/**
* collectd - src/exec.c
- * Copyright (C) 2007-2009 Florian octo Forster
+ * Copyright (C) 2007-2010 Florian octo Forster
* Copyright (C) 2007-2009 Sebastian Harl
* Copyright (C) 2008 Peter Holik
*
return (0);
} /* int exec_config }}} */
+static void set_environment (void) /* {{{ */
+{
+ char buffer[1024];
+
+#ifdef HAVE_SETENV
+ ssnprintf (buffer, sizeof (buffer), "%i", interval_g);
+ setenv ("COLLECTD_INTERVAL", buffer, /* overwrite = */ 1);
+
+ ssnprintf (buffer, sizeof (buffer), "%s", hostname_g);
+ setenv ("COLLECTD_HOSTNAME", buffer, /* overwrite = */ 1);
+#else
+ ssnprintf (buffer, sizeof (buffer), "COLLECTD_INTERVAL=%i", interval_g);
+ putenv (buffer);
+
+ ssnprintf (buffer, sizeof (buffer), "COLLECTD_HOSTNAME=%s", hostname_g);
+ putenv (buffer);
+#endif
+
+#ifdef HAVE_SETENV
+#else
+#endif
+} /* }}} void set_environment */
+
+__attribute__((noreturn))
static void exec_child (program_list_t *pl) /* {{{ */
{
int status;
status = getpwnam_r (pl->user, &sp, nambuf, sizeof (nambuf), &sp_ptr);
if (status != 0)
{
- ERROR ("exec plugin: getpwnam_r failed: %s",
- sstrerror (errno, errbuf, sizeof (errbuf)));
+ ERROR ("exec plugin: Failed to get user information for user ``%s'': %s",
+ pl->user, sstrerror (errno, errbuf, sizeof (errbuf)));
exit (-1);
}
if (sp_ptr == NULL)
status = getgrnam_r (pl->group, &gr, nambuf, sizeof (nambuf), &gr_ptr);
if (0 != status)
{
- ERROR ("exec plugin: getgrnam_r failed: %s",
+ ERROR ("exec plugin: Failed to get group information "
+ "for group ``%s'': %s", pl->group,
sstrerror (errno, errbuf, sizeof (errbuf)));
exit (-1);
}
status = execvp (pl->exec, pl->argv);
- ERROR ("exec plugin: exec failed: %s",
- sstrerror (errno, errbuf, sizeof (errbuf)));
+ ERROR ("exec plugin: Failed to execute ``%s'': %s",
+ pl->exec, sstrerror (errno, errbuf, sizeof (errbuf)));
exit (-1);
} /* void exec_child }}} */
close (fd_pipe_err[1]);
}
+ set_environment ();
+
/* Unblock all signals */
reset_signal_mask ();
status = fork_child (pl, NULL, &fd, &fd_err);
if (status < 0)
+ {
+ /* Reset the "running" flag */
+ pthread_mutex_lock (&pl_lock);
+ pl->flags &= ~PL_RUNNING;
+ pthread_mutex_unlock (&pl_lock);
pthread_exit ((void *) 1);
+ }
pl->pid = status;
assert (pl->pid != 0);
return (0);
} /* int exec_read }}} */
-static int exec_notification (const notification_t *n,
+static int exec_notification (const notification_t *n, /* {{{ */
user_data_t __attribute__((unused)) *user_data)
{
program_list_t *pl;