BREAKING(unstable): Remove Deno.Signals enum, Deno.signals.* (#11909)

12 files changed, 187 insertions, 380 deletions

diff --git a/cli/diagnostics.rs b/cli/diagnostics.rs
index 01c096a11..203ae2e84 100644
--- a/cli/diagnostics.rs
+++ b/cli/diagnostics.rs
@@ -25,17 +25,14 @@ const UNSTABLE_DENO_PROPS: &[&str] = &[
   "EmitOptions",
   "EmitResult",
   "HttpClient",
-  "LinuxSignal",
   "Location",
   "MXRecord",
-  "MacOSSignal",
   "Metrics",
   "OpMetrics",
   "RecordType",
   "ResolveDnsOptions",
   "SRVRecord",
   "SetRawOptions",
-  "Signal",
   "SignalStream",
   "StartTlsOptions",
   "SystemMemoryInfo",
diff --git a/cli/dts/lib.deno.ns.d.ts b/cli/dts/lib.deno.ns.d.ts
index 6a5b73112..b8126f4cf 100644
--- a/cli/dts/lib.deno.ns.d.ts
+++ b/cli/dts/lib.deno.ns.d.ts
@@ -1982,13 +1982,12 @@ declare namespace Deno {
     stderrOutput(): Promise<Uint8Array>;
     close(): void;
 
-    /** **UNSTABLE**: The `signo` argument may change to require the Deno.Signal
-     * enum.
+    /** **UNSTABLE**
      *
      * Send a signal to process. This functionality currently only works on
      * Linux and Mac OS.
      */
-    kill(signo: number): void;
+    kill(signo: string): void; // TODO(ry): Use Signal type here once made stable.
   }
 
   export type ProcessStatus =
diff --git a/cli/dts/lib.deno.unstable.d.ts b/cli/dts/lib.deno.unstable.d.ts
index d991196cb..82ab9f5a1 100644
--- a/cli/dts/lib.deno.unstable.d.ts
+++ b/cli/dts/lib.deno.unstable.d.ts
@@ -562,77 +562,40 @@ declare namespace Deno {
    */
   export function applySourceMap(location: Location): Location;
 
-  enum LinuxSignal {
-    SIGHUP = 1,
-    SIGINT = 2,
-    SIGQUIT = 3,
-    SIGILL = 4,
-    SIGTRAP = 5,
-    SIGABRT = 6,
-    SIGBUS = 7,
-    SIGFPE = 8,
-    SIGKILL = 9,
-    SIGUSR1 = 10,
-    SIGSEGV = 11,
-    SIGUSR2 = 12,
-    SIGPIPE = 13,
-    SIGALRM = 14,
-    SIGTERM = 15,
-    SIGSTKFLT = 16,
-    SIGCHLD = 17,
-    SIGCONT = 18,
-    SIGSTOP = 19,
-    SIGTSTP = 20,
-    SIGTTIN = 21,
-    SIGTTOU = 22,
-    SIGURG = 23,
-    SIGXCPU = 24,
-    SIGXFSZ = 25,
-    SIGVTALRM = 26,
-    SIGPROF = 27,
-    SIGWINCH = 28,
-    SIGIO = 29,
-    SIGPWR = 30,
-    SIGSYS = 31,
-  }
-  enum MacOSSignal {
-    SIGHUP = 1,
-    SIGINT = 2,
-    SIGQUIT = 3,
-    SIGILL = 4,
-    SIGTRAP = 5,
-    SIGABRT = 6,
-    SIGEMT = 7,
-    SIGFPE = 8,
-    SIGKILL = 9,
-    SIGBUS = 10,
-    SIGSEGV = 11,
-    SIGSYS = 12,
-    SIGPIPE = 13,
-    SIGALRM = 14,
-    SIGTERM = 15,
-    SIGURG = 16,
-    SIGSTOP = 17,
-    SIGTSTP = 18,
-    SIGCONT = 19,
-    SIGCHLD = 20,
-    SIGTTIN = 21,
-    SIGTTOU = 22,
-    SIGIO = 23,
-    SIGXCPU = 24,
-    SIGXFSZ = 25,
-    SIGVTALRM = 26,
-    SIGPROF = 27,
-    SIGWINCH = 28,
-    SIGINFO = 29,
-    SIGUSR1 = 30,
-    SIGUSR2 = 31,
-  }
-
-  /** **UNSTABLE**: Further changes required to make platform independent.
-   *
-   * Signals numbers. This is platform dependent. */
-  export const Signal: typeof MacOSSignal | typeof LinuxSignal;
+  export type Signal =
+    | "SIGABRT"
+    | "SIGALRM"
+    | "SIGBUS"
+    | "SIGCHLD"
+    | "SIGCONT"
+    | "SIGEMT"
+    | "SIGFPE"
+    | "SIGHUP"
+    | "SIGILL"
+    | "SIGINFO"
+    | "SIGINT"
+    | "SIGIO"
+    | "SIGKILL"
+    | "SIGPIPE"
+    | "SIGPROF"
+    | "SIGPWR"
+    | "SIGQUIT"
+    | "SIGSEGV"
+    | "SIGSTKFLT"
+    | "SIGSTOP"
+    | "SIGSYS"
+    | "SIGTERM"
+    | "SIGTRAP"
+    | "SIGTSTP"
+    | "SIGTTIN"
+    | "SIGTTOU"
+    | "SIGURG"
+    | "SIGUSR1"
+    | "SIGUSR2"
+    | "SIGVTALRM"
+    | "SIGWINCH"
+    | "SIGXCPU"
+    | "SIGXFSZ";
 
