vlib: exit 0 (nocore) on SIGHUP

Scenarios where SIGHUP is sent would include the user closing an xterm
while in interactive/nodaemon mode, or similarly when running vpp in the
same mode during testing (e.g., using ssh to run VPP on a DUT). VPP
should exit in these cases; however, generating a core is unwanted.

Type: fix
Signed-off-by: Christian Hopps <chopps@labn.net>
Change-Id: Ibccfe5e676547e913c8a205ff16ab56d9abb1c82

diff --git a/src/vlib/unix/main.c b/src/vlib/unix/main.c
index 568876b..95aeecf 100644 (file)
--- a/src/vlib/unix/main.c
+++ b/src/vlib/unix/main.c
@@ -180,8 +180,8 @@ unix_signal_handler (int signum, siginfo_t * si, ucontext_t * uc)
       /* have to remove SIGABRT to avoid recursive - os_exit calling abort() */
       unsetup_signal_handlers (SIGABRT);
 
-      /* os_exit(1) causes core generation, do not do this for SIGINT */
-      if (signum == SIGINT)
+      /* os_exit(1) causes core generation, skip that for SIGINT, SIGHUP */
+      if (signum == SIGINT || signum == SIGHUP)
        os_exit (0);
       else
        os_exit (1);