X-Git-Url: http://git.vrable.net/?p=cumulus.git;a=blobdiff_plain;f=util.cc;h=0aa5efbb8eb521e14f935bc286de8c081067a62c;hp=b595eea602f1f11f9e76958afd5efe4a04501c85;hb=dd553bb0b2ac2fe7a1904d2f2670f37e3bb25ae6;hpb=5f2e50c2ad75043142dc1812fe19dbd7ad86488c

diff --git a/util.cc b/util.cc
index b595eea..0aa5efb 100644
--- a/util.cc
+++ b/util.cc
@@ -23,6 +23,8 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <fcntl.h>
+#include <unistd.h>
 #include <uuid/uuid.h>
 
 #include <iostream>
@@ -115,3 +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);
+}