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Raito Bezarius f8ccd9d572 libutil/async-io: augment read type safety w.r.t to EOFs 
Usually, EOFs are represented by returning 0 in the `read` APIs, at
least, this is what read(2) dictate.

As clever creature, we may sum zeroes sometimes (advanced form:
`buf->added(got)`) and forego handling the EOF condition.

To avoid the bug that lurked in remote-store.cc and caused busy looping
if the remote end disconnects suddenly, we return
`Result<Option<size_t>>` forcing the caller to perform a specific
processing for the EOF situation.

The conversion did not raise any other offending code path.

Change-Id: I185fdcb77aa82d87ab0802d66ac37c1363657a73
Signed-off-by: Raito Bezarius <raito@lix.systems>
2025-07-23 10:35:37 +00:00
..
archive-settings
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
args
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
deprecated-features
libexpr: Deprecate NUL bytes in strings
2025-02-28 16:17:17 +01:00
experimental-features
libstore/build: cgroup delegation to sandbox
2025-06-10 20:50:00 +02:00
feature-settings
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
logging-settings
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
abstract-setting-to-json.hh
libutil: remove *-json.hh headers
2025-03-25 10:44:50 +01:00
ansicolor.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
apply-config-options.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
archive.cc
libutil/async-io: augment read type safety w.r.t to EOFs
2025-07-23 10:35:37 +00:00
archive.hh
libutil: add an async restorePath
2025-03-03 20:48:59 +01:00
args.cc
libutil/args: fix crash when NIX_GET_COMPLETIONS is not a number
2025-05-27 22:20:22 +00:00
args.hh
treewide: store optional refs as exactly this
2025-04-05 21:57:45 +02:00
async-collect.hh
libutil: add asyncJoin, a Result-based joinPromises
2025-06-17 14:34:05 +02:00
async-io.cc
libutil/async-io: augment read type safety w.r.t to EOFs
2025-07-23 10:35:37 +00:00
async-io.hh
libutil/async-io: augment read type safety w.r.t to EOFs
2025-07-23 10:35:37 +00:00
async-semaphore.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
async.hh
libutil: add low-level provider to AsyncContext
2025-07-15 06:40:48 +00:00
backed-string-view.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
box_ptr.hh
libutil: add box_ptr<T>::take
2025-03-03 20:48:59 +01:00
canon-path.cc
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
canon-path.hh
libexpr: forbid allowed -> disallowed -> allowed links
2025-01-11 20:42:30 +01:00
cgroup.cc
libstore: don't wait for empty cgroups to empty
2025-07-18 18:57:19 +02:00
cgroup.hh
libutil/cgroup: destroy state record at destroy time
2025-06-11 15:53:04 +02:00
charptr-cast.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
checked-arithmetic.hh
treewide: derive all lix exceptions from BaseError
2025-04-06 11:52:32 +02:00
chunked-vector.hh
libexpr/symbol-table: remove unused field from SymbolTable::symbols
2025-06-10 13:58:08 +02:00
closure.hh
libutil: add computeClosureAsync
2025-02-23 17:18:48 +00:00
comparator.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
compression.cc
libutil/async-io: augment read type safety w.r.t to EOFs
2025-07-23 10:35:37 +00:00
compression.hh
libutil: add async decompression support
2025-06-15 15:35:51 +02:00
compute-levels.cc
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
compute-levels.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
concepts.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
config-impl.hh
libstore: allow specifying port for ssh[-ng] stores
2025-02-22 20:37:45 +01:00
config.cc
libutil: remove ca-derivations experimental features
2025-05-20 17:43:46 +00:00
config.hh
treewide: add nix::JSON
2025-03-23 20:42:39 +00:00
current-process.cc
libstore/build: cgroup delegation to sandbox
2025-06-10 20:50:00 +02:00
current-process.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
deprecated-features.cc
libutil: disallow enum serialization by default
2025-03-25 10:44:52 +01:00
deprecated-features.hh
libutil: disallow enum serialization by default
2025-03-25 10:44:52 +01:00
english.cc
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
english.hh
libexpr: show all missing and unexpected arguments instead of just one
2025-03-11 20:21:24 +01:00
environment-variables.cc
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
environment-variables.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
error.cc
libutil: remove ErrorInfo::programName
2025-07-14 17:02:30 +00:00
error.hh
libutil: remove ErrorInfo::programName
2025-07-14 17:02:30 +00:00
escape-char.cc
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
escape-char.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
escape-string.cc
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
escape-string.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
exit.hh
treewide: derive all lix exceptions from BaseError
2025-04-06 11:52:32 +02:00
experimental-features.cc
libutil: disallow enum serialization by default
2025-03-25 10:44:52 +01:00
experimental-features.hh
libutil: disallow enum serialization by default
2025-03-25 10:44:52 +01:00
file-descriptor.cc
readFile: don't explode on negative st_size
2025-07-20 11:06:05 +03:00
file-descriptor.hh
libutil: add generic unix socketpair wrapper
2025-07-15 06:40:48 +00:00
file-system.cc
libutil/async-io: augment read type safety w.r.t to EOFs
2025-07-23 10:35:37 +00:00
file-system.hh
libutil: writeFile variant for file descriptors
2025-06-24 00:28:09 +02:00
finally.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
fmt.cc
crash handling: log to syslog also
2025-02-22 18:33:51 -08:00
fmt.hh
treewide: lint against non-lix exceptions
2025-04-06 12:14:38 +02:00
generator.hh
libtuil: allow non-default-constructible types in generators
2025-01-19 16:40:26 +01:00
git.cc
treewide: wrap std::regex_error
2025-04-24 13:48:15 +00:00
git.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
