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bsd: debitrot atomic and debug

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closes #18119
This commit is contained in:
Michael Dusan 2023-11-26 02:06:54 -05:00 committed by Andrew Kelley
parent 069a079ddc
commit 50bbb9d960
2 changed files with 11 additions and 10 deletions
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16
lib/std/Thread/Futex.zig
View File

@ -306,7 +306,7 @@ const FreebsdImpl = struct {
}
const rc = os.freebsd._umtx_op(
@intFromPtr(&ptr.value),
@intFromPtr(&ptr.raw),
@intFromEnum(os.freebsd.UMTX_OP.WAIT_UINT_PRIVATE),
@as(c_ulong, expect),
tm_size,
@ -328,7 +328,7 @@ const FreebsdImpl = struct {
fn wake(ptr: *const atomic.Value(u32), max_waiters: u32) void {
const rc = os.freebsd._umtx_op(
@intFromPtr(&ptr.value),
@intFromPtr(&ptr.raw),
@intFromEnum(os.freebsd.UMTX_OP.WAKE_PRIVATE),
@as(c_ulong, max_waiters),
0, // there is no timeout struct
@ -354,7 +354,7 @@ const OpenbsdImpl = struct {
}
const rc = os.openbsd.futex(
@as(*const volatile u32, @ptrCast(&ptr.value)),
@as(*const volatile u32, @ptrCast(&ptr.raw)),
os.openbsd.FUTEX_WAIT | os.openbsd.FUTEX_PRIVATE_FLAG,
@as(c_int, @bitCast(expect)),
if (timeout != null) &ts else null,
@ -379,7 +379,7 @@ const OpenbsdImpl = struct {
fn wake(ptr: *const atomic.Value(u32), max_waiters: u32) void {
const rc = os.openbsd.futex(
@as(*const volatile u32, @ptrCast(&ptr.value)),
@as(*const volatile u32, @ptrCast(&ptr.raw)),
os.openbsd.FUTEX_WAKE | os.openbsd.FUTEX_PRIVATE_FLAG,
std.math.cast(c_int, max_waiters) orelse std.math.maxInt(c_int),
null, // FUTEX_WAKE takes no timeout ptr
@ -414,7 +414,7 @@ const DragonflyImpl = struct {
}
const value = @as(c_int, @bitCast(expect));
const addr = @as(*const volatile c_int, @ptrCast(&ptr.value));
const addr = @as(*const volatile c_int, @ptrCast(&ptr.raw));
const rc = os.dragonfly.umtx_sleep(addr, value, timeout_us);
switch (os.errno(rc)) {
@ -443,7 +443,7 @@ const DragonflyImpl = struct {
// https://man.dragonflybsd.org/?command=umtx&section=2
// > umtx_wakeup() will generally return 0 unless the address is bad.
// We are fine with the address being bad (e.g. for Semaphore.post() where Semaphore.wait() frees the Semaphore)
const addr = @as(*const volatile c_int, @ptrCast(&ptr.value));
const addr = @as(*const volatile c_int, @ptrCast(&ptr.raw));
_ = os.dragonfly.umtx_wakeup(addr, to_wake);
}
};
@ -461,7 +461,7 @@ const WasmImpl = struct {
\\memory.atomic.wait32 0
\\local.set %[ret]
: [ret] "=r" (-> u32),
: [ptr] "r" (&ptr.value),
: [ptr] "r" (&ptr.raw),
[expected] "r" (@as(i32, @bitCast(expect))),
[timeout] "r" (to),
);
@ -484,7 +484,7 @@ const WasmImpl = struct {
\\memory.atomic.notify 0
\\local.set %[ret]
: [ret] "=r" (-> u32),
: [ptr] "r" (&ptr.value),
: [ptr] "r" (&ptr.raw),
[waiters] "r" (max_waiters),
);
_ = woken_count; // can be 0 when linker flag 'shared-memory' is not enabled

5
lib/std/debug.zig
View File

@ -2387,6 +2387,7 @@ fn handleSegfaultPosix(sig: i32, info: *const os.siginfo_t, ctx_ptr: ?*const any
else => unreachable,
};
const code = if (native_os == .netbsd) info.info.code else info.code;
nosuspend switch (panic_stage) {
0 => {
panic_stage = 1;
@ -2396,14 +2397,14 @@ fn handleSegfaultPosix(sig: i32, info: *const os.siginfo_t, ctx_ptr: ?*const any
panic_mutex.lock();
defer panic_mutex.unlock();
dumpSegfaultInfoPosix(sig, info.code, addr, ctx_ptr);
dumpSegfaultInfoPosix(sig, code, addr, ctx_ptr);
}
waitForOtherThreadToFinishPanicking();
},
else => {
// panic mutex already locked
dumpSegfaultInfoPosix(sig, info.code, addr, ctx_ptr);
dumpSegfaultInfoPosix(sig, code, addr, ctx_ptr);
},
};