oprofile: op_lockfile.h Source File

00001 /**
00002  * @file op_lockfile.h
00003  * PID-based lockfile management
00004  *
00005  * @remark Copyright 2002 OProfile authors
00006  * @remark Read the file COPYING
00007  *
00008  * @author John Levon
00009  * @author Philippe Elie
00010  */
00011 
00012 #ifndef OP_LOCKFILE_H
00013 #define OP_LOCKFILE_H
00014 
00015 #ifdef __cplusplus
00016 extern "C" {
00017 #endif
00018 
00019 #include <sys/types.h>
00020 
00021 /**
00022  * op_write_lock_file - write a lock file
00023  * \return errno on failure, or 0 on success
00024  *
00025  * Write the pid into the given lock file. Stale
00026  * lock files are detected and reset.
00027  */
00028 int op_write_lock_file(char const * file);
00029 
00030 #ifdef __cplusplus
00031 }
00032 #endif
00033 
00034 #endif /* OP_LOCKFILE_H */