Changeset 2278

Timestamp:

Aug 14, 2005, 8:42:50 AM (20 years ago)

Author:

bird

Message:

..

Location:

trunk/src/libctests/libc/smoketests

Files:

• fork-1.c (modified) (2 diffs, 1 prop)
• fork-exec-1.c (modified) (3 diffs, 1 prop)

trunk/src/libctests/libc/smoketests/fork-1.c

@@ -7 +7 @@
  *
  *
- * This file is part of kBuild.
+ * This file is part of InnoTek LIBC.
  *
- * kBuild is free software; you can redistribute it and/or modify
+ * InnoTek LIBC is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  *
- * kBuild is distributed in the hope that it will be useful,
+ * InnoTek LIBC is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -20 +20 @@
  *
  * You should have received a copy of the GNU General Public License
- * along with kBuild; if not, write to the Free Software
+ * along with InnoTek LIBC; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  *

trunk/src/libctests/libc/smoketests/fork-exec-1.c

@@ -43 +43 @@
 {
     if (argc == 2 && !strcmp(argv[1], "child"))
+    {
+        printf("fork-exec-1: %d: child of %d\n", getpid(), getppid());
         return 0;
+    }
+    printf("fork-exec-1: %d: %s, parent %d\n", getpid(), argc >= 2 ? argv[1] : "main", getppid());
 
     char *argv_child[3];
@@ -49 +53 @@
     argv_child[1] = "child";
     argv_child[2] = NULL;
-    int rc = spawnvp(P_WAIT, argv_child[0], argv_child);
-    if (rc)
+    if (argc != 2 || strcmp(argv[1], "2nd"))
     {
-        printf("fork-exec-1: child1 failed! rc=%d\n", rc);
-        return 1;
+        int rc = spawnvp(P_WAIT, argv_child[0], argv_child);
+        if (rc)
+        {
+            printf("fork-exec-1: child1 failed! rc=%d\n", rc);
+            return 1;
+        }
     }
 
     /*
-     * Main process.
+     * Fork children (three generations).
      */
     pid_t pid = fork();
@@ -67 +74 @@
     if (pid == 0)
     {
-        execvp(argv_child[0], argv_child);
+        if (argc == 2 && !strcmp(argv[1], "1st"))
+        {
+            printf("fork-exec-1: %d: 2nd fork, from %d\n", getpid(), getppid());
+            argv_child[1] = "2nd";
+            execvp(argv_child[0], argv_child);
+        }
+        else if (argc != 2 || strcmp(argv[1], "2nd"))
+        {
+            printf("fork-exec-1: %d: 1st fork, from %d\n", getpid(), getppid());
+            argv_child[1] = "1st";
+            execvp(argv_child[0], argv_child);
+        }
+        else
+        {
+            printf("fork-exec-1: %d: 3rd fork, from %d\n", getpid(), getppid());
+            execvp(argv_child[0], argv_child);
+        }
         printf("fork-exec-1: exec failed! errno=%d %m\n", errno);
         return 1;