Attachment 23332 Details for Bug 20335 – libxcb-1.1-use-poll.patch

[patch] libxcb-1.1-use-poll.patch

libxcb-1.1-use-poll.patch (text/plain), 3.55 KB, created by Michael Ost on 2009-02-26 12:18:53 UTC

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Creator: Michael Ost

Created: 2009-02-26 12:18:53 UTC

Size: 3.55 KB

patch

obsolete

>--- libxcb-1.1/configure.ac.poll	2009-02-25 19:38:56.000000000 -0800
>+++ libxcb-1.1/configure.ac	2009-02-25 19:38:56.000000000 -0800
>@@ -86,6 +86,8 @@
> ])])
> AM_CHECK_DOXYGEN()
> 
>+AC_CHECK_FUNC(poll, [AC_DEFINE(USE_POLL, 1, [poll() function is available])], )
>+
> AC_CONFIG_FILES([Makefile src/Makefile tests/Makefile doc/Makefile])
> AC_CONFIG_FILES([xcb.pc xcb-xlib.pc xcb-composite.pc xcb-damage.pc xcb-dpms.pc xcb-glx.pc xcb-randr.pc xcb-record.pc xcb-render.pc xcb-res.pc xcb-screensaver.pc xcb-shape.pc xcb-shm.pc xcb-sync.pc xcb-xevie.pc xcb-xf86dri.pc xcb-xfixes.pc xcb-xinerama.pc xcb-xprint.pc xcb-xtest.pc xcb-xv.pc xcb-xvmc.pc])
> AC_CONFIG_FILES([doc/xcb.doxygen])
>--- libxcb-1.1/src/xcb_conn.c.poll	2009-02-25 19:38:56.000000000 -0800
>+++ libxcb-1.1/src/xcb_conn.c	2009-02-25 19:41:11.000000000 -0800
>@@ -31,12 +31,16 @@
> #include <unistd.h>
> #include <stdlib.h>
> #include <netinet/in.h>
>-#include <sys/select.h>
> #include <fcntl.h>
> #include <errno.h>
> 
> #include "xcb.h"
> #include "xcbint.h"
>+#if USE_POLL
>+#include <poll.h>
>+#else
>+#include <sys/select.h>
>+#endif
> 
> typedef struct {
>     uint8_t  status;
>@@ -309,7 +313,11 @@
> int _xcb_conn_wait(xcb_connection_t *c, pthread_cond_t *cond, struct iovec **vector, int *count)
> {
>     int ret, xlib_locked;
>+#if USE_POLL
>+    struct pollfd fd;
>+#else
>     fd_set rfds, wfds;
>+#endif
> 
>     /* If the thing I should be doing is already being done, wait for it. */
>     if(count ? c->out.writing : c->in.reading)
>@@ -318,16 +326,30 @@
>         return 1;
>     }
> 
>+#if USE_POLL
>+    memset(&fd, 0, sizeof(fd));
>+    fd.fd = c->fd;
>+    fd.events = POLLIN;
>+#else
>     FD_ZERO(&rfds);
>     FD_SET(c->fd, &rfds);
>+#endif
>     ++c->in.reading;
> 
>+#if USE_POLL
>+    if(count)
>+    {
>+        fd.events |= POLLOUT;
>+        ++c->out.writing;
>+    }
>+#else
>     FD_ZERO(&wfds);
>     if(count)
>     {
>         FD_SET(c->fd, &wfds);
>         ++c->out.writing;
>     }
>+#endif
> 
>     xlib_locked = c->xlib.lock;
>     if(xlib_locked)
>@@ -337,7 +359,11 @@
>     }
>     _xcb_unlock_io(c);
>     do {
>+#if USE_POLL
>+    ret = poll(&fd, 1, -1);
>+#else
> 	ret = select(c->fd + 1, &rfds, &wfds, 0, 0);
>+#endif
>     } while (ret == -1 && errno == EINTR);
>     if (ret < 0)
>     {
>@@ -353,10 +379,18 @@
> 
>     if(ret)
>     {
>+#if USE_POLL
>+        if((fd.revents & POLLIN) == POLLIN)
>+#else
>         if(FD_ISSET(c->fd, &rfds))
>+#endif
>             ret = ret && _xcb_in_read(c);
> 
>+#if USE_POLL
>+        if((fd.revents & POLLOUT) == POLLOUT)
>+#else
>         if(FD_ISSET(c->fd, &wfds))
>+#endif
>             ret = ret && write_vec(c, vector, count);
>     }
> 
>--- libxcb-1.1/src/xcb_in.c.poll	2007-10-23 09:44:59.000000000 -0700
>+++ libxcb-1.1/src/xcb_in.c	2009-02-26 10:03:25.000000000 -0800
>@@ -30,12 +30,16 @@
> #include <stdlib.h>
> #include <unistd.h>
> #include <stdio.h>
>-#include <sys/select.h>
> #include <errno.h>
> 
> #include "xcb.h"
> #include "xcbext.h"
> #include "xcbint.h"
>+#if USE_POLL
>+#include <poll.h>
>+#else
>+#include <sys/select.h>
>+#endif
> 
> #define XCB_ERROR 0
> #define XCB_REPLY 1
>@@ -241,12 +245,22 @@
>             done += ret;
>         if(ret < 0 && errno == EAGAIN)
>         {
>+#if USE_POLL
>+            struct pollfd pfd;
>+            pfd.fd = fd;
>+            pfd.events = POLLIN;
>+            pfd.revents = 0;
>+            do {
>+                ret = poll(&pfd, 1, -1);
>+            } while (ret == -1 && errno == EINTR);
>+#else
>             fd_set fds;
>             FD_ZERO(&fds);
>             FD_SET(fd, &fds);
> 	    do {
> 		ret = select(fd + 1, &fds, 0, 0, 0);
> 	    } while (ret == -1 && errno == EINTR);
>+#endif
>         }
>         if(ret <= 0)
>             return ret;

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