minor fixes.

Author: klemens-morgenstern

doc/Jamfile.jam

@@ -32,7 +32,10 @@ doxygen reference_v1
   [ glob $(INCLUDES)/boost/process/v1/*.hpp ]
   :
   <doxygen:param>EXCLUDE_SYMBOLS=BOOST_ASIO_INITFN_RESULT_TYPE
-  <doxygen:param>PREDEFINED=BOOST_PROCESS_DOXYGEN
+  <doxygen:param>"PREDEFINED=\\
+  BOOST_PROCESS_DOXYGEN=1 \\
+  BOOST_PROCESS_V1_INLINE=
+  "
   <doxygen:param>HIDE_UNDOC_CLASSES=YES
   <doxygen:param>HIDE_UNDOC_MEMBERS=YES
   <doxygen:param>EXAMPLE_PATH=.
@@ -67,6 +70,7 @@ doxygen reference_v2
     BOOST_ASIO_DEFAULT_COMPLETION_TOKEN=DEFAULT \\ 
     BOOST_CONSTEXPR=constexpr \\
     BOOST_CXX14_CONSTEXPR=constexpr \\
+    BOOST_PROCESS_V2_INLINE= \\
     BOOST_ATTRIBUTE_NODISCARD=[[nodiscard]]
     "
   <doxygen.doxproc.id>reference_v2

include/boost/process/v2/impl/pid.ipp

@@ -216,7 +216,10 @@ pid_type parent_pid(pid_type pid, boost::system::error_code & ec)
     FILE *stat = fopen(buffer, "r");
     if (!stat)
     {
-        BOOST_PROCESS_V2_ASSIGN_LAST_ERROR(ec)
+        if (errno == ENOENT)
+            BOOST_PROCESS_V2_ASSIGN_EC(ec, ESRCH, system_category())
+        else
+            BOOST_PROCESS_V2_ASSIGN_LAST_ERROR(ec)
         return ppid;
     } 
     else
@@ -260,9 +263,9 @@ std::vector<pid_type> child_pids(pid_type pid, boost::system::error_code & ec)
     {
         pid_type ppid = parent_pid(pids[i], ec);
         if (ppid != -1 && ppid == pid)
-        {
             vec.push_back(pids[i]);
-        }
+        else if (ec.value() == ESRCH)
+           ec.clear();
     }
     return vec;
 }

test/v2/pid.cpp

@@ -29,7 +29,6 @@ BOOST_AUTO_TEST_CASE(test_pid)
 BOOST_AUTO_TEST_CASE(child_pid)
 {
     namespace bp2 = boost::process::v2;
-
     using boost::unit_test::framework::master_test_suite;
     const auto pth = bp2::filesystem::absolute(master_test_suite().argv[1]);
     std::this_thread::sleep_for(std::chrono::milliseconds(100));
@@ -48,7 +47,7 @@ BOOST_AUTO_TEST_CASE(child_pid)
     if (ec)
       BOOST_CHECK(ec == boost::system::errc::permission_denied);
     else
-      proc.wait();
+      proc.wait(ec);
 
     auto c3 = bp2::child_pids(bp2::current_pid());
     BOOST_CHECK(std::find(c3.begin(), c3.end(), proc.id()) == c3.end());

test/v2/process.cpp

@@ -129,8 +129,9 @@ BOOST_AUTO_TEST_CASE(terminate)
   bpv::process proc(ctx, pth, {"sleep", "10"});
   proc.suspend();
   proc.resume();
-  proc.terminate();
-  proc.wait();
+  boost::system::error_code ec;
+  proc.terminate(ec);
+  proc.wait(ec);
   BOOST_CHECK_NE(proc.exit_code(), 0);
 }