   /** **UNSTABLE**: new API, yet to be vetted.
    *
@@ -640,7 +603,7 @@ declare namespace Deno {
    * `PromiseLike`. */
   export class SignalStream
     implements AsyncIterableIterator<void>, PromiseLike<void> {
-    constructor(signal: typeof Deno.Signal);
+    constructor(signal: Signal);
     then<T, S>(
       f: (v: void) => T | Promise<T>,
       g?: (v: void) => S | Promise<S>,
@@ -656,7 +619,7 @@ declare namespace Deno {
    * iterator.
    *
    * ```ts
-   * for await (const _ of Deno.signal(Deno.Signal.SIGTERM)) {
+   * for await (const _ of Deno.signal("SIGTERM")) {
    *   console.log("got SIGTERM!");
    * }
    * ```
@@ -665,7 +628,7 @@ declare namespace Deno {
    * first one.
    *
    * ```ts
-   * await Deno.signal(Deno.Signal.SIGTERM);
+   * await Deno.signal("SIGTERM");
    * console.log("SIGTERM received!")
    * ```
    *
@@ -673,7 +636,7 @@ declare namespace Deno {
    * of the signal stream object.
    *
    * ```ts
-   * const sig = Deno.signal(Deno.Signal.SIGTERM);
+   * const sig = Deno.signal("SIGTERM");
    * setTimeout(() => { sig.dispose(); }, 5000);
    * for await (const _ of sig) {
    *   console.log("SIGTERM!")
@@ -685,55 +648,7 @@ declare namespace Deno {
    *
    * NOTE: This functionality is not yet implemented on Windows.
    */
-  export function signal(signo: number): SignalStream;
-
-  /** **UNSTABLE**: new API, yet to be vetted. */
-  export const signals: {
-    /** Returns the stream of SIGALRM signals.
-     *
-     * This method is the shorthand for `Deno.signal(Deno.Signal.SIGALRM)`. */
-    alarm: () => SignalStream;
-    /** Returns the stream of SIGCHLD signals.
-     *
-     * This method is the shorthand for `Deno.signal(Deno.Signal.SIGCHLD)`. */
-    child: () => SignalStream;
-    /** Returns the stream of SIGHUP signals.
-     *
-     * This method is the shorthand for `Deno.signal(Deno.Signal.SIGHUP)`. */
-    hungup: () => SignalStream;
-    /** Returns the stream of SIGINT signals.
-     *
-     * This method is the shorthand for `Deno.signal(Deno.Signal.SIGINT)`. */
-    interrupt: () => SignalStream;
-    /** Returns the stream of SIGIO signals.
-     *
-     * This method is the shorthand for `Deno.signal(Deno.Signal.SIGIO)`. */
-    io: () => SignalStream;
-    /** Returns the stream of SIGPIPE signals.
-     *
-     * This method is the shorthand for `Deno.signal(Deno.Signal.SIGPIPE)`. */
-    pipe: () => SignalStream;
-    /** Returns the stream of SIGQUIT signals.
-     *
-     * This method is the shorthand for `Deno.signal(Deno.Signal.SIGQUIT)`. */
-    quit: () => SignalStream;
-    /** Returns the stream of SIGTERM signals.
-     *
-     * This method is the shorthand for `Deno.signal(Deno.Signal.SIGTERM)`. */
-    terminate: () => SignalStream;
-    /** Returns the stream of SIGUSR1 signals.
-     *
-     * This method is the shorthand for `Deno.signal(Deno.Signal.SIGUSR1)`. */
-    userDefined1: () => SignalStream;
-    /** Returns the stream of SIGUSR2 signals.
-     *
-     * This method is the shorthand for `Deno.signal(Deno.Signal.SIGUSR2)`. */
-    userDefined2: () => SignalStream;
-    /** Returns the stream of SIGWINCH signals.
-     *
-     * This method is the shorthand for `Deno.signal(Deno.Signal.SIGWINCH)`. */
-    windowChange: () => SignalStream;
-  };
+  export function signal(sig: Signal): SignalStream;
 
   export type SetRawOptions = {
     cbreak: boolean;
@@ -803,11 +718,8 @@ declare namespace Deno {
     },
   >(opt: T): Process<T>;
 
