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Add better error message for compiler when OOM happens

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This commit is contained in:
gingerBill
2022-02-18 16:24:08 +00:00
parent 4c62a32b04
commit cd89d8a3c4
1 changed files with 17 additions and 2 deletions
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src/common_memory.cpp
+17 -2
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@@ -139,6 +139,7 @@ struct PlatformMemoryBlock {
}; };
gb_global std::atomic<isize> global_platform_memory_total_usage;
gb_global PlatformMemoryBlock global_platform_memory_block_sentinel; gb_global PlatformMemoryBlock global_platform_memory_block_sentinel;
PlatformMemoryBlock *platform_virtual_memory_alloc(isize total_size); PlatformMemoryBlock *platform_virtual_memory_alloc(isize total_size);
@@ -158,10 +159,17 @@ void platform_virtual_memory_protect(void *memory, isize size);
PlatformMemoryBlock *platform_virtual_memory_alloc(isize total_size) { PlatformMemoryBlock *platform_virtual_memory_alloc(isize total_size) {
PlatformMemoryBlock *pmblock = (PlatformMemoryBlock *)VirtualAlloc(0, total_size, MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE); PlatformMemoryBlock *pmblock = (PlatformMemoryBlock *)VirtualAlloc(0, total_size, MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE);
GB_ASSERT_MSG(pmblock != nullptr, "Out of Virtual Memory, oh no..."); if (pmblock == nullptr) {
gb_printf_err("Out of Virtual memory, oh no...\n");
gb_printf_err("Requested: %lld bytes\n", cast(long long)total_size);
gb_printf_err("Total Usage: %lld bytes\n", cast(long long)global_platform_memory_total_usage);
GB_ASSERT_MSG(pmblock != nullptr, "Out of Virtual Memory, oh no...");
}
global_platform_memory_total_usage += total_size;
return pmblock; return pmblock;
} }
void platform_virtual_memory_free(PlatformMemoryBlock *block) { void platform_virtual_memory_free(PlatformMemoryBlock *block) {
global_platform_memory_total_usage -= block->total_size;
GB_ASSERT(VirtualFree(block, 0, MEM_RELEASE)); GB_ASSERT(VirtualFree(block, 0, MEM_RELEASE));
} }
void platform_virtual_memory_protect(void *memory, isize size) { void platform_virtual_memory_protect(void *memory, isize size) {
@@ -180,11 +188,18 @@ void platform_virtual_memory_protect(void *memory, isize size);
PlatformMemoryBlock *platform_virtual_memory_alloc(isize total_size) { PlatformMemoryBlock *platform_virtual_memory_alloc(isize total_size) {
PlatformMemoryBlock *pmblock = (PlatformMemoryBlock *)mmap(nullptr, total_size, PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0); PlatformMemoryBlock *pmblock = (PlatformMemoryBlock *)mmap(nullptr, total_size, PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
GB_ASSERT_MSG(pmblock != nullptr, "Out of Virtual Memory, oh no..."); if (pmblock == nullptr) {
gb_printf_err("Out of Virtual memory, oh no...\n");
gb_printf_err("Requested: %lld bytes\n", cast(long long)total_size);
gb_printf_err("Total Usage: %lld bytes\n", cast(long long)global_platform_memory_total_usage);
GB_ASSERT_MSG(pmblock != nullptr, "Out of Virtual Memory, oh no...");
}
global_platform_memory_total_usage += total_size;
return pmblock; return pmblock;
} }
void platform_virtual_memory_free(PlatformMemoryBlock *block) { void platform_virtual_memory_free(PlatformMemoryBlock *block) {
isize size = block->total_size; isize size = block->total_size;
global_platform_memory_total_usage -= size;
munmap(block, size); munmap(block, size);
} }
void platform_virtual_memory_protect(void *memory, isize size) { void platform_virtual_memory_protect(void *memory, isize size) {