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common: host_memory: Implement for Android.

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This commit is contained in:
bunnei 2022-12-17 23:29:15 -08:00
parent e6d5dbb58e
commit afdee9abea
1 changed files with 10 additions and 2 deletions
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12
src/common/host_memory.cpp
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@ -11,6 +11,10 @@
#elif defined(__linux__) || defined(__FreeBSD__) // ^^^ Windows ^^^ vvv Linux vvv
#ifdef ANDROID
#include <android/sharedmem.h>
#endif
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
@ -366,17 +370,20 @@ public:
}
// Backing memory initialization
#if defined(__FreeBSD__) && __FreeBSD__ < 13
#ifdef ANDROID
fd = ASharedMemory_create("HostMemory", backing_size);
#elif defined(__FreeBSD__) && __FreeBSD__ < 13
// XXX Drop after FreeBSD 12.* reaches EOL on 2024-06-30
fd = shm_open(SHM_ANON, O_RDWR, 0600);
#else
fd = memfd_create("HostMemory", 0);
#endif
if (fd == -1) {
if (fd < 0) {
LOG_CRITICAL(HW_Memory, "memfd_create failed: {}", strerror(errno));
throw std::bad_alloc{};
}
#ifndef ANDROID
// Defined to extend the file with zeros
int ret = ftruncate(fd, backing_size);
if (ret != 0) {
@ -384,6 +391,7 @@ public:
strerror(errno));
throw std::bad_alloc{};
}
#endif
backing_base = static_cast<u8*>(
mmap(nullptr, backing_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0));