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Merge pull request #4 from CoreRC/master
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Add macOS support
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ybainier committed Oct 24, 2018
2 parents 59b4e45 + 65323ef commit 29d8069
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Showing 4 changed files with 160 additions and 2 deletions.
5 changes: 5 additions & 0 deletions Disruptor/BuildConfig.h
Original file line number Diff line number Diff line change
Expand Up @@ -62,6 +62,11 @@
# define DISRUPTOR_OS_FAMILY_WINDOWS
#else
# define DISRUPTOR_OS_FAMILY_UNIX
# ifdef __APPLE__
# define DISRUPTOR_OS_FAMILY_MACOS
# else
# define DISRUPTOR_OS_FAMILY_LINUX
# endif
#endif

#ifdef _DEBUG
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4 changes: 3 additions & 1 deletion Disruptor/CMakeLists.txt
Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
project(Disruptor)
cmake_minimum_required(VERSION 2.6)

find_package(Boost COMPONENTS system)
find_package(Boost COMPONENTS system thread chrono)
if(Boost_FOUND)
include_directories(${Boost_INCLUDE_DIRS})
link_directories(${Boost_LIBRARY_DIRS})
Expand All @@ -27,6 +27,7 @@ set(Disruptor_sources
stdafx.cpp
ThreadPerTaskScheduler.cpp
ThreadHelper_Linux.cpp
ThreadHelper_macOS.cpp
ThreadHelper_Windows.cpp
TimeoutBlockingWaitStrategy.cpp
TypeInfo.cpp
Expand Down Expand Up @@ -114,6 +115,7 @@ set(Disruptor_headers
)

add_library(DisruptorShared SHARED ${Disruptor_sources})
target_link_libraries(DisruptorShared ${Boost_LIBRARIES})
set_target_properties(DisruptorShared PROPERTIES OUTPUT_NAME Disruptor)
set_target_properties(DisruptorShared PROPERTIES VERSION ${DISRUPTOR_VERSION})
set_target_properties(DisruptorShared PROPERTIES SOVERSION ${DISRUPTOR_VERSION_MAJOR})
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2 changes: 1 addition & 1 deletion Disruptor/ThreadHelper_Linux.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@

#include "BuildConfig.h"

#ifdef DISRUPTOR_OS_FAMILY_UNIX
#ifdef DISRUPTOR_OS_FAMILY_LINUX

#include <string>

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151 changes: 151 additions & 0 deletions Disruptor/ThreadHelper_macOS.cpp
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@@ -0,0 +1,151 @@
#include "stdafx.h"
#include "ThreadHelper.h"

#include "BuildConfig.h"

#ifdef DISRUPTOR_OS_FAMILY_MACOS

#include <string>

#include <pthread.h>
#include <unistd.h>
#include <sched.h>
#include <cpuid.h>
#include <sys/sysctl.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <mach/mach_types.h>
#include <mach/thread_act.h>

#define SYSCTL_CORE_COUNT "machdep.cpu.core_count"

#define CPUID(INFO, LEAF, SUBLEAF) __cpuid_count(LEAF, SUBLEAF, INFO[0], INFO[1], INFO[2], INFO[3])

#define GETCPU(CPU) { \
uint32_t CPUInfo[4]; \
CPUID(CPUInfo, 1, 0); \
/* CPUInfo[1] is EBX, bits 24-31 are APIC ID */ \
if ( (CPUInfo[3] & (1 << 9)) == 0) { \
(CPU) = -1; /* no APIC on chip */ \
} \
else { \
(CPU) = (unsigned)CPUInfo[1] >> 24; \
} \
if ((CPU) < 0) (CPU) = 0; \
}

namespace Disruptor
{
namespace ThreadHelper
{
typedef struct cpu_set {
uint32_t count;
} cpu_set_t;

static inline void CPU_ZERO(cpu_set_t *cs) { cs->count = 0; }

static inline void CPU_SET(int num, cpu_set_t *cs) { cs->count |= (1 << num); }

static inline int CPU_ISSET(int num, cpu_set_t *cs) { return (cs->count & (1 << num)); }

int sched_getaffinity(pid_t pid, size_t cpu_size, cpu_set_t *cpu_set)
{
(void) pid;
(void) cpu_size;

int32_t core_count = 0;
size_t len = sizeof(core_count);
int ret = sysctlbyname(SYSCTL_CORE_COUNT, &core_count, &len, 0, 0);
if (ret) {
return -1;
}
cpu_set->count = 0;
for (int i = 0; i < core_count; i++) {
cpu_set->count |= (1 << i);
}

return 0;
}

int pthread_setaffinity_np(pthread_t thread, size_t cpu_size,
cpu_set_t *cpu_set)
{
thread_port_t mach_thread;
int core = 0;

for (core = 0; core < 8 * (int)cpu_size; core++) {
if (CPU_ISSET(core, cpu_set)) break;
}

thread_affinity_policy_data_t policy = { core };
mach_thread = pthread_mach_thread_np(thread);
thread_policy_set(mach_thread, THREAD_AFFINITY_POLICY,
(thread_policy_t)&policy, 1);
return 0;
}


size_t getProcessorCount()
{
return static_cast<size_t>(sysconf(_SC_NPROCESSORS_CONF));
}

uint32_t getCurrentProcessor()
{
uint32_t cpu_id;

GETCPU(cpu_id);

return cpu_id;
}

bool setThreadAffinity(const AffinityMask& mask)
{
cpu_set_t cpuSet;
CPU_ZERO(&cpuSet);

for (size_t i = 0; i < mask.size(); ++i)
{
if (mask.test(i))
CPU_SET(i, &cpuSet);
}

return pthread_setaffinity_np(pthread_self(), sizeof(cpuSet), &cpuSet) == 0;
}

AffinityMask getThreadAffinity()
{
AffinityMask mask;

cpu_set_t cpuSet;
CPU_ZERO(&cpuSet);
if (sched_getaffinity(0, sizeof(cpuSet), &cpuSet) == 0)
{
int processorCount = getProcessorCount();
int maskSize = (int) mask.size();
for (int i = 0; i < processorCount && i < maskSize; ++i)
{
if (CPU_ISSET(i, &cpuSet))
mask.set(i);
}
}

return mask;
}

uint32_t getCurrentThreadId()
{
uint64_t result;
pthread_threadid_np(NULL, &result);
return (uint32_t) result;
}

void setThreadName(const std::string& name)
{
pthread_setname_np(name.c_str());
}

} // namespace ThreadHelper
} // namespace Disruptor

#endif // DISRUPTOR_OS_FAMILY_UNIX

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