31 lines
1.5 KiB
C
31 lines
1.5 KiB
C
#ifdef _WIN32
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#include <windows.h>
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static int initializeMemoryPriority = 1;
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static MEMORY_PRIORITY_INFORMATION lowMemPriority;
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static MEMORY_PRIORITY_INFORMATION normalMemPriority;
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int lowerMemoryPriority(int priority) {
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if (initializeMemoryPriority) {
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GetThreadInformation(GetCurrentThread(), ThreadMemoryPriority, &normalMemPriority, sizeof(normalMemPriority));
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// fprintf(stderr, "initialized memory %u setting to %u\n", normalMemPriority.MemoryPriority, priority);
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ZeroMemory(&lowMemPriority, sizeof(lowMemPriority));
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lowMemPriority.MemoryPriority = priority;
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initializeMemoryPriority = 0;
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}
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return SetThreadInformation(GetCurrentThread(), ThreadMemoryPriority, &lowMemPriority, sizeof(lowMemPriority));
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}
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int setProcessMemoryPriority(int priority) {
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if (initializeMemoryPriority) {
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GetThreadInformation(GetCurrentThread(), ThreadMemoryPriority, &normalMemPriority, sizeof(normalMemPriority));
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// fprintf(stderr, "initialized memory %u setting to %u\n", normalMemPriority.MemoryPriority, priority);
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ZeroMemory(&lowMemPriority, sizeof(lowMemPriority));
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lowMemPriority.MemoryPriority = priority;
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initializeMemoryPriority = 0;
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}
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return SetProcessInformation(GetCurrentProcess(), ProcessMemoryPriority, &lowMemPriority, sizeof(lowMemPriority));
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}
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int restoreMemoryPriority() {
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return SetThreadInformation(GetCurrentThread(), ThreadMemoryPriority, &normalMemPriority, sizeof(normalMemPriority));
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}
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#endif |
