[flang-commits] [flang] [flang] Fix execute_command_line cmdstat is not set when error occurs (PR #93023)

Yi Wu via flang-commits flang-commits at lists.llvm.org
Fri May 31 02:46:12 PDT 2024


https://github.com/yi-wu-arm updated https://github.com/llvm/llvm-project/pull/93023

>From 006cefc035030fe80dc55030d931cde1c78ac448 Mon Sep 17 00:00:00 2001
From: YI WU <YI.WU2 at arm.com>
Date: Wed, 22 May 2024 12:06:24 +0100
Subject: [PATCH 1/8] [flang] Fix execute_command_line cmdstat is not set when
 error occurs

Fixes: https://github.com/llvm/llvm-project/issues/92929
---
 flang/docs/Intrinsics.md  |  2 --
 flang/runtime/execute.cpp | 14 ++++++++------
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/flang/docs/Intrinsics.md b/flang/docs/Intrinsics.md
index 41129b10083b1..7fa718626217b 100644
--- a/flang/docs/Intrinsics.md
+++ b/flang/docs/Intrinsics.md
@@ -899,8 +899,6 @@ used in constant expressions have currently no folding support at all.
     - 1: Fork Error (occurs only on POSIX-compatible systems).
     - 2: Execution Error (command exits with status -1).
     - 3: Invalid Command Error (determined by the exit code depending on the system).
-      - On Windows: exit code is 1.
-      - On POSIX-compatible systems: exit code is 127 or 126.
     - 4: Signal error (either stopped or killed by signal, occurs only on POSIX-compatible systems).
   - 0: Otherwise.
 - Asynchronous execution:
diff --git a/flang/runtime/execute.cpp b/flang/runtime/execute.cpp
index 0f5bc5059e21d..b9543e6582bae 100644
--- a/flang/runtime/execute.cpp
+++ b/flang/runtime/execute.cpp
@@ -72,14 +72,14 @@ int TerminationCheck(int status, const Descriptor *cmdstat,
       CheckAndCopyCharsToDescriptor(cmdmsg, "Execution error");
     }
   }
+
 #ifdef _WIN32
   // On WIN32 API std::system returns exit status directly
   int exitStatusVal{status};
-  if (exitStatusVal == 1) {
 #else
   int exitStatusVal{WEXITSTATUS(status)};
-  if (exitStatusVal == 127 || exitStatusVal == 126) {
 #endif
+  if (exitStatusVal != 0) {
     if (!cmdstat) {
       terminator.Crash(
           "Invalid command quit with exit status code: %d", exitStatusVal);
@@ -88,23 +88,25 @@ int TerminationCheck(int status, const Descriptor *cmdstat,
       CheckAndCopyCharsToDescriptor(cmdmsg, "Invalid command line");
     }
   }
+
 #if defined(WIFSIGNALED) && defined(WTERMSIG)
   if (WIFSIGNALED(status)) {
     if (!cmdstat) {
-      terminator.Crash("killed by signal: %d", WTERMSIG(status));
+      terminator.Crash("Killed by signal: %d", WTERMSIG(status));
     } else {
       StoreIntToDescriptor(cmdstat, SIGNAL_ERR, terminator);
-      CheckAndCopyCharsToDescriptor(cmdmsg, "killed by signal");
+      CheckAndCopyCharsToDescriptor(cmdmsg, "Killed by signal");
     }
   }
 #endif
+
 #if defined(WIFSTOPPED) && defined(WSTOPSIG)
   if (WIFSTOPPED(status)) {
     if (!cmdstat) {
-      terminator.Crash("stopped by signal: %d", WSTOPSIG(status));
+      terminator.Crash("Stopped by signal: %d", WSTOPSIG(status));
     } else {
       StoreIntToDescriptor(cmdstat, SIGNAL_ERR, terminator);
-      CheckAndCopyCharsToDescriptor(cmdmsg, "stopped by signal");
+      CheckAndCopyCharsToDescriptor(cmdmsg, "Stopped by signal");
     }
   }
 #endif

>From 4e2799deb1017ee3d5a0070d6c85b2ca991eef62 Mon Sep 17 00:00:00 2001
From: YI WU <YI.WU2 at arm.com>
Date: Tue, 28 May 2024 10:11:40 +0100
Subject: [PATCH 2/8] cmdstat will set to 3 when error then set to specific
 value

