commit bash-20210305 snapshot

include/posixtime.h

@@ -58,4 +58,33 @@ struct timeval
 extern int gettimeofday PARAMS((struct timeval *, void *));
 #endif
 
+/* These exist on BSD systems, at least. */
+#if !defined (timerclear)
+#  define timerclear(tvp)	do { (tvp)->tv_sec = 0; (tvp)->tv_usec = 0; } while (0)
+#endif
+#if !defined (timerisset)
+#  define timerisset(tvp)	((tvp)->tv_sec || (tvp)->tv_usec)
+#endif
+#if !defined (timercmp)
+#  define timercmp(a, b, CMP) \
+	(((a)->tv_sec == (b)->tv_sec) ? ((a)->tv_usec CMP (b)->tv_usec) \
+				      : ((a)->tv_sec CMP (b)->tv_sec))
+#endif
+
+/* These are non-standard. */
+#if !defined (timerunset)
+#  define timerunset(tvp)	((tvp)->tv_sec == 0 && (tvp)->tv_usec == 0)
+#endif
+#if !defined (timerset)
+#  define timerset(tvp, s, u)	do { tvp->tv_sec = s; tvp->tv_usec = u; } while (0)
+#endif
+
+#ifndef TIMEVAL_TO_TIMESPEC
+#  define TIMEVAL_TO_TIMESPEC(tv, ts) \
+  do { \
+    (ts)->tv_sec = (tv)->tv_sec; \
+    (ts)->tv_nsec = (tv)->tv_usec * 1000; \
+  } while (0)
+#endif
+
 #endif /* _POSIXTIME_H_ */

include/timer.h

@@ -46,6 +46,7 @@ typedef struct _shtimer
 #define SHTIMER_LONGJMP	0x04
 
 #define SHTIMER_SIGSET	0x100
+#define SHTIMER_ALRMSET	0x200
 
 extern sh_timer *shtimer_alloc (void);
 extern void shtimer_flush (sh_timer *);