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Remove sync_file_range()

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After hearing horror stories from a trusted colleague, I don't think
this is the kind of API we want to be supporting. Also SQLite wisdom
regarding fdatasync() has been added to the documentation.
This commit is contained in:
Justine Tunney 2023-11-15 23:21:22 -08:00
parent 8318d67503
commit 8f5e516b39
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GPG key ID: BE714B4575D6E328
14 changed files with 8 additions and 65 deletions
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7
libc/calls/fdatasync.c
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@ -29,6 +29,11 @@
/**
* Blocks until kernel flushes non-metadata buffers for fd to disk.
*
* NOTE: For `IsXnu()` it's recommended that `fcntl(F_FULLFSYNC)` be
* favored instead of this function, and if that fails, the fallback
* path should call `fsync()` see the SQLite codebase. In the future
* Cosmopolitan might do this automatically.
*
* @return 0 on success, or -1 w/ errno
* @raise ECANCELED if thread was cancelled in masked mode
* @raise EROFS if `fd` is on a read-only filesystem e.g. /zip
@ -37,8 +42,8 @@
* @raise EBADF if `fd` isn't an open file
* @raise EINTR if signal was delivered
* @raise EIO if an i/o error happened
* @see sync(), fsync(), sync_file_range()
* @see __nosync to secretly disable
* @see sync(), fsync()
* @cancelationpoint
* @asyncsignalsafe
*/