diff --git a/lib/glthread/thread.c b/lib/glthread/thread.c index d4e2921..5923ea2 100644 --- a/lib/glthread/thread.c +++ b/lib/glthread/thread.c @@ -33,7 +33,7 @@ #include -#ifdef PTW32_VERSION +#if defined PTW32_VERSION || defined __MVS__ const gl_thread_t gl_null_thread /* = { .p = NULL } */; diff --git a/lib/glthread/thread.h b/lib/glthread/thread.h index 2febe34..36a9521 100644 --- a/lib/glthread/thread.h +++ b/lib/glthread/thread.h @@ -172,6 +172,15 @@ typedef pthread_t gl_thread_t; # define gl_thread_self_pointer() \ (pthread_in_use () ? pthread_self ().p : NULL) extern const gl_thread_t gl_null_thread; +# elif defined __MVS__ + /* On IBM z/OS, pthread_t is a struct with an 8-byte '__' field. + The first three bytes of this field appear to uniquely identify a + pthread_t, though not necessarily representing a pointer. */ +# define gl_thread_self() \ + (pthread_in_use () ? pthread_self () : gl_null_thread) +# define gl_thread_self_pointer() \ + (pthread_in_use () ? *((void **) pthread_self ().__) : NULL) +extern const gl_thread_t gl_null_thread; # else # define gl_thread_self() \ (pthread_in_use () ? pthread_self () : (pthread_t) NULL)