---
 flang/runtime/execute.cpp | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/flang/runtime/execute.cpp b/flang/runtime/execute.cpp
index b9543e6582bae..b430137e7f143 100644
--- a/flang/runtime/execute.cpp
+++ b/flang/runtime/execute.cpp
@@ -64,15 +64,6 @@ void CheckAndStoreIntToDescriptor(
 // the CMDSTAT variable is not present, error termination is initiated.
 int TerminationCheck(int status, const Descriptor *cmdstat,
     const Descriptor *cmdmsg, Terminator &terminator) {
-  if (status == -1) {
-    if (!cmdstat) {
-      terminator.Crash("Execution error with system status code: %d", status);
-    } else {
-      StoreIntToDescriptor(cmdstat, EXECL_ERR, terminator);
-      CheckAndCopyCharsToDescriptor(cmdmsg, "Execution error");
-    }
-  }
-
 #ifdef _WIN32
   // On WIN32 API std::system returns exit status directly
   int exitStatusVal{status};
@@ -88,6 +79,14 @@ int TerminationCheck(int status, const Descriptor *cmdstat,
       CheckAndCopyCharsToDescriptor(cmdmsg, "Invalid command line");
     }
   }
+  if (status == -1) {
+    if (!cmdstat) {
+      terminator.Crash("Execution error with system status code: %d", status);
+    } else {
+      StoreIntToDescriptor(cmdstat, EXECL_ERR, terminator);
+      CheckAndCopyCharsToDescriptor(cmdmsg, "Execution error");
+    }
+  }
 
 #if defined(WIFSIGNALED) && defined(WTERMSIG)
   if (WIFSIGNALED(status)) {

>From 3b285a1024f3115a6af6da1b0d7d637548a0bf1c Mon Sep 17 00:00:00 2001
From: YI WU <YI.WU2 at arm.com>
Date: Tue, 28 May 2024 20:00:10 +0100
Subject: [PATCH 3/8] slightly more detailed cmdmsg

---
 flang/runtime/execute.cpp               | 3 ++-
 flang/unittests/Runtime/CommandTest.cpp | 6 ++++--
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/flang/runtime/execute.cpp b/flang/runtime/execute.cpp
index b430137e7f143..c937a688a3bb1 100644
--- a/flang/runtime/execute.cpp
+++ b/flang/runtime/execute.cpp
@@ -76,7 +76,8 @@ int TerminationCheck(int status, const Descriptor *cmdstat,
           "Invalid command quit with exit status code: %d", exitStatusVal);
     } else {
       StoreIntToDescriptor(cmdstat, INVALID_CL_ERR, terminator);
-      CheckAndCopyCharsToDescriptor(cmdmsg, "Invalid command line");
+      CheckAndCopyCharsToDescriptor(cmdmsg,
+          "Invalid command line: check for exitstat and console printout");
     }
   }
   if (status == -1) {
diff --git a/flang/unittests/Runtime/CommandTest.cpp b/flang/unittests/Runtime/CommandTest.cpp
index 08daa4ba37f26..591911d1df2c7 100644
--- a/flang/unittests/Runtime/CommandTest.cpp
+++ b/flang/unittests/Runtime/CommandTest.cpp
@@ -344,7 +344,8 @@ TEST_F(ZeroArguments, ECLInvalidCommandErrorSync) {
   bool wait{true};
   OwningPtr<Descriptor> exitStat{IntDescriptor(404)};
   OwningPtr<Descriptor> cmdStat{IntDescriptor(202)};
-  OwningPtr<Descriptor> cmdMsg{CharDescriptor("Message ChangedXXXXXXXXX")};
+  OwningPtr<Descriptor> cmdMsg{CharDescriptor(
+      "cmdmsg will not modify the remaining buffer XXXXXXXXXXXXXXXXXXXXX")};
 
   RTNAME(ExecuteCommandLine)
   (*command.get(), wait, exitStat.get(), cmdStat.get(), cmdMsg.get());
@@ -354,7 +355,8 @@ TEST_F(ZeroArguments, ECLInvalidCommandErrorSync) {
   CheckDescriptorEqInt<std::int64_t>(exitStat.get(), 127);
 #endif
   CheckDescriptorEqInt<std::int64_t>(cmdStat.get(), 3);
-  CheckDescriptorEqStr(cmdMsg.get(), "Invalid command lineXXXX");
+  CheckDescriptorEqStr(cmdMsg.get(),
+      "Invalid command line: check for exitstat and console printoutXXXX");
 }
 
 TEST_F(ZeroArguments, ECLInvalidCommandTerminatedSync) {

>From 7c8b5e8c44c3f6afadb0e947d66bbc7820c49439 Mon Sep 17 00:00:00 2001
From: YI WU <YI.WU2 at arm.com>
Date: Thu, 30 May 2024 14:23:59 +0100
Subject: [PATCH 4/8] Revert "slightly more detailed cmdmsg"

