lib: s/IGT_DEBUG_INTERACTIVE/--interactive-debug=var

Use cmdline variable for interactive debug instead of env var.

v2: Make interactive-debug domain optional and use "all" when not set.

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

lib/igt_aux.c

@@ -450,32 +450,32 @@ void igt_drop_root(void)
 
 /**
  * igt_debug_wait_for_keypress:
- * @key: env var lookup to to enable this wait
+ * @var: var lookup to to enable this wait
  *
  * Waits for a key press when run interactively and when the corresponding debug
- * key is set in the IGT_DEBUG_INTERACTIVE environment variable. Multiple keys
+ * var is set in the --interactive-debug=<var> variable. Multiple keys
  * can be specified as a comma-separated list or alternatively "all" if a wait
- * should happen for all keys.  When not connected to a terminal the environment
+ * should happen for all cases.
- * setting is ignored and execution immediately continues.
+ *
+ * When not connected to a terminal interactive_debug is ignored
+ * and execution immediately continues.
  *
  * This is useful for display tests where under certain situation manual
  * inspection of the display is useful. Or when running a testcase in the
  * background.
  */
-void igt_debug_wait_for_keypress(const char *key)
+void igt_debug_wait_for_keypress(const char *var)
 {
 	struct termios oldt, newt;
-	const char *env;
 
 	if (!isatty(STDIN_FILENO))
 		return;
 
-	env = getenv("IGT_DEBUG_INTERACTIVE");
+	if (!igt_interactive_debug)
-
-	if (!env)
 		return;
 
-	if (!strstr(env, key) && !strstr(env, "all"))
+	if (!strstr(igt_interactive_debug, var) &&
+	    !strstr(igt_interactive_debug, "all"))
 		return;
 
 	igt_info("Press any key to continue ...\n");

lib/igt_aux.h

@@ -64,7 +64,7 @@ void igt_system_suspend_autoresume(void);
 /* dropping priviledges */
 void igt_drop_root(void);
 
-void igt_debug_wait_for_keypress(const char *key);
+void igt_debug_wait_for_keypress(const char *var);
 
 enum igt_runtime_pm_status {
 	IGT_RUNTIME_PM_STATUS_ACTIVE,

lib/igt_core.c

@@ -233,6 +233,7 @@ enum {
  OPT_RUN_SUBTEST,
  OPT_DESCRIPTION,
  OPT_DEBUG,
+ OPT_INTERACTIVE_DEBUG,
  OPT_HELP = 'h'
 };
 
@@ -403,6 +404,7 @@ static void print_usage(const char *help_str, bool output_on_stderr)
 	fprintf(f, "  --list-subtests\n"
 		   "  --run-subtest <pattern>\n"
 		   "  --debug[=log-domain]\n"
+		   "  --interactive-debug[=domain]\n"
 		   "  --help-description\n"
 		   "  --help\n");
 	if (help_str)
@@ -435,6 +437,7 @@ static int common_init(int argc, char **argv,
 		{"run-subtest", 1, 0, OPT_RUN_SUBTEST},
 		{"help-description", 0, 0, OPT_DESCRIPTION},
 		{"debug", optional_argument, 0, OPT_DEBUG},
+		{"interactive-debug", optional_argument, 0, OPT_INTERACTIVE_DEBUG},
 		{"help", 0, 0, OPT_HELP},
 		{0, 0, 0, 0}
 	};
@@ -520,6 +523,12 @@ static int common_init(int argc, char **argv,
 	while ((c = getopt_long(argc, argv, short_opts, combined_opts,
 			       &option_index)) != -1) {
 		switch(c) {
+		case OPT_INTERACTIVE_DEBUG:
+			if (optarg && strlen(optarg) > 0)
+				igt_interactive_debug = strdup(optarg);
+			else
+				igt_interactive_debug = "all";
+			break;
 		case OPT_DEBUG:
 			igt_log_level = IGT_LOG_DEBUG;
 			if (optarg && strlen(optarg) > 0)

lib/igt_core.h

@@ -516,6 +516,8 @@ bool igt_run_in_simulation(void);
 
 void igt_skip_on_simulation(void);
 
+const char *igt_interactive_debug;
+
 /* structured logging */
 enum igt_log_level {
 	IGT_LOG_DEBUG,