[Beignet] [PATCH V2] remove requirment as drm master in non-x environment

[Guo Yejun]

Signed-off-by: Guo Yejun <yejun.guo at intel.com>
---
 src/intel/intel_driver.c | 33 ++++++++++++++++-----------------
 src/intel/intel_driver.h |  2 +-
 2 files changed, 17 insertions(+), 18 deletions(-)

diff --git a/src/intel/intel_driver.c b/src/intel/intel_driver.c
index 4a33661..61d1410 100644
--- a/src/intel/intel_driver.c
+++ b/src/intel/intel_driver.c
@@ -262,10 +262,13 @@ intel_driver_close(intel_driver_t *intel)
 {
   if(intel->dri_ctx) dri_state_release(intel->dri_ctx);
   if(intel->x11_display) XCloseDisplay(intel->x11_display);
-  if(intel->fd) close(intel->fd);
+  if(intel->need_close) {
+    close(intel->fd);
+    intel->need_close = 0;
+  }
   intel->dri_ctx = NULL;
   intel->x11_display = NULL;
-  intel->fd = 0;
+  intel->fd = -1;
 }
 
 LOCAL int
@@ -294,7 +297,7 @@ intel_driver_init_shared(intel_driver_t *driver, dri_state_t *state)
   if(state->driConnectedFlag != DRI2)
     return 0;
   intel_driver_init(driver, state->fd);
-  driver->master = 0;
+  driver->need_close = 0;
   return 1;
 }
 
@@ -312,27 +315,23 @@ intel_driver_init_master(intel_driver_t *driver, const char* dev_name)
     return 0;
   }
 
-  // Check that we're authenticated and the only opener
+  // Check that we're authenticated
   memset(&client, 0, sizeof(drm_client_t));
   int ret = ioctl(dev_fd, DRM_IOCTL_GET_CLIENT, &client);
-  assert (ret == 0);
-
-  if (!client.auth) {
-    printf("%s not authenticated\n", dev_name);
+  if (ret == -1) {
+    printf("ioctl(dev_fd, DRM_IOCTL_GET_CLIENT, &client) failed: %s\n", strerror(errno));
     close(dev_fd);
     return 0;
   }
 
-  client.idx = 1;
-  ret = ioctl(dev_fd, DRM_IOCTL_GET_CLIENT, &client);
-  if (ret != -1 || errno != EINVAL) {
-    printf("%s is already in use\n", dev_name);
+  if (!client.auth) {
+    printf("%s not authenticated\n", dev_name);
     close(dev_fd);
     return 0;
   }
 
   intel_driver_init(driver, dev_fd);
-  driver->master = 1;
+  driver->need_close = 1;
 
   return 1;
 }
@@ -350,7 +349,7 @@ intel_driver_init_render(intel_driver_t *driver, const char* dev_name)
   }
 
   intel_driver_init(driver, dev_fd);
-  driver->master = 1;
+  driver->need_close = 1;
 
   return 1;
 }
@@ -360,8 +359,10 @@ intel_driver_terminate(intel_driver_t *driver)
 {
   pthread_mutex_destroy(&driver->ctxmutex);
 
-  if(driver->master)
+  if(driver->need_close) {
     close(driver->fd);
+    driver->need_close = 0;
+  }
   driver->fd = -1;
   return 1;
 }
@@ -385,7 +386,6 @@ intel_driver_unlock_hardware(intel_driver_t *driver)
 LOCAL dri_bo*
 intel_driver_share_buffer(intel_driver_t *driver, const char *sname, uint32_t name)
 {
-  assert(!driver->master);
   dri_bo *bo = intel_bo_gem_create_from_name(driver->bufmgr,
                                              sname,
                                              name);
@@ -396,7 +396,6 @@ LOCAL uint32_t
 intel_driver_shared_name(intel_driver_t *driver, dri_bo *bo)
 {
   uint32_t name;
-  assert(!driver->master);
   assert(bo);
   dri_bo_flink(bo, &name);
   return name;
diff --git a/src/intel/intel_driver.h b/src/intel/intel_driver.h
index 1ad0500..107fdfc 100644
--- a/src/intel/intel_driver.h
+++ b/src/intel/intel_driver.h
@@ -85,7 +85,7 @@ typedef struct intel_driver
   sigset_t sa_mask;
   pthread_mutex_t ctxmutex;
   int locked;
-  int master;
+  int need_close;
   Display *x11_display;
   struct dri_state *dri_ctx;
 } intel_driver_t;
-- 
1.8.3.2