-  /** **UNSTABLE**: The `signo` argument may change to require the Deno.Signal
-   * enum.
-   *
-   * Send a signal to process under given `pid`. This functionality currently
-   * only works on Linux and Mac OS.
+  /** **UNSTABLE**: Send a signal to process under given `pid`. This
+   * functionality only works on Linux and Mac OS.
    *
    * If `pid` is negative, the signal will be sent to the process group
    * identified by `pid`.
@@ -816,10 +728,10 @@ declare namespace Deno {
    *        cmd: ["sleep", "10000"]
    *      });
    *
-   *      Deno.kill(p.pid, Deno.Signal.SIGINT);
+   *      Deno.kill(p.pid, "SIGINT");
    *
    * Requires `allow-run` permission. */
-  export function kill(pid: number, signo: number): void;
+  export function kill(pid: number, signo: Signal): void;
 
   /**  **UNSTABLE**: New API, yet to be vetted.  Additional consideration is still
    * necessary around the permissions required.
diff --git a/cli/tests/testdata/raw_mode_cbreak.ts b/cli/tests/testdata/raw_mode_cbreak.ts
index b1c6d324b..c66c36f0d 100644
--- a/cli/tests/testdata/raw_mode_cbreak.ts
+++ b/cli/tests/testdata/raw_mode_cbreak.ts
@@ -1,7 +1,7 @@
 Deno.setRaw(0, true);
 Deno.setRaw(0, true, { cbreak: true }); // Can be called multiple times
 
-const signal = Deno.signals.interrupt();
+const signal = Deno.signal("SIGINT");
 
 Deno.stdout.writeSync(new TextEncoder().encode("S"));
 
diff --git a/cli/tests/unit/process_test.ts b/cli/tests/unit/process_test.ts
index 2d0a15b16..73df3fa91 100644
--- a/cli/tests/unit/process_test.ts
+++ b/cli/tests/unit/process_test.ts
@@ -120,7 +120,12 @@ unitTest(
   },
   async function runCommandFailedWithSignal() {
     const p = Deno.run({
-      cmd: [Deno.execPath(), "eval", "--unstable", "Deno.kill(Deno.pid, 9)"],
+      cmd: [
+        Deno.execPath(),
+        "eval",
+        "--unstable",
+        "Deno.kill(Deno.pid, 'SIGKILL')",
+      ],
     });
     const status = await p.status();
     assertEquals(status.success, false);
@@ -436,7 +441,7 @@ unitTest(
 
     let error = null;
     try {
-      p.kill(Deno.Signal.SIGTERM);
+      p.kill("SIGTERM");
     } catch (e) {
       error = e;
     }
@@ -454,21 +459,13 @@ unitTest(
   },
 );
 
-unitTest(function signalNumbers() {
-  if (Deno.build.os === "darwin") {
-    assertEquals(Deno.Signal.SIGSTOP, 17);
-  } else if (Deno.build.os === "linux") {
-    assertEquals(Deno.Signal.SIGSTOP, 19);
-  }
-});
-
 unitTest(function killPermissions() {
   assertThrows(() => {
     // Unlike the other test cases, we don't have permission to spawn a
     // subprocess we can safely kill. Instead we send SIGCONT to the current
     // process - assuming that Deno does not have a special handler set for it
     // and will just continue even if a signal is erroneously sent.
-    Deno.kill(Deno.pid, Deno.Signal.SIGCONT);
+    Deno.kill(Deno.pid, "SIGCONT");
   }, Deno.errors.PermissionDenied);
 });
 
@@ -479,19 +476,17 @@ unitTest(
       cmd: [Deno.execPath(), "eval", "setTimeout(() => {}, 10000)"],
     });
 
