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Diffstat (limited to 'nuttx/examples/nxflat/tests/signal/signal.c')
-rw-r--r--nuttx/examples/nxflat/tests/signal/signal.c308
1 files changed, 0 insertions, 308 deletions
diff --git a/nuttx/examples/nxflat/tests/signal/signal.c b/nuttx/examples/nxflat/tests/signal/signal.c
deleted file mode 100644
index ff1c58305..000000000
--- a/nuttx/examples/nxflat/tests/signal/signal.c
+++ /dev/null
@@ -1,308 +0,0 @@
-/****************************************************************************
- * examples/nxflat/tests/signal/signal.c
- *
- * Copyright (C) 2009 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <spudmonkey@racsa.co.cr>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- ****************************************************************************/
-
-/****************************************************************************
- * Included Files
- ****************************************************************************/
-
-#include <sys/types.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <signal.h>
-#include <unistd.h>
-#include <string.h>
-#include <errno.h>
-
-/****************************************************************************
- * Definitions
- ****************************************************************************/
-
-#define USEC_PER_MSEC 1000
-#define MSEC_PER_SEC 1000
-#define USEC_PER_SEC (USEC_PER_MSEC * MSEC_PER_SEC)
-#define SHORT_DELAY (USEC_PER_SEC / 3)
-
-/****************************************************************************
- * Private Data
- ****************************************************************************/
-
-static int sigusr1_rcvd = 0;
-static int sigusr2_rcvd = 0;
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: sigusr1_sighandler
- ****************************************************************************/
-
-/* NOTE: it is necessary for functions that are referred to by function pointers
- * pointer to be declared with global scope (at least for ARM). Otherwise,
- * a relocation type that is not supported by NXFLAT is generated by GCC.
- */
-
-void sigusr1_sighandler(int signo)
-{
- printf("sigusr1_sighandler: Received SIGUSR1, signo=%d\n", signo);
- sigusr1_rcvd = 1;
-}
-
-/****************************************************************************
- * Name: sigusr2_sigaction
- ***************************************************************************/
-
-/* NOTE: it is necessary for functions that are referred to by function pointers
- * pointer to be declared with global scope (at least for ARM). Otherwise,
- * a relocation type that is not supported by NXFLAT is generated by GCC.
- */
-
-#ifdef __USE_POSIX199309
-void sigusr2_sigaction(int signo, siginfo_t *siginfo, void *arg)
-{
- printf("sigusr2_sigaction: Received SIGUSR2, signo=%d siginfo=%p arg=%p\n",
- signo, siginfo, arg);
-
-#ifdef HAVE_SIGQUEUE
- if (siginfo)
- {
- printf(" si_signo = %d\n", siginfo->si_signo);
- printf(" si_errno = %d\n", siginfo->si_errno);
- printf(" si_code = %d\n", siginfo->si_code);
- printf(" si_pid = %d\n", siginfo->si_pid);
- printf(" si_uid = %d\n", siginfo->si_uid);
- printf(" si_status = %d\n", siginfo->si_status);
- printf(" si_utime = %ld\n", (long)siginfo->si_utime);
- printf(" si_stime = %ld\n", (long)siginfo->si_stime);
- printf(" si_value = %d\n", siginfo->si_value.sival_int);
- printf(" si_int = %d\n", siginfo->si_int);
- printf(" si_ptr = %p\n", siginfo->si_ptr);
- printf(" si_addr = %p\n", siginfo->si_addr);
- printf(" si_band = %ld\n", siginfo->si_band);
- printf(" si_fd = %d\n", siginfo->si_fd);
- }
-#endif
- sigusr2_rcvd = 1;
-}
-#else
-void sigusr2_sigaction(int signo)
-{
- printf("sigusr2_sigaction: Received SIGUSR2, signo=%d\n", signo);
- sigusr2_rcvd = 1;
-}
-
-#endif
-
-/****************************************************************************
- * Name: sigusr2_sighandler
- ****************************************************************************/
-
-static void sigusr2_sighandler(int signo)
-{
- printf("sigusr2_sighandler: Received SIGUSR2, signo=%d\n", signo);
- sigusr2_rcvd = 1;
-}
-
-/****************************************************************************
