luo980/libuv
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

unix: stat: detect sub-second changes on linux

Browse Source
This commit is contained in:
Ben Noordhuis 2012-06-15 15:26:55 +02:00
parent cc7c8542a5
commit 5ff2b6121f
1 changed files with 16 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
src/fs-poll.c
View File

@ -194,6 +194,22 @@ static int statbuf_eq(const uv__statbuf_t* a, const uv__statbuf_t* b) {
&& a->st_size == b->st_size
&& a->st_mode == b->st_mode;
#else
/* Jump through a few hoops to get sub-second granularity on Linux. */
# if __linux__
# if __USE_MISC /* _BSD_SOURCE || _SVID_SOURCE */
if (a->st_ctim.tv_nsec != b->st_ctim.tv_nsec) return 0;
if (a->st_mtim.tv_nsec != b->st_mtim.tv_nsec) return 0;
# else
if (a->st_ctimensec != b->st_ctimensec) return 0;
if (a->st_mtimensec != b->st_mtimensec) return 0;
# endif
# endif
/* TODO(bnoordhuis) Other Unices have st_ctim and friends too, provided
* the stars and compiler flags are right...
*/
return a->st_ctime == b->st_ctime
&& a->st_mtime == b->st_mtime
&& a->st_size == b->st_size