Graduate

Signed-off-by: Matt Strapp <matt@mattstrapp.net>

2 files changed, 89 insertions, 0 deletions

diff --git a/csci4061/110920_breakout/zip/sol1.c b/csci4061/110920_breakout/zip/sol1.c
new file mode 100644
index 0000000..ca60c50
--- /dev/null
+++ b/csci4061/110920_breakout/zip/sol1.c
@@ -0,0 +1,37 @@
+/*
+* Recitation Section Number: 9
+* Breakout Number:
+* Audrey Hebert (heber169)
+* Qiyu Tian (tian0068)
+* Mouhari Mouhamed (mouha003)
+* Matt Strapp (strap012)
+*/
+
+#include <stdio.h>
+#include <signal.h>
+#include <unistd.h>
+#include <time.h>
+
+void infinitePrint() {
+
+	static int count = 0;
+	printf("%ld: Count = %d\n", time(NULL), ++count);
+	sleep(1);
+}
+
+int main() {
+
+	// ------------------sol1.c-----------------
+	// initialize new sigset - sigset_t, sigemptyset
+	sigset_t sigset;
+	sigemptyset(&sigset);
+	// add SIGINT to sigset - sigaddset
+	sigaddset(&sigset, SIGINT);
+	// block SIGINT - sigprocmask
+	sigprocmask(SIG_BLOCK, &sigset, NULL);
+	// Do not modify the while loop and infinitePrint()
+	// -----------------------------------------
+
+	/* Print infinitely. */
+	while (1) infinitePrint();
+}
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diff --git a/csci4061/110920_breakout/zip/sol2.c b/csci4061/110920_breakout/zip/sol2.c
new file mode 100644
index 0000000..04dad3e
--- /dev/null
+++ b/csci4061/110920_breakout/zip/sol2.c
@@ -0,0 +1,52 @@
+/*
+* Recitation Section Number: 9
+* Breakout Number: 6
+* Audrey Hebert (heber169)
+* Qiyu Tian (tian0068)
+* Mouhari Mouhamed (mouha003)
+* Matt Strapp (strap012)
+*/
+
+#include <stdio.h>
+#include <signal.h>
+#include <unistd.h>
+#include <time.h>
+
+// 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();
+	}
+}
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