OFF_T offset; /**< offset in file of this chunk */
int32 len; /**< length of chunk of file */
uint32 sum1; /**< simple checksum */
+ int32 chain; /**< next hash-table collision */
short flags; /**< flag bits */
char sum2[SUM_LENGTH]; /**< checksum */
};
#define SUPPORT_HARD_LINKS 1
#endif
-#if defined HAVE_SIGACTION && defined HAVE_SIGPROCMASK
+#ifdef HAVE_SIGACTION
#define SIGACTION(n,h) sigact.sa_handler=(h), sigaction((n),&sigact,NULL)
#define signal(n,h) we_need_to_call_SIGACTION_not_signal(n,h)
#else