From 5af73b17714076498a98b6a5679a4700399eaaa0 Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Tue, 20 Jan 2015 22:35:45 +0000
Subject:  Add readiness support to s6-svstat

---
 src/daemontools-extras/s6-notifywhenup.c | 91 --------------------------------
 1 file changed, 91 deletions(-)
 delete mode 100644 src/daemontools-extras/s6-notifywhenup.c

(limited to 'src/daemontools-extras/s6-notifywhenup.c')

diff --git a/src/daemontools-extras/s6-notifywhenup.c b/src/daemontools-extras/s6-notifywhenup.c
deleted file mode 100644
index e1c02b7..0000000
--- a/src/daemontools-extras/s6-notifywhenup.c
+++ /dev/null
@@ -1,91 +0,0 @@
-/* ISC license. */
-
-#include <unistd.h>
-#include <errno.h>
-#include <skalibs/uint.h>
-#include <skalibs/bytestr.h>
-#include <skalibs/sgetopt.h>
-#include <skalibs/strerr2.h>
-#include <skalibs/allreadwrite.h>
-#include <skalibs/tai.h>
-#include <skalibs/iopause.h>
-#include <skalibs/djbunix.h>
-#include <s6/ftrigw.h>
-#include <s6/s6-supervise.h>
-
-#define USAGE "s6-notifywhenup [ -d fd ] [ -e fifodir ] [ -f ] [ -t timeout ] prog..."
-#define dieusage() strerr_dieusage(100, USAGE)
-
-static int run_child (int fd, char const *fifodir, unsigned int timeout)
-{
-  char dummy[4096] ;
-  iopause_fd x = { .fd = fd, .events = IOPAUSE_READ } ;
-  tain_t deadline ;
-  if (!tain_now_g()) strerr_diefu1sys(111, "tain_now") ;
-  if (timeout) tain_from_millisecs(&deadline, timeout) ;
-  else deadline = tain_infinite_relative ;
-  tain_add_g(&deadline, &deadline) ;
-  for (;;)
-  {
-    register int r = iopause_g(&x, 1, &deadline) ;
-    if (r < 0) strerr_diefu1sys(111, "iopause") ;
-    if (!r) return 99 ;
-    r = sanitize_read(fd_read(fd, dummy, 4096)) ;
-    if (r < 0)
-      if (errno == EPIPE) return 1 ;
-      else strerr_diefu1sys(111, "read from parent") ;
-    else if (r)
-      if (byte_chr(dummy, r, '\n') < r) break ;
-  }
-  close(fd) ;
-  fd = open_create(S6_SUPERVISE_READY_FILENAME) ;
-  if (fd < 0) strerr_warnwu1sys("touch " S6_SUPERVISE_READY_FILENAME) ;
-  else close(fd) ;
-  ftrigw_notify(fifodir, 'U') ;
-  return 0 ;
-}
-
-int main (int argc, char const *const *argv, char const *const *envp)
-{
-  unsigned int fd = 1 ;
-  char const *fifodir = "event" ;
-  int df = 1 ;
-  unsigned int timeout = 0 ;
-  PROG = "s6-notifywhenup" ;
-  {
-    subgetopt_t l = SUBGETOPT_ZERO ;
-    for (;;)
-    {
-      register int opt = subgetopt_r(argc, argv, "d:e:ft:", &l) ;
-      if (opt == -1) break ;
-      switch (opt)
-      {
-        case 'd' : if (!uint0_scan(l.arg, &fd)) dieusage() ; break ;
-        case 'e' : fifodir = l.arg ; break ;
-        case 'f' : df = 0 ; break ;
-        case 't' : if (!uint0_scan(l.arg, &timeout)) dieusage() ; break ;
-        default : dieusage() ;
-      }
-    }
-    argc -= l.ind ; argv += l.ind ;
-  }
-  if (!argc) dieusage() ;
-
-  {
-    int p[2] ;
-    pid_t pid ;
-    if (pipe(p) < 0) strerr_diefu1sys(111, "pipe") ;
-    pid = df ? doublefork() : fork() ;
-    if (pid < 0) strerr_diefu1sys(111, df ? "doublefork" : "fork") ;
-    else if (!pid)
-    {
-      PROG = "s6-notifywhenup (child)" ;
-      close(p[1]) ;
-      return run_child(p[0], fifodir, timeout) ;
-    }
-    close(p[0]) ;
-    if (fd_move((int)fd, p[1]) < 0) strerr_diefu1sys(111, "fd_move") ;
-  }
-  pathexec_run(argv[0], argv, envp) ;
-  strerr_dieexec(111, argv[1]) ;
-}
-- 
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