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https://git.kernel.org/pub/scm/network/wireless/iwd.git
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test-runner: add feature to debug processes with gdb
Specifying the --gdb <process> option to test runner will run gbd on the given process. Using this option will turn off all timeouts in test-runner.
This commit is contained in:
James Prestwood
Denis Kenzior
parent
5c765bc886
commit
461b39f206
@ -74,6 +74,7 @@ static int test_argc;
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static char **verbose_apps;
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static char *verbose_opt;
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static bool valgrind;
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static char *gdb_opt;
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static bool enable_debug;
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const char *debug_filter;
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static const char *qemu_binary;
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@ -378,7 +379,8 @@ static void start_qemu(void)
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"mac80211_hwsim.radios=0 init=%s TESTHOME=%s "
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"TESTVERBOUT=\'%s\' DEBUG_FILTER=\'%s\'"
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"TEST_ACTION=%u TEST_ACTION_PARAMS=\'%s\' "
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"TESTARGS=\'%s\' PATH=\'%s\' VALGRIND=%u",
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"TESTARGS=\'%s\' PATH=\'%s\' VALGRIND=%u"
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"GDB=\'%s\'",
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check_verbosity("kernel") ? "ignore_loglevel" : "quiet",
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initcmd, cwd, verbose_opt ? verbose_opt : "none",
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enable_debug ? debug_filter : "",
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@ -386,7 +388,8 @@ static void start_qemu(void)
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test_action_params ? test_action_params : "",
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testargs,
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getenv("PATH"),
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valgrind);
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valgrind,
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gdb_opt ? gdb_opt : "none");
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argv = alloca(sizeof(qemu_argv) + sizeof(char *) * 7);
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memcpy(argv, qemu_argv, sizeof(qemu_argv));
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@ -480,7 +483,7 @@ static bool wait_for_socket(const char *socket, useconds_t wait_time)
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return true;
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usleep(wait_time);
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} while (i++ < 20);
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} while ((wait_time > 0) ? i++ < 20 : true);
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l_error("Error: cannot find socket: %s", socket);
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return false;
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@ -501,6 +504,7 @@ static void create_dbus_system_conf(void)
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fputs("<busconfig>\n", fp);
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fputs("<type>system</type>\n", fp);
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fputs("<listen>unix:path=/run/dbus/system_bus_socket</listen>\n", fp);
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fputs("<limit name=\"reply_timeout\">2147483647</limit>", fp);
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fputs("<policy context=\"default\">\n", fp);
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fputs("<allow user=\"*\"/>\n", fp);
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fputs("<allow own=\"*\"/>\n", fp);
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@ -792,6 +796,8 @@ static pid_t start_hostapd(char **config_files, struct wiphy **wiphys)
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{
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char **argv;
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pid_t pid;
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int idx = 0;
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uint32_t wait = 25 * 10000;
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bool verbose = check_verbosity(BIN_HOSTAPD);
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size_t ifnames_size;
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char *ifnames;
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@ -800,15 +806,22 @@ static pid_t start_hostapd(char **config_files, struct wiphy **wiphys)
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for (i = 0, ifnames_size = 0; wiphys[i]; i++)
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ifnames_size += 1 + strlen(wiphys[i]->interface_name);
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argv = alloca(sizeof(char *) * (7 + i));
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argv[0] = BIN_HOSTAPD;
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argv = alloca(sizeof(char *) * (9 + i));
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if (strcmp(gdb_opt, "hostapd") == 0) {
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argv[idx++] = "gdb";
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argv[idx++] = "--args";
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wait = 0;
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}
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argv[idx++] = BIN_HOSTAPD;
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ifnames = alloca(ifnames_size);
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argv[1] = "-i";
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argv[2] = ifnames;
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argv[idx++] = "-i";
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argv[idx++] = ifnames;
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argv[3] = "-g";
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argv[4] = wiphys[0]->hostapd_ctrl_interface;
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argv[idx++] = "-g";
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argv[idx++] = wiphys[0]->hostapd_ctrl_interface;
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for (i = 0, ifnames_size = 0; wiphys[i]; i++) {
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if (ifnames_size)
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@ -816,14 +829,14 @@ static pid_t start_hostapd(char **config_files, struct wiphy **wiphys)
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strcpy(ifnames + ifnames_size, wiphys[i]->interface_name);
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ifnames_size += strlen(wiphys[i]->interface_name);
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argv[5 + i] = config_files[i];
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argv[idx++] = config_files[i];
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}
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if (verbose) {
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argv[5 + i] = "-d";
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argv[6 + i] = NULL;
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argv[idx++] = "-d";
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argv[idx++] = NULL;
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} else {
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argv[5 + i] = NULL;
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argv[idx++] = NULL;
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}
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pid = execute_program(argv, false, verbose);
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@ -831,9 +844,8 @@ static pid_t start_hostapd(char **config_files, struct wiphy **wiphys)
