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lwip-contrib-mac
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Copy errno to a local variable for debugging

This commit is contained in:
goldsimon 2010-03-06 12:14:44 +00:00
parent 71c643ae61
commit 5196e5ba4f
1 changed files with 16 additions and 8 deletions
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24
apps/socket_examples/socket_examples.c
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@ -32,6 +32,7 @@ sockex_nonblocking_connect(void *arg)
fd_set errset;
struct timeval tv;
u32_t ticks_a, ticks_b;
int err;
LWIP_UNUSED_ARG(arg);
/* set up address to connect to */
@ -75,14 +76,16 @@ sockex_nonblocking_connect(void *arg)
ret = lwip_connect(s, (struct sockaddr*)&addr, sizeof(addr));
/* should have an error: "inprogress" */
LWIP_ASSERT("ret == -1", ret == -1);
LWIP_ASSERT("errno == EINPROGRESS", errno == EINPROGRESS);
err = errno;
LWIP_ASSERT("errno == EINPROGRESS", err == EINPROGRESS);
/* close */
ret = lwip_close(s);
LWIP_ASSERT("ret == 0", ret == 0);
/* try to close again, should fail with EBADF */
ret = lwip_close(s);
LWIP_ASSERT("ret == -1", ret == -1);
LWIP_ASSERT("errno == EBADF", errno == EBADF);
err = errno;
LWIP_ASSERT("errno == EBADF", err == EBADF);
printf("closing socket in nonblocking connect succeeded\n");
/* now try nonblocking, connect should succeed:
@ -101,12 +104,14 @@ sockex_nonblocking_connect(void *arg)
ret = lwip_connect(s, (struct sockaddr*)&addr, sizeof(addr));
/* should have an error: "inprogress" */
LWIP_ASSERT("ret == -1", ret == -1);
LWIP_ASSERT("errno == EINPROGRESS", errno == EINPROGRESS);
err = errno;
LWIP_ASSERT("errno == EINPROGRESS", err == EINPROGRESS);
/* write should fail, too */
ret = lwip_write(s, "test", 4);
LWIP_ASSERT("ret == -1", ret == -1);
LWIP_ASSERT("errno == EINPROGRESS", errno == EINPROGRESS);
err = errno;
LWIP_ASSERT("errno == EINPROGRESS", err == EINPROGRESS);
FD_ZERO(&readset);
FD_SET(s, &readset);
@ -167,12 +172,14 @@ sockex_nonblocking_connect(void *arg)
ret = lwip_connect(s, (struct sockaddr*)&addr, sizeof(addr));
/* should have an error: "inprogress" */
LWIP_ASSERT("ret == -1", ret == -1);
LWIP_ASSERT("errno == EINPROGRESS", errno == EINPROGRESS);
err = errno;
LWIP_ASSERT("errno == EINPROGRESS", err == EINPROGRESS);
/* write should fail, too */
ret = lwip_write(s, "test", 4);
LWIP_ASSERT("ret == -1", ret == -1);
LWIP_ASSERT("errno == EINPROGRESS", errno == EINPROGRESS);
err = errno;
LWIP_ASSERT("errno == EINPROGRESS", err == EINPROGRESS);
FD_ZERO(&readset);
FD_SET(s, &readset);
@ -216,6 +223,7 @@ sockex_testrecv(void *arg)
{
int s;
int ret;
int err;
int opt;
struct sockaddr_in addr;
size_t len;
@ -254,8 +262,8 @@ sockex_testrecv(void *arg)
/* should time out if the other side is a good HTTP server */
ret = lwip_read(s, rxbuf, 1);
LWIP_ASSERT("ret == -1", ret == -1);
ret = errno;
LWIP_ASSERT("errno == EAGAIN", ret == EAGAIN);
err = errno;
LWIP_ASSERT("errno == EAGAIN", err == EAGAIN);
/* write the rest of a GET request */
#define SNDSTR2 "ET / HTTP_1.1\r\n\r\n"