- * Public Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: main
- ****************************************************************************/
-
-int main(int argc, char **argv)
-{
- struct sigaction act;
- struct sigaction oact;
- void (*old_sigusr1_sighandler)(int signo);
- void (*old_sigusr2_sighandler)(int signo);
- pid_t mypid = getpid();
-#if defined(__USE_POSIX199309) && defined(HAVE_SIGQUEUE)
- sigval_t sigval;
-#endif
- int status;
-
- printf("Setting up signal handlers from pid=%d\n", mypid);
-
- /* Set up so that sigusr1_sighandler will respond to SIGUSR1 */
-
- old_sigusr1_sighandler = signal(SIGUSR1, sigusr1_sighandler);
- if (old_sigusr1_sighandler == SIG_ERR)
- {
- fprintf(stderr, "Failed to install SIGUSR1 handler, errno=%d\n",
- errno);
- exit(1);
- }
-
- printf("Old SIGUSR1 sighandler at %p\n", old_sigusr1_sighandler);
- printf("New SIGUSR1 sighandler at %p\n", sigusr1_sighandler);
-
- /* Set up so that sigusr2_sigaction will respond to SIGUSR2 */
-
- memset(&act, 0, sizeof(struct sigaction));
- act.sa_sigaction = sigusr2_sigaction;
- act.sa_flags = SA_SIGINFO;
-
- (void)sigemptyset(&act.sa_mask);
-
- status = sigaction(SIGUSR2, &act, &oact);
- if (status != 0)
- {
- fprintf(stderr, "Failed to install SIGUSR2 handler, errno=%d\n",
- errno);
- exit(2);
- }
-
- printf("Old SIGUSR2 sighandler at %p\n", oact.sa_handler);
- printf("New SIGUSR2 sighandler at %p\n", sigusr2_sigaction);
- printf("Raising SIGUSR1 from pid=%d\n", mypid);
-
- fflush(stdout); usleep(SHORT_DELAY);
-
- /* Send SIGUSR1 to ourselves via raise() */
-
- status = raise(SIGUSR1);
- if (status != 0)
- {
- fprintf(stderr, "Failed to raise SIGUSR1, errno=%d\n", errno);
- exit(3);
- }
-
- usleep(SHORT_DELAY);
- printf("SIGUSR1 raised from pid=%d\n", mypid);
-
- /* Verify that we received SIGUSR1 */
-
- if (sigusr1_rcvd == 0)
- {
- fprintf(stderr, "SIGUSR1 not received\n");
- exit(4);
- }
- sigusr1_rcvd = 0;
-
- /* Send SIGUSR2 to ourselves */
-
- printf("Killing SIGUSR2 from pid=%d\n", mypid);
- fflush(stdout); usleep(SHORT_DELAY);
-
-#if defined(__USE_POSIX199309) && defined(HAVE_SIGQUEUE)
- /* Send SIGUSR2 to ourselves via sigqueue() */
-
- sigval.sival_int = 87;
- status = sigqueue(mypid, SIGUSR2, sigval);
- if (status != 0)
- {
- fprintf(stderr, "Failed to queue SIGUSR2, errno=%d\n", errno);
- exit(5);
- }
-
- usleep(SHORT_DELAY);
- printf("SIGUSR2 queued from pid=%d, sigval=97\n", mypid);
-#else
- /* Send SIGUSR2 to ourselves via kill() */
-
- status = kill(mypid, SIGUSR2);
- if (status != 0)
- {
- fprintf(stderr, "Failed to kill SIGUSR2, errno=%d\n", errno);
- exit(5);
- }
-
- usleep(SHORT_DELAY);
- printf("SIGUSR2 killed from pid=%d\n", mypid);
-#endif
- /* Verify that SIGUSR2 was received */
-
- if (sigusr2_rcvd == 0)
- {
- fprintf(stderr, "SIGUSR2 not received\n");
- exit(6);
- }
- sigusr2_rcvd = 0;
-
- /* Remove the sigusr2_sigaction handler and replace the SIGUSR2
- * handler with sigusr2_sighandler.
- */
-
- printf("Resetting SIGUSR2 signal handler from pid=%d\n", mypid);
-
- old_sigusr2_sighandler = signal(SIGUSR2, sigusr2_sighandler);
- if (old_sigusr2_sighandler == SIG_ERR)
- {
- fprintf(stderr, "Failed to install SIGUSR2 handler, errno=%d\n",
- errno);
- exit(7);
- }
-
- printf("Old SIGUSR2 sighandler at %p\n", old_sigusr2_sighandler);
- printf("New SIGUSR2 sighandler at %p\n", sigusr2_sighandler);
-
- /* Verify that the handler that was removed was sigusr2_sigaction */
-
- if ((void*)old_sigusr2_sighandler != (void*)sigusr2_sigaction)
- {
- fprintf(stderr,
- "Old SIGUSR2 signhanlder (%p) is not sigusr2_sigation (%p)\n",
- old_sigusr2_sighandler, sigusr2_sigaction);
- exit(8);
- }
-
- /* Send SIGUSR2 to ourselves via kill() */
-
- printf("Killing SIGUSR2 from pid=%d\n", mypid);
- fflush(stdout); usleep(SHORT_DELAY);
-
- status = kill(mypid, SIGUSR2);
- if (status != 0)
- {
- fprintf(stderr, "Failed to kill SIGUSR2, errno=%d\n", errno);
- exit(9);
- }
-
- usleep(SHORT_DELAY);
- printf("SIGUSR2 killed from pid=%d\n", mypid);
-
- /* Verify that SIGUSR2 was received */
-
- if (sigusr2_rcvd == 0)
- {
- fprintf(stderr, "SIGUSR2 not received\n");
- exit(10);
- }
- sigusr2_rcvd = 0;
-
- return 0;
-}
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