This reverts commit 3b285a1024f3115a6af6da1b0d7d637548a0bf1c.
---
 flang/runtime/execute.cpp               | 3 +--
 flang/unittests/Runtime/CommandTest.cpp | 6 ++----
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/flang/runtime/execute.cpp b/flang/runtime/execute.cpp
index c937a688a3bb1..b430137e7f143 100644
--- a/flang/runtime/execute.cpp
+++ b/flang/runtime/execute.cpp
@@ -76,8 +76,7 @@ int TerminationCheck(int status, const Descriptor *cmdstat,
           "Invalid command quit with exit status code: %d", exitStatusVal);
     } else {
       StoreIntToDescriptor(cmdstat, INVALID_CL_ERR, terminator);
-      CheckAndCopyCharsToDescriptor(cmdmsg,
-          "Invalid command line: check for exitstat and console printout");
+      CheckAndCopyCharsToDescriptor(cmdmsg, "Invalid command line");
     }
   }
   if (status == -1) {
diff --git a/flang/unittests/Runtime/CommandTest.cpp b/flang/unittests/Runtime/CommandTest.cpp
index 591911d1df2c7..08daa4ba37f26 100644
--- a/flang/unittests/Runtime/CommandTest.cpp
+++ b/flang/unittests/Runtime/CommandTest.cpp
@@ -344,8 +344,7 @@ TEST_F(ZeroArguments, ECLInvalidCommandErrorSync) {
   bool wait{true};
   OwningPtr<Descriptor> exitStat{IntDescriptor(404)};
   OwningPtr<Descriptor> cmdStat{IntDescriptor(202)};
-  OwningPtr<Descriptor> cmdMsg{CharDescriptor(
-      "cmdmsg will not modify the remaining buffer XXXXXXXXXXXXXXXXXXXXX")};
+  OwningPtr<Descriptor> cmdMsg{CharDescriptor("Message ChangedXXXXXXXXX")};
 
   RTNAME(ExecuteCommandLine)
   (*command.get(), wait, exitStat.get(), cmdStat.get(), cmdMsg.get());
@@ -355,8 +354,7 @@ TEST_F(ZeroArguments, ECLInvalidCommandErrorSync) {
   CheckDescriptorEqInt<std::int64_t>(exitStat.get(), 127);
 #endif
   CheckDescriptorEqInt<std::int64_t>(cmdStat.get(), 3);
-  CheckDescriptorEqStr(cmdMsg.get(),
-      "Invalid command line: check for exitstat and console printoutXXXX");
+  CheckDescriptorEqStr(cmdMsg.get(), "Invalid command lineXXXX");
 }
 
 TEST_F(ZeroArguments, ECLInvalidCommandTerminatedSync) {

>From cde8a346dca02effc4ccb691a77413c18862ca81 Mon Sep 17 00:00:00 2001
From: YI WU <YI.WU2 at arm.com>
Date: Thu, 30 May 2024 14:32:15 +0100
Subject: [PATCH 5/8] add cmdmsg to common exit code 1, 126, 127 for Linux

for Windows, all three of them has a exit code of 1
so can't write cmdmsg for them
---
 flang/runtime/execute.cpp               | 31 +++++++++++++++
 flang/unittests/Runtime/CommandTest.cpp | 50 +++++++++++++++++++++++--
 2 files changed, 77 insertions(+), 4 deletions(-)

