Default is -fcntl -lockfile.
Argument: the name of the lock file
+
+Copyright (c) The Exim Maintainers 2016
*/
#include "os.h"
else usage();
}
-if (quiet) verbose = 0;
+if (quiet) verbose = FALSE;
/* Can't use flock() if the OS doesn't provide it */
if (use_lockfile)
{
- int rc;
+ int rc, rc2;
if (verbose) printf("exim_lock: creating lock file\n");
hd = open(hitchname, O_WRONLY | O_CREAT | O_EXCL, 0440);
if (hd < 0)
/* Apply hitching post algorithm. */
- if ((rc = link(hitchname, lockname)) != 0) fstat(hd, &statbuf);
+ if ((rc = link(hitchname, lockname)) != 0)
+ rc2 = fstat(hd, &statbuf);
(void)close(hd);
unlink(hitchname);
- if (rc != 0 && statbuf.st_nlink != 2)
+ if (rc != 0 && (rc2 != 0 || statbuf.st_nlink != 2))
{
printf("exim_lock: failed to link hitching post to lock file\n");
hd = -1;