X-Git-Url: http://git.demorecorder.com/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fxcb_out.c;h=fbce7a0ea02bf22c63bbac167846af91b4205957;hb=29cca33b9001961fa2c33bb9d9fe4a9983913fce;hp=ad4240a3ba75e8e5060412a7dd13966ed120b0b2;hpb=059ca642c76639fee958dc6054070de85e257e98;p=free-sw%2Fxcb%2Flibxcb diff --git a/src/xcb_out.c b/src/xcb_out.c index ad4240a..fbce7a0 100644 --- a/src/xcb_out.c +++ b/src/xcb_out.c @@ -52,7 +52,26 @@ static int write_block(xcb_connection_t *c, struct iovec *vector, int count) vector[0].iov_base = c->out.queue; vector[0].iov_len = c->out.queue_len; c->out.queue_len = 0; - return _xcb_out_send(c, &vector, &count); + return _xcb_out_send(c, vector, count); +} + +static void get_socket_back(xcb_connection_t *c) +{ + while(c->out.return_socket && c->out.socket_moving) + pthread_cond_wait(&c->out.socket_cond, &c->iolock); + if(!c->out.return_socket) + return; + + c->out.socket_moving = 1; + pthread_mutex_unlock(&c->iolock); + c->out.return_socket(c->out.socket_closure); + pthread_mutex_lock(&c->iolock); + c->out.socket_moving = 0; + + pthread_cond_broadcast(&c->out.socket_cond); + c->out.return_socket = 0; + c->out.socket_closure = 0; + _xcb_in_replies_done(c); } /* Public interface */ @@ -112,7 +131,7 @@ unsigned int xcb_send_request(xcb_connection_t *c, int flags, struct iovec *vect } fields; uint32_t packet; } sync_req = { { /* GetInputFocus */ 43, 0, 1 } }; - unsigned int request; + uint64_t request; uint32_t prefix[3] = { 0 }; int veclen = req->count; enum workarounds workaround = WORKAROUND_NONE; @@ -191,6 +210,7 @@ unsigned int xcb_send_request(xcb_connection_t *c, int flags, struct iovec *vect /* wait for other writing threads to get out of my way. */ while(c->out.writing) pthread_cond_wait(&c->out.cond, &c->iolock); + get_socket_back(c); request = ++c->out.request; /* send GetInputFocus (sync_req) when 64k-2 requests have been sent without @@ -222,7 +242,7 @@ unsigned int xcb_send_request(xcb_connection_t *c, int flags, struct iovec *vect vector[1].iov_base = (uint32_t *) vector[1].iov_base + 1; vector[1].iov_len -= sizeof(uint32_t); } - vector[0].iov_len = sizeof(uint32_t) * (prefix[0] ? 1 : 0 | prefix[2] ? 2 : 0); + vector[0].iov_len = sizeof(uint32_t) * ((prefix[0] ? 1 : 0) + (prefix[2] ? 2 : 0)); vector[0].iov_base = prefix + !prefix[0]; } @@ -235,6 +255,39 @@ unsigned int xcb_send_request(xcb_connection_t *c, int flags, struct iovec *vect return request; } +int xcb_take_socket(xcb_connection_t *c, void (*return_socket)(void *closure), void *closure, int flags, uint64_t *sent) +{ + int ret; + if(c->has_error) + return 0; + pthread_mutex_lock(&c->iolock); + get_socket_back(c); + ret = _xcb_out_flush_to(c, c->out.request); + if(ret) + { + c->out.return_socket = return_socket; + c->out.socket_closure = closure; + if(flags) + _xcb_in_expect_reply(c, c->out.request, WORKAROUND_EXTERNAL_SOCKET_OWNER, flags); + assert(c->out.request == c->out.request_written); + *sent = c->out.request; + } + pthread_mutex_unlock(&c->iolock); + return ret; +} + +int xcb_writev(xcb_connection_t *c, struct iovec *vector, int count, uint64_t requests) +{ + int ret; + if(c->has_error) + return 0; + pthread_mutex_lock(&c->iolock); + c->out.request += requests; + ret = _xcb_out_send(c, vector, count); + pthread_mutex_unlock(&c->iolock); + return ret; +} + int xcb_flush(xcb_connection_t *c) { int ret; @@ -250,6 +303,12 @@ int xcb_flush(xcb_connection_t *c) int _xcb_out_init(_xcb_out *out) { + if(pthread_cond_init(&out->socket_cond, 0)) + return 0; + out->return_socket = 0; + out->socket_closure = 0; + out->socket_moving = 0; + if(pthread_cond_init(&out->cond, 0)) return 0; out->writing = 0; @@ -272,29 +331,29 @@ void _xcb_out_destroy(_xcb_out *out) pthread_mutex_destroy(&out->reqlenlock); } -int _xcb_out_send(xcb_connection_t *c, struct iovec **vector, int *count) +int _xcb_out_send(xcb_connection_t *c, struct iovec *vector, int count) { int ret = 1; - while(ret && *count) - ret = _xcb_conn_wait(c, &c->out.cond, vector, count); + while(ret && count) + ret = _xcb_conn_wait(c, &c->out.cond, &vector, &count); c->out.request_written = c->out.request; pthread_cond_broadcast(&c->out.cond); + _xcb_in_wake_up_next_reader(c); return ret; } -int _xcb_out_flush_to(xcb_connection_t *c, unsigned int request) +int _xcb_out_flush_to(xcb_connection_t *c, uint64_t request) { assert(XCB_SEQUENCE_COMPARE(request, <=, c->out.request)); if(XCB_SEQUENCE_COMPARE(c->out.request_written, >=, request)) return 1; if(c->out.queue_len) { - struct iovec vec, *vec_ptr = &vec; - int count = 1; + struct iovec vec; vec.iov_base = c->out.queue; vec.iov_len = c->out.queue_len; c->out.queue_len = 0; - return _xcb_out_send(c, &vec_ptr, &count); + return _xcb_out_send(c, &vec, 1); } while(c->out.writing) pthread_cond_wait(&c->out.cond, &c->iolock);