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Use memfd_create (Linux)

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This commit is contained in:
Nekotekina 2018-05-27 13:30:55 +03:00
parent 944e89058e
commit 1193ab0b89
1 changed files with 14 additions and 6 deletions
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20
Utilities/VirtualMemory.cpp
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@ -12,9 +12,17 @@
#include <sys/types.h>
#endif
#if 0
#ifdef __linux__
#include <sys/syscall.h>
static int memfd_create(const char *name, unsigned int flags)
#ifdef __NR_memfd_create
#elif __x86_64__
#define __NR_memfd_create 319
#elif __aarch64__
#define __NR_memfd_create 279
#endif
static int memfd_create_(const char *name, uint flags)
{
return syscall(__NR_memfd_create, name, flags);
}
@ -124,10 +132,10 @@ namespace utils
#ifdef _WIN32
m_handle = ::CreateFileMappingW(INVALID_HANDLE_VALUE, NULL, PAGE_EXECUTE_READWRITE, 0, m_size, NULL);
verify(HERE), m_handle != INVALID_HANDLE_VALUE;
//#elif __linux__
// m_file = ::memfd_create("", 0);
// verify(HERE), m_file >= 0;
// verify(HERE), ::ftruncate(m_file, m_size) >= 0;
#elif __linux__
m_file = ::memfd_create_("", 0);
verify(HERE), m_file >= 0;
verify(HERE), ::ftruncate(m_file, m_size) >= 0;
#else
while ((m_file = ::shm_open("/rpcs3-mem1", O_RDWR | O_CREAT | O_EXCL, S_IWUSR | S_IRUSR)) == -1)
{