From ebf48bb80cceaf6a01ff5e7a3d4be1106fc82869 Mon Sep 17 00:00:00 2001 From: Denis Vlasenko Date: Tue, 27 Mar 2007 22:02:06 +0000 Subject: forgotten svn add... --- libbb/pidfile.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 libbb/pidfile.c (limited to 'libbb/pidfile.c') 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 + * + * 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 -- cgit v1.2.3