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Work in progress. The select() notification function is now set per socket instead of globally. Still not fixed.

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9081 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Waldemar Kornewald
2004-09-27 22:37:04 +00:00
parent 88c8085889
commit f02249c7c2
1 changed files with 12 additions and 6 deletions
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src/add-ons/kernel/drivers/network/stack/net_stack_driver.c
+12 -6
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@@ -78,6 +78,7 @@ typedef struct {
uint32 open_flags; // the open() flags (mostly for storing O_NONBLOCK mode)
sem_id selecters_lock; // protect the selecters linked-list
selecter * selecters; // the select()'ers lists (thread-aware)
notify_select_event_function notify;
} net_stack_cookie;
#if STAY_LOADED
@@ -136,9 +137,6 @@ device_hooks g_net_stack_driver_hooks =
struct core_module_info * core = NULL;
// by default, assert we can use kernel select() support
notify_select_event_function g_nse = notify_select_event;
#if STAY_LOADED
int g_stay_loaded_fd = -1;
#endif
@@ -280,6 +278,7 @@ static status_t net_stack_open(const char *name, uint32 flags, void **cookie)
nsc->open_flags = flags;
nsc->selecters_lock = create_sem(1, "socket_selecters_lock");
nsc->selecters = NULL;
nsc->notify = NULL;
// attach this new net_socket_cookie to file descriptor
*cookie = nsc;
@@ -467,7 +466,7 @@ static status_t net_stack_control(void *cookie, uint32 op, void *data, size_t le
case NET_STACK_SELECT:
/* if we get this opcode, we are using the r5 kernel select() call,
* so we can't use his notify_select_event(), but our own implementation! */
g_nse = r5_notify_select_event;
nsc->notify = r5_notify_select_event;
return net_stack_select(cookie, (args->u.select.ref & 0x0F),
args->u.select.ref, args->u.select.sync);
case NET_STACK_DESELECT:
@@ -570,6 +569,10 @@ static status_t net_stack_select(void *cookie, uint8 event, uint32 ref, selectsy
if (! nsc->socket)
return B_BAD_VALUE;
// set notification function if undefined
if(nsc->notify == NULL)
nsc->notify = notify_select_event;
s = (selecter *) malloc(sizeof(selecter));
if (! s)
return B_NO_MEMORY;
@@ -642,6 +645,9 @@ static status_t net_stack_deselect(void *cookie, uint8 event, selectsync *sync)
free(s);
};
nsc->notify = NULL;
// unset notification function
if (nsc->selecters == NULL)
// selecters list is empty: no need to monitor socket events anymore
core->socket_set_event_callback(nsc->socket, NULL, NULL, event);
@@ -679,8 +685,8 @@ static void on_socket_event(void * socket, uint32 event, void * cookie)
s = nsc->selecters;
while (s) {
if (s->event == event)
// notify this selecter (thread/event pair)
g_nse(s->sync, s->ref);
nsc->notify(s->sync, s->ref);
// notify this selecter (thread/event pair)
s = s->next;
};