diff options
Diffstat (limited to 'thread.c')
-rw-r--r-- | thread.c | 16 |
1 files changed, 13 insertions, 3 deletions
@@ -912,10 +912,20 @@ thread_value(VALUE self) * Thread Scheduling */ +/* + * The type of tv_sec in struct timeval is time_t in POSIX. + * But several systems violates POSIX. + * + * OpenBSD 5.2 (amd64): + * time_t: int (signed 32bit integer) + * tv_sec: long (signed 64bit integer) + */ + #if SIGNEDNESS_OF_TIME_T < 0 /* signed */ -# define TIMEVAL_SEC_MAX_P1 (((unsigned_time_t)1) << (sizeof(TYPEOF_TIMEVAL_TV_SEC) * CHAR_BIT - 1)) -# define TIMEVAL_SEC_MAX ((TYPEOF_TIMEVAL_TV_SEC)(TIMEVAL_SEC_MAX_P1 - 1)) -# define TIMEVAL_SEC_MIN ((TYPEOF_TIMEVAL_TV_SEC)TIMEVAL_SEC_MAX_P1) +# define TIMEVAL_SEC_MAXBIT \ + (((TYPEOF_TIMEVAL_TV_SEC)1) << (sizeof(TYPEOF_TIMEVAL_TV_SEC) * CHAR_BIT - 2)) +# define TIMEVAL_SEC_MAX (TIMEVAL_SEC_MAXBIT | (TIMEVAL_SEC_MAXBIT-1)) +# define TIMEVAL_SEC_MIN (-TIMEVAL_SEC_MAX-1) #elif SIGNEDNESS_OF_TIME_T > 0 /* unsigned */ # define TIMEVAL_SEC_MAX ((TYPEOF_TIMEVAL_TV_SEC)(~(unsigned_time_t)0)) # define TIMEVAL_SEC_MIN ((TYPEOF_TIMEVAL_TV_SEC)0) |