gpujpegtool: call cudaDeviceReset with the lib

hide the cudaDeviceReset() behind GPUJPEG API

Inside the gpujpegtool, no cudart is called directly so keep this
isolation also for the device reset.

libgpujpeg/gpujpeg_common.h

@@ -650,6 +650,10 @@ gpujpeg_pixel_format_get_name(enum gpujpeg_pixel_format pixel_format);
 GPUJPEG_API int
 gpujpeg_pixel_format_is_planar(enum gpujpeg_pixel_format pixel_format);
 
+/** Calls cudaDeviceReset() */
+GPUJPEG_API void
+gpujpeg_device_reset(void);
+
 #ifdef __cplusplus
 }
 #endif

src/gpujpeg_common.c

@@ -2029,4 +2029,10 @@ float gpujpeg_custom_timer_get_duration(cudaEvent_t start, cudaEvent_t stop) {
     return elapsedTime;
 }
 
+void
+gpujpeg_device_reset(void)
+{
+    cudaDeviceReset();
+}
+
 /* vi: set expandtab sw=4 : */

src/main.c

@@ -816,7 +816,7 @@ main(int argc, char *argv[])
     }
 
 #ifdef DEBUG
-    cudaDeviceReset(); // to allow "cuda-memcheck --leak-check full"
+    gpujpeg_device_reset(); // to allow "cuda-memcheck --leak-check full"
 #endif // defined DEBUG
 
     return ret;