native: coverage exclusions

Just some exclusions to coverage in code which cannot be
reached, or can only be reached in error conditions

Signed-off-by: Alberto Escolar Piedras <[email protected]>

Author: aescolar

arch/posix/core/swap.c

@@ -99,7 +99,7 @@ void _arch_switch_to_main_thread(struct k_thread *main_thread,
 	_kernel.current = _kernel.ready_q.cache;
 
 	posix_main_thread_start(ready_thread_ptr->thread_idx);
-}
+} /* LCOV_EXCL_LINE */
 #endif
 
 #ifdef CONFIG_SYS_POWER_MANAGEMENT

boards/posix/native_posix/hw_models_top.c

@@ -17,6 +17,7 @@
 #include "irq_ctrl.h"
 #include "posix_board_if.h"
 #include "posix_soc_if.h"
+#include "posix_arch_internal.h"
 
 
 static u64_t device_time; /* The actual time as known by the device */
@@ -66,37 +67,29 @@ void hwm_signal_end_handler(int sig)
 void hwm_set_sig_handler(void)
 {
 	struct sigaction act;
-	int e;
 
 	act.sa_handler = hwm_signal_end_handler;
-	e = sigemptyset(&act.sa_mask);
-	if (e) {
-		posix_print_error_and_exit("Error on sigemptyset()\n");
-	}
+	_SAFE_CALL(sigemptyset(&act.sa_mask));
 
 	act.sa_flags = SA_RESETHAND;
 
-	e = sigaction(SIGTERM, &act, NULL);
-	if (e) {
-		posix_print_error_and_exit("Error on sigaction()\n");
-	}
-	e = sigaction(SIGINT, &act, NULL);
-	if (e) {
-		posix_print_error_and_exit("Error on sigaction()\n");
-	}
+	_SAFE_CALL(sigaction(SIGTERM, &act, NULL));
+	_SAFE_CALL(sigaction(SIGINT, &act, NULL));
 }
 
 
 static void hwm_sleep_until_next_timer(void)
 {
-	if (next_timer_time >= device_time) {
+	if (next_timer_time >= device_time) { /* LCOV_EXCL_BR_LINE */
 		device_time = next_timer_time;
 	} else {
+		/* LCOV_EXCL_START */
 		posix_print_warning("next_timer_time corrupted (%"PRIu64"<= %"
 				PRIu64", timer idx=%i)\n",
 				next_timer_time,
 				device_time,
 				next_timer_index);
+		/* LCOV_EXCL_STOP */
 	}
 
 	if (signaled_end || (device_time >= end_of_time)) {
@@ -134,17 +127,19 @@ void hwm_main_loop(void)
 	while (1) {
 		hwm_sleep_until_next_timer();
 
-		switch (next_timer_index) {
+		switch (next_timer_index) { /* LCOV_EXCL_BR_LINE */
 		case HWTIMER:
 			hwtimer_timer_reached();
 			break;
 		case IRQCNT:
 			hw_irq_ctrl_timer_triggered();
 			break;
 		default:
+			/* LCOV_EXCL_START */
 			posix_print_error_and_exit(
 					"next_timer_index corrupted\n");
 			break;
+			/* LCOV_EXCL_STOP */
 		}
 
 		hwm_find_next_timer();

boards/posix/native_posix/irq_handler.c

@@ -36,10 +36,12 @@ static inline void vector_to_irq(int irq_nbr, int *may_swap)
 	/* _int_latency_start(); */
 	_sys_k_event_logger_interrupt();
 
-	if (irq_vector_table[irq_nbr].func == NULL) {
+	if (irq_vector_table[irq_nbr].func == NULL) { /* LCOV_EXCL_BR_LINE */
+		/* LCOV_EXCL_START */
 		posix_print_error_and_exit("Received irq %i without a "
 					"registered handler\n",
 					irq_nbr);
+		/* LCOV_EXCL_STOP */
 	} else {
 		if (irq_vector_table[irq_nbr].flags & ISR_FLAG_DIRECT) {
 			*may_swap |= ((direct_irq_f_ptr)
@@ -129,10 +131,12 @@ void posix_irq_handler_im_from_sw(void)
 	 * handler
 	 */
 	if (hw_irq_ctrl_get_highest_prio_irq() != -1) {
-		if (!posix_is_cpu_running()) {
-			posix_print_error_and_exit("programming error: "
-					"nrf_irq_cont_handler_irq_im_from_sw() "
-					"called from a HW model thread\n");
+		if (!posix_is_cpu_running()) { /* LCOV_EXCL_BR_LINE */
+			/* LCOV_EXCL_START */
+			posix_print_error_and_exit("programming error: %s "
+					"called from a HW model thread\n",
+					__func__);
+			/* LCOV_EXCL_STOP */
 		}
 		posix_irq_handler();
 	}
@@ -223,11 +227,6 @@ int _arch_irq_is_enabled(unsigned int irq)
 	return hw_irq_ctrl_is_irq_enabled(irq);
 }
 
-void _arch_isr_direct_header(void)
-{
-	/* Nothing to be done */
-}
-
 int posix_get_current_irq(void)
 {
 	return currently_running_irq;