diff --git a/flang/runtime/execute.cpp b/flang/runtime/execute.cpp
index b430137e7f143..fe85971052a1e 100644
--- a/flang/runtime/execute.cpp
+++ b/flang/runtime/execute.cpp
@@ -79,6 +79,37 @@ int TerminationCheck(int status, const Descriptor *cmdstat,
       CheckAndCopyCharsToDescriptor(cmdmsg, "Invalid command line");
     }
   }
+
+#ifndef _WIN32
+  if (exitStatusVal == 1) {
+    if (!cmdstat) {
+      terminator.Crash("General Error with exit status code: 1");
+    } else {
+      StoreIntToDescriptor(cmdstat, INVALID_CL_ERR, terminator);
+      CheckAndCopyCharsToDescriptor(cmdmsg,
+          "General Error: a catch-all exit code for a variety of general "
+          "errors.");
+    }
+  } else if (exitStatusVal == 126) {
+    if (!cmdstat) {
+      terminator.Crash("Command cannot execute with exit status code: 126");
+    } else {
+      StoreIntToDescriptor(cmdstat, INVALID_CL_ERR, terminator);
+      CheckAndCopyCharsToDescriptor(cmdmsg,
+          "Command cannot execute: command was found, but it could not be "
+          "executed.");
+    }
+  } else if (exitStatusVal == 127) {
+    if (!cmdstat) {
+      terminator.Crash("Command not found with exit status code: 127");
+    } else {
+      StoreIntToDescriptor(cmdstat, INVALID_CL_ERR, terminator);
+      CheckAndCopyCharsToDescriptor(cmdmsg,
+          "Command not found: command was not found in the system's PATH");
+    }
+  }
+#endif
+
   if (status == -1) {
     if (!cmdstat) {
       terminator.Crash("Execution error with system status code: %d", status);
diff --git a/flang/unittests/Runtime/CommandTest.cpp b/flang/unittests/Runtime/CommandTest.cpp
index 08daa4ba37f26..25a878039ff0f 100644
--- a/flang/unittests/Runtime/CommandTest.cpp
+++ b/flang/unittests/Runtime/CommandTest.cpp
@@ -339,22 +339,64 @@ TEST_F(ZeroArguments, ECLValidCommandStatusSetSync) {
   CheckDescriptorEqStr(cmdMsg.get(), "No change");
 }
 
-TEST_F(ZeroArguments, ECLInvalidCommandErrorSync) {
-  OwningPtr<Descriptor> command{CharDescriptor("InvalidCommand")};
+TEST_F(ZeroArguments, ECLGeneralErrorCommandErrorSync) {
+  OwningPtr<Descriptor> command{CharDescriptor("cat general-error")};
+  bool wait{true};
+  OwningPtr<Descriptor> exitStat{IntDescriptor(404)};
+  OwningPtr<Descriptor> cmdStat{IntDescriptor(202)};
+  OwningPtr<Descriptor> cmdMsg{CharDescriptor("cmd msg buffer XXXXXXXX")};
+
+  RTNAME(ExecuteCommandLine)
+  (*command.get(), wait, exitStat.get(), cmdStat.get(), cmdMsg.get());
+#ifdef _WIN32
+  CheckDescriptorEqInt(exitStat.get(), 1);
+  CheckDescriptorEqStr(cmdMsg.get(), "Invalid command lineXXX");
+#else
+  CheckDescriptorEqInt<std::int64_t>(exitStat.get(), 1);
+  CheckDescriptorEqStr(cmdMsg.get(), "General Error: a catch-");
+#endif
+  CheckDescriptorEqInt<std::int64_t>(cmdStat.get(), 3);
+}
+
+TEST_F(ZeroArguments, ECLNotExecutedCommandErrorSync) {
+  OwningPtr<Descriptor> command{CharDescriptor("cd NotExecutedCommand")};
+  bool wait{true};
+  OwningPtr<Descriptor> exitStat{IntDescriptor(404)};
+  OwningPtr<Descriptor> cmdStat{IntDescriptor(202)};
+  OwningPtr<Descriptor> cmdMsg{CharDescriptor("cmd msg buffer XXXXXXXX")};
+
+  RTNAME(ExecuteCommandLine)
+  (*command.get(), wait, exitStat.get(), cmdStat.get(), cmdMsg.get());
+#ifdef _WIN32
+  CheckDescriptorEqInt(exitStat.get(), 1);
+  CheckDescriptorEqStr(cmdMsg.get(), "Invalid command lineXXX");
+#else
+  CheckDescriptorEqInt<std::int64_t>(exitStat.get(), 126);
+  CheckDescriptorEqStr(cmdMsg.get(), "Command cannot execute:");
+#endif
+  CheckDescriptorEqInt<std::int64_t>(cmdStat.get(), 3);
+}
+
+TEST_F(ZeroArguments, ECLNotFoundCommandErrorSync) {
+  OwningPtr<Descriptor> command{CharDescriptor("NotFoundCommand")};
   bool wait{true};
   OwningPtr<Descriptor> exitStat{IntDescriptor(404)};
   OwningPtr<Descriptor> cmdStat{IntDescriptor(202)};
-  OwningPtr<Descriptor> cmdMsg{CharDescriptor("Message ChangedXXXXXXXXX")};
+  OwningPtr<Descriptor> cmdMsg{CharDescriptor(
+      "cmdmsg will not modify the remaining buffer XXXXXXXXXXXXXXXXXXXX")};
 
