-i interval applies only after an exec

doc/trigger-listen.txt

@@ -52,7 +52,10 @@ Wait at least +_interval_+ seconds between executions of
 it receives a trigger pull within +_interval_+ seconds of the last
 execution, +trigger-listen+ executes +_prog_+ when
 +_interval_+
-seconds have elapsed.  The default value of +_interval_+ is 0.
+seconds have elapsed.  This will not delay the first execution of
++_prog_+, so if the first trigger pull is within +_interval_+
+seconds of startup +_prog_+ will execute immediately unless -1 was
+specified.  The default value of +_interval_+ is 0.
 
 +-g _gid_+::
 Switch group ID to +_gid_+ after preparing to receive trigger pulls.

src/.gitignore

@@ -0,0 +1,21 @@
+chkshsgr
+choose
+compile
+hasflock.h
+hasmkffo.h
+hassgact.h
+hassgprm.h
+hasshsgr.h
+haswaitp.h
+home
+iopause.h
+load
+makeinclude
+makelib
+makescrip
+select.h
+systype
+trigger-listen
+trigger-pull
+trigger-wait
+uint64.h

src/trigger-listen.c

@@ -193,12 +193,13 @@ int main(int argc,char * const *argv) {
     strerr_die2sys(111,FATAL,"unable to set uid: ");
 
   printstatus();
-  if (flag1) doit(argv);
-
   flagqueue = 0;
   taia_now(&resume);
-  taia_uint(&deadline,interval);
-  taia_add(&resume,&resume,&deadline);
+  if (flag1) {
+    doit(argv);
+    taia_uint(&deadline,interval);
+    taia_add(&resume,&resume,&deadline);
+  }
 
   for (;;) {
     sig_unblock(sig_child);