-    assertEquals(Deno.Signal.SIGINT, 2);
-    Deno.kill(p.pid, Deno.Signal.SIGINT);
+    Deno.kill(p.pid, "SIGINT");
     const status = await p.status();
 
     assertEquals(status.success, false);
     try {
-      assertEquals(status.code, 128 + Deno.Signal.SIGINT);
-      assertEquals(status.signal, Deno.Signal.SIGINT);
+      assertEquals(status.signal, "SIGINT");
     } catch {
       // TODO(nayeemrmn): On Windows sometimes the following values are given
       // instead. Investigate and remove this catch when fixed.
-      assertEquals(status.code, 1);
-      assertEquals(status.signal, undefined);
+      assertEquals(status.code, 130);
+      assertEquals(status.signal, 2);
     }
     p.close();
   },
@@ -505,7 +500,8 @@ unitTest({ perms: { run: true, read: true } }, function killFailed() {
   assert(!p.stdout);
 
   assertThrows(() => {
-    Deno.kill(p.pid, 12345);
+    // @ts-expect-error testing runtime error of bad signal
+    Deno.kill(p.pid, "foobar");
   }, TypeError);
 
   p.close();
diff --git a/cli/tests/unit/signal_test.ts b/cli/tests/unit/signal_test.ts
index d0cd40950..9afa737ee 100644
--- a/cli/tests/unit/signal_test.ts
+++ b/cli/tests/unit/signal_test.ts
@@ -13,84 +13,84 @@ unitTest(
   function signalsNotImplemented() {
     assertThrows(
       () => {
-        Deno.signal(1);
+        Deno.signal("SIGINT");
       },
       Error,
       "not implemented",
     );
     assertThrows(
       () => {
-        Deno.signals.alarm(); // for SIGALRM
+        Deno.signal("SIGALRM");
       },
       Error,
       "not implemented",
     );
     assertThrows(
       () => {
-        Deno.signals.child(); // for SIGCHLD
+        Deno.signal("SIGCHLD");
       },
       Error,
       "not implemented",
     );
     assertThrows(
       () => {
-        Deno.signals.hungup(); // for SIGHUP
+        Deno.signal("SIGHUP");
       },
       Error,
       "not implemented",
     );
     assertThrows(
       () => {
-        Deno.signals.interrupt(); // for SIGINT
+        Deno.signal("SIGINT");
       },
       Error,
       "not implemented",
     );
     assertThrows(
       () => {
-        Deno.signals.io(); // for SIGIO
+        Deno.signal("SIGIO");
       },
       Error,
       "not implemented",
     );
     assertThrows(
       () => {
-        Deno.signals.pipe(); // for SIGPIPE
+        Deno.signal("SIGPIPE");
       },
       Error,
       "not implemented",
     );
     assertThrows(
       () => {
-        Deno.signals.quit(); // for SIGQUIT
+        Deno.signal("SIGQUIT");
       },
       Error,
       "not implemented",
     );
     assertThrows(
       () => {
-        Deno.signals.terminate(); // for SIGTERM
+        Deno.signal("SIGTERM");
       },
       Error,
       "not implemented",
     );
     assertThrows(
       () => {
-        Deno.signals.userDefined1(); // for SIGUSR1
+        Deno.signal("SIGUSR1");
       },
       Error,
       "not implemented",
     );
     assertThrows(
       () => {
-        Deno.signals.userDefined2(); // for SIGURS2
+        Deno.signal("SIGUSR2");
       },
       Error,
       "not implemented",
     );
     assertThrows(
       () => {
-        Deno.signals.windowChange(); // for SIGWINCH
+        Deno.signal("SIGWINCH");
       },
       Error,
       "not implemented",
@@ -106,12 +106,12 @@ unitTest(
     const t = setInterval(() => {}, 1000);
 
     let c = 0;
-    const sig = Deno.signal(Deno.Signal.SIGUSR1);
+    const sig = Deno.signal("SIGUSR1");
     setTimeout(async () => {
       await delay(20);
       for (const _ of Array(3)) {
         // Sends SIGUSR1 3 times.
-        Deno.kill(Deno.pid, Deno.Signal.SIGUSR1);
+        Deno.kill(Deno.pid, "SIGUSR1");
         await delay(20);
       }
       sig.dispose();
@@ -138,7 +138,7 @@ unitTest(
         Deno.execPath(),
         "eval",
         "--unstable",
-        "(async () => { for await (const _ of Deno.signals.io()) {} })()",
+        "(async () => { for await (const _ of Deno.signal('SIGIO')) {} })()",
       ],
     });
     const res = await p.status();
@@ -154,9 +154,9 @@ unitTest(
     // This prevents the program from exiting.
     const t = setInterval(() => {}, 1000);
 
