X-Git-Url: http://git.demorecorder.com/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fxcb_conn.c;h=5b097f74adc33961fb0b6da47cc6cc4b2346716b;hb=d79621b25ba6784135b1a3aa51e9561fcf72fe7f;hp=e7856c355653595273ba88e99db9c4ba390c4ad7;hpb=baae5826a6f51490e842be931c8b9f76086c4d98;p=free-sw%2Fxcb%2Flibxcb diff --git a/src/xcb_conn.c b/src/xcb_conn.c index e7856c3..5b097f7 100644 --- a/src/xcb_conn.c +++ b/src/xcb_conn.c @@ -59,28 +59,13 @@ static int set_fd_flags(const int fd) return 1; } -static int _xcb_xlib_init(_xcb_xlib *xlib) -{ - xlib->lock = 0; -#ifndef NDEBUG - xlib->sloppy_lock = (getenv("LIBXCB_ALLOW_SLOPPY_LOCK") != 0); -#endif - pthread_cond_init(&xlib->cond, 0); - return 1; -} - -static void _xcb_xlib_destroy(_xcb_xlib *xlib) -{ - pthread_cond_destroy(&xlib->cond); -} - static int write_setup(xcb_connection_t *c, xcb_auth_info_t *auth_info) { static const char pad[3]; xcb_setup_request_t out; struct iovec parts[6]; int count = 0; - int endian = 0x01020304; + static const uint32_t endian = 0x01020304; int ret; memset(&out, 0, sizeof(out)); @@ -110,14 +95,14 @@ static int write_setup(xcb_connection_t *c, xcb_auth_info_t *auth_info) parts[count].iov_len = XCB_PAD(out.authorization_protocol_data_len); parts[count++].iov_base = (char *) pad; } - assert(count <= sizeof(parts) / sizeof(*parts)); + assert(count <= (int) (sizeof(parts) / sizeof(*parts))); - _xcb_lock_io(c); + pthread_mutex_lock(&c->iolock); { struct iovec *parts_ptr = parts; ret = _xcb_out_send(c, &parts_ptr, &count); } - _xcb_unlock_io(c); + pthread_mutex_unlock(&c->iolock); return ret; } @@ -230,7 +215,6 @@ xcb_connection_t *xcb_connect_to_fd(int fd, xcb_auth_info_t *auth_info) if(!( set_fd_flags(fd) && pthread_mutex_init(&c->iolock, 0) == 0 && - _xcb_xlib_init(&c->xlib) && _xcb_in_init(&c->in) && _xcb_out_init(&c->out) && write_setup(c, auth_info) && @@ -255,7 +239,6 @@ void xcb_disconnect(xcb_connection_t *c) close(c->fd); pthread_mutex_destroy(&c->iolock); - _xcb_xlib_destroy(&c->xlib); _xcb_in_destroy(&c->in); _xcb_out_destroy(&c->out); @@ -272,49 +255,15 @@ void _xcb_conn_shutdown(xcb_connection_t *c) c->has_error = 1; } -void _xcb_lock_io(xcb_connection_t *c) -{ - pthread_mutex_lock(&c->iolock); - while(c->xlib.lock) - { - if(pthread_equal(c->xlib.thread, pthread_self())) - break; - pthread_cond_wait(&c->xlib.cond, &c->iolock); - } -} - -void _xcb_unlock_io(xcb_connection_t *c) -{ - pthread_mutex_unlock(&c->iolock); -} - -void _xcb_wait_io(xcb_connection_t *c, pthread_cond_t *cond) -{ - int xlib_locked = c->xlib.lock; - if(xlib_locked) - { - c->xlib.lock = 0; - pthread_cond_broadcast(&c->xlib.cond); - } - pthread_cond_wait(cond, &c->iolock); - if(xlib_locked) - { - while(c->xlib.lock) - pthread_cond_wait(&c->xlib.cond, &c->iolock); - c->xlib.lock = 1; - c->xlib.thread = pthread_self(); - } -} - int _xcb_conn_wait(xcb_connection_t *c, pthread_cond_t *cond, struct iovec **vector, int *count) { - int ret, xlib_locked; + int ret; fd_set rfds, wfds; /* If the thing I should be doing is already being done, wait for it. */ if(count ? c->out.writing : c->in.reading) { - _xcb_wait_io(c, cond); + pthread_cond_wait(cond, &c->iolock); return 1; } @@ -329,13 +278,7 @@ int _xcb_conn_wait(xcb_connection_t *c, pthread_cond_t *cond, struct iovec **vec ++c->out.writing; } - xlib_locked = c->xlib.lock; - if(xlib_locked) - { - c->xlib.lock = 0; - pthread_cond_broadcast(&c->xlib.cond); - } - _xcb_unlock_io(c); + pthread_mutex_unlock(&c->iolock); do { ret = select(c->fd + 1, &rfds, &wfds, 0, 0); } while (ret == -1 && errno == EINTR); @@ -344,12 +287,7 @@ int _xcb_conn_wait(xcb_connection_t *c, pthread_cond_t *cond, struct iovec **vec _xcb_conn_shutdown(c); ret = 0; } - _xcb_lock_io(c); - if(xlib_locked) - { - c->xlib.lock = 1; - c->xlib.thread = pthread_self(); - } + pthread_mutex_lock(&c->iolock); if(ret) {