tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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Process.c (2911B)

      1 /***************************************************************************************************
      2 
      3  Zyan Core Library (Zycore-C)
      4 
      5  Original Author : Florian Bernd
      6 
      7 * Permission is hereby granted, free of charge, to any person obtaining a copy
      8 * of this software and associated documentation files (the "Software"), to deal
      9 * in the Software without restriction, including without limitation the rights
     10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     11 * copies of the Software, and to permit persons to whom the Software is
     12 * furnished to do so, subject to the following conditions:
     13 *
     14 * The above copyright notice and this permission notice shall be included in all
     15 * copies or substantial portions of the Software.
     16 *
     17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
     20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     23 * SOFTWARE.
     24 
     25 ***************************************************************************************************/
     26 
     27 #include "zydis/Zycore/Defines.h"
     28 #include "zydis/Zycore/API/Process.h"
     29 
     30 #ifndef ZYAN_NO_LIBC
     31 
     32 #if defined(ZYAN_WINDOWS)
     33 #if   defined(ZYAN_KERNEL)
     34 #      include <wdm.h>
     35 #else
     36 #      include <windows.h>
     37 #endif
     38 #elif defined(ZYAN_POSIX)
     39 #   include <sys/mman.h>
     40 #else
     41 #   error "Unsupported platform detected"
     42 #endif
     43 
     44 /* ============================================================================================== */
     45 /* Exported functions                                                                             */
     46 /* ============================================================================================== */
     47 
     48 /* ---------------------------------------------------------------------------------------------- */
     49 /* General                                                                                        */
     50 /* ---------------------------------------------------------------------------------------------- */
     51 
     52 ZyanStatus ZyanProcessFlushInstructionCache(void* address, ZyanUSize size)
     53 {
     54 #if   defined(ZYAN_WINDOWS)
     55 
     56    if (!FlushInstructionCache(GetCurrentProcess(), address, size))
     57    {
     58        return ZYAN_STATUS_BAD_SYSTEMCALL;
     59    }
     60 
     61 #elif defined(ZYAN_POSIX)
     62 
     63    if (msync(address, size, MS_SYNC | MS_INVALIDATE))
     64    {
     65        return ZYAN_STATUS_BAD_SYSTEMCALL;
     66    }
     67 
     68 #endif
     69 
     70    return ZYAN_STATUS_SUCCESS;
     71 }
     72 
     73 /* ---------------------------------------------------------------------------------------------- */
     74 
     75 /* ============================================================================================== */
     76 
     77 #endif /* ZYAN_NO_LIBC */