hash.cc
libutil: add io buffer abstraction
2025-06-11 18:11:57 +00:00
hash.hh
libutil: add io buffer abstraction
2025-06-11 18:11:57 +00:00
hilite.cc
Add missing includes
2025-05-03 23:16:48 +02:00
hilite.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
input-accessor.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
io-buffer.cc
libutil: add io buffer abstraction
2025-06-11 18:11:57 +00:00
io-buffer.hh
libutil: add io buffer abstraction
2025-06-11 18:11:57 +00:00
json-fwd.hh
libutil: disallow enum serialization by default
2025-03-25 10:44:52 +01:00
json-utils.cc
flake/inputs: 24.11-small -> 25.05-small
2025-06-13 18:15:47 +00:00
json.hh
Clean up includes
2025-04-08 12:13:42 +00:00
linear-map.hh
libutil: Introduce LinearMap
2025-05-19 15:35:52 +02:00
lix-util.pc.in
pkg-config: remove legacy include paths!
2025-01-16 00:12:57 -08:00
logging.cc
treewide: lint against non-lix exceptions
2025-04-06 12:14:38 +02:00
logging.hh
flake/inputs: 24.11-small -> 25.05-small
2025-06-13 18:15:47 +00:00
lru-cache.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
manually-drop.hh
Fix piping nix store ls output on macOS
2025-02-28 18:17:47 -08:00
meson.build
treewide: add first batch of capnp rpc types
2025-07-15 20:33:30 +02:00
monitor-fd.cc
darwin: fix repeated delivery of MonitorFdHup callbacks
2025-07-11 19:41:18 -07:00
monitor-fd.hh
darwin: fix repeated delivery of MonitorFdHup callbacks
2025-07-11 19:41:18 -07:00
mount.cc
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
mount.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
namespaces.cc
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
namespaces.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
notifying-counter.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
pool.hh
libutil: make the pool element factory a promise
2025-06-11 22:28:44 +02:00
position.cc
libutil: add CheckedSourcePath for accessing things
2025-01-10 15:20:27 -08:00
position.hh
libutil: add CheckedSourcePath for accessing things
2025-01-10 15:20:27 -08:00
print-elided.cc
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
print-elided.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
processes.cc
libutil: remove unused ProcessOptions members
2025-07-04 14:01:11 +02:00
processes.hh
libutil: remove unused ProcessOptions members
2025-07-04 14:01:11 +02:00
ref.hh
libutil: disallow implicit ref creations
2025-04-06 20:29:25 +02:00
references.cc
flake/inputs: 24.11-small -> 25.05-small
2025-06-13 18:15:47 +00:00
references.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
regex-combinators.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
regex.cc
treewide: wrap std::regex_error
2025-04-24 13:48:15 +00:00
regex.hh
treewide: wrap std::regex_error
2025-04-24 13:48:15 +00:00
repair-flag.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
result.hh
libutil: add result::current_exception()
2025-01-23 15:53:50 +00:00
rpc-fwd.hh
treewide: add first batch of capnp rpc types
2025-07-15 20:33:30 +02:00
rpc.hh
treewide: add first batch of capnp rpc types
2025-07-15 20:33:30 +02:00
serialise.cc
libutil: remove unused Source::good
2025-06-17 14:34:05 +02:00
serialise.hh
libstore: use async streams in RemoteStore
2025-06-17 15:25:32 +02:00
shlex.cc
treewide: wrap std::regex_error
2025-04-24 13:48:15 +00:00
shlex.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
signals.cc
libutil: fix signaling handling on darwin
2025-07-06 17:47:42 +02:00
signals.hh
libutil: handle sigint only once per thread
2025-07-06 10:45:55 +00:00
source-path.cc
libutil: add CheckedSourcePath for accessing things
2025-01-10 15:20:27 -08:00
source-path.hh
libutil: add CheckedSourcePath for accessing things
2025-01-10 15:20:27 -08:00
split.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
strings.cc
treewide: lint against non-lix exceptions
2025-04-06 12:14:38 +02:00
strings.hh
nix-util: Add concatMapStrings
2025-01-19 09:55:10 +01:00
suggestions.cc
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
suggestions.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
sync.hh
libutil: optimize Sync<T, AsyncMutex>
2025-07-07 18:13:16 +00:00
tarfile.cc
treewide: lint against non-lix exceptions
2025-04-06 12:14:38 +02:00
tarfile.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
terminal.cc
Merge "libutil: read window size from stdout if stderr fails" into main
2025-05-18 21:09:16 +00:00
terminal.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
thread-name.cc
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
thread-name.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
thread-pool.cc
treewide: lint against non-lix exceptions
2025-04-06 12:14:38 +02:00
thread-pool.hh
libutil: add processGraphAsync
2025-03-05 18:49:45 +01:00
topo-sort.hh
treewide: lint against non-lix exceptions
2025-04-06 12:14:38 +02:00
tracepoint.hh
dtrace: fix on macOS (except in the package)
2025-03-26 10:40:50 -07:00
types-rpc.hh
treewide: add first batch of capnp rpc types
2025-07-15 20:33:30 +02:00
types.capnp
treewide: add first batch of capnp rpc types
2025-07-15 20:33:30 +02:00
types.hh
flake/inputs: 24.11-small -> 25.05-small
2025-06-13 18:15:47 +00:00
unix-domain-socket.cc
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
unix-domain-socket.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
url-name.cc
treewide: wrap std::regex_error
2025-04-24 13:48:15 +00:00
url-name.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
url-parts.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
url.cc
treewide: wrap std::regex_error
2025-04-24 13:48:15 +00:00
url.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
users.cc
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
users.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
variant-wrapper.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
xml-writer.cc
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00
xml-writer.hh
fix tooling after include reorganization
2024-11-19 22:55:32 +00:00