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Add missing prototype for readahead in <fcntl.h>.

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Change-Id: Icfe85e9cf95c657b495c4e9cd10dec50b0b8f6db
This commit is contained in:
Elliott Hughes 2016-04-05 11:06:02 -07:00
parent c9291e1bb5
commit 55147ada3c
2 changed files with 11 additions and 0 deletions
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4
libc/include/fcntl.h
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@ -86,6 +86,10 @@ extern int fallocate64(int, int, off64_t, off64_t);
extern int posix_fadvise64(int, off64_t, off64_t, int);
extern int posix_fallocate64(int, off64_t, off64_t);
#if defined(__USE_GNU)
ssize_t readahead(int, off64_t, size_t);
#endif
extern int __open_2(const char*, int);
extern int __open_real(const char*, int, ...) __RENAME(open);
extern int __openat_2(int, const char*, int);

7
tests/fcntl_test.cpp
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@ -237,3 +237,10 @@ TEST(fcntl, tee) {
ASSERT_STREQ(expected, buf1);
ASSERT_STREQ(expected, buf2);
}
TEST(fcntl, readahead) {
// Just check that the function is available.
errno = 0;
ASSERT_EQ(-1, readahead(-1, 0, 123));
ASSERT_EQ(EBADF, errno);
}