Ignore SIGCHLD to prevent zombie processes for non-modal plumbing - sacc - sacc(omys), simple console gopher client
 (HTM) git clone git://bitreich.org/sacc/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/sacc/
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       ---
 (DIR) commit b15d084107da05069a3cf70cd81475f26d8e563e
 (DIR) parent edbf8409a1e281d17422e7b12b5edd3832b4429d
 (HTM) Author: Hiltjo Posthuma <hiltjo@codemadness.org>
       Date:   Sun, 27 Mar 2022 11:47:44 +0200
       
       Ignore SIGCHLD to prevent zombie processes for non-modal plumbing
       
       In config.h, when modalplumber = 0 is set (the default),
       sacc does not wait(2) on the process
       when a child process exits
       and it then becomes a zombie on Linux.
       
       Diffstat:
         M sacc.c                              |       3 +++
       
       1 file changed, 3 insertions(+), 0 deletions(-)
       ---
 (DIR) diff --git a/sacc.c b/sacc.c
       @@ -1079,6 +1079,9 @@ setup(void)
                sigaction(SIGHUP, &sa, NULL);
                sigaction(SIGTERM, &sa, NULL);
        
       +        sa.sa_handler = SIG_IGN;
       +        sigaction(SIGCHLD, &sa, NULL);
       +
                if (!mkdtemp(tmpdir))
                        die("mkdir: %s: %s", tmpdir, strerror(errno));
                if (interactive = isatty(1)) {