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Port changes from SolidPP

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This commit is contained in:
doylet
2025-11-30 21:33:46 +11:00
parent 38c0e7dda0
commit 54d4547e5f
14 changed files with 476 additions and 253 deletions
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Source/OS/dn_os_posix.cpp
+18 -1
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@@ -28,6 +28,10 @@ static DN_U32 DN_OS_MemConvertPageToOSFlags_(DN_U32 protect)
DN_API void *DN_OS_MemReserve(DN_USize size, DN_MemCommit commit, DN_U32 page_flags)
{
#if defined(DN_PLATFORM_EMSCRIPTEN)
DN_InvalidCodePathF("Emscripten does not support virtual memory, you should use DN_OS_MemAlloc");
#endif
unsigned long os_page_flags = DN_OS_MemConvertPageToOSFlags_(page_flags);
if (commit == DN_MemCommit_Yes)
@@ -43,6 +47,9 @@ DN_API void *DN_OS_MemReserve(DN_USize size, DN_MemCommit commit, DN_U32 page_fl
DN_API bool DN_OS_MemCommit(void *ptr, DN_USize size, DN_U32 page_flags)
{
#if defined(DN_PLATFORM_EMSCRIPTEN)
DN_InvalidCodePathF("Emscripten does not support virtual memory");
#endif
bool result = false;
if (!ptr || size == 0)
return false;
@@ -56,17 +63,26 @@ DN_API bool DN_OS_MemCommit(void *ptr, DN_USize size, DN_U32 page_flags)
DN_API void DN_OS_MemDecommit(void *ptr, DN_USize size)
{
#if defined(DN_PLATFORM_EMSCRIPTEN)
DN_InvalidCodePathF("Emscripten does not support virtual memory");
#endif
mprotect(ptr, size, PROT_NONE);
madvise(ptr, size, MADV_FREE);
}
DN_API void DN_OS_MemRelease(void *ptr, DN_USize size)
{
#if defined(DN_PLATFORM_EMSCRIPTEN)
DN_InvalidCodePathF("Emscripten does not support virtual memory");
#endif
munmap(ptr, size);
}
DN_API int DN_OS_MemProtect(void *ptr, DN_USize size, DN_U32 page_flags)
{
#if defined(DN_PLATFORM_EMSCRIPTEN)
DN_InvalidCodePathF("Emscripten does not support virtual memory");
#endif
if (!ptr || size == 0)
return 0;
@@ -151,7 +167,8 @@ DN_API DN_U64 DN_OS_DateUnixTimeSFromLocalDate(DN_Date date)
DN_API DN_U64 DN_OS_DateLocalUnixTimeSFromUnixTimeS(DN_U64 unix_ts_s)
{
struct tm tm_local;
void *ret = localtime_r(&unix_ts_s, &tm_local);
time_t unix_ts = unix_ts_s;
void *ret = localtime_r(&unix_ts, &tm_local);
DN_Assert(ret);
long local_offset_seconds = tm_local.tm_gmtoff;