diff options
Diffstat (limited to 'src/include/k5-thread.h')
| -rw-r--r-- | src/include/k5-thread.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/include/k5-thread.h b/src/include/k5-thread.h index f9c39ef37..d693fea79 100644 --- a/src/include/k5-thread.h +++ b/src/include/k5-thread.h @@ -418,9 +418,14 @@ typedef struct { #define k5_pthread_assert_unlocked(M) (0) #define k5_pthread_assert_locked(M) (0) -#ifdef DEBUG_THREADS_SLOW +#if defined(DEBUG_THREADS_SLOW) && HAVE_SCHED_H && (HAVE_SCHED_YIELD || HAVE_PRAGMA_WEAK_REF) # include <sched.h> -# define MAYBE_SCHED_YIELD() ((void)sched_yield()) +# if !HAVE_SCHED_YIELD +# pragma weak sched_yield +# define MAYBE_SCHED_YIELD() ((void)((&sched_yield != NULL) ? sched_yield() : 0)) +# else +# define MAYBE_SCHED_YIELD() ((void)sched_yield()) +# endif #else # define MAYBE_SCHED_YIELD() ((void)0) #endif |