{
unix_main_t *um = &unix_main;
um->vlib_main = vm;
- return vlib_call_init_function (vm, unix_input_init);
+ return 0;
}
-VLIB_INIT_FUNCTION (unix_main_init);
+/* *INDENT-OFF* */
+VLIB_INIT_FUNCTION (unix_main_init) =
+{
+ .runs_before = VLIB_INITS ("unix_input_init"),
+};
+/* *INDENT-ON* */
static int
unsetup_signal_handlers (int sig)
/* allocate this buffer from mheap when setting up the signal handler.
dangerous to vec_resize it when crashing, mheap itself might have been
- corruptted already */
+ corrupted already */
static u8 *syslog_msg = 0;
-static int last_signum = 0;
-static uword last_faulting_address = 0;
+int vlib_last_signum = 0;
+uword vlib_last_faulting_address = 0;
static void
unix_signal_handler (int signum, siginfo_t * si, ucontext_t * uc)
uword fatal = 0;
/* These come in handy when looking at core files from optimized images */
- last_signum = signum;
- last_faulting_address = (uword) si->si_addr;
+ vlib_last_signum = signum;
+ vlib_last_faulting_address = (uword) si->si_addr;
syslog_msg = format (syslog_msg, "received signal %U, PC %U",
format_signal, signum, format_ucontext_pc, uc);
break;
}
+#ifdef CLIB_GCOV
+ /*
+ * Test framework sends SIGTERM, so we need to flush the
+ * code coverage stats here.
+ */
+ {
+ void __gcov_flush (void);
+ __gcov_flush ();
+ }
+#endif
+
/* Null terminate. */
vec_add1 (syslog_msg, 0);
syslog (LOG_ERR | LOG_DAEMON, "%s", syslog_msg);
}
- /* have to remove SIGABRT to avoid recusive - os_exit calling abort() */
+ /* have to remove SIGABRT to avoid recursive - os_exit calling abort() */
unsetup_signal_handlers (SIGABRT);
- os_exit (1);
+ /* os_exit(1) causes core generation, skip that for SIGINT, SIGHUP */
+ if (signum == SIGINT || signum == SIGHUP)
+ os_exit (0);
+ else
+ os_exit (1);
}
else
clib_warning ("%s", syslog_msg);
case SIGSTOP:
case SIGUSR1:
case SIGUSR2:
+ case SIGPROF:
continue;
/* ignore SIGPIPE, SIGCHLD */
{
unix_main_t *um = arg;
- /* Echo to stderr when interactive. */
- if (um->flags & UNIX_FLAG_INTERACTIVE)
+ /* Echo to stderr when interactive or syslog is disabled. */
+ if (um->flags & (UNIX_FLAG_INTERACTIVE | UNIX_FLAG_NOSYSLOG))
{
CLIB_UNUSED (int r) = write (2, msg, msg_len);
}
.function = startup_config_process,
.type = VLIB_NODE_TYPE_PROCESS,
.name = "startup-config-process",
+ .process_log2_n_stack_bytes = 18,
};
/* *INDENT-ON* */
um->flags |= UNIX_FLAG_INTERACTIVE;
else if (unformat (input, "nodaemon"))
um->flags |= UNIX_FLAG_NODAEMON;
+ else if (unformat (input, "nosyslog"))
+ um->flags |= UNIX_FLAG_NOSYSLOG;
+ else if (unformat (input, "nocolor"))
+ um->flags |= UNIX_FLAG_NOCOLOR;
+ else if (unformat (input, "nobanner"))
+ um->flags |= UNIX_FLAG_NOBANNER;
else if (unformat (input, "cli-prompt %s", &cli_prompt))
vlib_unix_cli_set_prompt (cli_prompt);
else
vlib_default_runtime_dir, 0);
}
+ /* Ensure the runtime directory is created */
+ error = vlib_unix_recursive_mkdir ((char *) um->runtime_dir);
+ if (error)
+ return error;
+
error = setup_signal_handlers (um);
if (error)
return error;
}
}
- if (!(um->flags & UNIX_FLAG_INTERACTIVE))
+ if (!(um->flags & (UNIX_FLAG_INTERACTIVE | UNIX_FLAG_NOSYSLOG)))
{
openlog (vm->name, LOG_CONS | LOG_PERROR | LOG_PID, LOG_DAEMON);
clib_error_register_handler (unix_error_handler, um);
* Do not fork or background the VPP process. Typically used when invoking
* VPP applications from a process monitor.
