[SP/P04] Solved exercises

1 files changed, 12 insertions, 0 deletions

diff --git a/Year 3/System programming/Practice04/ex1.c b/Year 3/System programming/Practice04/ex1.c
new file mode 100644
index 0000000..da92ec6
--- /dev/null
+++ b/Year 3/System programming/Practice04/ex1.c
@@ -0,0 +1,12 @@
+#include <stdio.h> // printf, perror
+#include <unistd.h> // getpid, getppid, execlp
+#include <sys/types.h> // pid_t
+int main(int argc, char* argv[]) {
+	pid_t pid = getpid();
+	pid_t parent = getppid();
+	printf("%d %d\n", pid, parent);
+	if (execlp("ps", "ps", (char*)NULL) < 0) {
+		perror("execlp");
+		return 1;
+	}
+}