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fixed bug #31748 (Calling non-blocking connect more than once can render a socket useless) since it mainly involves changing "FATAL" classification of error codes: ERR_USE and ERR_ISCONN just aren't fatal.

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This commit is contained in:
goldsimon 2011-03-14 21:21:26 +00:00
parent d793ed3b9b
commit 7203680146
5 changed files with 31 additions and 32 deletions
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5
CHANGELOG
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@ -233,6 +233,11 @@ HISTORY
++ Bugfixes:
2011-03-14: Simon Goldschmidt
* err.h/.c, sockets.c, api_msg.c: fixed bug #31748 (Calling non-blocking connect
more than once can render a socket useless) since it mainly involves changing
"FATAL" classification of error codes: ERR_USE and ERR_ISCONN just aren't fatal.
2011-03-13: Simon Goldschmidt
* sockets.c: fixed bug #32769 (ESHUTDOWN is linux-specific) by fixing
err_to_errno_table (ERR_CLSD: ENOTCONN instead of ESHUTDOWN), ERR_ISCONN:

7
src/api/api_msg.c
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@ -950,12 +950,7 @@ do_connected(void *arg, struct tcp_pcb *pcb, err_t err)
conn->current_msg = NULL;
conn->state = NETCONN_NONE;
if (!was_blocking) {
SYS_ARCH_DECL_PROTECT(lev);
SYS_ARCH_PROTECT(lev);
if (conn->last_err == ERR_INPROGRESS) {
conn->last_err = ERR_OK;
}
SYS_ARCH_UNPROTECT(lev);
NETCONN_SET_SAFE_ERR(conn, ERR_OK);
}
API_EVENT(conn, NETCONN_EVT_SENDPLUS, 0);

16
src/api/err.c
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@ -49,14 +49,14 @@ static const char *err_strerr[] = {
"Operation in progress.", /* ERR_INPROGRESS -5 */
"Illegal value.", /* ERR_VAL -6 */
"Operation would block.", /* ERR_WOULDBLOCK -7 */
"Connection aborted.", /* ERR_ABRT -8 */
"Connection reset.", /* ERR_RST -9 */
"Connection closed.", /* ERR_CLSD -10 */
"Not connected.", /* ERR_CONN -11 */
"Illegal argument.", /* ERR_ARG -12 */
"Address in use.", /* ERR_USE -13 */
"Low-level netif error.", /* ERR_IF -14 */
"Already connected.", /* ERR_ISCONN -15 */
"Address in use.", /* ERR_USE -8 */
"Already connected.", /* ERR_ISCONN -9 */
"Connection aborted.", /* ERR_ABRT -10 */
"Connection reset.", /* ERR_RST -11 */
"Connection closed.", /* ERR_CLSD -12 */
"Not connected.", /* ERR_CONN -13 */
"Illegal argument.", /* ERR_ARG -14 */
"Low-level netif error.", /* ERR_IF -15 */
};
/**

16
src/api/sockets.c
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@ -141,14 +141,14 @@ static const int err_to_errno_table[] = {
EINPROGRESS, /* ERR_INPROGRESS -5 Operation in progress */
EINVAL, /* ERR_VAL -6 Illegal value. */
EWOULDBLOCK, /* ERR_WOULDBLOCK -7 Operation would block. */
ECONNABORTED, /* ERR_ABRT -8 Connection aborted. */
ECONNRESET, /* ERR_RST -9 Connection reset. */
ENOTCONN, /* ERR_CLSD -10 Connection closed. */
ENOTCONN, /* ERR_CONN -11 Not connected. */
EIO, /* ERR_ARG -12 Illegal argument. */
EADDRINUSE, /* ERR_USE -13 Address in use. */
-1, /* ERR_IF -14 Low-level netif error */
EALREADY, /* ERR_ISCONN -15 Already connected. */
EADDRINUSE, /* ERR_USE -8 Address in use. */
EALREADY, /* ERR_ISCONN -9 Already connected. */
ECONNABORTED, /* ERR_ABRT -10 Connection aborted. */
ECONNRESET, /* ERR_RST -11 Connection reset. */
ENOTCONN, /* ERR_CLSD -12 Connection closed. */
ENOTCONN, /* ERR_CONN -13 Not connected. */
EIO, /* ERR_ARG -14 Illegal argument. */
-1, /* ERR_IF -15 Low-level netif error */
};
#define ERR_TO_ERRNO_TABLE_SIZE \

19
src/include/lwip/err.h
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@ -57,20 +57,19 @@ typedef s8_t err_t;
#define ERR_INPROGRESS -5 /* Operation in progress */
#define ERR_VAL -6 /* Illegal value. */
#define ERR_WOULDBLOCK -7 /* Operation would block. */
#define ERR_USE -8 /* Address in use. */
#define ERR_ISCONN -9 /* Already connected. */
#define ERR_IS_FATAL(e) ((e) < ERR_WOULDBLOCK)
#define ERR_IS_FATAL(e) ((e) < ERR_ISCONN)
#define ERR_ABRT -8 /* Connection aborted. */
#define ERR_RST -9 /* Connection reset. */
#define ERR_CLSD -10 /* Connection closed. */
#define ERR_CONN -11 /* Not connected. */
#define ERR_ABRT -10 /* Connection aborted. */
#define ERR_RST -11 /* Connection reset. */
#define ERR_CLSD -12 /* Connection closed. */
#define ERR_CONN -13 /* Not connected. */
#define ERR_ARG -12 /* Illegal argument. */
#define ERR_ARG -14 /* Illegal argument. */
#define ERR_USE -13 /* Address in use. */
#define ERR_IF -14 /* Low-level netif error */
#define ERR_ISCONN -15 /* Already connected. */
#define ERR_IF -15 /* Low-level netif error */
#ifdef LWIP_DEBUG