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Patch for improving unload on zap (thanks James)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@1846 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2003-12-09 19:39:47 +00:00
parent 64e4031fb7
commit a5e6cf5003
1 changed files with 106 additions and 91 deletions
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195
channels/chan_zap.c
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@@ -6914,7 +6914,73 @@ static int action_zapdialoffhook(struct mansession *s, struct message *m)
return 0;
}
int load_module()
static int zt_unload(void)
{
struct zt_pvt *p, *pl;
/* First, take us out of the channel loop */
ast_channel_unregister(type);
ast_channel_unregister(typecompat);
ast_cli_unregister(&cli_show_channels);
ast_cli_unregister(&cli_show_channel);
ast_cli_unregister(&cli_destroy_channel);
if (!ast_mutex_lock(&iflock)) {
/* Hangup all interfaces if they have an owner */
p = iflist;
while(p) {
if (p->owner)
ast_softhangup(p->owner, AST_SOFTHANGUP_APPUNLOAD);
p = p->next;
}
iflist = NULL;
ast_mutex_unlock(&iflock);
} else {
ast_log(LOG_WARNING, "Unable to lock the monitor\n");
return -1;
}
if (!ast_mutex_lock(&monlock)) {
if (monitor_thread) {
pthread_cancel(monitor_thread);
pthread_kill(monitor_thread, SIGURG);
pthread_join(monitor_thread, NULL);
}
monitor_thread = -2;
ast_mutex_unlock(&monlock);
} else {
ast_log(LOG_WARNING, "Unable to lock the monitor\n");
return -1;
}
if (!ast_mutex_lock(&iflock)) {
/* Destroy all the interfaces and free their memory */
p = iflist;
while(p) {
/* Free any callerid */
if (p->cidspill)
free(p->cidspill);
/* Close the zapata thingy */
if (p->subs[SUB_REAL].zfd > -1)
zt_close(p->subs[SUB_REAL].zfd);
pl = p;
p = p->next;
/* Free associated memory */
free(pl);
}
iflist = NULL;
ast_mutex_unlock(&iflock);
} else {
ast_log(LOG_WARNING, "Unable to lock the monitor\n");
return -1;
}
return 0;
}
int unload_module()
{
return zt_unload();
}
static int setup_zap(void)
{
struct ast_config *cfg;
struct ast_variable *v;
@@ -6924,17 +6990,8 @@ int load_module()
int start, finish,x;
int y;
int cur_radio = 0;
#ifdef ZAPATA_PRI
int offset;
memset(pris, 0, sizeof(pris));
for (y=0;y<NUM_SPANS;y++) {
pris[y].offset = -1;
pris[y].fd = -1;
}
pri_set_error(zt_pri_error);
pri_set_message(zt_pri_message);
#endif
cfg = ast_load(config);
@@ -6959,7 +7016,7 @@ int load_module()
ast_log(LOG_ERROR, "Signalling must be specified before any channels are.\n");
ast_destroy(cfg);
ast_mutex_unlock(&iflock);
unload_module();
zt_unload();
return -1;
}
c = v->value;
@@ -6976,7 +7033,7 @@ int load_module()
ast_log(LOG_ERROR, "Syntax error parsing '%s' at '%s'\n", v->value, chan);
ast_destroy(cfg);
ast_mutex_unlock(&iflock);
unload_module();
zt_unload();
return -1;
}
if (finish < start) {
@@ -6994,7 +7051,7 @@ int load_module()
ast_log(LOG_ERROR, "Unable to register channel '%s'\n", v->value);
ast_destroy(cfg);
ast_mutex_unlock(&iflock);
unload_module();
zt_unload();
return -1;
}
}
@@ -7236,7 +7293,7 @@ int load_module()
ast_log(LOG_ERROR, "Unknown switchtype '%s'\n", v->value);
ast_destroy(cfg);
ast_mutex_unlock(&iflock);
unload_module();
zt_unload();
return -1;
}
} else if (!strcasecmp(v->name, "minunused")) {
@@ -7253,19 +7310,6 @@ int load_module()
