Merge pull request #6 from Richard-Qin-001/dev/shell

A basically complete operating system has been implemented

1 files changed, 23 insertions, 0 deletions

diff --git a/src/user/kill.cc b/src/user/kill.cc
new file mode 100644
index 0000000..18b7f02
--- /dev/null
+++ b/src/user/kill.cc
@@ -0,0 +1,23 @@
+#include "ulib/stdio.h"
+#include "ulib/stdlib.h"
+#include "user/user.h"
+
+int main(int argc, char *argv[])
+{
+    int i;
+
+    if (argc < 2)
+    {
+        printf("Usage: kill pid...\n");
+        exit(1);
+    }
+    for (i = 1; i < argc; i++)
+    {
+        int pid = atoi(argv[i]);
+        if (kill(pid) < 0)
+        {
+            printf("kill: failed to kill %d\n", pid);
+        }
+    }
+    exit(0);
+}
\ No newline at end of file