Thank you for doing this! I went ahead and pushed the patches since I
assume you don't have access.
Cheers,
Nicolai
On 02.10.2016 05:49, Matt Whitlock wrote:
Without this fix, duplicated file descriptors leak into child processes.
See commit aaac913e901229d11a1894f6aaf646de6b1a542c for one instance
where the same fix was employed.
Cc: <mesa-sta...@lists.freedesktop.org>
Signed-off-by: Matt Whitlock <freedesk...@mattwhitlock.name>
---
src/gallium/winsys/nouveau/drm/nouveau_drm_winsys.c | 3 ++-
src/gallium/winsys/radeon/drm/radeon_drm_winsys.c | 3 ++-
src/gallium/winsys/svga/drm/vmw_screen.c | 3 ++-
src/gallium/winsys/vc4/drm/vc4_drm_winsys.c | 3 ++-
src/gallium/winsys/virgl/drm/virgl_drm_winsys.c | 2 +-
5 files changed, 9 insertions(+), 5 deletions(-)
diff --git a/src/gallium/winsys/nouveau/drm/nouveau_drm_winsys.c
b/src/gallium/winsys/nouveau/drm/nouveau_drm_winsys.c
index f90572f..cc9dfa7 100644
--- a/src/gallium/winsys/nouveau/drm/nouveau_drm_winsys.c
+++ b/src/gallium/winsys/nouveau/drm/nouveau_drm_winsys.c
@@ -1,5 +1,6 @@
#include <sys/stat.h>
#include <unistd.h>
+#include <fcntl.h>
#include "pipe/p_context.h"
#include "pipe/p_state.h"
#include "util/u_format.h"
@@ -91,7 +92,7 @@ nouveau_drm_screen_create(int fd)
* nouveau_device_wrap does not close the fd in case of a device
* creation error.
*/
- dupfd = dup(fd);
+ dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 3);
ret = nouveau_drm_new(dupfd, &drm);
if (ret)
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
index 16e4408..c7ceee2 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
@@ -43,6 +43,7 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
+#include <fcntl.h>
#include <radeon_surface.h>
#ifndef RADEON_INFO_ACTIVE_CU_COUNT
@@ -751,7 +752,7 @@ radeon_drm_winsys_create(int fd, radeon_screen_create_t
screen_create)
return NULL;
}
- ws->fd = dup(fd);
+ ws->fd = fcntl(fd, F_DUPFD_CLOEXEC, 3);
if (!do_winsys_init(ws))
goto fail1;
diff --git a/src/gallium/winsys/svga/drm/vmw_screen.c
b/src/gallium/winsys/svga/drm/vmw_screen.c
index 74c77c5..d0bfcd7 100644
--- a/src/gallium/winsys/svga/drm/vmw_screen.c
+++ b/src/gallium/winsys/svga/drm/vmw_screen.c
@@ -39,6 +39,7 @@
#endif
#include <sys/stat.h>
#include <unistd.h>
+#include <fcntl.h>
static struct util_hash_table *dev_hash = NULL;
@@ -88,7 +89,7 @@ vmw_winsys_create( int fd )
vws->device = stat_buf.st_rdev;
vws->open_count = 1;
- vws->ioctl.drm_fd = dup(fd);
+ vws->ioctl.drm_fd = fcntl(fd, F_DUPFD_CLOEXEC, 3);
vws->base.have_gb_dma = TRUE;
vws->base.need_to_rebind_resources = FALSE;
diff --git a/src/gallium/winsys/vc4/drm/vc4_drm_winsys.c
b/src/gallium/winsys/vc4/drm/vc4_drm_winsys.c
index c5434ad..23fe8e7 100644
--- a/src/gallium/winsys/vc4/drm/vc4_drm_winsys.c
+++ b/src/gallium/winsys/vc4/drm/vc4_drm_winsys.c
@@ -22,6 +22,7 @@
*/
#include <unistd.h>
+#include <fcntl.h>
#include "vc4_drm_public.h"
@@ -30,5 +31,5 @@
struct pipe_screen *
vc4_drm_screen_create(int fd)
{
- return vc4_screen_create(dup(fd));
+ return vc4_screen_create(fcntl(fd, F_DUPFD_CLOEXEC, 3));
}
diff --git a/src/gallium/winsys/virgl/drm/virgl_drm_winsys.c
b/src/gallium/winsys/virgl/drm/virgl_drm_winsys.c
index 11385b2..86e0470 100644
--- a/src/gallium/winsys/virgl/drm/virgl_drm_winsys.c
+++ b/src/gallium/winsys/virgl/drm/virgl_drm_winsys.c
@@ -867,7 +867,7 @@ virgl_drm_screen_create(int fd)
virgl_screen(pscreen)->refcnt++;
} else {
struct virgl_winsys *vws;
- int dup_fd = dup(fd);
+ int dup_fd = fcntl(fd, F_DUPFD_CLOEXEC, 3);
vws = virgl_drm_winsys_create(dup_fd);
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