Only fork once - sdhcp - simple dhcp client
  HTML git clone git://git.codemadness.org/sdhcp
   DIR Log
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   DIR LICENSE
       ---
   DIR commit 4716991b7cf1cf79d3ddf27b16690ccb37e863b7
   DIR parent 462f43e6073a740dfb71e720ace9d7f041e36b36
  HTML Author: Michael Forney <mforney@mforney.org>
       Date:   Mon, 27 Apr 2015 01:00:02 +0000
       
       Only fork once
       
       Diffstat:
         M sdhcp.c                             |       9 +++++++--
       
       1 file changed, 7 insertions(+), 2 deletions(-)
       ---
   DIR diff --git a/sdhcp.c b/sdhcp.c
       @@ -339,6 +339,8 @@ acceptlease(void)
        static void
        run(void)
        {
       +        int forked = 0;
       +
        #if 0
        InitReboot:
                /* send DHCPrequest to old server */
       @@ -390,8 +392,11 @@ Requesting:
                }
        Bound:
                fputs("Congrats! You should be on the 'net.\n", stdout);
       -        if(fork())
       -                exit(EXIT_SUCCESS);
       +        if(!forked) {
       +                if(fork())
       +                        exit(EXIT_SUCCESS);
       +                forked = 1;
       +        }
                switch (dhcprecv()) {
                case DHCPoffer:
                case DHCPack: