28 lines
558 B
C
28 lines
558 B
C
#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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int main(int argc, char * argv[]) {
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char * file = ".";
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if (argc > 1) {
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file = argv[1];
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}
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int fd = open(file,O_RDONLY|O_DIRECTORY);
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if (fd < 0) {
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fd = open(file,O_RDONLY);
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}
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if (fd < 0) {
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fprintf(stderr, "sync: open: %s: %s (%d)\n", file, strerror(errno), fd);
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return 1;
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}
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int res = ioctl(fd, IOCTLSYNC, NULL);
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if (res < 0) {
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fprintf(stderr, "sync: ioctl: %s (%d)\n", strerror(errno), fd);
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return 1;
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}
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return 0;
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}
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