> > > > elogd continues to run after a SIGHUP. If a second SIGHUP is received the daemon terminates.
> > > > This was observed on Solaris 10 (SPARC).
> > > > The documentation states that elogd should re-read configuration after receiving SIGHUP.
> > > 
> > > I tried to reproduce this but without success. I could send many SIGHUPs without the daemon terminating. Maybe 
> > > you modified the configuration file in between and elogd barked out because of some wrong configuration? Try to 
> > > start the daemon interactively and see what exactly happens if you send several SIGHUPs.
> > 
> > The problem is that under Solaris signal handlers installed via signal() get uninstalled *before* the signal handler
> > is called.  Thus the second time elogd receives a SIGHUP, you get the default action, which is to kill the process.
> > 
> > The solution is to use the POSIX sigaction() call instead of signal(). 
> 
> Can you try to modify the signal() calls into sigaction(). If this really works under Solaris, I will incorporate this 
> then into the distribution.

Here is the patch.  It works under both Solaris and Linux.

*** src/elogd.c-orig	2009-04-14 04:16:02.000000000 -0400
--- src/elogd.c	2009-06-04 11:33:31.337804000 -0400
***************
*** 27553,27558 ****
--- 27553,27565 ----
     SSL_CTX *ssl_ctx;
  #endif
  
+    /*
+     * sigaction structs
+     */
+    struct sigaction ctrlc_handle;
+    struct sigaction ignore_handle;
+    struct sigaction hup_handle;
+ 
     i_conn = content_length = 0;
     net_buffer_size = 100000;
     net_buffer = xmalloc(net_buffer_size);
***************
*** 27708,27718 ****
        close(fd);
     }
  
!    /* install signal handler */
!    signal(SIGTERM, ctrlc_handler);
!    signal(SIGINT, ctrlc_handler);
!    signal(SIGPIPE, SIG_IGN);
!    signal(SIGHUP, hup_handler);
     /* give up root privilege */
     if (geteuid() == 0) {
        if (!getcfg("global", "Grp", str, sizeof(str)) || setegroup(str) < 0) {
--- 27715,27739 ----
        close(fd);
     }
  
!    /*
!     * install signal handlers 
!     */
!    ctrlc_handle.sa_handler = ctrlc_handler;
!    sigemptyset( &ctrlc_handle.sa_mask );
!    ctrlc_handle.sa_flags = 0;
! 
!    sigaction(SIGTERM, &ctrlc_handle, NULL);
!    sigaction(SIGINT, &ctrlc_handle, NULL);
! 
!    ignore_handle.sa_handler = SIG_IGN;
!    sigaction(SIGPIPE, &ignore_handle, NULL);
! 
!    hup_handle.sa_handler = hup_handler;
!    sigemptyset( &hup_handle.sa_mask );
!    hup_handle.sa_flags = 0;
!    sigaction(SIGHUP, &hup_handle, NULL);
! 
! 
     /* give up root privilege */
     if (geteuid() == 0) {
        if (!getcfg("global", "Grp", str, sizeof(str)) || setegroup(str) < 0) {