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Support old Mac OS X

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`pthread_threadid_np` is available since Mac OS X 10.6, use
`pthread_mach_thread_np` on older systems.
This commit is contained in:
Nobuyoshi Nakada 2022-05-23 11:04:42 +09:00
parent 218e8bdcb0
commit 9134e76140
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GPG Key ID: 7CD2805BFA3770C6
1 changed files with 8 additions and 0 deletions
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8
thread_pthread.c
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@ -40,6 +40,10 @@
#include <time.h> #include <time.h>
#include <signal.h> #include <signal.h>
#if defined __APPLE__
# include <AvailabilityMacros.h>
#endif
#if defined(HAVE_SYS_EVENTFD_H) && defined(HAVE_EVENTFD) #if defined(HAVE_SYS_EVENTFD_H) && defined(HAVE_EVENTFD)
# define USE_EVENTFD (1) # define USE_EVENTFD (1)
# include <sys/eventfd.h> # include <sys/eventfd.h>
@ -1766,6 +1770,10 @@ native_thread_native_thread_id(rb_thread_t *target_th)
return INT2FIX(tid); return INT2FIX(tid);
#elif defined(__APPLE__) #elif defined(__APPLE__)
uint64_t tid; uint64_t tid;
if (MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_6 ||
!&pthread_threadid_np /* check weakly linked symbol */) {
return ULL2NUM(pthread_mach_thread_np(pthread_self()));
}
int e = pthread_threadid_np(target_th->nt->thread_id, &tid); int e = pthread_threadid_np(target_th->nt->thread_id, &tid);
if (e != 0) rb_syserr_fail(e, "pthread_threadid_np"); if (e != 0) rb_syserr_fail(e, "pthread_threadid_np");
return ULL2NUM((unsigned long long)tid); return ULL2NUM((unsigned long long)tid);