X-Git-Url: http://git.vrable.net/?a=blobdiff_plain;f=util.cc;h=0aa5efbb8eb521e14f935bc286de8c081067a62c;hb=fc223ec17dc5e6691291a7b31f6daa8679b484cd;hp=22aab3b61dc02923f33eb9748cae6034cff181f7;hpb=0dfc70e01ddb7d2bce0db03d5364c0bd3a2bb308;p=cumulus.git

diff --git a/util.cc b/util.cc
index 22aab3b..0aa5efb 100644
--- a/util.cc
+++ b/util.cc
@@ -22,6 +22,9 @@
  * later, for parsing them back, perhaps). */
 
 #include <stdio.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <unistd.h>
 #include <uuid/uuid.h>
 
 #include <iostream>
@@ -114,3 +117,21 @@ long long parse_int(const string &s)
 {
     return strtoll(s.c_str(), NULL, 0);
 }
+
+/* Mark a file descriptor as close-on-exec. */
+void cloexec(int fd)
+{
+    long flags = fcntl(fd, F_GETFD);
+
+    if (flags < 0)
+        return;
+
+    fcntl(fd, F_SETFD, flags | FD_CLOEXEC);
+}
+
+/* Report a fatal error and exit. */
+void fatal(string msg)
+{
+    fprintf(stderr, "FATAL: %s\n", msg.c_str());
+    exit(1);
+}