#include <netinet/in.h>
#include <sys/select.h>
#include <sys/fcntl.h>
+#include <errno.h>
#include "xcb.h"
#include "xcbint.h"
return 1;
}
+/* precondition: there must be something for us to write. */
+static int write_vec(XCBConnection *c, struct iovec **vector, int *count)
+{
+ int n;
+ assert(!c->out.queue_len);
+ n = writev(c->fd, *vector, *count);
+ if(n < 0 && errno == EAGAIN)
+ return 1;
+ if(n <= 0)
+ return 0;
+
+ for(; *count; --*count, ++*vector)
+ {
+ int cur = (*vector)->iov_len;
+ if(cur > n)
+ cur = n;
+ (*vector)->iov_len -= cur;
+ (*vector)->iov_base = (char *) (*vector)->iov_base + cur;
+ n -= cur;
+ if((*vector)->iov_len)
+ break;
+ }
+ if(!*count)
+ *vector = 0;
+ assert(n == 0);
+ return 1;
+}
+
/* Public interface */
XCBConnSetupSuccessRep *XCBGetSetup(XCBConnection *c)
ret = ret && _xcb_in_read(c);
if(FD_ISSET(c->fd, &wfds))
- ret = ret && _xcb_out_write(c, vector, count);
+ ret = ret && write_vec(c, vector, count);
}
if(count)
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
-#include <errno.h>
#include "xcb.h"
#include "xcbext.h"
pthread_mutex_destroy(&out->reqlenlock);
}
-/* precondition: there must be something for us to write. */
-int _xcb_out_write(XCBConnection *c, struct iovec **vector, int *count)
-{
- int n;
- assert(!c->out.queue_len);
- n = writev(c->fd, *vector, *count);
- if(n < 0 && errno == EAGAIN)
- return 1;
- if(n <= 0)
- return 0;
-
- for(; *count; --*count, ++*vector)
- {
- int cur = (*vector)->iov_len;
- if(cur > n)
- cur = n;
- (*vector)->iov_len -= cur;
- (*vector)->iov_base = (char *) (*vector)->iov_base + cur;
- n -= cur;
- if((*vector)->iov_len)
- break;
- }
- if(!*count)
- *vector = 0;
- assert(n == 0);
- return 1;
-}
-
int _xcb_out_send(XCBConnection *c, struct iovec **vector, int *count)
{
int ret = 1;
int _xcb_out_init(_xcb_out *out);
void _xcb_out_destroy(_xcb_out *out);
-int _xcb_out_write(XCBConnection *c, struct iovec **vector, int *count);
int _xcb_out_send(XCBConnection *c, struct iovec **vector, int *count);
int _xcb_out_flush_to(XCBConnection *c, unsigned int request);