From 6d43c0a6de1e854c6a09915b878d4f59e6a572c1 Mon Sep 17 00:00:00 2001 From: RossTheRoss Date: Mon, 9 Nov 2020 08:26:54 -0600 Subject: Add new breakout --- csci4061/110920_breakout/sol2.c | 52 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 csci4061/110920_breakout/sol2.c (limited to 'csci4061/110920_breakout/sol2.c') diff --git a/csci4061/110920_breakout/sol2.c b/csci4061/110920_breakout/sol2.c new file mode 100644 index 0000000..b5c4895 --- /dev/null +++ b/csci4061/110920_breakout/sol2.c @@ -0,0 +1,52 @@ +/* +* Recitation Section Number: 9 +* Breakout Number: +* Member Name (X500) +* Member Name (X500) +* Member Name (X500) +* Member Name (X500) +*/ + +#include +#include +#include +#include + +// Remember the usage of sig_atomic_t in the recitation example +static volatile sig_atomic_t doneflag = 0; + +static void setdoneflag(int signo) { + doneflag = doneflag ^ 1; +} + +void infinitePrint() { + + static int count = 0; + printf("%ld: Count = %d\n", time(NULL), ++count); + sleep(1); +} + +int main() { + + // ------------------sol2.c----------------- + // setup signal handler - sigaction struct, sigemptyset, + struct sigaction act; + sigset_t sigset; + // specify action associated with SIGNT - sigaction() + 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; + } + // You are free to modify the while loop but not the infinitePrint() + // ----------------------------------------- + + /* Print infinitely. */ + while (1) { + if (!doneflag) + infinitePrint(); + } +} \ No newline at end of file -- cgit v1.2.3