-    const sig = Deno.signal(Deno.Signal.SIGUSR1);
+    const sig = Deno.signal("SIGUSR1");
     setTimeout(() => {
-      Deno.kill(Deno.pid, Deno.Signal.SIGUSR1);
+      Deno.kill(Deno.pid, "SIGUSR1");
       resolvable.resolve();
     }, 20);
     await sig;
@@ -176,7 +176,7 @@ unitTest(
     const t = setInterval(() => {}, 1000);
 
     let called = false;
-    const sig = Deno.signal(Deno.Signal.SIGUSR1);
+    const sig = Deno.signal("SIGUSR1");
     sig.then(() => {
       called = true;
     });
@@ -200,37 +200,37 @@ unitTest(
   { ignore: Deno.build.os === "windows", perms: { run: true } },
   function signalShorthandsTest() {
     let s: Deno.SignalStream;
-    s = Deno.signals.alarm(); // for SIGALRM
+    s = Deno.signal("SIGALRM");
     assert(s instanceof Deno.SignalStream);
     s.dispose();
-    s = Deno.signals.child(); // for SIGCHLD
+    s = Deno.signal("SIGCHLD");
     assert(s instanceof Deno.SignalStream);
     s.dispose();
-    s = Deno.signals.hungup(); // for SIGHUP
+    s = Deno.signal("SIGHUP");
     assert(s instanceof Deno.SignalStream);
     s.dispose();
-    s = Deno.signals.interrupt(); // for SIGINT
+    s = Deno.signal("SIGINT");
     assert(s instanceof Deno.SignalStream);
     s.dispose();
-    s = Deno.signals.io(); // for SIGIO
+    s = Deno.signal("SIGIO");
     assert(s instanceof Deno.SignalStream);
     s.dispose();
-    s = Deno.signals.pipe(); // for SIGPIPE
+    s = Deno.signal("SIGPIPE");
     assert(s instanceof Deno.SignalStream);
     s.dispose();
-    s = Deno.signals.quit(); // for SIGQUIT
+    s = Deno.signal("SIGQUIT");
     assert(s instanceof Deno.SignalStream);
     s.dispose();
-    s = Deno.signals.terminate(); // for SIGTERM
+    s = Deno.signal("SIGTERM");
     assert(s instanceof Deno.SignalStream);
     s.dispose();
-    s = Deno.signals.userDefined1(); // for SIGUSR1
+    s = Deno.signal("SIGUSR1");
     assert(s instanceof Deno.SignalStream);
     s.dispose();
-    s = Deno.signals.userDefined2(); // for SIGURS2
+    s = Deno.signal("SIGUSR2");
     assert(s instanceof Deno.SignalStream);
     s.dispose();
-    s = Deno.signals.windowChange(); // for SIGWINCH
+    s = Deno.signal("SIGWINCH");
     assert(s instanceof Deno.SignalStream);
     s.dispose();
   },
diff --git a/runtime/js/40_signals.js b/runtime/js/40_signals.js
index 67c1da313..40fe94d42 100644
--- a/runtime/js/40_signals.js
+++ b/runtime/js/40_signals.js
@@ -7,7 +7,6 @@
   const { errors } = window.__bootstrap.errors;
   const {
     Error,
-    ObjectAssign,
     Promise,
     PromisePrototypeThen,
     PromiseResolve,
@@ -26,148 +25,6 @@
     core.opSync("op_signal_unbind", rid);
   }
 
