fd = shm_open_anon(O_RDWR | O_CREAT | O_EXCL | O_NOFOLLOW, 0600);
#elif defined(__OpenBSD__)
fd = shm_open_anon(O_RDWR | O_CREAT | O_EXCL | O_NOFOLLOW, 0600);