   RTNAME(ExecuteCommandLine)
   (*command.get(), wait, exitStat.get(), cmdStat.get(), cmdMsg.get());
 #ifdef _WIN32
   CheckDescriptorEqInt(exitStat.get(), 1);
+  CheckDescriptorEqStr(cmdMsg.get(),
+      "Invalid command lineXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX");
 #else
   CheckDescriptorEqInt<std::int64_t>(exitStat.get(), 127);
+  CheckDescriptorEqStr(cmdMsg.get(),
+      "Command not found: command was not found in the system's PATHXXX");
 #endif
   CheckDescriptorEqInt<std::int64_t>(cmdStat.get(), 3);
-  CheckDescriptorEqStr(cmdMsg.get(), "Invalid command lineXXXX");
 }
 
 TEST_F(ZeroArguments, ECLInvalidCommandTerminatedSync) {

>From ebd933cab5c38af7519991eea71ac2066adf9875 Mon Sep 17 00:00:00 2001
From: YI WU <YI.WU2 at arm.com>
Date: Thu, 30 May 2024 15:18:26 +0100
Subject: [PATCH 6/8] rewrite if-else flow

---
 flang/runtime/execute.cpp               | 23 ++++++++++-------------
 flang/unittests/Runtime/CommandTest.cpp |  2 +-
 2 files changed, 11 insertions(+), 14 deletions(-)

diff --git a/flang/runtime/execute.cpp b/flang/runtime/execute.cpp
index fe85971052a1e..0718ce07a4ab7 100644
--- a/flang/runtime/execute.cpp
+++ b/flang/runtime/execute.cpp
@@ -69,18 +69,6 @@ int TerminationCheck(int status, const Descriptor *cmdstat,
   int exitStatusVal{status};
 #else
   int exitStatusVal{WEXITSTATUS(status)};
-#endif
-  if (exitStatusVal != 0) {
-    if (!cmdstat) {
-      terminator.Crash(
-          "Invalid command quit with exit status code: %d", exitStatusVal);
-    } else {
-      StoreIntToDescriptor(cmdstat, INVALID_CL_ERR, terminator);
-      CheckAndCopyCharsToDescriptor(cmdmsg, "Invalid command line");
-    }
-  }
-
-#ifndef _WIN32
   if (exitStatusVal == 1) {
     if (!cmdstat) {
       terminator.Crash("General Error with exit status code: 1");
@@ -107,8 +95,17 @@ int TerminationCheck(int status, const Descriptor *cmdstat,
       CheckAndCopyCharsToDescriptor(cmdmsg,
           "Command not found: command was not found in the system's PATH");
     }
-  }
+  } else
 #endif
+  if (exitStatusVal != 0) {
+    if (!cmdstat) {
+      terminator.Crash(
+          "Invalid command quit with exit status code: %d", exitStatusVal);
+    } else {
+      StoreIntToDescriptor(cmdstat, INVALID_CL_ERR, terminator);
+      CheckAndCopyCharsToDescriptor(cmdmsg, "Invalid command line");
+    }
+  }
 
   if (status == -1) {
     if (!cmdstat) {
diff --git a/flang/unittests/Runtime/CommandTest.cpp b/flang/unittests/Runtime/CommandTest.cpp
index 25a878039ff0f..a4518eb3c2c97 100644
--- a/flang/unittests/Runtime/CommandTest.cpp
+++ b/flang/unittests/Runtime/CommandTest.cpp
@@ -340,7 +340,7 @@ TEST_F(ZeroArguments, ECLValidCommandStatusSetSync) {
 }
 
 TEST_F(ZeroArguments, ECLGeneralErrorCommandErrorSync) {
-  OwningPtr<Descriptor> command{CharDescriptor("cat general-error")};
+  OwningPtr<Descriptor> command{CharDescriptor("cat GeneralErrorCommand")};
   bool wait{true};
   OwningPtr<Descriptor> exitStat{IntDescriptor(404)};
   OwningPtr<Descriptor> cmdStat{IntDescriptor(202)};

>From 5e51e64c591940b44a79fe0720b8d62889f61405 Mon Sep 17 00:00:00 2001
From: YI WU <YI.WU2 at arm.com>
Date: Thu, 30 May 2024 17:09:56 +0100
Subject: [PATCH 7/8] test fixes Windows

---
 flang/runtime/execute.cpp               | 14 ++++-----
 flang/unittests/Runtime/CommandTest.cpp | 42 ++++++++++++++++---------
 2 files changed, 34 insertions(+), 22 deletions(-)

diff --git a/flang/runtime/execute.cpp b/flang/runtime/execute.cpp
index 0718ce07a4ab7..cb93da6336599 100644
--- a/flang/runtime/execute.cpp
+++ b/flang/runtime/execute.cpp
@@ -62,13 +62,13 @@ void CheckAndStoreIntToDescriptor(
 
