Added redirection test

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@790 42af7a65-404d-4744-a932-0658087f49c3

examples/pipe/Makefile

@@ -38,7 +38,7 @@
 
 ASRCS	= 
 AOBJS	= $(ASRCS:.S=$(OBJEXT))
-CSRCS	= pipe_main.c transfer_test.c interlock_test.c
+CSRCS	= pipe_main.c transfer_test.c interlock_test.c redirect_test.c
 COBJS	= $(CSRCS:.c=$(OBJEXT))
 
 SRCS	= $(ASRCS) $(CSRCS)

examples/pipe/interlock_test.c

@@ -97,7 +97,10 @@ static void *null_writer(pthread_addr_t pvarg)
   /* Then close the FIFO */
 
   printf("null_writer: Closing %s\n", FIFO_PATH2);
-  close(fd);
+  if (close(fd) != 0)
+    {
+      fprintf(stderr, "null_writer: close failed: %d\n", errno);
+    }
   sleep(5);
   
   printf("null_writer: Returning success\n");
@@ -177,7 +180,10 @@ int interlock_test(void)
   /* Close the file */
 
   printf("interlock_test: Closing %s\n", FIFO_PATH2);
-  close(fd);
+  if (close(fd) != 0)
+    {
+      fprintf(stderr, "interlock_test: close failed: %d\n", errno);
+    }
 
   /* Wait for null_writer thread to complete */
 
@@ -204,7 +210,10 @@ int interlock_test(void)
   return 0;
 
 errout_with_file:
-  close(fd);
+  if (close(fd) != 0)
+    {
+      fprintf(stderr, "interlock_test: close failed: %d\n", errno);
+    }
 errout_with_thread:
   pthread_detach(writerid);
   pthread_cancel(writerid);

examples/pipe/pipe.h

@@ -51,6 +51,10 @@
 #define FIFO_PATH1 "/tmp/testfifo-1"
 #define FIFO_PATH2 "/tmp/testfifo-2"
 
+#ifndef CONFIG_EXAMPLES_PIPE_STACKSIZE
+#  define CONFIG_EXAMPLES_PIPE_STACKSIZE 1024
+#endif
+
 /****************************************************************************
  * Public Types
  ****************************************************************************/
@@ -65,5 +69,6 @@
 
 extern int transfer_test(int fdin, int fdout);
 extern int interlock_test(void);
+extern int redirection_test(void);
 
 #endif /* __EXAMPLES_PIPE_PIPE_H */