v = v->next;
}
ast_mutex_unlock(&iflock);
/* Make sure we can register our Zap channel type */
if (ast_channel_register(type, tdesc, AST_FORMAT_SLINEAR | AST_FORMAT_ULAW, zt_request)) {
ast_log(LOG_ERROR, "Unable to register channel class %s\n", type);
ast_destroy(cfg);
unload_module();
return -1;
}
if (ast_channel_register(typecompat, tdesc, AST_FORMAT_SLINEAR | AST_FORMAT_ULAW, zt_request)) {
ast_log(LOG_ERROR, "Unable to register channel class %s\n", typecompat);
ast_destroy(cfg);
unload_module();
return -1;
}
ast_destroy(cfg);
#ifdef ZAPATA_PRI
for (x=0;x<NUM_SPANS;x++) {
@@ -7286,6 +7330,39 @@ int load_module()
}
}
}
#endif
/* And start the monitor for the first time */
restart_monitor();
return 0;
}
int load_module(void)
{
int res;
#ifdef ZAPATA_PRI
int y;
memset(pris, 0, sizeof(pris));
for (y=0;y<NUM_SPANS;y++) {
pris[y].offset = -1;
pris[y].fd = -1;
}
pri_set_error(zt_pri_error);
pri_set_message(zt_pri_message);
#endif
res = setup_zap();
/* Make sure we can register our Zap channel type */
if (ast_channel_register(type, tdesc, AST_FORMAT_SLINEAR | AST_FORMAT_ULAW, zt_request)) {
ast_log(LOG_ERROR, "Unable to register channel class %s\n", type);
zt_unload();
return -1;
}
if (ast_channel_register(typecompat, tdesc, AST_FORMAT_SLINEAR | AST_FORMAT_ULAW, zt_request)) {
ast_log(LOG_ERROR, "Unable to register channel class %s\n", typecompat);
zt_unload();
return -1;
}
#ifdef ZAPATA_PRI
ast_cli_register(&pri_debug);
ast_cli_register(&pri_no_debug);
ast_cli_register(&pri_really_debug);
@@ -7302,70 +7379,8 @@ int load_module()
ast_manager_register( "ZapTransfer", 0, action_transfer, "Transfer Zap Channel" );
ast_manager_register( "ZapHangup", 0, action_transferhangup, "Hangup Zap Channel" );
ast_manager_register( "ZapDialOffhook", 0, action_zapdialoffhook, "Dial over Zap channel while offhook" );
/* And start the monitor for the first time */
restart_monitor();
return 0;
}
int unload_module()
{
struct zt_pvt *p, *pl;
/* First, take us out of the channel loop */
ast_channel_unregister(type);
ast_channel_unregister(typecompat);
ast_cli_unregister(&cli_show_channels);
ast_cli_unregister(&cli_show_channel);
ast_cli_unregister(&cli_destroy_channel);
if (!ast_mutex_lock(&iflock)) {
/* Hangup all interfaces if they have an owner */
p = iflist;
while(p) {
if (p->owner)
ast_softhangup(p->owner, AST_SOFTHANGUP_APPUNLOAD);
p = p->next;
}
iflist = NULL;
ast_mutex_unlock(&iflock);
} else {
ast_log(LOG_WARNING, "Unable to lock the monitor\n");
return -1;
}
if (!ast_mutex_lock(&monlock)) {
if (monitor_thread) {
pthread_cancel(monitor_thread);
pthread_kill(monitor_thread, SIGURG);
pthread_join(monitor_thread, NULL);
}
monitor_thread = -2;
ast_mutex_unlock(&monlock);
} else {
ast_log(LOG_WARNING, "Unable to lock the monitor\n");
return -1;
}
if (!ast_mutex_lock(&iflock)) {
/* Destroy all the interfaces and free their memory */
p = iflist;
while(p) {
/* Free any callerid */
if (p->cidspill)
free(p->cidspill);
/* Close the zapata thingy */
if (p->subs[SUB_REAL].zfd > -1)
zt_close(p->subs[SUB_REAL].zfd);
pl = p;
p = p->next;
/* Free associated memory */
free(pl);
}
iflist = NULL;
ast_mutex_unlock(&iflock);
} else {
ast_log(LOG_WARNING, "Unable to lock the monitor\n");
return -1;
}
return 0;
return res;
}
#if 0