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mq_receive/send: Return appropriate errnos and stop waiting if signal received.

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@164 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2007-03-28 14:48:42 +00:00
parent c5971231da
commit 3e352ca10b
9 changed files with 527 additions and 260 deletions
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examples/ostest/mqueue.c
+50 -10
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@@ -37,13 +37,17 @@
* Included Files
**************************************************************************/
#include <nuttx/config.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <ctype.h>
#include <fcntl.h>
#include <pthread.h>
#include <mqueue.h>
#include <sched.h>
#include <errno.h>
#include "ostest.h"
@@ -51,11 +55,18 @@
* Private Definitions
**************************************************************************/
#define TEST_MESSAGE "This is a test and only a test"
#define TEST_MESSAGE "This is a test and only a test"
#ifdef SDCC
#define TEST_MSGLEN (31)
#define TEST_MSGLEN (31)
#else
#define TEST_MSGLEN (strlen(TEST_MESSAGE)+1)
#define TEST_MSGLEN (strlen(TEST_MESSAGE)+1)
#endif
#define TEST_SEND_NMSGS (10)
#ifndef CONFIG_DISABLE_SIGNALS
# define TEST_RECEIVE_NMSGS (11)
#else
# define TEST_RECEIVE_NMSGS (10)
#endif
/**************************************************************************
@@ -121,9 +132,9 @@ static void *sender_thread(void *arg)
memcpy(msg_buffer, TEST_MESSAGE, TEST_MSGLEN);
/* Perform the send 10 times */
/* Perform the send TEST_SEND_NMSGS times */
for (i = 0; i < 10; i++)
for (i = 0; i < TEST_SEND_NMSGS; i++)
{
status = mq_send(mqfd, msg_buffer, TEST_MSGLEN, 42);
if (status < 0)
@@ -183,16 +194,27 @@ static void *receiver_thread(void *arg)
pthread_exit((pthread_addr_t)1);
}
/* Perform the receive 10 times */
/* Perform the receive TEST_RECEIVE_NMSGS times */
for (i = 0; i < 10; i++)
for (i = 0; i < TEST_RECEIVE_NMSGS; i++)
{
memset(msg_buffer, 0xaa, TEST_MSGLEN);
nbytes = mq_receive(mqfd, msg_buffer, TEST_MSGLEN, 0);
if (nbytes < 0)
{
printf("receiver_thread: ERROR mq_receive failure on msg %d\n", i);
nerrors++;
/* mq_receive failed. If the error is because of EINTR then
* it is not a failure.
*/
if (*get_errno_ptr() != EINTR)
{
printf("receiver_thread: ERROR mq_receive failure on msg %d, errno=%d\n", i, *get_errno_ptr());
nerrors++;
}
else
{
printf("receiver_thread: mq_receive interrupted!\n", i);
}
}
else if (nbytes != TEST_MSGLEN)
{
@@ -336,8 +358,26 @@ void mqueue_test(void)
printf("mqueue_test: ERROR sender thread exited with %d errors\n", (int)result);
}
#ifndef CONFIG_DISABLE_SIGNALS
/* Wake up the receiver thread with a signal */
printf("mqueue_test: Killing receiver\n");
pthread_kill(receiver, 9);
#endif
/* Wait a bit to see if the thread exits on its own */
usleep(500*1000);
/* Then cancel the thread and see if it did */
printf("mqueue_test: Canceling receiver\n");
pthread_cancel(receiver);
status = pthread_cancel(receiver);
if (status == ESRCH)
{
printf("mqueue_test: receiver has already terminated\n");
}
pthread_join(receiver, &result);
if (result != (void*)0)
{