lockfile.c

#include "lock.h"
#include "messages.h"
#include "strerr.h"
#include "die.h"
#include "idx.h"
#include "open.h"

int lockfile(const char *path)
{
  int fd;
  fd = open_append(path);
  if (fd == -1)
    strerr_die2sys(111,FATAL,MSG1(ERR_OPEN,path));
  if (lock_ex(fd) == -1)
    strerr_die2sys(111,FATAL,MSG1(ERR_OBTAIN_LOCK,path));
  return fd;
}