signals: fix dependency issues when signals are all disabled

canutils/candump/Kconfig

@@ -6,7 +6,7 @@
 config CANUTILS_CANDUMP
 	tristate "SocketCAN candump tool"
 	default n
-	depends on NET_CAN && CANUTILS_LIBCANUTILS
+	depends on NET_CAN && CANUTILS_LIBCANUTILS && ENABLE_ALL_SIGNALS
 	---help---
 		Enable the SocketCAN candump tool ported from
 		https://github.com/linux-can/can-utils

examples/chrono/Kconfig

@@ -6,7 +6,7 @@
 config EXAMPLES_CHRONO
 	tristate "Chronometer example to use with STM32LDiscover"
 	default n
-	depends on SLCD
+	depends on SLCD && ENABLE_ALL_SIGNALS
 	---help---
 		Enable the Chronometer example
 

examples/djoystick/Kconfig

@@ -6,7 +6,7 @@
 config EXAMPLES_DJOYSTICK
 	tristate "Discrete joystick example"
 	default n
-	depends on INPUT_DJOYSTICK
+	depends on INPUT_DJOYSTICK && ENABLE_ALL_SIGNALS
 	---help---
 		Enable the discrete joystick example
 

examples/i2sloop/Kconfig

@@ -6,6 +6,6 @@
 config EXAMPLES_I2SLOOP
 	tristate "I2S loopback test"
 	default n
-	depends on I2S && AUDIO && DRIVERS_AUDIO && AUDIO_I2SCHAR
+	depends on I2S && AUDIO && DRIVERS_AUDIO && AUDIO_I2SCHAR && ENABLE_ALL_SIGNALS
 	---help---
 		Enable the I2S loopback test

examples/ipforward/ipforward.c

@@ -542,8 +542,16 @@ static FAR void *ipfwd_receiver(FAR void *arg)
   int errcode;
   int i;
 
+#ifdef CONFIG_DISABLE_ALL_SIGNALS
+  pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
+  pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL);
+#endif
+
   for (i = 0; i < IPFWD_NPACKETS; i++)
     {
+#ifdef CONFIG_DISABLE_ALL_SIGNALS
+      pthread_testcancel();
+#endif
       nread = read(fwd->ia_fd, fwd->ia_buffer, IPFWD_BUFSIZE);
       if (nread < 0)
         {
@@ -840,7 +848,12 @@ int main(int argc, FAR char *argv[])
 
   /* Wait for receiver thread to terminate */
 
+#ifdef CONFIG_DISABLE_ALL_SIGNALS
+  pthread_cancel(fwd.if_receiver);
+#else
   pthread_kill(fwd.if_receiver, 9);
+#endif
+
   ret = pthread_join(fwd.if_receiver, &value);
   if (ret != OK)
     {

examples/oneshot/Kconfig

@@ -6,7 +6,7 @@
 config EXAMPLES_ONESHOT
 	tristate "Oneshot timer example"
 	default n
-	depends on ONESHOT
+	depends on ONESHOT && ENABLE_ALL_SIGNALS
 	---help---
 		Enable the oneshot timer driver example
 

examples/shv-nxboot-updater/Kconfig

@@ -5,7 +5,7 @@
 
 menuconfig EXAMPLES_SHV_NXBOOT_UPDATER
 	bool "Silicon Heaven Firmware updates for NXBoot"
-	depends on NETUTILS_LIBSHVC
+	depends on NETUTILS_LIBSHVC && ENABLE_ALL_SIGNALS
 	default n
 	---help---
 		Enable the shv-nxboot-updater application.

examples/usrsocktest/usrsocktest_wake_with_signal.c

@@ -146,11 +146,20 @@ static void do_usrsock_blocking_socket_thread(FAR void *param)
   TEST_ASSERT_TRUE(test_hang);
   TEST_ASSERT_TRUE(test_abort);
 
+#ifdef CONFIG_DISABLE_ALL_SIGNALS
+  pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
+  pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL);
+#endif
+
   /* Allow main thread to hang usrsock daemon at this point. */
 
   sem_post(&tid_startsem);
   sem_wait(&tid_releasesem);
 
+#ifdef CONFIG_DISABLE_ALL_SIGNALS
+  pthread_testcancel();
+#endif
+
   /* Attempt hanging open socket. */
 
   sem_post(&tid_startsem);
@@ -176,6 +185,11 @@ static void do_usrsock_blocking_close_thread(FAR void *param)
   TEST_ASSERT_TRUE(test_hang);
   TEST_ASSERT_TRUE(test_abort);
 
+#ifdef CONFIG_DISABLE_ALL_SIGNALS
+  pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
+  pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL);
+#endif
+
   /* Open socket. */
 
   test_sd[tidx] = socket(AF_INET, SOCK_STREAM, 0);
@@ -190,6 +204,10 @@ static void do_usrsock_blocking_close_thread(FAR void *param)
   sem_post(&tid_startsem);
   sem_wait(&tid_releasesem);
 
+#ifdef CONFIG_DISABLE_ALL_SIGNALS
+  pthread_testcancel();
+#endif
+
   /* Attempt hanging close socket. */
 
   sem_post(&tid_startsem);
@@ -214,6 +232,11 @@ static void do_usrsock_blocking_connect_thread(FAR void *param)
 
