Sha256: 124a7204331c35994c0f181e68cb4eebb03e7fe026b6ab69e50e3786816c4747
Contents?: true
Size: 1.48 KB
Versions: 76
Compression:
Stored size: 1.48 KB
Contents
#ifndef _RHOSYSTEM_H_
#define _RHOSYSTEM_H_
#include "RhoPort.h"
#if defined OS_LINUX || defined OS_FREEBSD || defined OS_MACOSX
#include <sys/syscall.h>
#endif
namespace rho{
namespace common{
class CSystem{
public:
CSystem(){}
static unsigned int getThreadID();
};
inline unsigned int CSystem::getThreadID(){
// On Linux and FreeBSD, we try to use gettid().
#if defined OS_LINUX || defined OS_FREEBSD || defined OS_MACOSX
#ifndef __NR_gettid
#ifdef OS_MACOSX
#define __NR_gettid SYS_gettid
#elif ! defined __i386__
#error "Must define __NR_gettid for non-x86 platforms"
#else
#define __NR_gettid 224
#endif
#endif
static bool lacks_gettid = false;
if (!lacks_gettid) {
pid_t tid = syscall(__NR_gettid);
if (tid != -1) {
return tid;
}
// Technically, this variable has to be volatile, but there is a small
// performance penalty in accessing volatile variables and there should
// not be any serious adverse effect if a thread does not immediately see
// the value change to "true".
lacks_gettid = true;
}
#endif // OS_LINUX || OS_FREEBSD
// If gettid() could not be used, we use one of the following.
#if defined OS_LINUX
return getpid(); // Linux: getpid returns thread ID when gettid is absent
#elif defined OS_WINDOWS || defined(OS_WINCE) || defined OS_CYGWIN
return GetCurrentThreadId();
#else
// If none of the techniques above worked, we use pthread_self().
return (pid_t)pthread_self();
#endif
}
}
}
#endif //_RHOFILEPATH_H_
Version data entries
76 entries across 76 versions & 1 rubygems