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Some internal functions were not static.

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Correct select bug that would crash on closed sockets.
This commit is contained in:
Diego Nehab 2001-04-16 19:56:33 +00:00
parent bd0bf45979
commit 561177a1dd
1 changed files with 37 additions and 32 deletions
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69
src/luasocket.c
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@ -211,13 +211,13 @@ static char *socket_strerror(void);
static char *connect_strerror(void);
/* socket auxiliary functions */
const char *tcp_trybind(p_sock sock, const char *address,
static const char *tcp_trybind(p_sock sock, const char *address,
unsigned short port, int backlog);
const char *tcp_tryconnect(p_sock sock, const char *address,
static const char *tcp_tryconnect(p_sock sock, const char *address,
unsigned short port);
const char *udp_setpeername(p_sock sock, const char *address,
static const char *udp_setpeername(p_sock sock, const char *address,
unsigned short port);
const char *udp_setsockname(p_sock sock, const char *address,
static const char *udp_setsockname(p_sock sock, const char *address,
unsigned short port);
static void set_reuseaddr(p_sock sock);
static void set_blocking(p_sock sock);
@ -586,24 +586,27 @@ int global_select(lua_State *L)
if (!lua_isnil(L, 1)) {
lua_pushnil(L);
while (lua_next(L, 1)) {
if (lua_tag(L, -1) == tags->table) {
if (lua_tag(L, -1) == tags->table) { /* skip strange fields */
p_sock sock = get_sock(L, -1, tags, NULL);
lua_pushnumber(L, sock->sock);
lua_pushvalue(L, -2);
lua_settable(L, byfds);
if (sock->sock > max) max = sock->sock;
/* a socket can have unread data in our internal buffer. in
* that case, we only call select to find out which of the
* other sockets can be written to or read from immediately. */
if (!bf_isempty(sock)) {
ms = 0;
lua_pushnumber(L, lua_getn(L, canread) + 1);
lua_pushvalue(L, -2);
lua_settable(L, canread);
} else {
FD_SET(sock->sock, &readfds);
prfds = &readfds;
}
if (sock->sock != INVALID_SOCKET) { /* skip closed sockets */
lua_pushnumber(L, sock->sock);
lua_pushvalue(L, -2);
lua_settable(L, byfds);
if (sock->sock > max) max = sock->sock;
/* a socket can have unread data in our internal
buffer. in that case, we only call select to find
out which of the other sockets can be written to
or read from immediately. */
if (!bf_isempty(sock)) {
ms = 0;
lua_pushnumber(L, lua_getn(L, canread) + 1);
lua_pushvalue(L, -2);
lua_settable(L, canread);
} else {
FD_SET(sock->sock, &readfds);
prfds = &readfds;
}
}
}
/* get rid of lua_next value and expose index */
lua_pop(L, 1);
@ -613,14 +616,16 @@ int global_select(lua_State *L)
if (!lua_isnil(L, 2)) {
lua_pushnil(L);
while (lua_next(L, 2)) {
if (lua_tag(L, -1) == tags->table) {
if (lua_tag(L, -1) == tags->table) { /* skip strange fields */
p_sock sock = get_sock(L, -1, tags, NULL);
lua_pushnumber(L, sock->sock);
lua_pushvalue(L, -2);
lua_settable(L, byfds);
if (sock->sock > max) max = sock->sock;
FD_SET(sock->sock, &writefds);
pwfds = &writefds;
if (sock->sock != INVALID_SOCKET) { /* skip closed sockets */
lua_pushnumber(L, sock->sock);
lua_pushvalue(L, -2);
lua_settable(L, byfds);
if (sock->sock > max) max = sock->sock;
FD_SET(sock->sock, &writefds);
pwfds = &writefds;
}
}
/* get rid of lua_next value and expose index */
lua_pop(L, 1);
@ -995,7 +1000,7 @@ static void handle_sigpipe(void)
* Returns
* NULL in case of success, error message otherwise
\*-------------------------------------------------------------------------*/
const char *tcp_tryconnect(p_sock sock, const char *address,
static const char *tcp_tryconnect(p_sock sock, const char *address,
unsigned short port)
{
struct sockaddr_in remote;
@ -1053,7 +1058,7 @@ void set_reuseaddr(p_sock sock)
* Returns
* NULL in case of success, error message otherwise
\*-------------------------------------------------------------------------*/
const char *tcp_trybind(p_sock sock, const char *address,
static const char *tcp_trybind(p_sock sock, const char *address,
unsigned short port, int backlog)
{
struct sockaddr_in local;
@ -1106,7 +1111,7 @@ const char *tcp_trybind(p_sock sock, const char *address,
* Returns
* NULL in case of success, error message otherwise
\*-------------------------------------------------------------------------*/
const char *udp_setsockname(p_sock sock, const char *address,
static const char *udp_setsockname(p_sock sock, const char *address,
unsigned short port)
{
struct sockaddr_in local;
@ -1151,7 +1156,7 @@ const char *udp_setsockname(p_sock sock, const char *address,
* Returns
* NULL in case of success, error message otherwise
\*-------------------------------------------------------------------------*/
const char *udp_setpeername(p_sock sock, const char *address,
static const char *udp_setpeername(p_sock sock, const char *address,
unsigned short port)
{
struct sockaddr_in local;