Attachment 628883 Details for Bug 867481 – sample code that highlights the issue

sample code that highlights the issue

test.c (text/x-csrc), 1.03 KB, created by Andy Grover on 2012-10-17 15:33:59 UTC

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Creator: Andy Grover

Created: 2012-10-17 15:33:59 UTC

Size: 1.03 KB

patch

obsolete

>#include <lvm2app.h>
>#include <stdio.h>
>
>void handle_error(lvm_t l, int rc, char *func_name)
>{
>   if( rc != 0 ) {
>      int errno = lvm_errno(l);
>      const char *msg = lvm_errmsg(l);
>      printf("%s fail: errno(%d) msg(%s)\n", func_name, errno, msg);
>   }
>}
>
>int main(int argc, char *argv[])
>{
>   char *vg_name = NULL;
>   if ( argc <= 1 ) {
>      printf("syntax: %s <vg name>\n", argv[0]);
>      return 1;
>   }
>   vg_name = argv[1];
>
>   lvm_t l = lvm_init(NULL);
>
>   if( l ) {
>      vg_t vg1;
>      vg_t vg2;
>
>      vg1 = lvm_vg_open(l, vg_name, "w", 0);
>      vg2 = lvm_vg_open(l, vg_name, "w", 0);
>
>      if( vg2 ) {
>         printf("Second open worked, closing...\n");
>         handle_error(l, lvm_vg_close(vg2), "vm_vg_close");
>         vg2 = NULL;
>      }
>
>      if( vg1 ) {
>         printf("First open worked, closing...\n");
>         handle_error(l, lvm_vg_close(vg1), "vm_vg_close");
>         vg1 = NULL;
>      }
>
>      printf("Closing library\n");
>      lvm_quit(l);
>   } else {
>      printf("Unable to init library\n");
>   }
>   return 0;
>}

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Attachments on bug 867481: 628883