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7161732: Improve handling of thread_id in OSThread

Browse source 
Reviewed-by: dholmes, kamg
This commit is contained in:
Rickard Bäckman 2012-05-22 10:11:53 +02:00
parent 5ea3d5b1ea
commit be3945d9ff
11 changed files with 44 additions and 99 deletions
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54
hotspot/src/os/bsd/vm/osThread_bsd.hpp
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@ -42,26 +42,19 @@
#ifdef _ALLBSD_SOURCE
#ifdef __APPLE__
thread_t _thread_id;
typedef thread_t thread_id_t;
#else
pthread_t _thread_id;
typedef pthread_t thread_id_t;
#endif
#else
typedef pid_t thread_id_t;
#endif
// _pthread_id is the pthread id, which is used by library calls
// (e.g. pthread_kill).
pthread_t _pthread_id;
#else
// _thread_id is kernel thread id (similar to LWP id on Solaris). Each
// thread has a unique thread_id (BsdThreads or NPTL). It can be used
// to access /proc.
pid_t _thread_id;
// _pthread_id is the pthread id, which is used by library calls
// (e.g. pthread_kill).
pthread_t _pthread_id;
#endif
sigset_t _caller_sigmask; // Caller's signal mask
public:
@ -70,28 +63,11 @@
sigset_t caller_sigmask() const { return _caller_sigmask; }
void set_caller_sigmask(sigset_t sigmask) { _caller_sigmask = sigmask; }
#ifdef _ALLBSD_SOURCE
#ifdef __APPLE__
static size_t thread_id_size() { return sizeof(thread_t); }
thread_t thread_id() const {
return _thread_id;
}
#else
static size_t thread_id_size() { return sizeof(pthread_t); }
pthread_t thread_id() const {
return _thread_id;
}
#endif
#else
static size_t thread_id_size() { return sizeof(pid_t); }
pid_t thread_id() const {
return _thread_id;
}
#endif
#ifndef PRODUCT
// Used for debugging, return a unique integer for each thread.
intptr_t thread_identifier() const { return (intptr_t)_pthread_id; }
#endif
#ifdef ASSERT
// We expect no reposition failures so kill vm if we get one.
//
@ -99,21 +75,7 @@
return false;
}
#endif // ASSERT
#ifdef _ALLBSD_SOURCE
#ifdef __APPLE__
void set_thread_id(thread_t id) {
_thread_id = id;
}
#else
void set_thread_id(pthread_t id) {
_thread_id = id;
}
#endif
#else
void set_thread_id(pid_t id) {
_thread_id = id;
}
#endif
pthread_t pthread_id() const {
return _pthread_id;
}