1  #include <errno.h>
 2  #include <stdio.h>
 3  #include <stdlib.h>
 4  #include "darwintest.h"
 5  
 6  T_DECL(flockfile_preserve_errno, "flockfile preserves errno")
 7  {
 8  	errno = EBUSY;
 9  	flockfile(stderr);
10  	T_ASSERT_EQ(errno, EBUSY, "flockfile preserves errno");
11  }
12  
13  T_DECL(funlockfile_preserve_errno, "funlockfile preserves errno")
14  {
15  	errno = EBUSY;
16  	funlockfile(stderr);
17  	T_ASSERT_EQ(errno, EBUSY, "funlockfile preserves errno");
18  }
19  
20  T_DECL(ftrylockfile_preserve_errno, "ftrylockfile preserves errno")
21  {
22  	errno = EBUSY;
23  	ftrylockfile(stderr);
24  	T_ASSERT_EQ(errno, EBUSY, "ftrylockfile preserves errno");
25  }
26