libsecurityd/lib/SharedMemoryCommon.h

   1 #ifndef __SHARED_MEMORY_COMMON__
   2 #define __SHARED_MEMORY_COMMON__
   3
   4
   5
   6 #include <sys/types.h>
   7
   8 const unsigned kSegmentSize = 4096;
   9 const unsigned kNumberOfSegments = 8;
  10 const unsigned kSharedMemoryPoolSize = kSegmentSize * kNumberOfSegments;
  11
  12 const unsigned kBytesWrittenOffset = 0;
  13 const unsigned kBytesWrittenLength = 4;
  14 const unsigned kPoolAvailableForData = kSharedMemoryPoolSize - kBytesWrittenLength;
  15
  16 typedef u_int32_t SegmentOffsetType;
  17
  18 #define SECURITY_MESSAGES_NAME "SecurityMessages"
  19
  20 #endif