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Merge pull request #52 from lioncash/memory

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Common: Correctly set ptr to null if mmap fails in memory_util
This commit is contained in:
bunnei 2014-08-17 20:38:28 -04:00
parent 3cd5ede355 cc9f352b66
commit 68c81f28d9
1 changed files with 9 additions and 6 deletions
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15
src/common/memory_util.cpp
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@ -51,14 +51,14 @@ void* AllocateExecutableMemory(size_t size, bool low)
// printf("Mapped executable memory at %p (size %ld)\n", ptr, // printf("Mapped executable memory at %p (size %ld)\n", ptr,
// (unsigned long)size); // (unsigned long)size);
#if defined(__FreeBSD__) #ifdef _WIN32
if (ptr == nullptr)
{
#else
if (ptr == MAP_FAILED) if (ptr == MAP_FAILED)
{ {
ptr = NULL; ptr = nullptr;
#else #endif
if (ptr == NULL)
{
#endif
PanicAlert("Failed to allocate executable memory"); PanicAlert("Failed to allocate executable memory");
} }
#if !defined(_WIN32) && defined(__x86_64__) && !defined(MAP_32BIT) #if !defined(_WIN32) && defined(__x86_64__) && !defined(MAP_32BIT)
@ -88,6 +88,9 @@ void* AllocateMemoryPages(size_t size)
#else #else
void* ptr = mmap(0, size, PROT_READ | PROT_WRITE, void* ptr = mmap(0, size, PROT_READ | PROT_WRITE,
MAP_ANON | MAP_PRIVATE, -1, 0); MAP_ANON | MAP_PRIVATE, -1, 0);
if (ptr == MAP_FAILED)
ptr = nullptr;
#endif #endif
// printf("Mapped memory at %p (size %ld)\n", ptr, // printf("Mapped memory at %p (size %ld)\n", ptr,