[SP/P04] Solved exercises

1 files changed, 19 insertions, 0 deletions

diff --git a/Year 3/System programming/Practice04/ex2.c b/Year 3/System programming/Practice04/ex2.c
new file mode 100644
index 0000000..21f5f0e
--- /dev/null
+++ b/Year 3/System programming/Practice04/ex2.c
@@ -0,0 +1,19 @@
+#include <sys/wait.h> // wait
+#include <sys/types.h> // pid_t
+#include <stdio.h> // printf
+#include <unistd.h> // getpid, getppid, fork
+
+int main(int argc, char* argv[]) {
+	printf("%d\n", getpid());
+
+	pid_t f = fork();
+	printf("%d %d\n", f, getpid());
+	if (f == 0) { // in child
+		printf("Parent: %d\n", getppid());
+	}
+	else {
+		int status;
+		wait(&status);
+		printf("Child exit status: %d\n", status);
+	}
+}