   TEST_ASSERT_TRUE(test_hang || !test_hang);
 
+#ifdef CONFIG_DISABLE_ALL_SIGNALS
+  pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
+  pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL);
+#endif
+
   /* Open socket. */
 
   test_sd[tidx] = socket(AF_INET, SOCK_STREAM, 0);
@@ -228,6 +251,10 @@ static void do_usrsock_blocking_connect_thread(FAR void *param)
   sem_post(&tid_startsem);
   sem_wait(&tid_releasesem);
 
+#ifdef CONFIG_DISABLE_ALL_SIGNALS
+  pthread_testcancel();
+#endif
+
   /* Attempt blocking connect. */
 
   sem_post(&tid_startsem);
@@ -257,6 +284,11 @@ static void do_usrsock_blocking_setsockopt_thread(FAR void *param)
   bool test_abort = !!(test_flags & TEST_FLAG_DAEMON_ABORT);
   bool test_hang = !!(test_flags & TEST_FLAG_PAUSE_USRSOCK_HANDLING);
 
+#ifdef CONFIG_DISABLE_ALL_SIGNALS
+  pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
+  pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL);
+#endif
+
   /* Open socket. */
 
   test_sd[tidx] = socket(AF_INET, SOCK_STREAM, 0);
@@ -274,6 +306,10 @@ static void do_usrsock_blocking_setsockopt_thread(FAR void *param)
   sem_post(&tid_startsem);
   sem_wait(&tid_releasesem);
 
+#ifdef CONFIG_DISABLE_ALL_SIGNALS
+  pthread_testcancel();
+#endif
+
   /* Attempt hanging setsockopt. */
 
   sem_post(&tid_startsem);
@@ -304,6 +340,11 @@ static void do_usrsock_blocking_getsockopt_thread(FAR void *param)
   bool test_abort = !!(test_flags & TEST_FLAG_DAEMON_ABORT);
   bool test_hang = !!(test_flags & TEST_FLAG_PAUSE_USRSOCK_HANDLING);
 
+#ifdef CONFIG_DISABLE_ALL_SIGNALS
+  pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
+  pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL);
+#endif
+
   /* Open socket. */
 
   test_sd[tidx] = socket(AF_INET, SOCK_STREAM, 0);
@@ -321,6 +362,10 @@ static void do_usrsock_blocking_getsockopt_thread(FAR void *param)
   sem_post(&tid_startsem);
   sem_wait(&tid_releasesem);
 
+#ifdef CONFIG_DISABLE_ALL_SIGNALS
+  pthread_testcancel();
+#endif
+
   /* Attempt hanging getsockopt. */
 
   sem_post(&tid_startsem);
@@ -352,6 +397,11 @@ static void do_usrsock_blocking_send_thread(FAR void *param)
 
   TEST_ASSERT_TRUE(test_hang || !test_hang);
 
+#ifdef CONFIG_DISABLE_ALL_SIGNALS
+  pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
+  pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL);
+#endif
+
   /* Open socket. */
 
   test_sd[tidx] = socket(AF_INET, SOCK_STREAM, 0);
@@ -372,6 +422,10 @@ static void do_usrsock_blocking_send_thread(FAR void *param)
   sem_post(&tid_startsem);
   sem_wait(&tid_releasesem);
 
+#ifdef CONFIG_DISABLE_ALL_SIGNALS
+  pthread_testcancel();
+#endif
+
   /* Attempt blocking send. */
 
   sem_post(&tid_startsem);
@@ -401,6 +455,11 @@ static void do_usrsock_blocking_recv_thread(FAR void *param)
 
   TEST_ASSERT_TRUE(test_hang || !test_hang);
 
+#ifdef CONFIG_DISABLE_ALL_SIGNALS
+  pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
+  pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL);
+#endif
+
   /* Open socket. */
 
   test_sd[tidx] = socket(AF_INET, SOCK_STREAM, 0);
@@ -421,6 +480,10 @@ static void do_usrsock_blocking_recv_thread(FAR void *param)
   sem_post(&tid_startsem);
   sem_wait(&tid_releasesem);
 
+#ifdef CONFIG_DISABLE_ALL_SIGNALS
+  pthread_testcancel();
+#endif
+
   /* Attempt blocking recv. */
 
   sem_post(&tid_startsem);
@@ -454,6 +517,11 @@ static void do_usrsock_blocking_poll_thread(FAR void *param)
   TEST_ASSERT_TRUE(test_abort);
   TEST_ASSERT_TRUE(test_hang || !test_hang);
 
+#ifdef CONFIG_DISABLE_ALL_SIGNALS
+  pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
+  pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL);
+#endif
+
   /* Open socket. */
 
   test_sd[tidx] = socket(AF_INET, SOCK_STREAM, 0);
@@ -474,6 +542,10 @@ static void do_usrsock_blocking_poll_thread(FAR void *param)
   sem_post(&tid_startsem);
   sem_wait(&tid_releasesem);
 
