diff options
Diffstat (limited to 'src/libs6/s6lockd-helper.c')
-rw-r--r-- | src/libs6/s6lockd-helper.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/src/libs6/s6lockd-helper.c b/src/libs6/s6lockd-helper.c index 469a417..8dbf255 100644 --- a/src/libs6/s6lockd-helper.c +++ b/src/libs6/s6lockd-helper.c @@ -1,25 +1,19 @@ /* ISC license. */ -#include <errno.h> - #include <skalibs/allreadwrite.h> #include <skalibs/strerr2.h> -#include <skalibs/djbunix.h> -#define USAGE "s6lockd-helper lockfile" +#include "s6lockd.h" + +#define USAGE "s6lockd-helper r|w lockfile" #define dieusage() strerr_dieusage(100, USAGE) int main (int argc, char const *const *argv) { - int fd, r ; char c ; PROG = "s6lockd-helper" ; if (argc < 3) dieusage() ; - fd = open_create(argv[2]) ; - if (fd < 0) strerr_diefu2sys(111, "open ", argv[1]) ; - r = fd_lock(fd, argv[1][0] == 'w', 0) ; - if (!r) errno = EBUSY ; - if (r < 1) strerr_diefu2sys(111, "lock ", argv[2]) ; + s6lockd_openandlock(argv[2], argv[1][0] == 'w', 0) ; if (fd_write(1, "!", 1) <= 0) strerr_diefu1sys(111, "write to stdout") ; if (fd_read(0, &c, 1) < 0) |