save and restore errno in signal handler

16 years ago · 067f5b68b5
parent 8eec05e736
commit 067f5b68b5
1 changed files with 2 additions and 0 deletions
--- a/ev.c
+++ b/ev.c
@ -415,8 +415,10 @@ sighandler (int signum)

  if (!gotsig)
    {
+      int old_errno = errno;
      gotsig = 1;
      write (sigpipe [1], &signum, 1);
+      errno = old_errno;
    }
 }