diff options
Diffstat (limited to 'src/stat.c')
| -rw-r--r-- | src/stat.c | 13 |
1 files changed, 7 insertions, 6 deletions
@@ -2,6 +2,7 @@ // SPDX-License-Identifier: 0BSD #include "stat.h" +#include "atomic.h" #include "bfstd.h" #include "config.h" #include "diag.h" @@ -248,14 +249,14 @@ static int bfs_statx_impl(int at_fd, const char *at_path, int at_flags, struct b */ static int bfs_stat_explicit(int at_fd, const char *at_path, int at_flags, int x_flags, struct bfs_stat *buf) { #if BFS_STATX - static bool has_statx = true; + static atomic bool has_statx = true; - if (has_statx) { + if (load(&has_statx, relaxed)) { int ret = bfs_statx_impl(at_fd, at_path, at_flags | x_flags, buf); // EPERM is commonly returned in a seccomp() sandbox that does // not allow statx() if (ret != 0 && (errno == ENOSYS || errno == EPERM)) { - has_statx = false; + store(&has_statx, false, relaxed); } else { return ret; } @@ -305,12 +306,12 @@ int bfs_stat(int at_fd, const char *at_path, enum bfs_stat_flags flags, struct b // Check __GNU__ to work around https://lists.gnu.org/archive/html/bug-hurd/2021-12/msg00001.html #if defined(AT_EMPTY_PATH) && !__GNU__ - static bool has_at_ep = true; - if (has_at_ep) { + static atomic bool has_at_ep = true; + if (load(&has_at_ep, relaxed)) { at_flags |= AT_EMPTY_PATH; int ret = bfs_stat_explicit(at_fd, "", at_flags, x_flags, buf); if (ret != 0 && errno == EINVAL) { - has_at_ep = false; + store(&has_at_ep, false, relaxed); } else { return ret; } |