1 files changed, 0 insertions, 85 deletions
diff --git a/src/libs6/s6_supervise_lock_mode.c b/src/libs6/s6_supervise_lock_mode.c
deleted file mode 100644
index d807bec..0000000
--- a/src/libs6/s6_supervise_lock_mode.c
+++ /dev/null
@@ -1,85 +0,0 @@
-/* ISC license. */
-
-#include <limits.h>
-#include <unistd.h>
-#include <sys/stat.h>
-#include <string.h>
-#include <errno.h>
-
-#include <skalibs/strerr2.h>
-#include <skalibs/djbunix.h>
-
-#include <s6/s6-supervise.h>
-
-#ifdef PATH_MAX
-# define S6_PATH_MAX PATH_MAX
-#else
-# define S6_PATH_MAX 4096
-#endif
-
-int s6_supervise_lock_mode (char const *subdir, unsigned int subdirmode, unsigned int controlmode)
-{
-  size_t subdirlen = strlen(subdir) ;
-  int fdctl, fdctlw, fdlock ;
-  char control[subdirlen + 9] ;
-  char lock[subdirlen + 6] ;
-  memcpy(control, subdir, subdirlen) ;
-  memcpy(control + subdirlen, "/control", 9) ;
-  memcpy(lock, subdir, subdirlen) ;
-  memcpy(lock + subdirlen, "/lock", 6) ;
-  if (mkdir(subdir, (mode_t)subdirmode) == -1)
-  {
-    char buf[S6_PATH_MAX] ;
-    ssize_t r ;
-    if (errno == EEXIST) strerr_diefu2sys(111, "mkdir ", subdir) ;
-    r = readlink(subdir, buf, S6_PATH_MAX) ;
-    if (r < 0)
-    {
-      if (errno != EINVAL)
-      {
-        errno = EEXIST ;
-        strerr_diefu2sys(111, "mkdir ", subdir) ;
-      }
-    }
-    else if (r == S6_PATH_MAX)
-    {
-      errno = ENAMETOOLONG ;
-      strerr_diefu2sys(111, "readlink ", subdir) ;
-    }
-    else
-    {
-      buf[r] = 0 ;
-      if (mkdir(buf, (mode_t)subdirmode) == -1)
-        strerr_diefu2sys(111, "mkdir ", buf) ;
-    }
-  }
-  if (mkfifo(control, controlmode) < 0)
-  {
-    struct stat st ;
-    if (errno != EEXIST)
-      strerr_diefu2sys(111, "mkfifo ", control) ;
-    if (stat(control, &st) < 0)
-      strerr_diefu2sys(111, "stat ", control) ;
-    if (!S_ISFIFO(st.st_mode))
-      strerr_diefu2x(100, control, " is not a FIFO") ;
-  }
-  fdlock = openc_create(lock) ;
-  if (fdlock < 0)
-    strerr_diefu2sys(111, "open_create ", lock) ;
-  if (lock_ex(fdlock) < 0)
-    strerr_diefu2sys(111, "lock ", lock) ;
-  fdctlw = openc_write(control) ;
-  if (fdctlw >= 0) strerr_dief1x(100, "directory already locked") ;
-  if (errno != ENXIO)
-    strerr_diefu2sys(111, "open_write ", control) ;
-  fdctl = openc_read(control) ;
-  if (fdctl < 0)
-    strerr_diefu2sys(111, "open_read ", control) ;
-  fdctlw = openc_write(control) ;
-  if (fdctlw < 0)
-    strerr_diefu2sys(111, "open_write ", control) ;
-  fd_close(fdlock) ;
-
-  return fdctl ;
-  /* we leak fdctlw but it's coe. */
-}