 // If a condition occurs that would assign a nonzero value to CMDSTAT but
 // the CMDSTAT variable is not present, error termination is initiated.
-int TerminationCheck(int status, const Descriptor *cmdstat,
+std::int64_t  TerminationCheck(std::int64_t status, const Descriptor *cmdstat,
     const Descriptor *cmdmsg, Terminator &terminator) {
 #ifdef _WIN32
   // On WIN32 API std::system returns exit status directly
-  int exitStatusVal{status};
+  std::int64_t exitStatusVal{status};
 #else
-  int exitStatusVal{WEXITSTATUS(status)};
+  std::int64_t exitStatusVal{WEXITSTATUS(status)};
   if (exitStatusVal == 1) {
     if (!cmdstat) {
       terminator.Crash("General Error with exit status code: 1");
@@ -163,8 +163,8 @@ void RTNAME(ExecuteCommandLine)(const Descriptor &command, bool wait,
 
   if (wait) {
     // either wait is not specified or wait is true: synchronous mode
-    int status{std::system(newCmd)};
-    int exitStatusVal{TerminationCheck(status, cmdstat, cmdmsg, terminator)};
+    std::int64_t status{std::system(newCmd)};
+    std::int64_t exitStatusVal{TerminationCheck(status, cmdstat, cmdmsg, terminator)};
     // If sync, assigned processor-dependent exit status. Otherwise unchanged
     CheckAndStoreIntToDescriptor(exitstat, exitStatusVal, terminator);
   } else {
@@ -202,7 +202,7 @@ void RTNAME(ExecuteCommandLine)(const Descriptor &command, bool wait,
         terminator.Crash(
             "CreateProcess failed with error code: %lu.", GetLastError());
       } else {
-        StoreIntToDescriptor(cmdstat, (uint32_t)GetLastError(), terminator);
+        StoreIntToDescriptor(cmdstat, (std::int64_t)GetLastError(), terminator);
         CheckAndCopyCharsToDescriptor(cmdmsg, "CreateProcess failed.");
       }
     }
@@ -230,7 +230,7 @@ void RTNAME(ExecuteCommandLine)(const Descriptor &command, bool wait,
         }
         exit(EXIT_FAILURE);
       }
-      int status{std::system(newCmd)};
+      std::int64_t status{std::system(newCmd)};
       TerminationCheck(status, cmdstat, cmdmsg, terminator);
       exit(status);
     }
diff --git a/flang/unittests/Runtime/CommandTest.cpp b/flang/unittests/Runtime/CommandTest.cpp
index a4518eb3c2c97..38060a5ba30c8 100644
--- a/flang/unittests/Runtime/CommandTest.cpp
+++ b/flang/unittests/Runtime/CommandTest.cpp
@@ -349,7 +349,7 @@ TEST_F(ZeroArguments, ECLGeneralErrorCommandErrorSync) {
   RTNAME(ExecuteCommandLine)
   (*command.get(), wait, exitStat.get(), cmdStat.get(), cmdMsg.get());
 #ifdef _WIN32
-  CheckDescriptorEqInt(exitStat.get(), 1);
+  CheckDescriptorEqInt<std::int64_t>(exitStat.get(), 1);
   CheckDescriptorEqStr(cmdMsg.get(), "Invalid command lineXXX");
 #else
   CheckDescriptorEqInt<std::int64_t>(exitStat.get(), 1);
@@ -359,7 +359,9 @@ TEST_F(ZeroArguments, ECLGeneralErrorCommandErrorSync) {
 }
 
