Version bump to 0.4.0

Not bumping the async crates - they use it, but they don't expose the
changed API.

Author: vorner

CHANGELOG.md

@@ -1,3 +1,8 @@
+# 0.4
+
+* Changed the `low_level::pipe` to look `OwnedFd` instead of `IntoRawFd`, to
+  enforce ownership of the file descriptor (#196).
+
 # signal-hook-registry-1.4.8
 
 * Restore errno on signal handler exit (#194, #191).

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "signal-hook"
-version = "0.3.18"
+version = "0.4.0"
 authors = [
     "Michal 'vorner' Vaner <vorner@vorner.cz>",
     "Thomas Himmelstoss <thimm@posteo.de>",

Cargo.toml

@@ -23,7 +23,7 @@ maintenance = { status = "actively-developed" }
 libc = "~0.2"
 async-io = "~2"
 futures-lite = "~2"
-signal-hook = { version = "~0.3", path = ".." }
+signal-hook = { version = "~0.4", path = ".." }
 
 [dev-dependencies]
 async-std = { version = "~1", features = ["attributes"] }

signal-hook-async-std/Cargo.toml

@@ -28,7 +28,7 @@ support-v1_0 = ["mio-1_0"]
 
 [dependencies]
 libc = "~0.2"
-signal-hook = { version = "~0.3", path = ".." }
+signal-hook = { version = "~0.4", path = ".." }
 mio-1_0 = { package = "mio", version = "1.0", features = ["net", "os-ext"], optional = true }
 mio-0_8 = { package = "mio", version = "~0.8", features = ["net", "os-ext"], optional = true }
 mio-0_7 = { package = "mio", version = "~0.7", features = ["os-util", "uds"], optional = true }

signal-hook-mio/Cargo.toml

@@ -23,7 +23,7 @@ libc = "^0.2"
 errno = "0.2"
 
 [dev-dependencies]
-signal-hook = { version = "~0.3", path = ".." }
+signal-hook = { version = "~0.4", path = ".." }
 
 [lints.clippy]
 # actually necessary because Rust 1.26 doesn't support allow(clippy::foo) syntax

signal-hook-registry/Cargo.toml

@@ -24,7 +24,7 @@ futures-v0_3 = ["futures-core-0_3"]
 
 [dependencies]
 libc = "~0.2"
-signal-hook = { version = "~0.3", path = ".." }
+signal-hook = { version = "~0.4", path = ".." }
 futures-core-0_3 = { package = "futures-core", version = "~0.3", optional = true }
 tokio = { version = "~1", features = ["net"] }