diff options
Diffstat (limited to 'draft/fuse-examples/fselclient.c')
-rw-r--r-- | draft/fuse-examples/fselclient.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/draft/fuse-examples/fselclient.c b/draft/fuse-examples/fselclient.c new file mode 100644 index 0000000..7c4b837 --- /dev/null +++ b/draft/fuse-examples/fselclient.c @@ -0,0 +1,72 @@ +/* + FUSE fselclient: FUSE select example client + Copyright (C) 2008 SUSE Linux Products GmbH + Copyright (C) 2008 Tejun Heo <teheo@suse.de> + + This program can be distributed under the terms of the GNU GPL. + See the file COPYING. + + gcc -Wall fselclient.c -o fselclient +*/ + +#include <sys/select.h> +#include <sys/time.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <unistd.h> +#include <ctype.h> +#include <stdio.h> +#include <stdlib.h> +#include <errno.h> + +#define FSEL_FILES 16 + +int main(void) +{ + static const char hex_map[FSEL_FILES] = "0123456789ABCDEF"; + int fds[FSEL_FILES]; + int i, nfds; + + for (i = 0; i < FSEL_FILES; i++) { + char name[] = { hex_map[i], '\0' }; + fds[i] = open(name, O_RDONLY); + if (fds[i] < 0) { + perror("open"); + return 1; + } + } + nfds = fds[FSEL_FILES - 1] + 1; + + while (1) { + static char buf[4096]; + fd_set rfds; + int rc; + + FD_ZERO(&rfds); + for (i = 0; i < FSEL_FILES; i++) + FD_SET(fds[i], &rfds); + + rc = select(nfds, &rfds, NULL, NULL, NULL); + + if (rc < 0) { + perror("select"); + return 1; + } + + for (i = 0; i < FSEL_FILES; i++) { + if (!FD_ISSET(fds[i], &rfds)) { + printf("_: "); + continue; + } + printf("%X:", i); + rc = read(fds[i], buf, sizeof(buf)); + if (rc < 0) { + perror("read"); + return 1; + } + printf("%02d ", rc); + } + printf("\n"); + } +} |