ee9701744a
The waitforvsync.cpp throws error when compiling. Following is the error log
target thumb C++: test-waitforvsync <= frameworks/native/services/surfaceflinger/tests/waitforvsync/waitforvsync.cpp
frameworks/native/services/surfaceflinger/tests/waitforvsync/waitforvsync.cpp: In function 'int main(int, char**)':
frameworks/native/services/surfaceflinger/tests/waitforvsync/waitforvsync.cpp:43:17: error: 'close' was not declared in this scope
close(fd);
^
....
....
make: *** [out/target/product/grouper/obj/EXECUTABLES/test-waitforvsync_intermediates/waitforvsync.o] Error 1
the file is missing #include <unistd.h>
Change-Id: I57728dbde65641cd3138625f9a590f9db8648158
Signed-off-by: Nanik Tolaram <nanikjava@gmail.com>
47 lines
1.3 KiB
C++
47 lines
1.3 KiB
C++
/*
|
|
* Copyright (C) 2011 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#include <stdint.h>
|
|
#include <sys/types.h>
|
|
|
|
#include <fcntl.h>
|
|
#include <sys/ioctl.h>
|
|
#include <linux/fb.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
|
|
#ifndef FBIO_WAITFORVSYNC
|
|
#define FBIO_WAITFORVSYNC _IOW('F', 0x20, __u32)
|
|
#endif
|
|
|
|
int main(int argc, char** argv) {
|
|
int fd = open("/dev/graphics/fb0", O_RDWR);
|
|
if (fd >= 0) {
|
|
do {
|
|
uint32_t crt = 0;
|
|
int err = ioctl(fd, FBIO_WAITFORVSYNC, &crt);
|
|
if (err < 0) {
|
|
printf("FBIO_WAITFORVSYNC error: %s\n", strerror(errno));
|
|
break;
|
|
}
|
|
} while(1);
|
|
close(fd);
|
|
}
|
|
return 0;
|
|
}
|