1 files changed, 73 insertions, 0 deletions
diff --git a/scraps/syscall_test.c b/scraps/syscall_test.c
new file mode 100644
index 0000000..739e5cf
--- /dev/null
+++ b/scraps/syscall_test.c
@@ -0,0 +1,73 @@
+
+#define _GNU_SOURCE
+#include <fcntl.h>
+#include <sched.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <sys/wait.h>
+// #include <sys/types.h>
+// #include <sys/stat.h>
+
+int cloned_func(void *arg)
+{
+	printf("hello from clone\n");
+	fflush(stdout);
+	return 0;
+}
+
+int main()
+{
+	char *temp_filename = "./tempfile";
+	char *message = "special message\n";
+	char *clone_stack = malloc(1024);
+	char *clone_stack_top = clone_stack + 1024;
+
+	// SYS_fork
+	printf("testing fork\n");
+	fflush(stdout);
+	pid_t child_pid = fork();
+	if (child_pid == 0) { // if in child
+		printf("testing exec\n");
+		fflush(stdout);
+		// SYS_execve
+		execl("/bin/ls", "ls", (char*)0);
+		return 0;
+	}
+	wait(NULL);
+
+	// SYS_clone
+	printf("testing clone\n");
+	pid_t cloned_pid = clone(cloned_func, clone_stack_top, SIGCHLD, 0);
+	wait(NULL);
+
+	// SYS_creat
+	printf("testing creat\n");
+	int tfd = creat(temp_filename, S_IRWXU);
+	close(tfd);
+
+	// SYS_open
+	printf("testing open\n");
+	tfd = open(temp_filename, O_RDWR);
+	write(tfd, message, strlen(message));
+	close(tfd);
+
+	// SYS_openat
+	printf("testing openat\n");
+	tfd = openat(AT_FDCWD, temp_filename, O_RDWR | O_APPEND);
+	close(tfd);
+
+	// SYS_unlink
+	printf("testing unlink\n");
+	unlink(temp_filename);
+
+	// SYS_unlinkat
+	printf("testing unlinkat\n");
+	tfd = creat(temp_filename, S_IRWXU);
+	close(tfd);
+	unlinkat(AT_FDCWD, temp_filename, 0);
+
+	return 0;
+}