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handle EINTR in enet_socket_wait

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Lee Salzman 2013-05-10 17:49:44 +03:00
parent 5d76b92c54
commit 7dc0189ffb
4 changed files with 40 additions and 16 deletions
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1
ChangeLog
View file

@ -1,6 +1,7 @@
* added enet_linked_version() for checking the linked version
* added enet_socket_get_address() for querying the local address of a socket
* silenced some debugging prints unless ENET_DEBUG is defined during compilation
* handle EINTR in enet_socket_wait() so that enet_host_service() doesn't propagate errors from signals
ENet 1.3.7 (March 6, 2013):

7
include/enet/enet.h
View file

@ -46,9 +46,10 @@ typedef enum _ENetSocketType
typedef enum _ENetSocketWait
{
ENET_SOCKET_WAIT_NONE = 0,
ENET_SOCKET_WAIT_SEND = (1 << 0),
ENET_SOCKET_WAIT_RECEIVE = (1 << 1)
ENET_SOCKET_WAIT_NONE = 0,
ENET_SOCKET_WAIT_SEND = (1 << 0),
ENET_SOCKET_WAIT_RECEIVE = (1 << 1),
ENET_SOCKET_WAIT_INTERRUPT = (1 << 2)
} ENetSocketWait;
typedef enum _ENetSocketOption

18
protocol.c
View file

@ -1895,18 +1895,22 @@ enet_host_service (ENetHost * host, ENetEvent * event, enet_uint32 timeout)
}
}
host -> serviceTime = enet_time_get ();
do
{
host -> serviceTime = enet_time_get ();
if (ENET_TIME_GREATER_EQUAL (host -> serviceTime, timeout))
return 0;
if (ENET_TIME_GREATER_EQUAL (host -> serviceTime, timeout))
return 0;
waitCondition = ENET_SOCKET_WAIT_RECEIVE;
waitCondition = ENET_SOCKET_WAIT_RECEIVE | ENET_SOCKET_WAIT_INTERRUPT;
if (enet_socket_wait (host -> socket, & waitCondition, ENET_TIME_DIFFERENCE (timeout, host -> serviceTime)) != 0)
return -1;
if (enet_socket_wait (host -> socket, & waitCondition, ENET_TIME_DIFFERENCE (timeout, host -> serviceTime)) != 0)
return -1;
}
while (waitCondition & ENET_SOCKET_WAIT_INTERRUPT);
host -> serviceTime = enet_time_get ();
} while (waitCondition == ENET_SOCKET_WAIT_RECEIVE);
} while (waitCondition & ENET_SOCKET_WAIT_RECEIVE);
return 0;
}

22
unix.c
View file

@ -435,7 +435,16 @@ enet_socket_wait (ENetSocket socket, enet_uint32 * condition, enet_uint32 timeou
pollCount = poll (& pollSocket, 1, timeout);
if (pollCount < 0)
return -1;
{
if (errno == EINTR && * condition & ENET_SOCKET_WAIT_INTERRUPT)
{
* condition = ENET_SOCKET_WAIT_INTERRUPT;
return 0;
}
return -1;
}
* condition = ENET_SOCKET_WAIT_NONE;
@ -469,7 +478,16 @@ enet_socket_wait (ENetSocket socket, enet_uint32 * condition, enet_uint32 timeou
selectCount = select (socket + 1, & readSet, & writeSet, NULL, & timeVal);
if (selectCount < 0)
return -1;
{
if (errno == EINTR && * condition & ENET_SOCKET_WAIT_INTERRUPT)
{
* condition = ENET_SOCKET_WAIT_INTERRUPT;
return 0;
}
return -1;
}
* condition = ENET_SOCKET_WAIT_NONE;