 TEST_F(ZeroArguments, ECLNotExecutedCommandErrorSync) {
-  OwningPtr<Descriptor> command{CharDescriptor("cd NotExecutedCommand")};
+  OwningPtr<Descriptor> command{CharDescriptor(
+      "touch NotExecutedCommandFile && chmod -x NotExecutedCommandFile && "
+      "./NotExecutedCommandFile")};
   bool wait{true};
   OwningPtr<Descriptor> exitStat{IntDescriptor(404)};
   OwningPtr<Descriptor> cmdStat{IntDescriptor(202)};
@@ -368,13 +370,28 @@ TEST_F(ZeroArguments, ECLNotExecutedCommandErrorSync) {
   RTNAME(ExecuteCommandLine)
   (*command.get(), wait, exitStat.get(), cmdStat.get(), cmdMsg.get());
 #ifdef _WIN32
-  CheckDescriptorEqInt(exitStat.get(), 1);
+  CheckDescriptorEqInt<std::int64_t>(exitStat.get(), 1);
   CheckDescriptorEqStr(cmdMsg.get(), "Invalid command lineXXX");
 #else
   CheckDescriptorEqInt<std::int64_t>(exitStat.get(), 126);
   CheckDescriptorEqStr(cmdMsg.get(), "Command cannot execute:");
 #endif
   CheckDescriptorEqInt<std::int64_t>(cmdStat.get(), 3);
+
+  // removing the file should have no error on Linux, have error on Windows
+  OwningPtr<Descriptor> commandClean{CharDescriptor("rm -f NotExecutedCommandFile")};
+  OwningPtr<Descriptor> cmdMsgNoErr{CharDescriptor("No Error")};
+  RTNAME(ExecuteCommandLine)
+  (*commandClean.get(), wait, exitStat.get(), cmdStat.get(), cmdMsgNoErr.get());
+#ifdef _WIN32
+  CheckDescriptorEqInt<std::int64_t>(exitStat.get(), 1);
+  CheckDescriptorEqStr(cmdMsgNoErr.get(), "Invalid ");
+    CheckDescriptorEqInt<std::int64_t>(cmdStat.get(), 3);
+#else
+  CheckDescriptorEqInt<std::int64_t>(exitStat.get(), 0);
+  CheckDescriptorEqStr(cmdMsgNoErr.get(), "No Error");
+    CheckDescriptorEqInt<std::int64_t>(cmdStat.get(), 0);
+#endif
 }
 
 TEST_F(ZeroArguments, ECLNotFoundCommandErrorSync) {
@@ -388,9 +405,9 @@ TEST_F(ZeroArguments, ECLNotFoundCommandErrorSync) {
   RTNAME(ExecuteCommandLine)
   (*command.get(), wait, exitStat.get(), cmdStat.get(), cmdMsg.get());
 #ifdef _WIN32
-  CheckDescriptorEqInt(exitStat.get(), 1);
+  CheckDescriptorEqInt<std::int64_t>(exitStat.get(), 1);
   CheckDescriptorEqStr(cmdMsg.get(),
-      "Invalid command lineXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX");
+      "Invalid command linefy the remaining buffer XXXXXXXXXXXXXXXXXXXX");
 #else
   CheckDescriptorEqInt<std::int64_t>(exitStat.get(), 127);
   CheckDescriptorEqStr(cmdMsg.get(),
@@ -402,19 +419,17 @@ TEST_F(ZeroArguments, ECLNotFoundCommandErrorSync) {
 TEST_F(ZeroArguments, ECLInvalidCommandTerminatedSync) {
   OwningPtr<Descriptor> command{CharDescriptor("InvalidCommand")};
   bool wait{true};
-  OwningPtr<Descriptor> exitStat{IntDescriptor(404)};
   OwningPtr<Descriptor> cmdMsg{CharDescriptor("No Change")};
 
 #ifdef _WIN32
   EXPECT_DEATH(RTNAME(ExecuteCommandLine)(
-                   *command.get(), wait, exitStat.get(), nullptr, cmdMsg.get()),
+                   *command.get(), wait, nullptr, nullptr, cmdMsg.get()),
       "Invalid command quit with exit status code: 1");
 #else
   EXPECT_DEATH(RTNAME(ExecuteCommandLine)(
-                   *command.get(), wait, exitStat.get(), nullptr, cmdMsg.get()),
-      "Invalid command quit with exit status code: 127");
+                   *command.get(), wait, nullptr, nullptr, cmdMsg.get()),
+      "Command not found with exit status code: 127");
 #endif
-  CheckDescriptorEqInt(exitStat.get(), 404);
   CheckDescriptorEqStr(cmdMsg.get(), "No Change");
 }
 
@@ -428,7 +443,7 @@ TEST_F(ZeroArguments, ECLValidCommandAndExitStatNoChangeAndCMDStatusSetAsync) {
   RTNAME(ExecuteCommandLine)
   (*command.get(), wait, exitStat.get(), cmdStat.get(), cmdMsg.get());
 
-  CheckDescriptorEqInt(exitStat.get(), 404);
+  CheckDescriptorEqInt<std::int64_t>(exitStat.get(), 404);
   CheckDescriptorEqInt<std::int64_t>(cmdStat.get(), 0);
   CheckDescriptorEqStr(cmdMsg.get(), "No change");
 }
@@ -436,13 +451,10 @@ TEST_F(ZeroArguments, ECLValidCommandAndExitStatNoChangeAndCMDStatusSetAsync) {
 TEST_F(ZeroArguments, ECLInvalidCommandParentNotTerminatedAsync) {
   OwningPtr<Descriptor> command{CharDescriptor("InvalidCommand")};
   bool wait{false};
-  OwningPtr<Descriptor> exitStat{IntDescriptor(404)};
   OwningPtr<Descriptor> cmdMsg{CharDescriptor("No change")};
 
