* Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE.
/* ---------------------------------------------------------------------------------------------- */ /* General */ /* ---------------------------------------------------------------------------------------------- */
/** * Returns the system page size. * * @return The system page size.
*/
ZYCORE_EXPORT ZyanU32 ZyanMemoryGetSystemPageSize(void);
/** * Returns the system allocation granularity. * * The system allocation granularity specifies the minimum amount of bytes which can be allocated * at a specific address by a single call of `ZyanMemoryVirtualAlloc`. * * This value is typically 64KiB on Windows systems and equal to the page size on most POSIX * platforms. * * @return The system allocation granularity.
*/
ZYCORE_EXPORT ZyanU32 ZyanMemoryGetSystemAllocationGranularity(void);
/** * Changes the memory protection value of one or more pages. * * @param address The start address aligned to a page boundary. * @param size The size. * @param protection The new page protection value. * * @return A zyan status code.
*/
ZYCORE_EXPORT ZyanStatus ZyanMemoryVirtualProtect(void* address, ZyanUSize size,
ZyanMemoryPageProtection protection);
/** * Releases one or more memory pages starting at the given address. * * @param address The start address aligned to a page boundary. * @param size The size. * * @return A zyan status code.
*/
ZYCORE_EXPORT ZyanStatus ZyanMemoryVirtualFree(void* address, ZyanUSize size);
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