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-rw-r--r--Modules/socketmodule.c54
1 files changed, 36 insertions, 18 deletions
diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
index a53a702..bb99bde 100644
--- a/Modules/socketmodule.c
+++ b/Modules/socketmodule.c
@@ -708,7 +708,7 @@ internal_setblocking(PySocketSockObject *s, int block)
The argument writing indicates the direction.
This does not raise an exception; we'll let our caller do that
after they've reacquired the interpreter lock.
- Returns 1 on timeout, 0 otherwise. */
+ Returns 1 on timeout, -1 on error, 0 otherwise. */
static int
internal_select(PySocketSockObject *s, int writing)
{
@@ -753,6 +753,9 @@ internal_select(PySocketSockObject *s, int writing)
n = select(s->sock_fd+1, &fds, NULL, NULL, &tv);
}
#endif
+
+ if (n < 0)
+ return -1;
if (n == 0)
return 1;
return 0;
@@ -1552,7 +1555,7 @@ sock_accept(PySocketSockObject *s)
&addrlen);
Py_END_ALLOW_THREADS
- if (timeout) {
+ if (timeout == 1) {
PyErr_SetString(socket_timeout, "timed out");
return NULL;
}
@@ -1923,9 +1926,15 @@ internal_connect(PySocketSockObject *s, struct sockaddr *addr, int addrlen,
if (s->sock_timeout > 0.0) {
if (res < 0 && errno == EINPROGRESS && IS_SELECTABLE(s)) {
timeout = internal_select(s, 1);
- res = connect(s->sock_fd, addr, addrlen);
- if (res < 0 && errno == EISCONN)
- res = 0;
+ if (timeout == 0) {
+ res = connect(s->sock_fd, addr, addrlen);
+ if (res < 0 && errno == EISCONN)
+ res = 0;
+ }
+ else if (timeout == -1)
+ res = errno; /* had error */
+ else
+ res = EWOULDBLOCK; /* timed out */
}
}
@@ -1955,7 +1964,7 @@ sock_connect(PySocketSockObject *s, PyObject *addro)
res = internal_connect(s, addr, addrlen, &timeout);
Py_END_ALLOW_THREADS
- if (timeout) {
+ if (timeout == 1) {
PyErr_SetString(socket_timeout, "timed out");
return NULL;
}
@@ -1989,6 +1998,13 @@ sock_connect_ex(PySocketSockObject *s, PyObject *addro)
res = internal_connect(s, addr, addrlen, &timeout);
Py_END_ALLOW_THREADS
+ /* Signals are not errors (though they may raise exceptions). Adapted
+ from PyErr_SetFromErrnoWithFilenameObject(). */
+#ifdef EINTR
+ if (res == EINTR && PyErr_CheckSignals())
+ return NULL;
+#endif
+
return PyInt_FromLong((long) res);
}
@@ -2209,10 +2225,10 @@ The mode and buffersize arguments are as for the built-in open() function.");
static ssize_t
sock_recv_guts(PySocketSockObject *s, char* cbuf, int len, int flags)
{
- ssize_t outlen = 0;
+ ssize_t outlen = -1;
int timeout;
#ifdef __VMS
- int remaining, nread;
+ int remaining;
char *read_buf;
#endif
@@ -2228,7 +2244,7 @@ sock_recv_guts(PySocketSockObject *s, char* cbuf, int len, int flags)
outlen = recv(s->sock_fd, cbuf, len, flags);
Py_END_ALLOW_THREADS
- if (timeout) {
+ if (timeout == 1) {
PyErr_SetString(socket_timeout, "timed out");
return -1;
}
@@ -2243,6 +2259,7 @@ sock_recv_guts(PySocketSockObject *s, char* cbuf, int len, int flags)
remaining = len;
while (remaining != 0) {
unsigned int segment;
+ int nread = -1;
segment = remaining /SEGMENT_SIZE;
if (segment != 0) {
@@ -2258,7 +2275,7 @@ sock_recv_guts(PySocketSockObject *s, char* cbuf, int len, int flags)
nread = recv(s->sock_fd, read_buf, segment, flags);
Py_END_ALLOW_THREADS
- if (timeout) {
+ if (timeout == 1) {
PyErr_SetString(socket_timeout, "timed out");
return -1;
}
@@ -2406,7 +2423,7 @@ sock_recvfrom_guts(PySocketSockObject *s, char* cbuf, int len, int flags,
{
sock_addr_t addrbuf;
int timeout;
- ssize_t n = 0;
+ ssize_t n = -1;
socklen_t addrlen;
*addr = NULL;
@@ -2438,7 +2455,7 @@ sock_recvfrom_guts(PySocketSockObject *s, char* cbuf, int len, int flags,
}
Py_END_ALLOW_THREADS
- if (timeout) {
+ if (timeout == 1) {
PyErr_SetString(socket_timeout, "timed out");
return -1;
}
@@ -2553,7 +2570,7 @@ static PyObject *
sock_send(PySocketSockObject *s, PyObject *args)
{
char *buf;
- int len, n = 0, flags = 0, timeout;
+ int len, n = -1, flags = 0, timeout;
if (!PyArg_ParseTuple(args, "s#|i:send", &buf, &len, &flags))
return NULL;
@@ -2571,7 +2588,7 @@ sock_send(PySocketSockObject *s, PyObject *args)
#endif
Py_END_ALLOW_THREADS
- if (timeout) {
+ if (timeout == 1) {
PyErr_SetString(socket_timeout, "timed out");
return NULL;
}
@@ -2594,7 +2611,7 @@ static PyObject *
sock_sendall(PySocketSockObject *s, PyObject *args)
{
char *buf;
- int len, n = 0, flags = 0, timeout;
+ int len, n = -1, flags = 0, timeout;
if (!PyArg_ParseTuple(args, "s#|i:sendall", &buf, &len, &flags))
return NULL;
@@ -2605,6 +2622,7 @@ sock_sendall(PySocketSockObject *s, PyObject *args)
Py_BEGIN_ALLOW_THREADS
do {
timeout = internal_select(s, 1);
+ n = -1;
if (timeout)
break;
#ifdef __VMS
@@ -2619,7 +2637,7 @@ sock_sendall(PySocketSockObject *s, PyObject *args)
} while (len > 0);
Py_END_ALLOW_THREADS
- if (timeout) {
+ if (timeout == 1) {
PyErr_SetString(socket_timeout, "timed out");
return NULL;
}
@@ -2647,7 +2665,7 @@ sock_sendto(PySocketSockObject *s, PyObject *args)
PyObject *addro;
char *buf;
struct sockaddr *addr;
- int addrlen, len, n = 0, flags, timeout;
+ int addrlen, len, n = -1, flags, timeout;
flags = 0;
if (!PyArg_ParseTuple(args, "s#O:sendto", &buf, &len, &addro)) {
@@ -2669,7 +2687,7 @@ sock_sendto(PySocketSockObject *s, PyObject *args)
n = sendto(s->sock_fd, buf, len, flags, addr, addrlen);
Py_END_ALLOW_THREADS
- if (timeout) {
+ if (timeout == 1) {
PyErr_SetString(socket_timeout, "timed out");
return NULL;
}