diff options
Diffstat (limited to 'csci4061/110920_breakout/chap8/pgm_8_5.c')
-rw-r--r-- | csci4061/110920_breakout/chap8/pgm_8_5.c | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/csci4061/110920_breakout/chap8/pgm_8_5.c b/csci4061/110920_breakout/chap8/pgm_8_5.c deleted file mode 100644 index b20cdfa..0000000 --- a/csci4061/110920_breakout/chap8/pgm_8_5.c +++ /dev/null @@ -1,43 +0,0 @@ -// Program 8.5 - -#include <math.h> -#include <signal.h> -#include <stdio.h> -#include <stdlib.h> - -static volatile sig_atomic_t doneflag = 0; - -/* ARGSUSED */ -static void setdoneflag(int signo) { - doneflag = 1; -} - -int main (void) { - struct sigaction act; - int count = 0; - double sum = 0; - double x; - - act.sa_handler = setdoneflag; /* set up signal handler */ - act.sa_flags = 0; - if ((sigemptyset(&act.sa_mask) == -1) || - (sigaction(SIGINT, &act, NULL) == -1)) { - perror("Failed to set SIGINT handler"); - return 1; - } - - while (!doneflag) { - x = (rand() + 0.5)/(RAND_MAX + 1.0); - sum += sin(x); - count++; - printf("Count is %d and average is %f\n", count, sum/count); - sleep(3); - } - - printf("Program terminating ...\n"); - if (count == 0) - printf("No values calculated yet\n"); - else - printf("Count is %d and average is %f\n", count, sum/count); - return 0; -}
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