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authorLaurent Bercot <ska-skaware@skarnet.org>2015-08-25 23:14:00 +0000
committerLaurent Bercot <ska-skaware@skarnet.org>2015-08-25 23:14:00 +0000
commit4fb4eaecb937e3eddd8804c85ce20c80cc753480 (patch)
treea0f530151558a3c721f0aaf9b0e4e28f183de8c0 /src/libs6rc/s6rc_servicedir_block.c
parentfc91cc6cd1384a315a1f33bc83e6d6e9926fc791 (diff)
downloads6-rc-4fb4eaecb937e3eddd8804c85ce20c80cc753480.tar.xz
Some refactor + add servicedir copy functions in libs6rc
Diffstat (limited to 'src/libs6rc/s6rc_servicedir_block.c')
-rw-r--r--src/libs6rc/s6rc_servicedir_block.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/src/libs6rc/s6rc_servicedir_block.c b/src/libs6rc/s6rc_servicedir_block.c
new file mode 100644
index 0000000..d01481b
--- /dev/null
+++ b/src/libs6rc/s6rc_servicedir_block.c
@@ -0,0 +1,27 @@
+/* ISC license. */
+
+#include <errno.h>
+#include <unistd.h>
+#include <skalibs/bytestr.h>
+#include <skalibs/djbunix.h>
+#include <s6/s6-supervise.h>
+#include <s6-rc/s6rc-servicedir.h>
+
+int s6rc_servicedir_block (char const *dir)
+{
+ unsigned int dirlen = str_len(dir) ;
+ s6_svstatus_t status ;
+ char fn[dirlen + 6] ;
+ if (!s6_svstatus_read(dir, &status)) return -1 ;
+ byte_copy(fn, dirlen, dir) ;
+ byte_copy(fn + dirlen, 6, "/down") ;
+ if (!touch(fn)) return -1 ;
+ if (s6_svc_writectl(dir, S6_SUPERVISE_CTLDIR, "O", 1) < 0)
+ {
+ register int e = errno ;
+ unlink(fn) ;
+ errno = e ;
+ return -1 ;
+ }
+ return status.flagwantup ;
+}