1 files changed, 48 insertions, 0 deletions
diff --git a/src/examples/generic_parent.c b/src/examples/generic_parent.c
new file mode 100644
index 0000000..dd8f11d
--- /dev/null
+++ b/src/examples/generic_parent.c
@@ -0,0 +1,48 @@
+/* klaar@ida
+
+   Will try to start N child-processes, giving each an increasing
+   number starting on S as argument to main. Will return S+C where C
+   is the number of sucessfully started children.
+
+   Normally used from some parent program.
+ */
+
+#include <syscall.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#define BUF_SIZE 64
+
+int main(int argc, char* argv[])
+{
+  int i;
+  char cmd[BUF_SIZE];
+  char* child;
+  int start;
+  int count;
+
+  if (argc != 4)
+  {
+     printf("Usage: %s CHILD S N\n", argv[0]);
+     printf("%s starts N copies of CHILD.\n", argv[0]);
+     printf("Each child receives an unique integer I as first parameter in the range S..(S+N-1).\n");
+     printf("Returns S + N on success, S + I if only I children could be started.\n");
+     return -1;
+  }
+  
+  child = argv[1];
+  start = atoi(argv[2]);
+  count = atoi(argv[3]);
+  
+  for(i = 0; i < count; i++)
+  {
+     snprintf(cmd, BUF_SIZE, "%s %i", child, start + i);
+     if (exec(cmd) == -1)
+     {
+	printf("!! ERROR !!\n");
+	printf("Could not start '%s'\n", cmd);
+	break;
+     }
+  }
+  exit(start + i);
+}