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centralize closing and freeing logic for connections

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This commit is contained in:
Brian Lopez 2010-10-17 16:34:49 -07:00
parent ba4f3612b6
commit 0a7e7ee475
1 changed files with 37 additions and 39 deletions
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76
ext/mysql2/client.c
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@ -104,54 +104,52 @@ static VALUE nogvl_connect(void *ptr) {
return client ? Qtrue : Qfalse; return client ? Qtrue : Qfalse;
} }
static void rb_mysql_client_free(void * ptr) { static VALUE nogvl_close(void *ptr) {
mysql_client_wrapper *wrapper = (mysql_client_wrapper *)ptr;
/*
* we'll send a QUIT message to the server, but that message is more of a
* formality than a hard requirement since the socket is getting shutdown
* anyways, so ensure the socket write does not block our interpreter
*/
int fd = wrapper->client->net.fd;
if (fd >= 0) {
/*
* if the socket is dead we have no chance of blocking,
* so ignore any potential fcntl errors since they don't matter
*/
#ifndef _WIN32
int flags = fcntl(fd, F_GETFL);
if (flags > 0 && !(flags & O_NONBLOCK))
fcntl(fd, F_SETFL, flags | O_NONBLOCK);
#else
u_long iMode = 1;
ioctlsocket(fd, FIONBIO, &iMode);
#endif
}
/* It's safe to call mysql_close() on an already closed connection. */
if (!wrapper->closed) {
mysql_close(wrapper->client);
if (!wrapper->freed) {
free(wrapper->client);
}
}
xfree(ptr);
}
static VALUE nogvl_close(void * ptr) {
mysql_client_wrapper *wrapper = ptr; mysql_client_wrapper *wrapper = ptr;
if (!wrapper->closed) { if (!wrapper->closed) {
wrapper->closed = 1; wrapper->closed = 1;
/*
* we'll send a QUIT message to the server, but that message is more of a
* formality than a hard requirement since the socket is getting shutdown
* anyways, so ensure the socket write does not block our interpreter
*/
int fd = wrapper->client->net.fd;
if (fd >= 0) {
/*
* if the socket is dead we have no chance of blocking,
* so ignore any potential fcntl errors since they don't matter
*/
#ifndef _WIN32
int flags = fcntl(fd, F_GETFL);
if (flags > 0 && !(flags & O_NONBLOCK))
fcntl(fd, F_SETFL, flags | O_NONBLOCK);
#else
u_long iMode = 1;
ioctlsocket(fd, FIONBIO, &iMode);
#endif
}
mysql_close(wrapper->client); mysql_close(wrapper->client);
wrapper->client->net.fd = -1; wrapper->client->net.fd = -1;
if (!wrapper->freed) { }
free(wrapper->client);
} if (!wrapper->freed) {
wrapper->freed = 1;
free(wrapper->client);
} }
return Qnil; return Qnil;
} }
static void rb_mysql_client_free(void * ptr) {
mysql_client_wrapper *wrapper = (mysql_client_wrapper *)ptr;
nogvl_close(wrapper);
xfree(ptr);
}
static VALUE allocate(VALUE klass) { static VALUE allocate(VALUE klass) {
VALUE obj; VALUE obj;
mysql_client_wrapper * wrapper; mysql_client_wrapper * wrapper;