Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20211016' into staging
[qemu.git] / tools / virtiofsd / 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 <pthread.h>
10
11 /*
12 * Versioned symbols cannot be used in some cases because it
13 * - confuse the dynamic linker in uClibc
14 * - not supported on MacOSX (in MachO binary format)
15 */
16 #if (!defined(__UCLIBC__) && !defined(__APPLE__))
17 #define FUSE_SYMVER(x) __asm__(x)
18 #else
19 #define FUSE_SYMVER(x)
20 #endif
21
22 #ifndef USE_UCLIBC
23 #define fuse_mutex_init(mut) pthread_mutex_init(mut, NULL)
24 #else
25 /* Is this hack still needed? */
26 static inline void fuse_mutex_init(pthread_mutex_t *mut)
27 {
28 pthread_mutexattr_t attr;
29 pthread_mutexattr_init(&attr);
30 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ADAPTIVE_NP);
31 pthread_mutex_init(mut, &attr);
32 pthread_mutexattr_destroy(&attr);
33 }
34 #endif
35
36 #ifdef HAVE_STRUCT_STAT_ST_ATIM
37 /* Linux */
38 #define ST_ATIM_NSEC(stbuf) ((stbuf)->st_atim.tv_nsec)
39 #define ST_CTIM_NSEC(stbuf) ((stbuf)->st_ctim.tv_nsec)
40 #define ST_MTIM_NSEC(stbuf) ((stbuf)->st_mtim.tv_nsec)
41 #define ST_ATIM_NSEC_SET(stbuf, val) (stbuf)->st_atim.tv_nsec = (val)
42 #define ST_CTIM_NSEC_SET(stbuf, val) (stbuf)->st_ctim.tv_nsec = (val)
43 #define ST_MTIM_NSEC_SET(stbuf, val) (stbuf)->st_mtim.tv_nsec = (val)
44 #elif defined(HAVE_STRUCT_STAT_ST_ATIMESPEC)
45 /* FreeBSD */
46 #define ST_ATIM_NSEC(stbuf) ((stbuf)->st_atimespec.tv_nsec)
47 #define ST_CTIM_NSEC(stbuf) ((stbuf)->st_ctimespec.tv_nsec)
48 #define ST_MTIM_NSEC(stbuf) ((stbuf)->st_mtimespec.tv_nsec)
49 #define ST_ATIM_NSEC_SET(stbuf, val) (stbuf)->st_atimespec.tv_nsec = (val)
50 #define ST_CTIM_NSEC_SET(stbuf, val) (stbuf)->st_ctimespec.tv_nsec = (val)
51 #define ST_MTIM_NSEC_SET(stbuf, val) (stbuf)->st_mtimespec.tv_nsec = (val)
52 #else
53 #define ST_ATIM_NSEC(stbuf) 0
54 #define ST_CTIM_NSEC(stbuf) 0
55 #define ST_MTIM_NSEC(stbuf) 0
56 #define ST_ATIM_NSEC_SET(stbuf, val) do { } while (0)
57 #define ST_CTIM_NSEC_SET(stbuf, val) do { } while (0)
58 #define ST_MTIM_NSEC_SET(stbuf, val) do { } while (0)
59 #endif