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authorGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-03-27 22:02:06 +0000
committerGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-03-27 22:02:06 +0000
commitebf48bb80cceaf6a01ff5e7a3d4be1106fc82869 (patch)
tree8d8192ae6ad04340aa1d4539220d22177a42a35e
parent10457b90db925369739a900445b640364eda5e4c (diff)
downloadbusybox-ebf48bb80cceaf6a01ff5e7a3d4be1106fc82869.tar.gz
busybox-ebf48bb80cceaf6a01ff5e7a3d4be1106fc82869.tar.bz2
forgotten svn add...
-rw-r--r--libbb/pidfile.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/libbb/pidfile.c b/libbb/pidfile.c
new file mode 100644
index 000000000..41565b694
--- /dev/null
+++ b/libbb/pidfile.c
@@ -0,0 +1,29 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * pid file routines
+ *
+ * Copyright (C) 2007 by Stephane Billiart <stephane.billiart@gmail.com>
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+#include "libbb.h"
+
+#if ENABLE_FEATURE_PIDFILE
+int write_pidfile(const char *path)
+{
+ int pid_fd;
+ char *end;
+ char buf[sizeof(int)*3 + 2];
+
+ /* we will overwrite stale pidfile */
+ pid_fd = open(path, O_WRONLY|O_CREAT|O_TRUNC);
+ if (pid_fd < 0)
+ return 0;
+ /* few bytes larger, but doesn't use stdio */
+ end = utoa_to_buf(getpid(), buf, sizeof(buf));
+ end[0] = '\n';
+ full_write(pid_fd, buf, end - buf + 1);
+ close(pid_fd);
+ return 1;
+}
+#endif