8a792b034d
Define HAVE_STRUCT_STAT_ST_ATIM to 1 if `st_atim' is member of `struct stat' which means support nanosecond resolution for the file timestamp fields. Signed-off-by: Jiufei Xue <jiufei.xue@linux.alibaba.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
61 lines
2 KiB
C
61 lines
2 KiB
C
/*
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* FUSE: Filesystem in Userspace
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* Copyright (C) 2001-2007 Miklos Szeredi <miklos@szeredi.hu>
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*
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* This program can be distributed under the terms of the GNU LGPLv2.
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* See the file COPYING.LIB
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*/
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#include <pthread.h>
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#include "config-host.h"
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/*
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* Versioned symbols cannot be used in some cases because it
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* - confuse the dynamic linker in uClibc
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* - not supported on MacOSX (in MachO binary format)
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*/
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#if (!defined(__UCLIBC__) && !defined(__APPLE__))
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#define FUSE_SYMVER(x) __asm__(x)
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#else
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#define FUSE_SYMVER(x)
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#endif
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#ifndef USE_UCLIBC
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#define fuse_mutex_init(mut) pthread_mutex_init(mut, NULL)
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#else
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/* Is this hack still needed? */
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static inline void fuse_mutex_init(pthread_mutex_t *mut)
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{
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pthread_mutexattr_t attr;
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pthread_mutexattr_init(&attr);
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pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ADAPTIVE_NP);
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pthread_mutex_init(mut, &attr);
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pthread_mutexattr_destroy(&attr);
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}
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#endif
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#ifdef HAVE_STRUCT_STAT_ST_ATIM
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/* Linux */
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#define ST_ATIM_NSEC(stbuf) ((stbuf)->st_atim.tv_nsec)
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#define ST_CTIM_NSEC(stbuf) ((stbuf)->st_ctim.tv_nsec)
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#define ST_MTIM_NSEC(stbuf) ((stbuf)->st_mtim.tv_nsec)
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#define ST_ATIM_NSEC_SET(stbuf, val) (stbuf)->st_atim.tv_nsec = (val)
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#define ST_CTIM_NSEC_SET(stbuf, val) (stbuf)->st_ctim.tv_nsec = (val)
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#define ST_MTIM_NSEC_SET(stbuf, val) (stbuf)->st_mtim.tv_nsec = (val)
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#elif defined(HAVE_STRUCT_STAT_ST_ATIMESPEC)
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/* FreeBSD */
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#define ST_ATIM_NSEC(stbuf) ((stbuf)->st_atimespec.tv_nsec)
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#define ST_CTIM_NSEC(stbuf) ((stbuf)->st_ctimespec.tv_nsec)
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#define ST_MTIM_NSEC(stbuf) ((stbuf)->st_mtimespec.tv_nsec)
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#define ST_ATIM_NSEC_SET(stbuf, val) (stbuf)->st_atimespec.tv_nsec = (val)
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#define ST_CTIM_NSEC_SET(stbuf, val) (stbuf)->st_ctimespec.tv_nsec = (val)
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#define ST_MTIM_NSEC_SET(stbuf, val) (stbuf)->st_mtimespec.tv_nsec = (val)
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#else
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#define ST_ATIM_NSEC(stbuf) 0
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#define ST_CTIM_NSEC(stbuf) 0
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#define ST_MTIM_NSEC(stbuf) 0
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#define ST_ATIM_NSEC_SET(stbuf, val) do { } while (0)
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#define ST_CTIM_NSEC_SET(stbuf, val) do { } while (0)
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#define ST_MTIM_NSEC_SET(stbuf, val) do { } while (0)
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#endif
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