+#ifdef CONFIG_DISABLE_ALL_SIGNALS
+  pthread_testcancel();
+#endif
+
   /* Attempt poll. */
 
   pfd.fd = test_sd[tidx];
@@ -560,8 +632,11 @@ static void do_wake_test(enum e_test_type type, int flags)
 
       for (tidx = 0; tidx < nthreads; tidx++)
         {
+#ifdef CONFIG_DISABLE_ALL_SIGNALS
+          pthread_cancel(tid[tidx]);
+#else
           pthread_kill(tid[tidx], SIGUSR1);
-
+#endif
           /* Wait threads to complete work. */
 
           ret = pthread_join(tid[tidx], NULL);

examples/xedge_demo/Kconfig

@@ -5,11 +5,11 @@
 
 config EXAMPLES_XEDGE_DEMO
 	tristate "Xedge IoT Toolkit Demo"
-	depends on NETUTILS_XEDGE && ALLOW_GPL_COMPONENTS
+	depends on NETUTILS_XEDGE && ALLOW_GPL_COMPONENTS && ENABLE_ALL_SIGNALS
 	default n
 	---help---
 		Simple demonstration of the Xedge IoT Toolkit library.
-		
+
 		This example shows how to integrate and use the Xedge library
 		in your NuttX application. Xedge provides a high-level development
 		environment for creating IoT and industrial device applications

examples/zerocross/Kconfig

@@ -6,7 +6,7 @@
 config EXAMPLES_ZEROCROSS
 	tristate "Zero Cross Detection example"
 	default n
-	depends on SENSORS_ZEROCROSS
+	depends on SENSORS_ZEROCROSS && ENABLE_ALL_SIGNALS
 	---help---
 		Enable the zero cross detection example
 

nshlib/nsh.h

@@ -1179,6 +1179,7 @@ int cmd_switchboot(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char **argv);
   int cmd_unset(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char **argv);
 #endif
 
+#ifndef CONFIG_DISABLE_ALL_SIGNALS
 #ifndef CONFIG_NSH_DISABLE_KILL
   int cmd_kill(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char **argv);
 #endif
@@ -1191,6 +1192,7 @@ int cmd_switchboot(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char **argv);
 #ifndef CONFIG_NSH_DISABLE_USLEEP
   int cmd_usleep(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char **argv);
 #endif
+#endif /* !CONFIG_DISABLE_ALL_SIGNALS */
 
 #ifndef CONFIG_NSH_DISABLE_UPTIME
   int cmd_uptime(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char **argv);

nshlib/nsh_command.c

@@ -304,14 +304,6 @@ static const struct cmdmap_s g_cmdmap[] =
   CMD_MAP("irqinfo",  cmd_irqinfo,  1, 1, NULL),
 #endif
 
-#ifndef CONFIG_NSH_DISABLE_KILL
-  CMD_MAP("kill",     cmd_kill,     2, 3, "[-<signal>] <pid>"),
-#endif
-
-#if defined(CONFIG_FS_PROCFS) && !defined(CONFIG_NSH_DISABLE_PKILL)
-  CMD_MAP("pkill",     cmd_pkill,     2, 3, "[-<signal>] <name>"),
-#endif
-
 #ifndef CONFIG_DISABLE_MOUNTPOINT
 #  if defined(CONFIG_DEV_LOOP) && !defined(CONFIG_NSH_DISABLE_LOSETUP)
   CMD_MAP("losetup",  cmd_losetup,  3, 6,
@@ -575,10 +567,24 @@ static const struct cmdmap_s g_cmdmap[] =
 #endif
 #endif
 
+#ifndef CONFIG_DISABLE_ALL_SIGNALS
+#ifndef CONFIG_NSH_DISABLE_KILL
+  CMD_MAP("kill",     cmd_kill,     2, 3, "[-<signal>] <pid>"),
+#endif
+
+#if defined(CONFIG_FS_PROCFS) && !defined(CONFIG_NSH_DISABLE_PKILL)
+  CMD_MAP("pkill",     cmd_pkill,     2, 3, "[-<signal>] <name>"),
+#endif
+
 #ifndef CONFIG_NSH_DISABLE_SLEEP
   CMD_MAP("sleep",    cmd_sleep,    2, 2, "<sec>"),
 #endif
 
+#ifndef CONFIG_NSH_DISABLE_USLEEP
+  CMD_MAP("usleep",   cmd_usleep,   2, 2, "<usec>"),
+#endif
+#endif
+
 #if !defined(CONFIG_NSH_DISABLESCRIPT) && !defined(CONFIG_NSH_DISABLE_SOURCE)
   CMD_MAP("source",   cmd_source,   2, 2, "<script-path>"),
 #endif
@@ -657,10 +663,6 @@ static const struct cmdmap_s g_cmdmap[] =
 #  endif
 #endif
 
-#ifndef CONFIG_NSH_DISABLE_USLEEP
-  CMD_MAP("usleep",   cmd_usleep,   2, 2, "<usec>"),
-#endif
-
 #ifndef CONFIG_NSH_DISABLE_WATCH
   CMD_MAP("watch",     cmd_watch,
           2, 6, "[-n] interval [-c] count <command>"),