#include <sys/time.h>
#ifndef SOCK_CLOEXEC
-#define SOCK_CLOEXEC 0
+# define SOCK_CLOEXEC 0
+#endif
+
+#ifndef SOCK_NONBLOCK
+# define SOCK_NONBLOCK 0
+#endif
+
+#ifndef FD_CLOEXEC
+# define FD_CLOEXEC 0
#endif
static memcached_return_t connect_poll(org::libmemcached::Instance* server)
hints.ai_protocol= IPPROTO_TCP;
}
- server->address_info= NULL;
+ assert(server->address_info == NULL);
+ assert(server->address_info_next == NULL);
int errcode;
switch(errcode= getaddrinfo(server->hostname, str_port, &hints, &server->address_info))
{
break;
case EAI_AGAIN:
+ if (server->address_info)
+ {
+ freeaddrinfo(server->address_info);
+ server->address_info= NULL;
+ server->address_info_next= NULL;
+ }
return memcached_set_error(*server, MEMCACHED_TIMEOUT, MEMCACHED_AT, memcached_string_make_from_cstr(gai_strerror(errcode)));
case EAI_SYSTEM:
+ if (server->address_info)
+ {
+ freeaddrinfo(server->address_info);
+ server->address_info= NULL;
+ server->address_info_next= NULL;
+ }
return memcached_set_errno(*server, errno, MEMCACHED_AT, memcached_literal_param("getaddrinfo(EAI_SYSTEM)"));
case EAI_BADFLAGS:
+ if (server->address_info)
+ {
+ freeaddrinfo(server->address_info);
+ server->address_info= NULL;
+ server->address_info_next= NULL;
+ }
return memcached_set_error(*server, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, memcached_literal_param("getaddrinfo(EAI_BADFLAGS)"));
case EAI_MEMORY:
+ if (server->address_info)
+ {
+ freeaddrinfo(server->address_info);
+ server->address_info= NULL;
+ server->address_info_next= NULL;
+ }
return memcached_set_error(*server, MEMCACHED_MEMORY_ALLOCATION_FAILURE, MEMCACHED_AT, memcached_literal_param("getaddrinfo(EAI_MEMORY)"));
default:
{
+ if (server->address_info)
+ {
+ freeaddrinfo(server->address_info);
+ server->address_info= NULL;
+ server->address_info_next= NULL;
+ }
return memcached_set_error(*server, MEMCACHED_HOST_LOOKUP_FAILURE, MEMCACHED_AT, memcached_string_make_from_cstr(gai_strerror(errcode)));
}
}
#else
int flags;
- do
+ if (SOCK_NONBLOCK == 0)
{
- flags= fcntl(server->fd, F_GETFL, 0);
- } while (flags == -1 && (errno == EINTR || errno == EAGAIN));
-
- if (flags == -1)
- {
- memcached_set_errno(*server, errno, NULL);
- }
- else if ((flags & O_NONBLOCK) == 0)
- {
- int rval;
-
do
{
- rval= fcntl(server->fd, F_SETFL, flags | O_NONBLOCK);
- } while (rval == -1 && (errno == EINTR or errno == EAGAIN));
+ flags= fcntl(server->fd, F_GETFL, 0);
+ } while (flags == -1 && (errno == EINTR || errno == EAGAIN));
- if (rval == -1)
+ if (flags == -1)
{
memcached_set_errno(*server, errno, NULL);
}
+ else if ((flags & O_NONBLOCK) == 0)
+ {
+ int rval;
+
+ do
+ {
+ rval= fcntl(server->fd, F_SETFL, flags | O_NONBLOCK);
+ } while (rval == -1 && (errno == EINTR or errno == EAGAIN));
+
+ if (rval == -1)
+ {
+ memcached_set_errno(*server, errno, NULL);
+ }
+ }
}
#endif
}
assert(error == 0);
}
-
/* libmemcached will always use nonblocking IO to avoid write deadlocks */
set_socket_nonblocking(server);
}
#ifndef WIN32
WATCHPOINT_ASSERT(server->fd == INVALID_SOCKET);
- if ((server->fd= socket(AF_UNIX, SOCK_STREAM, 0)) < 0)
+ int type= SOCK_STREAM;
+ if (SOCK_CLOEXEC)
+ {
+ type|= SOCK_CLOEXEC;
+ }
+
+ if (SOCK_NONBLOCK)
+ {
+ type|= SOCK_NONBLOCK;
+ }
+
+ if ((server->fd= socket(AF_UNIX, type, 0)) < 0)
{
memcached_set_errno(*server, errno, NULL);
return MEMCACHED_CONNECTION_FAILURE;
{
WATCHPOINT_ASSERT(server->state == MEMCACHED_SERVER_STATE_NEW);
server->address_info_next= NULL;
- memcached_return_t rc;
- uint32_t counter= 5;
- while (--counter)
- {
- if ((rc= set_hostinfo(server)) != MEMCACHED_TIMEOUT)
- {
- break;
- }
-
-#ifndef WIN32
- struct timespec dream, rem;
-
- dream.tv_nsec= 1000;
- dream.tv_sec= 0;
-
- nanosleep(&dream, &rem);
-#endif
- }
+ memcached_return_t rc= set_hostinfo(server);
if (memcached_failed(rc))
{
}
int type= server->address_info_next->ai_socktype;
- if (HAVE_SOCK_CLOEXEC)
+ if (SOCK_CLOEXEC)
{
type|= SOCK_CLOEXEC;
}
+ if (SOCK_NONBLOCK)
+ {
+ type|= SOCK_NONBLOCK;
+ }
+
if ((server->fd= socket(server->address_info_next->ai_family,
type,
server->address_info_next->ai_protocol)) < 0)
return memcached_set_errno(*server, get_socket_errno(), NULL);
}
- if (HAVE_SOCK_CLOEXEC == 0)
+ // If SOCK_CLOEXEC exists then we don't need to call the following
+ if (SOCK_CLOEXEC == 0)
{
-#ifdef FD_CLOEXEC
- int rval;
- do
+ if (FD_CLOEXEC)
{
- rval= fcntl (server->fd, F_SETFD, FD_CLOEXEC);
- } while (rval == -1 && (errno == EINTR or errno == EAGAIN));
-#endif
+ int rval;
+ do
+ {
+ rval= fcntl (server->fd, F_SETFD, FD_CLOEXEC);
+ } while (rval == -1 && (errno == EINTR or errno == EAGAIN));
+ }
}
set_socket_options(server);