*
+ * @cfgcmd{nosyslog}
+ * Do not send e.g. clib_warning(...) output to syslog. Used
+ * when invoking VPP applications from a process monitor which
+ * pipe stdout/stderr to a dedicated logger service.
+ *
+ * @cfgcmd{nocolor}
+ * Do not use colors in outputs.
+ * *
+ * @cfgcmd{nobanner}
+ * Do not display startup banner.
+ *
* @cfgcmd{exec, <filename>}
* @par <code>startup-config <filename></code>
* Read startup operational configuration from @c filename.
unformat_input_t input;
int i;
+ vlib_process_finish_switch_stack (vm);
+
unformat_init_command_line (&input, (char **) vm->argv);
i = vlib_main (vm, &input);
unformat_free (&input);
u8 *
vlib_thread_stack_init (uword thread_index)
{
- vec_validate (vlib_thread_stacks, thread_index);
- vlib_thread_stacks[thread_index] = clib_mem_alloc_aligned
- (VLIB_THREAD_STACK_SIZE, clib_mem_get_page_size ());
+ void *stack;
+ ASSERT (thread_index < vec_len (vlib_thread_stacks));
+ stack = clib_mem_vm_map_stack (VLIB_THREAD_STACK_SIZE,
+ CLIB_MEM_PAGE_SZ_DEFAULT,
+ "thread stack: thread %u", thread_index);
- /*
- * Disallow writes to the bottom page of the stack, to
- * catch stack overflows.
- */
- if (mprotect (vlib_thread_stacks[thread_index],
- clib_mem_get_page_size (), PROT_READ) < 0)
- clib_unix_warning ("thread stack");
- return vlib_thread_stacks[thread_index];
+ if (stack == CLIB_MEM_VM_MAP_FAILED)
+ clib_panic ("failed to allocate thread %u stack", thread_index);
+
+ vlib_thread_stacks[thread_index] = stack;
+ return stack;
}
int
vlib_unix_main (int argc, char *argv[])
{
- vlib_main_t *vm = &vlib_global_main; /* one and only time for this! */
+ vlib_main_t *vm = vlib_get_first_main (); /* one and only time for this! */
unformat_input_t input;
clib_error_t *e;
int i;
(((uword) vm->heap_base) & ~(VLIB_FRAME_ALIGN - 1));
ASSERT (vm->heap_base);
+ clib_time_init (&vm->clib_time);
+
+ /* Turn on the event logger at the first possible moment */
+ vm->configured_elog_ring_size = 128 << 10;
+ elog_init (vlib_get_elog_main (), vm->configured_elog_ring_size);
+ elog_enable_disable (vlib_get_elog_main (), 1);
+
unformat_init_command_line (&input, (char **) vm->argv);
if ((e = vlib_plugin_config (vm, &input)))
{
/* always load symbols, for signal handler and mheap memory get/put backtrace */
clib_elf_main_init (vm->name);
+ vec_validate (vlib_thread_stacks, 0);
vlib_thread_stack_init (0);
__os_thread_index = 0;
vm->thread_index = 0;
+ vlib_process_start_switch_stack (vm, 0);
i = clib_calljmp (thread0, (uword) vm,
(void *) (vlib_thread_stacks[0] +
VLIB_THREAD_STACK_SIZE));
Code Review / vpp.git / blobdiff