-  // From `kill -l`
-  const LinuxSignal = {
-    1: "SIGHUP",
-    2: "SIGINT",
-    3: "SIGQUIT",
-    4: "SIGILL",
-    5: "SIGTRAP",
-    6: "SIGABRT",
-    7: "SIGBUS",
-    8: "SIGFPE",
-    9: "SIGKILL",
-    10: "SIGUSR1",
-    11: "SIGSEGV",
-    12: "SIGUSR2",
-    13: "SIGPIPE",
-    14: "SIGALRM",
-    15: "SIGTERM",
-    16: "SIGSTKFLT",
-    17: "SIGCHLD",
-    18: "SIGCONT",
-    19: "SIGSTOP",
-    20: "SIGTSTP",
-    21: "SIGTTIN",
-    22: "SIGTTOU",
-    23: "SIGURG",
-    24: "SIGXCPU",
-    25: "SIGXFSZ",
-    26: "SIGVTALRM",
-    27: "SIGPROF",
-    28: "SIGWINCH",
-    29: "SIGIO",
-    30: "SIGPWR",
-    31: "SIGSYS",
-    SIGHUP: 1,
-    SIGINT: 2,
-    SIGQUIT: 3,
-    SIGILL: 4,
-    SIGTRAP: 5,
-    SIGABRT: 6,
-    SIGBUS: 7,
-    SIGFPE: 8,
-    SIGKILL: 9,
-    SIGUSR1: 10,
-    SIGSEGV: 11,
-    SIGUSR2: 12,
-    SIGPIPE: 13,
-    SIGALRM: 14,
-    SIGTERM: 15,
-    SIGSTKFLT: 16,
-    SIGCHLD: 17,
-    SIGCONT: 18,
-    SIGSTOP: 19,
-    SIGTSTP: 20,
-    SIGTTIN: 21,
-    SIGTTOU: 22,
-    SIGURG: 23,
-    SIGXCPU: 24,
-    SIGXFSZ: 25,
-    SIGVTALRM: 26,
-    SIGPROF: 27,
-    SIGWINCH: 28,
-    SIGIO: 29,
-    SIGPWR: 30,
-    SIGSYS: 31,
-  };
-
-  // From `kill -l`
-  const MacOSSignal = {
-    1: "SIGHUP",
-    2: "SIGINT",
-    3: "SIGQUIT",
-    4: "SIGILL",
-    5: "SIGTRAP",
-    6: "SIGABRT",
-    7: "SIGEMT",
-    8: "SIGFPE",
-    9: "SIGKILL",
-    10: "SIGBUS",
-    11: "SIGSEGV",
-    12: "SIGSYS",
-    13: "SIGPIPE",
-    14: "SIGALRM",
-    15: "SIGTERM",
-    16: "SIGURG",
-    17: "SIGSTOP",
-    18: "SIGTSTP",
-    19: "SIGCONT",
-    20: "SIGCHLD",
-    21: "SIGTTIN",
-    22: "SIGTTOU",
-    23: "SIGIO",
-    24: "SIGXCPU",
-    25: "SIGXFSZ",
-    26: "SIGVTALRM",
-    27: "SIGPROF",
-    28: "SIGWINCH",
-    29: "SIGINFO",
-    30: "SIGUSR1",
-    31: "SIGUSR2",
-    SIGHUP: 1,
-    SIGINT: 2,
-    SIGQUIT: 3,
-    SIGILL: 4,
-    SIGTRAP: 5,
-    SIGABRT: 6,
-    SIGEMT: 7,
-    SIGFPE: 8,
-    SIGKILL: 9,
-    SIGBUS: 10,
-    SIGSEGV: 11,
-    SIGSYS: 12,
-    SIGPIPE: 13,
-    SIGALRM: 14,
-    SIGTERM: 15,
-    SIGURG: 16,
-    SIGSTOP: 17,
-    SIGTSTP: 18,
-    SIGCONT: 19,
-    SIGCHLD: 20,
-    SIGTTIN: 21,
-    SIGTTOU: 22,
-    SIGIO: 23,
-    SIGXCPU: 24,
-    SIGXFSZ: 25,
-    SIGVTALRM: 26,
-    SIGPROF: 27,
-    SIGWINCH: 28,
-    SIGINFO: 29,
-    SIGUSR1: 30,
-    SIGUSR2: 31,
-  };
-
-  const Signal = {};
-
-  function setSignals() {
-    if (build.os === "darwin") {
-      ObjectAssign(Signal, MacOSSignal);
-    } else {
-      ObjectAssign(Signal, LinuxSignal);
-    }
-  }
-
   function signal(signo) {
     if (build.os === "windows") {
       throw new Error("not implemented!");
@@ -175,42 +32,6 @@
     return new SignalStream(signo);
   }
 
-  const signals = {
-    alarm() {
-      return signal(Signal.SIGALRM);
-    },
-    child() {
-      return signal(Signal.SIGCHLD);
-    },
-    hungup() {
-      return signal(Signal.SIGHUP);
-    },
-    interrupt() {
-      return signal(Signal.SIGINT);
-    },
-    io() {
-      return signal(Signal.SIGIO);
-    },
-    pipe() {
-      return signal(Signal.SIGPIPE);
-    },
-    quit() {
-      return signal(Signal.SIGQUIT);
-    },
-    terminate() {
-      return signal(Signal.SIGTERM);
-    },
-    userDefined1() {
-      return signal(Signal.SIGUSR1);
-    },
-    userDefined2() {
-      return signal(Signal.SIGUSR2);
-    },
-    windowChange() {
-      return signal(Signal.SIGWINCH);
-    },
-  };
-
   class SignalStream {
     #disposed = false;
     #pollingPromise = PromiseResolve(false);
@@ -275,9 +96,6 @@
 
   window.__bootstrap.signals = {
     signal,
-    signals,
-    Signal,
     SignalStream,
-    setSignals,
   };
 })(this);
diff --git a/runtime/js/90_deno_ns.js b/runtime/js/90_deno_ns.js
index 71c8bd0f0..8f1fe89f5 100644
--- a/runtime/js/90_deno_ns.js
+++ b/runtime/js/90_deno_ns.js
@@ -106,7 +106,6 @@
 
