show error/warning on fork failure - geomyidae - A small C-based gopherd.
 (HTM) git clone git://bitreich.org/geomyidae/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/geomyidae/
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       ---
 (DIR) commit 60e5e4b10104014295dd9c9867900f4c72a8cffe
 (DIR) parent 50fd214b77643c6291a45132706cab4bfba6db7e
 (HTM) Author: Hiltjo Posthuma <hiltjo@codemadness.org>
       Date:   Sat, 23 Sep 2017 13:05:07 +0200
       
       show error/warning on fork failure
       
       this can be useful if there are process resource constraints set also.
       
       Signed-off-by: Christoph Lohmann <20h@r-36.net>
       
       Diffstat:
         M handlr.c                            |       2 ++
         M main.c                              |      11 +++++++++--
       
       2 files changed, 11 insertions(+), 2 deletions(-)
       ---
 (DIR) diff --git a/handlr.c b/handlr.c
       @@ -169,6 +169,7 @@ handlecgi(int sock, char *file, char *port, char *base, char *args,
                                _exit(1);
                        }
                case -1:
       +                perror("fork");
                        break;
                default:
                        wait(NULL);
       @@ -227,6 +228,7 @@ handledcgi(int sock, char *file, char *port, char *base, char *args,
                                _exit(1);
                        }
                case -1:
       +                perror("fork");
                        break;
                default:
                        dup2(sock, 1);
 (DIR) diff --git a/main.c b/main.c
       @@ -401,8 +401,15 @@ main(int argc, char *argv[])
                        }
                }
        
       -        if(dofork && fork() != 0)
       -                return 0;
       +        if(dofork) {
       +                switch(fork()) {
       +                case -1:
       +                        perror("fork");
       +                        return 1;
       +                default:
       +                        return 0;
       +                }
       +        }
        
                if(logfile != nil) {
                        glfd = initlogging(logfile);