diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/slave/kprop.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/slave/kprop.c b/src/slave/kprop.c index fbabf1a7b..c53f9deab 100644 --- a/src/slave/kprop.c +++ b/src/slave/kprop.c @@ -38,6 +38,9 @@ static char rcsid_kprop_c[] = #include <krb5/los-proto.h> #include <com_err.h> #include <errno.h> +#ifdef POSIX_FILE_LOCKS +#include <fcntl.h> +#endif #include <stdio.h> #include <ctype.h> @@ -409,6 +412,9 @@ open_database(data_fn, size) struct stat stbuf, stbuf_ok; char *data_ok_fn; static char ok[] = ".dump_ok"; +#ifdef POSIX_FILE_LOCKS + struct flock lock_arg; +#endif if ((fd = open(data_fn, O_RDONLY)) < 0) { com_err(progname, errno, "while trying to open %s", @@ -417,8 +423,11 @@ open_database(data_fn, size) } #ifdef POSIX_FILE_LOCKS - if (lockf(fd, LOCK_SH | LOCK_NB, 0) < 0) { - if (errno == EWOULDBLOCK || errno == EAGAIN) + lock_arg.l_whence = 0; + lock_arg.l_start = 0; + lock_arg.l_len = 0; + if (fcntl(fd, F_SETLK, &lock_arg) == -1) { + if (errno == EACCES || errno == EAGAIN) com_err(progname, 0, "database locked"); else com_err(progname, errno, "while trying to flock %s", |