From 3da1891778735b0d24254f0f7a577c7b0e57c114 Mon Sep 17 00:00:00 2001
From: Bruno Raoult <braoult@gmail.com>
Date: Wed, 27 Jan 2021 15:26:19 +0100
Subject: [PATCH] merged signal.c in timer.c

---
 Makefile |  2 +-
 signal.c | 58 --------------------------------------------------------
 timer.c  |  1 +
 3 files changed, 2 insertions(+), 59 deletions(-)
 delete mode 100644 signal.c

diff --git a/Makefile b/Makefile
index c6f3ff2..7b79248 100644
--- a/Makefile
+++ b/Makefile
@@ -33,7 +33,7 @@ TIME := \time -f "\ttime: %E real, %U user, %S sys\n\tcontext-switch:\t%c+%w, pa
 export PATH := .:$(PATH)
 
 TARGETS=lceb tree oper timer
-OBJS=lceb.o tree.o oper.o stack.o eval.o best.o timer.o stack.o signal.o
+OBJS=lceb.o tree.o oper.o stack.o eval.o best.o timer.o stack.o
 INCLUDES=lceb.h
 DEPS=$(INCLUDES) Makefile
 
diff --git a/signal.c b/signal.c
deleted file mode 100644
index 24af9f7..0000000
--- a/signal.c
+++ /dev/null
@@ -1,58 +0,0 @@
-#include <stdio.h>
-#include <signal.h>
-#include <sys/time.h>
-#include <string.h>
-#include "lceb.h"
-
-int sigint_received=0;
-
-static void stopall(signum)
-    int signum;
-{
-    printf("SIGNAL %d RECEIVED: aborting eval\n", signum);
-    sigint_received=1;
-}
-
-int stopped()
-{
-    return sigint_received;
-}
-
-void set_intr()
-{
-    struct sigaction sig;
-
-    sig.sa_handler = stopall;
-    sigemptyset(&sig.sa_mask);
-    sig.sa_flags = 0;
-    sigaction(SIGINT, &sig, NULL);
-    sigaction(SIGALRM, &sig, NULL);
-#   ifdef DEBUG
-    printf("SIGINT armed.\n");
-#   endif
-}
-
-void set_alarm(ms)
-    int ms;
-{
-    struct sigaction sa;
-    struct itimerval timer;
-
-    /* Install timer_handler as the signal handler for SIGVTALRM. */
-    memset (&sa, 0, sizeof (sa));
-    sa.sa_handler = stopall;
-    sigaction (SIGUSR1, &sa, NULL);
-
-    timer.it_value.tv_sec = ms/1000;
-    timer.it_value.tv_usec = (ms%1000)*1000;
-#   ifdef DEBUG
-    printf("alarm clock set to %.2f secs.\n",
-           timer.it_value.tv_sec + timer.it_value.tv_usec / 1000000.);
-#   endif
-    /* ... and every 250 msec after that. */
-    timer.it_interval.tv_sec = 0;
-    timer.it_interval.tv_usec = 0;
-    /* Start a virtual timer. It counts down whenever this process is executing. */
-    setitimer (ITIMER_REAL, &timer, NULL);
-
-}
diff --git a/timer.c b/timer.c
index 2749c68..1945e4c 100644
--- a/timer.c
+++ b/timer.c
@@ -29,6 +29,7 @@ double get_timer(timer)
     struct timespec timer;
 {
     double diff;
+
     diff=(timer.tv_sec - start.tv_sec) + (timer.tv_nsec - start.tv_nsec) / NANOSEC;
 #   ifdef DEBUG_TIMER
     printf("timer sec: %.5f\n", diff);