lib/fuse_misc.h

   1 /*
   2   FUSE: Filesystem in Userspace
   3   Copyright (C) 2001-2007  Miklos Szeredi <miklos@szeredi.hu>
   4
   5   This program can be distributed under the terms of the GNU LGPLv2.
   6   See the file COPYING.LIB
   7 */
   8
   9 #include "config.h"
  10 #include <pthread.h>
  11
  12 /* Versioned symbols confuse the dynamic linker in uClibc */
  13 #ifndef __UCLIBC__
  14 #define FUSE_SYMVER(x) __asm__(x)
  15 #else
  16 #define FUSE_SYMVER(x)
  17 #endif
  18
  19 #ifndef USE_UCLIBC
  20 #define fuse_mutex_init(mut) pthread_mutex_init(mut, NULL)
  21 #else
  22 /* Is this hack still needed? */
  23 static inline void fuse_mutex_init(pthread_mutex_t *mut)
  24 {
  25         pthread_mutexattr_t attr;
  26         pthread_mutexattr_init(&attr);
  27         pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ADAPTIVE_NP);
  28         pthread_mutex_init(mut, &attr);
  29         pthread_mutexattr_destroy(&attr);
  30 }
  31 #endif
  32
  33 #ifdef HAVE_STRUCT_STAT_ST_ATIM
  34 /* Linux */
  35 #define ST_ATIM_NSEC(stbuf) ((stbuf)->st_atim.tv_nsec)
  36 #define ST_CTIM_NSEC(stbuf) ((stbuf)->st_ctim.tv_nsec)
  37 #define ST_MTIM_NSEC(stbuf) ((stbuf)->st_mtim.tv_nsec)
  38 #define ST_ATIM_NSEC_SET(stbuf, val) (stbuf)->st_atim.tv_nsec = (val)
  39 #define ST_MTIM_NSEC_SET(stbuf, val) (stbuf)->st_mtim.tv_nsec = (val)
  40 #elif defined(HAVE_STRUCT_STAT_ST_ATIMESPEC)
  41 /* FreeBSD */
  42 #define ST_ATIM_NSEC(stbuf) ((stbuf)->st_atimespec.tv_nsec)
  43 #define ST_CTIM_NSEC(stbuf) ((stbuf)->st_ctimespec.tv_nsec)
  44 #define ST_MTIM_NSEC(stbuf) ((stbuf)->st_mtimespec.tv_nsec)
  45 #define ST_ATIM_NSEC_SET(stbuf, val) (stbuf)->st_atimespec.tv_nsec = (val)
  46 #define ST_MTIM_NSEC_SET(stbuf, val) (stbuf)->st_mtimespec.tv_nsec = (val)
  47 #else
  48 #define ST_ATIM_NSEC(stbuf) 0
  49 #define ST_CTIM_NSEC(stbuf) 0
  50 #define ST_MTIM_NSEC(stbuf) 0
  51 #define ST_ATIM_NSEC_SET(stbuf, val) do { } while (0)
  52 #define ST_MTIM_NSEC_SET(stbuf, val) do { } while (0)
  53 #endif