   EXPECT_NO_FATAL_FAILURE(RTNAME(ExecuteCommandLine)(
-      *command.get(), wait, exitStat.get(), nullptr, cmdMsg.get()));
-
-  CheckDescriptorEqInt(exitStat.get(), 404);
+      *command.get(), wait, nullptr, nullptr, cmdMsg.get()));
   CheckDescriptorEqStr(cmdMsg.get(), "No change");
 }
 

>From 800e5ebba00b8ddbe163443595209b2fea48c612 Mon Sep 17 00:00:00 2001
From: YI WU <YI.WU2 at arm.com>
Date: Fri, 31 May 2024 10:44:38 +0100
Subject: [PATCH 8/8] clang format

---
 flang/runtime/execute.cpp               | 5 +++--
 flang/unittests/Runtime/CommandTest.cpp | 7 ++++---
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/flang/runtime/execute.cpp b/flang/runtime/execute.cpp
index cb93da6336599..3dd135507728b 100644
--- a/flang/runtime/execute.cpp
+++ b/flang/runtime/execute.cpp
@@ -62,7 +62,7 @@ void CheckAndStoreIntToDescriptor(
 
 // If a condition occurs that would assign a nonzero value to CMDSTAT but
 // the CMDSTAT variable is not present, error termination is initiated.
-std::int64_t  TerminationCheck(std::int64_t status, const Descriptor *cmdstat,
+std::int64_t TerminationCheck(std::int64_t status, const Descriptor *cmdstat,
     const Descriptor *cmdmsg, Terminator &terminator) {
 #ifdef _WIN32
   // On WIN32 API std::system returns exit status directly
@@ -164,7 +164,8 @@ void RTNAME(ExecuteCommandLine)(const Descriptor &command, bool wait,
   if (wait) {
     // either wait is not specified or wait is true: synchronous mode
     std::int64_t status{std::system(newCmd)};
-    std::int64_t exitStatusVal{TerminationCheck(status, cmdstat, cmdmsg, terminator)};
+    std::int64_t exitStatusVal{
+        TerminationCheck(status, cmdstat, cmdmsg, terminator)};
     // If sync, assigned processor-dependent exit status. Otherwise unchanged
     CheckAndStoreIntToDescriptor(exitstat, exitStatusVal, terminator);
   } else {
diff --git a/flang/unittests/Runtime/CommandTest.cpp b/flang/unittests/Runtime/CommandTest.cpp
index 38060a5ba30c8..27dce144b8411 100644
--- a/flang/unittests/Runtime/CommandTest.cpp
+++ b/flang/unittests/Runtime/CommandTest.cpp
@@ -379,18 +379,19 @@ TEST_F(ZeroArguments, ECLNotExecutedCommandErrorSync) {
   CheckDescriptorEqInt<std::int64_t>(cmdStat.get(), 3);
 
   // removing the file should have no error on Linux, have error on Windows
-  OwningPtr<Descriptor> commandClean{CharDescriptor("rm -f NotExecutedCommandFile")};
+  OwningPtr<Descriptor> commandClean{
+      CharDescriptor("rm -f NotExecutedCommandFile")};
   OwningPtr<Descriptor> cmdMsgNoErr{CharDescriptor("No Error")};
   RTNAME(ExecuteCommandLine)
   (*commandClean.get(), wait, exitStat.get(), cmdStat.get(), cmdMsgNoErr.get());
 #ifdef _WIN32
   CheckDescriptorEqInt<std::int64_t>(exitStat.get(), 1);
   CheckDescriptorEqStr(cmdMsgNoErr.get(), "Invalid ");
-    CheckDescriptorEqInt<std::int64_t>(cmdStat.get(), 3);
+  CheckDescriptorEqInt<std::int64_t>(cmdStat.get(), 3);
 #else
   CheckDescriptorEqInt<std::int64_t>(exitStat.get(), 0);
   CheckDescriptorEqStr(cmdMsgNoErr.get(), "No Error");
-    CheckDescriptorEqInt<std::int64_t>(cmdStat.get(), 0);
+  CheckDescriptorEqInt<std::int64_t>(cmdStat.get(), 0);
 #endif
 }
 



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