declare fd

devnull-cz · Dec 8, 2024 · 67afb79 · 67afb79
1 parent 9a520dd
commit 67afb79
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/synchro.tex b/synchro.tex
@@ -271,6 +271,7 @@
 \end{itemize}
 \begin{alltt}
 void \funnm{lock}(char *lockfile) \{
+        int fd;
         while((fd = open(lockfile,
             O\_RDWR|O\_CREAT|\emprg{O\_EXCL}, 0600)) == -1) \{
                 sleep(1); {\rm/* busy waiting in loop for unlock */}