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add gestaltOSAttr support for multifinder/temp memory

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This commit is contained in:
Kelvin Sherlock 2015-02-28 12:00:04 -05:00
parent de50c3d796
commit 97f7e734bb
1 changed files with 39 additions and 0 deletions
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39
toolbox/os_gestalt.cpp
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@ -32,6 +32,7 @@
#include <deque>
#include <string>
#include <map>
#include <type_traits>
#include <sys/xattr.h>
#include <sys/stat.h>
@ -55,6 +56,8 @@
using ToolBox::Log;
#define FOUR_CHAR_CODE(x) x
namespace OS {
enum
@ -65,9 +68,45 @@ namespace OS {
gestaltLocationErr = -5553,
};
enum {
gestaltOSAttr = FOUR_CHAR_CODE('os '), /* o/s attributes */
gestaltSysZoneGrowable = 0, /* system heap is growable */
gestaltLaunchCanReturn = 1, /* can return from launch */
gestaltLaunchFullFileSpec = 2, /* can launch from full file spec */
gestaltLaunchControl = 3, /* launch control support available */
gestaltTempMemSupport = 4, /* temp memory support */
gestaltRealTempMemory = 5, /* temp memory handles are real */
gestaltTempMemTracked = 6, /* temporary memory handles are tracked */
gestaltIPCSupport = 7, /* IPC support is present */
gestaltSysDebuggerSupport = 8, /* system debugger support is present */
gestaltNativeProcessMgrBit = 19 /* the process manager itself is native */
};
template<unsigned...>
struct make_bitmask;
template<>
struct make_bitmask<> : public std::integral_constant<uint32_t, 0>
{};
template<unsigned First, unsigned... Rest>
struct make_bitmask<First, Rest...> :
public std::integral_constant<uint32_t, (1 << First) | make_bitmask<Rest...>::value >
{};
std::map<uint32_t, uint32_t> GestaltMap = {
{'alis', 1}, // Alias Manager
{'tmgr', 2}, // Time Manager (2 = revised, 3 = extended.)
{
// enable temp memory for codewarrior
gestaltOSAttr,
make_bitmask<gestaltTempMemSupport, gestaltRealTempMemory, gestaltTempMemTracked>::value
},
};
uint16_t Gestalt(uint16_t trap)