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goto exit;
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}
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if (!wait_for_socket(wiphys[0]->hostapd_ctrl_interface, 25 * 10000))
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if (!wait_for_socket(wiphys[0]->hostapd_ctrl_interface, wait))
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pid = -1;
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exit:
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return pid;
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}
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@ -1225,7 +1237,7 @@ done:
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static pid_t start_iwd(const char *config_dir, struct l_queue *wiphy_list,
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const char *ext_options)
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{
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char *argv[9];
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char *argv[11];
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char *iwd_phys = NULL;
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pid_t ret;
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int idx = 0;
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@ -1235,6 +1247,11 @@ static pid_t start_iwd(const char *config_dir, struct l_queue *wiphy_list,
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argv[idx++] = "--leak-check=full";
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}
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if (strcmp(gdb_opt, "iwd") == 0) {
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argv[idx++] = "gdb";
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argv[idx++] = "--args";
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}
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argv[idx++] = BIN_IWD;
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argv[idx++] = "-c";
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argv[idx++] = (char *) config_dir;
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@ -1539,8 +1556,9 @@ start_next_test:
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gettimeofday(&time_before, NULL);
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test_timer_pid = start_execution_timeout_timer(max_exec_interval,
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&test_exec_pid);
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if (!strcmp(gdb_opt, "none"))
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test_timer_pid = start_execution_timeout_timer(
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max_exec_interval, &test_exec_pid);
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test_stats = (struct test_stats *) l_queue_peek_tail(test_stats_queue);
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@ -1742,6 +1760,12 @@ static void create_network_and_run_tests(const void *key, void *value,
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}
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}
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/* turn on/off timeouts if GDB is being used */
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if (!strcmp(gdb_opt, "none"))
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setenv("IWD_TEST_TIMEOUTS", "on", true);
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else
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setenv("IWD_TEST_TIMEOUTS", "off", true);
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if (!create_tmpfs_extra_stuff(tmpfs_extra_stuff))
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goto exit_hwsim;
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@ -2056,6 +2080,18 @@ static void run_tests(void)
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return;
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}
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ptr = strstr(cmdline, "GDB=");
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if (ptr) {
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test_action_str = ptr + 5;
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ptr = strchr(test_action_str, '\'');
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*ptr = '\0';
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gdb_opt = l_strdup(test_action_str);
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}
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ptr = strstr(cmdline, "VALGRIND=");
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if (ptr) {
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@ -2212,7 +2248,9 @@ static void usage(void)
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"\t-V, --valgrind Run valgrind on iwd. Note: \"-v"
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" iwd\" is required\n"
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"\t\t\t\tto see valgrind"
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" output");
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" output\n"
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"\t-g, --gdb <iwd|hostapd> Run gdb on the specified"
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" executable");
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l_info("Commands:\n"
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"\t-A, --auto-tests <dirs> Comma separated list of the "
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"test configuration\n\t\t\t\t"
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@ -2228,6 +2266,7 @@ static const struct option main_options[] = {
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{ "kernel", required_argument, NULL, 'k' },
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{ "verbose", required_argument, NULL, 'v' },
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{ "debug", optional_argument, NULL, 'd' },
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{ "gdb", required_argument, NULL, 'g' },
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{ "valgrind", no_argument, NULL, 'V' },
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{ "help", no_argument, NULL, 'h' },
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{ }
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@ -2254,7 +2293,7 @@ int main(int argc, char *argv[])
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for (;;) {
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int opt;
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opt = getopt_long(argc, argv, "A:U:q:k:v:Vdh", main_options,
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opt = getopt_long(argc, argv, "A:U:q:k:v:g:Vdh", main_options,
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NULL);
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if (opt < 0)
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break;
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@ -2292,6 +2331,15 @@ int main(int argc, char *argv[])
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case 'V':
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valgrind = true;
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break;
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case 'g':
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gdb_opt = optarg;
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if (!(!strcmp(gdb_opt, "iwd") ||
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!strcmp(gdb_opt, "hostapd"))) {
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l_error("--gdb can only be used with iwd"
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" or hostapd");
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return EXIT_FAILURE;
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}
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break;
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case 'h':
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usage();
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return EXIT_SUCCESS;
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