0.15.1: the closing of the terminal is a request to end, taken over with SIGTERM and SIGINT

Co-authored-by: speak-agent <248744407+speak-agent@users.noreply.github.com>

Author: Sunrisepeak

README.md

@@ -8,7 +8,7 @@ written on the kernel's own calls.
 openkal = "0.17.0"
 
 [target.'cfg(os = "macos")'.dependencies]
-openkal-macos = "0.15.0"
+openkal-macos = "0.15.1"
 ```
 
 Its purpose is as much to test the specification as to be used. A specification

mcpp.toml

@@ -1,7 +1,7 @@
 [package]
 namespace   = "mcpplibs"
 name        = "openkal-macos"
-version     = "0.15.0"
+version     = "0.15.1"
 description = "An implementation of openkal for macOS, written on the kernel's own calls. Its purpose is as much to test the specification as to be used."
 license     = "Apache-2.0"
 

src/process.cpp

@@ -865,9 +865,10 @@ const kal_u32* kal_process_stop_requested(void) {
     int state = __atomic_load_n(&g_stop_armed, __ATOMIC_ACQUIRE);
     if (state == 0) {
         // SIGTERM is the one `kal_process_terminate' sends here; SIGINT is what
-        // an interactive stream delivers. Both are requests to end, which is the
+        // an interactive stream delivers; SIGHUP is the terminal that started
+        // the program closing (0.15.1). All are requests to end, which is the
         // whole of what this word reports.
-        const bool ok = arm_one(15) && arm_one(2);
+        const bool ok = arm_one(15) && arm_one(2) && arm_one(1);
         state = ok ? 1 : -1;
         __atomic_store_n(&g_stop_armed, state, __ATOMIC_RELEASE);
     }

tests/stop_word_and_sigpipe.cpp

@@ -23,6 +23,15 @@ void check(bool held, const char* what) {
 }
 
 int main(int argc, char** argv) {
+    if (argc > 1 && std::strcmp(argv[1], "--hang-up") == 0) {
+        const kal_u32* word = kal_process_stop_requested();
+        if (word == nullptr) return 90;
+        ::kill(::getpid(), SIGHUP);
+        for (int i = 0; i < 1000 && *word == 0; ++i) ::usleep(1000);
+        if (*word == 0) return 91;
+        kal_process_end_as_requested();
+        return 92;
+    }
     if (argc > 1 && std::strcmp(argv[1], "--end-as-requested") == 0) {
         const kal_u32* word = kal_process_stop_requested();
         if (word == nullptr) return 90;
@@ -57,6 +66,15 @@ int main(int argc, char** argv) {
     ::waitpid(child, &st, 0);
     check(WIFSIGNALED(st) && WTERMSIG(st) == SIGTERM,
           "a program that ends as requested is reported to its starter as ended by the request");
+    const pid_t hung = ::fork();
+    if (hung == 0) {
+        ::execl(self, argv[0], "--hang-up", nullptr);
+        ::_exit(93);
+    }
+    st = 0;
+    ::waitpid(hung, &st, 0);
+    check(WIFSIGNALED(st) && WTERMSIG(st) == SIGHUP,
+          "a hang-up is taken over as a request, and the program ends as it would have (0.15.1)");
 #else
     (void)word; (void)argv;
 #endif