   __bootstrap.denoNsUnstable = {
     signal: __bootstrap.signals.signal,
-    signals: __bootstrap.signals.signals,
     Signal: __bootstrap.signals.Signal,
     SignalStream: __bootstrap.signals.SignalStream,
     emit: __bootstrap.compilerApi.emit,
diff --git a/runtime/js/99_main.js b/runtime/js/99_main.js
index c9dd611da..59b3a428f 100644
--- a/runtime/js/99_main.js
+++ b/runtime/js/99_main.js
@@ -37,7 +37,6 @@ delete Object.prototype.__proto__;
   const encoding = window.__bootstrap.encoding;
   const Console = window.__bootstrap.console.Console;
   const worker = window.__bootstrap.worker;
-  const signals = window.__bootstrap.signals;
   const internals = window.__bootstrap.internals;
   const performance = window.__bootstrap.performance;
   const crypto = window.__bootstrap.crypto;
@@ -609,7 +608,6 @@ delete Object.prototype.__proto__;
     // `Deno` with `Deno` namespace from "./deno.ts".
     ObjectDefineProperty(globalThis, "Deno", util.readOnly(finalDenoNs));
     ObjectFreeze(globalThis.Deno.core);
-    signals.setSignals();
 
     util.log("args", args);
   }
@@ -697,7 +695,6 @@ delete Object.prototype.__proto__;
       // existing global `Deno` with `Deno` namespace from "./deno.ts".
       ObjectDefineProperty(globalThis, "Deno", util.readOnly(finalDenoNs));
       ObjectFreeze(globalThis.Deno.core);
-      signals.setSignals();
     } else {
       delete globalThis.Deno;
       util.assert(globalThis.Deno === undefined);
diff --git a/runtime/ops/process.rs b/runtime/ops/process.rs
index 44ead73da..b1d5e80ca 100644
--- a/runtime/ops/process.rs
+++ b/runtime/ops/process.rs
@@ -198,7 +198,7 @@ fn op_run(
 
 #[derive(Serialize)]
 #[serde(rename_all = "camelCase")]
-struct RunStatus {
+struct ProcessStatus {
   got_signal: bool,
   exit_code: i32,
   exit_signal: i32,
@@ -208,7 +208,7 @@ async fn op_run_status(
   state: Rc<RefCell<OpState>>,
   rid: ResourceId,
   _: (),
-) -> Result<RunStatus, AnyError> {
+) -> Result<ProcessStatus, AnyError> {
   let resource = state
     .borrow_mut()
     .resource_table
@@ -227,7 +227,7 @@ async fn op_run_status(
     .expect("Should have either an exit code or a signal.");
   let got_signal = signal.is_some();
 
-  Ok(RunStatus {
+  Ok(ProcessStatus {
     got_signal,
     exit_code: code.unwrap_or(-1),
     exit_signal: signal.unwrap_or(-1),
@@ -288,13 +288,14 @@ pub fn kill(pid: i32, signal: i32) -> Result<(), AnyError> {
 #[derive(Deserialize)]
 struct KillArgs {
   pid: i32,
-  signo: i32,
+  signo: String,
 }
 
 fn op_kill(state: &mut OpState, args: KillArgs, _: ()) -> Result<(), AnyError> {
   super::check_unstable(state, "Deno.kill");
   state.borrow_mut::<Permissions>().run.check_all()?;
 
-  kill(args.pid, args.signo)?;
+  let signo = super::signal::signal_str_to_int_unwrap(&args.signo)?;
+  kill(args.pid, signo)?;
   Ok(())
 }
diff --git a/runtime/ops/signal.rs b/runtime/ops/signal.rs
index 889021706..eea8161cd 100644
--- a/runtime/ops/signal.rs
+++ b/runtime/ops/signal.rs
@@ -1,4 +1,5 @@
 // Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
+use deno_core::error::type_error;
 use deno_core::error::AnyError;
 use deno_core::op_async_unref;
 use deno_core::op_sync;
@@ -53,15 +54,102 @@ impl Resource for SignalStreamResource {
   }
 }
 
