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author | Rene Mayrhofer <rene@mayrhofer.eu.org> | 2010-02-23 10:34:14 +0000 |
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committer | Rene Mayrhofer <rene@mayrhofer.eu.org> | 2010-02-23 10:34:14 +0000 |
commit | ed7d79f96177044949744da10f4431c1d6242241 (patch) | |
tree | 3aabaa55ed3b5291daef891cfee9befb5235e2b8 /src/dumm/cowfs.c | |
parent | 7410d3c6d6a9a1cd7aa55083c938946af6ff9498 (diff) | |
download | vyos-strongswan-ed7d79f96177044949744da10f4431c1d6242241.tar.gz vyos-strongswan-ed7d79f96177044949744da10f4431c1d6242241.zip |
[svn-upgrade] Integrating new upstream version, strongswan (4.3.6)
Diffstat (limited to 'src/dumm/cowfs.c')
-rw-r--r-- | src/dumm/cowfs.c | 115 |
1 files changed, 58 insertions, 57 deletions
diff --git a/src/dumm/cowfs.c b/src/dumm/cowfs.c index 69f008976..f7b6b0cf3 100644 --- a/src/dumm/cowfs.c +++ b/src/dumm/cowfs.c @@ -29,12 +29,12 @@ #include <dirent.h> #include <errno.h> #include <sys/time.h> -#include <pthread.h> #include "cowfs.h" #include <library.h> #include <debug.h> +#include <threading/thread.h> /** define _XOPEN_SOURCE 500 fails when using libstrongswan, define popen */ extern ssize_t pread(int fd, void *buf, size_t count, off_t offset); @@ -64,7 +64,7 @@ struct private_cowfs_t { /** optional COW overlay */ int over_fd; /** thread processing FUSE */ - pthread_t thread; + thread_t *thread; }; /** @@ -96,7 +96,7 @@ static void rel(const char **path) static int get_rd(const char *path) { private_cowfs_t *this = get_this(); - + if (this->over_fd > 0 && faccessat(this->over_fd, path, F_OK, 0) == 0) { return this->over_fd; @@ -130,7 +130,7 @@ static bool clone_path(int rd, int wr, const char *path) struct stat st; full = strdupa(path); pos = full; - + while ((pos = strchr(pos, '/'))) { *pos = '\0'; @@ -162,10 +162,10 @@ static int copy(const char *path) int rd, wr; int from, to; struct stat st; - + rd = get_rd(path); wr = get_wr(path); - + if (rd == wr) { /* already writeable */ @@ -223,7 +223,7 @@ static int copy(const char *path) static int cowfs_getattr(const char *path, struct stat *stbuf) { rel(&path); - + if (fstatat(get_rd(path), path, stbuf, AT_SYMLINK_NOFOLLOW) < 0) { return -errno; @@ -237,7 +237,7 @@ static int cowfs_getattr(const char *path, struct stat *stbuf) static int cowfs_access(const char *path, int mask) { rel(&path); - + if (faccessat(get_rd(path), path, mask, 0) < 0) { return -errno; @@ -251,9 +251,9 @@ static int cowfs_access(const char *path, int mask) static int cowfs_readlink(const char *path, char *buf, size_t size) { int res; - + rel(&path); - + res = readlinkat(get_rd(path), path, buf, size - 1); if (res < 0) { @@ -269,16 +269,16 @@ static int cowfs_readlink(const char *path, char *buf, size_t size) static DIR* get_dir(char *dir, const char *subdir) { char *full; - + if (dir == NULL) { return NULL; } - + full = alloca(strlen(dir) + strlen(subdir) + 1); strcpy(full, dir); strcat(full, subdir); - + return opendir(full); } @@ -290,7 +290,7 @@ static bool contains_dir(DIR *d, char *dirname) if (d) { struct dirent *ent; - + rewinddir(d); while ((ent = readdir(d))) { @@ -313,13 +313,13 @@ static int cowfs_readdir(const char *path, void *buf, fuse_fill_dir_t filler, DIR *d1, *d2, *d3; struct stat st; struct dirent *ent; - + memset(&st, 0, sizeof(st)); - + d1 = get_dir(this->master, path); d2 = get_dir(this->host, path); d3 = get_dir(this->over, path); - + if (d1) { while ((ent = readdir(d1))) @@ -369,13 +369,13 @@ static int cowfs_mknod(const char *path, mode_t mode, dev_t rdev) { int fd; rel(&path); - + fd = get_wr(path); if (!clone_path(get_rd(path), fd, path)) { return -errno; } - + if (mknodat(fd, path, mode, rdev) < 0) { return -errno; @@ -390,7 +390,7 @@ static int cowfs_mkdir(const char *path, mode_t mode) { int fd; rel(&path); - + fd = get_wr(path); if (!clone_path(get_rd(path), fd, path)) { @@ -409,7 +409,7 @@ static int cowfs_mkdir(const char *path, mode_t mode) static int cowfs_unlink(const char *path) { rel(&path); - + /* TODO: whiteout master */ if (unlinkat(get_wr(path), path, 0) < 0) { @@ -424,7 +424,7 @@ static int cowfs_unlink(const char *path) static int cowfs_rmdir(const char *path) { rel(&path); - + /* TODO: whiteout master */ if (unlinkat(get_wr(path), path, AT_REMOVEDIR) < 0) { @@ -440,10 +440,10 @@ static int cowfs_symlink(const char *from, const char *to) { int fd; const char *fromrel = from; - + rel(&to); rel(&fromrel); - + fd = get_wr(to); if (!clone_path(get_rd(fromrel), fd, fromrel)) { @@ -462,10 +462,10 @@ static int cowfs_symlink(const char *from, const char *to) static int cowfs_rename(const char *from, const char *to) { int fd; - + rel(&from); rel(&to); - + fd = copy(from); if (fd < 0) { @@ -484,13 +484,13 @@ static int cowfs_rename(const char *from, const char *to) static int cowfs_link(const char *from, const char *to) { int rd, wr; - + rel(&from); rel(&to); - + rd = get_rd(from); wr = get_wr(to); - + if (!clone_path(rd, wr, to)) { DBG1("cloning path '%s' failed", to); @@ -511,7 +511,7 @@ static int cowfs_chmod(const char *path, mode_t mode) { int fd; struct stat st; - + rel(&path); fd = get_rd(path); if (fstatat(fd, path, &st, 0) < 0) @@ -541,7 +541,7 @@ static int cowfs_chown(const char *path, uid_t uid, gid_t gid) { int fd; struct stat st; - + rel(&path); fd = get_rd(path); if (fstatat(fd, path, &st, 0) < 0) @@ -571,7 +571,7 @@ static int cowfs_truncate(const char *path, off_t size) { int fd; struct stat st; - + rel(&path); fd = get_rd(path); if (fstatat(fd, path, &st, 0) < 0) @@ -608,19 +608,19 @@ static int cowfs_utimens(const char *path, const struct timespec ts[2]) { struct timeval tv[2]; int fd; - + rel(&path); fd = copy(path); if (fd < 0) { return -errno; } - + tv[0].tv_sec = ts[0].tv_sec; tv[0].tv_usec = ts[0].tv_nsec / 1000; tv[1].tv_sec = ts[1].tv_sec; tv[1].tv_usec = ts[1].tv_nsec / 1000; - + if (futimesat(fd, path, tv) < 0) { return -errno; @@ -634,10 +634,10 @@ static int cowfs_utimens(const char *path, const struct timespec ts[2]) static int cowfs_open(const char *path, struct fuse_file_info *fi) { int fd; - + rel(&path); fd = get_rd(path); - + fd = openat(fd, path, fi->flags); if (fd < 0) { @@ -654,17 +654,17 @@ static int cowfs_read(const char *path, char *buf, size_t size, off_t offset, struct fuse_file_info *fi) { int file, fd, res; - + rel(&path); - + fd = get_rd(path); - + file = openat(fd, path, O_RDONLY); if (file < 0) { return -errno; } - + res = pread(file, buf, size, offset); if (res < 0) { @@ -681,9 +681,9 @@ static int cowfs_write(const char *path, const char *buf, size_t size, off_t offset, struct fuse_file_info *fi) { int file, fd, res; - + rel(&path); - + fd = copy(path); if (fd < 0) { @@ -709,25 +709,25 @@ static int cowfs_write(const char *path, const char *buf, size_t size, static int cowfs_statfs(const char *path, struct statvfs *stbuf) { int fd; - + fd = get_rd(path); if (fstatvfs(fd, stbuf) < 0) { return -errno; } - + return 0; } -/** +/** * FUSE init method */ static void *cowfs_init(struct fuse_conn_info *conn) { struct fuse_context *ctx; - + ctx = fuse_get_context(); - + return ctx->private_data; } @@ -792,7 +792,7 @@ static void destroy(private_cowfs_t *this) { fuse_exit(this->fuse); fuse_unmount(this->mount, this->chan); - pthread_join(this->thread, NULL); + this->thread->join(this->thread); fuse_destroy(this->fuse); free(this->mount); free(this->master); @@ -814,10 +814,10 @@ cowfs_t *cowfs_create(char *master, char *host, char *mount) { struct fuse_args args = {0, NULL, 0}; private_cowfs_t *this = malloc_thing(private_cowfs_t); - + this->public.set_overlay = (bool(*)(cowfs_t*, char *path))set_overlay; this->public.destroy = (void(*)(cowfs_t*))destroy; - + this->master_fd = open(master, O_RDONLY | O_DIRECTORY); if (this->master_fd < 0) { @@ -834,7 +834,7 @@ cowfs_t *cowfs_create(char *master, char *host, char *mount) return NULL; } this->over_fd = -1; - + this->chan = fuse_mount(mount, &args); if (this->chan == NULL) { @@ -844,7 +844,7 @@ cowfs_t *cowfs_create(char *master, char *host, char *mount) free(this); return NULL; } - + this->fuse = fuse_new(this->chan, &args, &cowfs_operations, sizeof(cowfs_operations), this); if (this->fuse == NULL) @@ -856,13 +856,14 @@ cowfs_t *cowfs_create(char *master, char *host, char *mount) free(this); return NULL; } - + this->mount = strdup(mount); this->master = strdup(master); this->host = strdup(host); this->over = NULL; - - if (pthread_create(&this->thread, NULL, (void*)fuse_loop, this->fuse) != 0) + + this->thread = thread_create((thread_main_t)fuse_loop, this->fuse); + if (!this->thread) { DBG1("creating thread to handle FUSE failed"); fuse_unmount(mount, this->chan); @@ -874,7 +875,7 @@ cowfs_t *cowfs_create(char *master, char *host, char *mount) free(this); return NULL; } - + return &this->public; } |