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Fallback to fstat

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This commit is contained in:
Jarred Sumner
2024-03-14 18:40:29 +01:00
parent a1eb9ce186
commit 082f5a7cfa
1 changed files with 11 additions and 0 deletions
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11
src/sys.zig
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@@ -1332,6 +1332,9 @@ pub const StatxField = enum(comptime_int) {
size = linux.STATX_SIZE,
blocks = linux.STATX_BLOCKS,
};
// Linux Kernel v4.11
var supports_statx_on_linux: std.atomic.Atomic(bool) = std.atomic.Atomic(bool).init(true);
pub fn fstatx(fd: bun.FileDescriptor, comptime fields: []const StatxField) Maybe(bun.Stat) {
if (comptime Environment.isWindows) {
if (comptime fields.len == 1 and fields[0] == .size) {
@@ -1356,6 +1359,10 @@ pub fn fstatx(fd: bun.FileDescriptor, comptime fields: []const StatxField) Maybe
return fstat(fd);
}
if (!supports_statx_on_linux.load(.Monotonic)) {
return fstat(fd);
}
var buf: std.os.linux.Statx = comptime std.mem.zeroes(linux.Statx);
const mask: u32 = comptime brk: {
@@ -1371,6 +1378,10 @@ pub fn fstatx(fd: bun.FileDescriptor, comptime fields: []const StatxField) Maybe
const rc = linux.statx(@intCast(fd.cast()), "", linux.AT.EMPTY_PATH | 0, mask, &buf);
if (Maybe(bun.Stat).errnoSysFd(rc, .fstat, fd)) |err| {
if (err.getErrno() == .NOSYS) {
supports_statx_on_linux.store(false, .Monotonic);
return fstat(fd);
}
return .{ .err = err.err };
}