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Added extra checks to locking definitions

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Ben Collins 1999-03-26 15:10:06 +00:00
parent 4fbc5ed92c
commit cfe36cb71f
1 changed files with 5 additions and 3 deletions
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8
include/ac/unistd.h
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@ -55,22 +55,24 @@ extern char* getpass LDAP_P((const char *getpass));
/* use _POSIX_VERSION for POSIX.1 code */
/* Setup file locking macros */
#if HAVE_LOCKF
#if defined (HAVE_LOCKF) && defined (F_LOCK) && defined (F_ULOCK)
# define ldap_lockf(x) lockf(fileno(x),F_LOCK, 0)
# define ldap_unlockf(x) lockf(fileno(x),F_ULOCK, 0)
#elif HAVE_FCNTL_H
#elif defined (HAVE_FCNTL_H) && defined (F_WRLCK) && defined (F_UNLCK)
# ifndef NEED_FCNTL_LOCKING
# define NEED_FCNTL_LOCKING
# endif
# include <lutil_lockf.h>
# define ldap_lockf(x) lutil_ldap_lockf(x)
# define ldap_unlockf(x) lutil_ldap_unlockf(x)
#elif HAVE_FLOCK
#elif defined (HAVE_FLOCK) && defined (LOCK_EX) && defined (LOCK_UN)
# if HAVE_SYS_FILE_H
# include <sys/file.h>
# endif
# define ldap_lockf(x) flock(fileno(x),LOCK_EX)
# define ldap_unlockf(x) flock(fileno(x),LOCK_UN)
#else
#error no_suitable_locking_found
#endif
#endif /* _AC_UNISTD_H */