Changes between Version 33 and Version 34 of WikiStart

Timestamp:

May 8, 2009, 2:18:14 PM (15 years ago)

Author:

lorenzo

Comment:

--

WikiStart

@@ -1292 +1292 @@
 
  * '''Turno 2 (24 Aprile 2009)''': [http://homes.dico.unimi.it/sisop/lucidi0809/solab07b.pdf slide] ([http://homes.dico.unimi.it/sisop/lucidi0809/solab07b-handout.pdf Versione stampa])
+
+ * mykill.c
+{{{
+#!c#include <sys/types.h>
+#include <signal.h>
+#include <stdlib.h>
+
+int main(int argc, char **argv) {
+        
+        kill(atoi(argv[1]), 9);
+        return 0;
+
+}
+}}}
+
+ * mykill-raw1.c
+{{{
+#!c
+#include <stdio.h>
+#include <stdlib.h>
+#include <ansi.h>
+#include <lib.h>
+#include <minix/ipc.h>
+
+int main(int argc, char **argv) {
+  message m;
+
+  printf("PID: %s SIG: %s\n", argv[1], argv[2]);
+  
+  m.m1_i1 = atoi(argv[1]);
+  m.m1_i2 = atoi(argv[2]);
+
+  printf("PID: %d SIG: %d\n", m.m1_i1, m.m1_i2);
+  
+  return(_syscall(MM, KILL, &m));
+}
+}}}
+
+ * mykill-raw2.c
+{{{
+#!c
+#include <stdio.h>
+#include <stdlib.h>
+#include <ansi.h>
+#include <lib.h>
+#include <minix/ipc.h>
+
+int main(int argc, char **argv) {
+  message m;
+  int status;
+
+  printf("PID: %s SIG: %s\n", argv[1], argv[2]);
+  
+  m.m1_i1 = atoi(argv[1]);
+  m.m1_i2 = atoi(argv[2]);
+
+  printf("PID: %d SIG: %d\n", m.m1_i1, m.m1_i2);
+  
+
+  m.m_type = KILL;
+  status = _sendrec(MM, &m);
+  if (status != 0) {
+        /* 'sendrec' itself failed. */
+        /* XXX - strerror doesn't know all the codes */
+        m.m_type = status;
+  }
+  if (m.m_type < 0) {
+        errno = -m.m_type;
+        return(-1);
+  }
+
+  return(0);
+}
+
+}}}