From 90b12bd71bb9fc79a4640b9112c13ef529d0196a Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Fri, 5 Dec 2014 22:26:11 +0000
Subject: Initial commit

---
 src/libs6/s6lock_release.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 src/libs6/s6lock_release.c

(limited to 'src/libs6/s6lock_release.c')

diff --git a/src/libs6/s6lock_release.c b/src/libs6/s6lock_release.c
new file mode 100644
index 0000000..95e863f
--- /dev/null
+++ b/src/libs6/s6lock_release.c
@@ -0,0 +1,28 @@
+/* ISC license. */
+
+#include <errno.h>
+#include <skalibs/error.h>
+#include <skalibs/uint16.h>
+#include <skalibs/tai.h>
+#include <skalibs/gensetdyn.h>
+#include <skalibs/skaclient.h>
+#include <s6/s6lock.h>
+
+int s6lock_release (s6lock_t *a, uint16 i, tain_t const *deadline, tain_t *stamp)
+{
+  char *p = GENSETDYN_P(char, &a->data, i) ;
+  if ((*p != EBUSY) && !error_isagain(*p))
+  {
+    s6lock_check(a, i) ;
+    return 1 ;
+  }
+  {
+    char err ;
+    char pack[3] = "-->" ;
+    uint16_pack_big(pack, i) ;
+    if (!skaclient_send(&a->connection, pack, 3, &skaclient_default_cb, &err, deadline, stamp)) return 0 ;
+    if (err) return (errno = err, 0) ;
+  }
+  *p = EINVAL ;
+  return gensetdyn_delete(&a->data, i) ;
+}
-- 
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