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Add Thread#native_thread_id [Feature #17853]

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NARUSE, Yui 2021-05-22 21:36:27 +09:00
parent 88e3848fca
commit 46655156dc
5 changed files with 104 additions and 0 deletions
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37
thread_pthread.c
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@ -34,6 +34,9 @@
#if defined(__HAIKU__)
#include <kernel/OS.h>
#endif
#ifdef __linux__
#include <sys/syscall.h> /* for SYS_gettid */
#endif
#include <time.h>
#include <signal.h>
@ -659,11 +662,26 @@ Init_native_thread(rb_thread_t *th)
posix_signal(SIGVTALRM, null_func);
}
#ifdef RB_THREAD_T_HAS_NATIVE_ID
static int
get_native_thread_id(void)
{
#ifdef __linux__
return (int)syscall(SYS_gettid);
#elif defined(__FreeBSD__)
return pthread_getthreadid_np();
#endif
}
#endif
static void
native_thread_init(rb_thread_t *th)
{
native_thread_data_t *nd = &th->native_thread_data;
#ifdef RB_THREAD_T_HAS_NATIVE_ID
th->tid = get_native_thread_id();
#endif
#ifdef USE_UBF_LIST
list_node_init(&nd->node.ubf);
#endif
@ -1708,6 +1726,25 @@ native_set_another_thread_name(rb_nativethread_id_t thread_id, VALUE name)
#endif
}
static VALUE
native_thread_native_thread_id(rb_thread_t *target_th)
{
#if !defined(RB_THREAD_T_HAS_NATIVE_ID) && !defined(__APPLE__)
rb_notimplement();
#endif
#ifdef RB_THREAD_T_HAS_NATIVE_ID
int tid = target_th->tid;
if (tid == 0) return Qnil;
return INT2FIX(tid);
#elif defined(__APPLE__)
uint64_t tid;
int e = pthread_threadid_np(target_th->thread_id, &tid);
if (e != 0) rb_syserr_fail(e, "pthread_threadid_np");
return ULL2NUM((unsigned long long)tid);
#endif
}
static void
ubf_timer_invalidate(void)
{