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authorLaurent Bercot <ska-skaware@skarnet.org>2015-01-20 22:35:45 +0000
committerLaurent Bercot <ska-skaware@skarnet.org>2015-01-20 22:35:45 +0000
commit5af73b17714076498a98b6a5679a4700399eaaa0 (patch)
treed81912cf894edfb056e4a59caf7530c2b754181f /src/daemontools-extras
parent2844097114fe7b36e03ff863ce8daaaf9d6583c7 (diff)
downloads6-5af73b17714076498a98b6a5679a4700399eaaa0.tar.xz
Add readiness support to s6-svstat
Diffstat (limited to 'src/daemontools-extras')
-rw-r--r--src/daemontools-extras/deps-exe/s6-notifywhenup3
-rw-r--r--src/daemontools-extras/s6-notifywhenup.c91
2 files changed, 0 insertions, 94 deletions
diff --git a/src/daemontools-extras/deps-exe/s6-notifywhenup b/src/daemontools-extras/deps-exe/s6-notifywhenup
deleted file mode 100644
index 077e863..0000000
--- a/src/daemontools-extras/deps-exe/s6-notifywhenup
+++ /dev/null
@@ -1,3 +0,0 @@
-${LIBS6}
--lskarnet
-${TAINNOW_LIB}
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]) ;
-}