[SP/P4] Solved all exercises

1 files changed, 22 insertions, 0 deletions

diff --git a/Year 3/System programming/Practicum4/ex4.c b/Year 3/System programming/Practicum4/ex4.c
new file mode 100644
index 0000000..3492784
--- /dev/null
+++ b/Year 3/System programming/Practicum4/ex4.c
@@ -0,0 +1,22 @@
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <stdio.h>
+
+int main(int argc, char *argv[]) {
+	int f1 = fork();
+	int f2 = fork();
+	if (f1 == 0) {
+		execlp(argv[1], argv[1], (char*)NULL);
+	}
+	else if (f2 == 0) {
+		execlp(argv[2], argv[2], (char*)NULL);
+	}
+	else {
+		int firstStatus, secondStatus;
+		int firstEnded = wait(&firstStatus);
+		int secondEnded = wait(&secondStatus);
+		printf("%s %d\n", argv[1 + (firstEnded != f1)], firstStatus);
+		printf("%s %d\n", argv[1 + (secondEnded != f1)], secondStatus);
+	}
+}