+#[cfg(target_os = "linux")]
+fn signal_str_to_int(s: &str) -> Option<libc::c_int> {
+  match s {
+    "SIGHUP" => Some(1),
+    "SIGINT" => Some(2),
+    "SIGQUIT" => Some(3),
+    "SIGILL" => Some(4),
+    "SIGTRAP" => Some(5),
+    "SIGABRT" => Some(6),
+    "SIGBUS" => Some(7),
+    "SIGFPE" => Some(8),
+    "SIGKILL" => Some(9),
+    "SIGUSR1" => Some(10),
+    "SIGSEGV" => Some(11),
+    "SIGUSR2" => Some(12),
+    "SIGPIPE" => Some(13),
+    "SIGALRM" => Some(14),
+    "SIGTERM" => Some(15),
+    "SIGSTKFLT" => Some(16),
+    "SIGCHLD" => Some(17),
+    "SIGCONT" => Some(18),
+    "SIGSTOP" => Some(19),
+    "SIGTSTP" => Some(20),
+    "SIGTTIN" => Some(21),
+    "SIGTTOU" => Some(22),
+    "SIGURG" => Some(23),
+    "SIGXCPU" => Some(24),
+    "SIGXFSZ" => Some(25),
+    "SIGVTALRM" => Some(26),
+    "SIGPROF" => Some(27),
+    "SIGWINCH" => Some(28),
+    "SIGIO" => Some(29),
+    "SIGPWR" => Some(30),
+    "SIGSYS" => Some(31),
+    _ => None,
+  }
+}
+
+#[cfg(target_os = "macos")]
+fn signal_str_to_int(s: &str) -> Option<libc::c_int> {
+  match s {
+    "SIGHUP" => Some(1),
+    "SIGINT" => Some(2),
+    "SIGQUIT" => Some(3),
+    "SIGILL" => Some(4),
+    "SIGTRAP" => Some(5),
+    "SIGABRT" => Some(6),
+    "SIGEMT" => Some(7),
+    "SIGFPE" => Some(8),
+    "SIGKILL" => Some(9),
+    "SIGBUS" => Some(10),
+    "SIGSEGV" => Some(11),
+    "SIGSYS" => Some(12),
+    "SIGPIPE" => Some(13),
+    "SIGALRM" => Some(14),
+    "SIGTERM" => Some(15),
+    "SIGURG" => Some(16),
+    "SIGSTOP" => Some(17),
+    "SIGTSTP" => Some(18),
+    "SIGCONT" => Some(19),
+    "SIGCHLD" => Some(20),
+    "SIGTTIN" => Some(21),
+    "SIGTTOU" => Some(22),
+    "SIGIO" => Some(23),
+    "SIGXCPU" => Some(24),
+    "SIGXFSZ" => Some(25),
+    "SIGVTALRM" => Some(26),
+    "SIGPROF" => Some(27),
+    "SIGWINCH" => Some(28),
+    "SIGINFO" => Some(29),
+    "SIGUSR1" => Some(30),
+    "SIGUSR2" => Some(31),
+    _ => None,
+  }
+}
+
+#[cfg(target_os = "windows")]
+fn signal_str_to_int(s: &str) -> Option<libc::c_int> {
+  unimplemented!()
+}
+
+pub fn signal_str_to_int_unwrap(s: &str) -> Result<libc::c_int, AnyError> {
+  signal_str_to_int(s)
+    .ok_or_else(|| type_error(format!("Invalid signal : {}", s)))
+}
+
 #[cfg(unix)]
 fn op_signal_bind(
   state: &mut OpState,
-  signo: i32,
+  sig: String,
   _: (),
 ) -> Result<ResourceId, AnyError> {
   super::check_unstable(state, "Deno.signal");
+  let signo = signal_str_to_int_unwrap(&sig)?;
   let resource = SignalStreamResource {
-    signal: AsyncRefCell::new(signal(SignalKind::from_raw(signo)).expect("")),
+    signal: AsyncRefCell::new(signal(SignalKind::from_raw(signo)).unwrap()),
     cancel: Default::default(),
   };
   let rid = state.resource_table.add(resource);
diff --git a/tools/wpt/runner.ts b/tools/wpt/runner.ts
index 27b94da1f..4f4389fd3 100644
--- a/tools/wpt/runner.ts
+++ b/tools/wpt/runner.ts
@@ -31,7 +31,7 @@ export async function runWithTestUtil<T>(
     }
     const passedTime = performance.now() - start;
     if (passedTime > 15000) {
-      proc.kill(2);
+      proc.kill("SIGINT");
       await proc.status();
       proc.close();
       throw new Error("Timed out while trying to start wpt test util.");
@@ -44,7 +44,7 @@ export async function runWithTestUtil<T>(
     return await f();
   } finally {
     if (verbose) console.log("Killing wpt test util.");
-    proc.kill(2);
+    proc.kill("SIGINT");
     await proc.status();
     proc.close();
   }