xf.li | bfc6e71 | 2025-02-07 01:54:34 -0800 | [diff] [blame^] | 1 | /* vi: set sw=4 ts=4: */ |
| 2 | /* |
| 3 | * fdatasync() for uClibc |
| 4 | * |
| 5 | * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> |
| 6 | * |
| 7 | * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. |
| 8 | */ |
| 9 | |
| 10 | #include <sys/syscall.h> |
| 11 | #include <unistd.h> |
| 12 | |
| 13 | #if !defined __NR_fdatasync && defined __NR_osf_fdatasync |
| 14 | # define __NR_fdatasync __NR_osf_fdatasync |
| 15 | #endif |
| 16 | |
| 17 | #ifdef __NR_fdatasync |
| 18 | |
| 19 | # ifdef __UCLIBC_HAS_THREADS_NATIVE__ |
| 20 | # include <sysdep-cancel.h> |
| 21 | # else |
| 22 | # define SINGLE_THREAD_P 1 |
| 23 | # endif |
| 24 | |
| 25 | #define __NR___syscall_fdatasync __NR_fdatasync |
| 26 | |
| 27 | static __always_inline |
| 28 | _syscall1(int, __syscall_fdatasync, int, fd) |
| 29 | |
| 30 | int fdatasync(int fd) |
| 31 | { |
| 32 | if (SINGLE_THREAD_P) |
| 33 | return __syscall_fdatasync(fd); |
| 34 | |
| 35 | # ifdef __UCLIBC_HAS_THREADS_NATIVE__ |
| 36 | int oldtype = LIBC_CANCEL_ASYNC (); |
| 37 | int result = __syscall_fdatasync(fd); |
| 38 | LIBC_CANCEL_RESET (oldtype); |
| 39 | return result; |
| 40 | # endif |
| 41 | } |
| 42 | |
| 43 | #endif |