10f66f451Sopenharmony_ci/* fsync.c - Synchronize a file's in-core state with storage device. 20f66f451Sopenharmony_ci * 30f66f451Sopenharmony_ci * Copyright 2015 Ranjan Kumar <ranjankumar.bth@gmail.comi> 40f66f451Sopenharmony_ci * 50f66f451Sopenharmony_ci * No Standard. 60f66f451Sopenharmony_ci 70f66f451Sopenharmony_ciUSE_FSYNC(NEWTOY(fsync, "<1d", TOYFLAG_BIN)) 80f66f451Sopenharmony_ci 90f66f451Sopenharmony_ciconfig FSYNC 100f66f451Sopenharmony_ci bool "fsync" 110f66f451Sopenharmony_ci default y 120f66f451Sopenharmony_ci help 130f66f451Sopenharmony_ci usage: fsync [-d] [FILE...] 140f66f451Sopenharmony_ci 150f66f451Sopenharmony_ci Synchronize a file's in-core state with storage device. 160f66f451Sopenharmony_ci 170f66f451Sopenharmony_ci -d Avoid syncing metadata 180f66f451Sopenharmony_ci*/ 190f66f451Sopenharmony_ci 200f66f451Sopenharmony_ci#define FOR_fsync 210f66f451Sopenharmony_ci#include "toys.h" 220f66f451Sopenharmony_ci 230f66f451Sopenharmony_cistatic void do_fsync(int fd, char *name) 240f66f451Sopenharmony_ci{ 250f66f451Sopenharmony_ci if (((toys.optflags & FLAG_d) ? fdatasync(fd) : fsync(fd))) 260f66f451Sopenharmony_ci perror_msg("can't sync '%s'", name); 270f66f451Sopenharmony_ci} 280f66f451Sopenharmony_ci 290f66f451Sopenharmony_civoid fsync_main(void) 300f66f451Sopenharmony_ci{ 310f66f451Sopenharmony_ci loopfiles_rw(toys.optargs, O_RDONLY|O_NOATIME|O_NOCTTY|O_CLOEXEC|WARN_ONLY, 320f66f451Sopenharmony_ci 0, do_fsync); 330f66f451Sopenharmony_ci} 34