From cd7f6b7f0e25b5eb7b9d196adf0e9f44014e46fe Mon Sep 17 00:00:00 2001
From: Robert Schulze <robert@clickhouse.com>
Date: Tue, 14 Feb 2023 22:10:22 +0000
Subject: [PATCH] Remove qnx

---
 .../Foundation/include/Poco/FPEnvironment.h   |  2 -
 base/poco/Foundation/include/Poco/Platform.h  |  3 -
 .../poco/Foundation/include/Poco/StreamUtil.h |  3 -
 base/poco/Foundation/src/FPEnvironment.cpp    |  2 -
 base/poco/Foundation/src/Process_UNIX.cpp     | 57 -------------------
 5 files changed, 67 deletions(-)

diff --git a/base/poco/Foundation/include/Poco/FPEnvironment.h b/base/poco/Foundation/include/Poco/FPEnvironment.h
index 0cc40e21041..62f96b76730 100644
--- a/base/poco/Foundation/include/Poco/FPEnvironment.h
+++ b/base/poco/Foundation/include/Poco/FPEnvironment.h
@@ -27,8 +27,6 @@
 #    include "Poco/FPEnvironment_DEC.h"
 #elif defined(sun) || defined(__sun)
 #    include "Poco/FPEnvironment_SUN.h"
-#elif defined(__QNX__)
-#    include "Poco/FPEnvironment_QNX.h"
 #elif defined(POCO_OS_FAMILY_UNIX)
 #    include "Poco/FPEnvironment_C99.h"
 #elif defined(POCO_OS_FAMILY_WINDOWS)
diff --git a/base/poco/Foundation/include/Poco/Platform.h b/base/poco/Foundation/include/Poco/Platform.h
index 081c8474046..a0d88d096c9 100644
--- a/base/poco/Foundation/include/Poco/Platform.h
+++ b/base/poco/Foundation/include/Poco/Platform.h
@@ -86,9 +86,6 @@
 #elif defined(sun) || defined(__sun)
 #    define POCO_OS_FAMILY_UNIX 1
 #    define POCO_OS POCO_OS_SOLARIS
-#elif defined(__QNX__)
-#    define POCO_OS_FAMILY_UNIX 1
-#    define POCO_OS POCO_OS_QNX
 #elif defined(unix) || defined(__unix) || defined(__unix__)
 #    define POCO_OS_FAMILY_UNIX 1
 #    define POCO_OS POCO_OS_UNKNOWN_UNIX
diff --git a/base/poco/Foundation/include/Poco/StreamUtil.h b/base/poco/Foundation/include/Poco/StreamUtil.h
index 7668ec4555d..fa1814a0f2e 100644
--- a/base/poco/Foundation/include/Poco/StreamUtil.h
+++ b/base/poco/Foundation/include/Poco/StreamUtil.h
@@ -73,9 +73,6 @@
 
 #if !defined(POCO_IOS_INIT_HACK)
 // Microsoft Visual Studio with Dinkumware STL (but not STLport)
-#    if   defined(__QNX__) && !defined(__GLIBCPP__)
-#        define POCO_IOS_INIT_HACK 1
-#    endif
 #endif
 
 
diff --git a/base/poco/Foundation/src/FPEnvironment.cpp b/base/poco/Foundation/src/FPEnvironment.cpp
index 94a837f9cd6..70c8e68af5a 100644
--- a/base/poco/Foundation/src/FPEnvironment.cpp
+++ b/base/poco/Foundation/src/FPEnvironment.cpp
@@ -23,8 +23,6 @@
 #include "FPEnvironment_DEC.cpp"
 #elif defined(sun) || defined(__sun)
 #include "FPEnvironment_SUN.cpp"
-#elif defined(__QNX__)
-#include "FPEnvironment_QNX.cpp"
 #elif defined(POCO_OS_FAMILY_UNIX)
 #include "FPEnvironment_C99.cpp"
 #elif defined(POCO_OS_FAMILY_WINDOWS)
diff --git a/base/poco/Foundation/src/Process_UNIX.cpp b/base/poco/Foundation/src/Process_UNIX.cpp
index 4671278e1d8..c470edee65f 100644
--- a/base/poco/Foundation/src/Process_UNIX.cpp
+++ b/base/poco/Foundation/src/Process_UNIX.cpp
@@ -25,11 +25,6 @@
 #include <sys/wait.h>
 
 
-#if defined(__QNX__)
-#include <process.h>
-#include <spawn.h>
-#include <cstring>
-#endif
 
 
 namespace Poco {
@@ -90,59 +85,7 @@ void ProcessImpl::timesImpl(long& userTime, long& kernelTime)
 
 ProcessHandleImpl* ProcessImpl::launchImpl(const std::string& command, const ArgsImpl& args, const std::string& initialDirectory, Pipe* inPipe, Pipe* outPipe, Pipe* errPipe, const EnvImpl& env)
 {
-#if defined(__QNX__)
-	if (initialDirectory.empty())
-	{
-		/// use QNX's spawn system call which is more efficient than fork/exec.
-		char** argv = new char*[args.size() + 2];
-		int i = 0;
-		argv[i++] = const_cast<char*>(command.c_str());
-		for (ArgsImpl::const_iterator it = args.begin(); it != args.end(); ++it) 
-			argv[i++] = const_cast<char*>(it->c_str());
-		argv[i] = NULL;
-		struct inheritance inherit;
-		std::memset(&inherit, 0, sizeof(inherit));
-		inherit.flags = SPAWN_ALIGN_DEFAULT | SPAWN_CHECK_SCRIPT | SPAWN_SEARCH_PATH;
-		int fdmap[3];
-		fdmap[0] = inPipe  ? inPipe->readHandle()   : 0;
-		fdmap[1] = outPipe ? outPipe->writeHandle() : 1;
-		fdmap[2] = errPipe ? errPipe->writeHandle() : 2;
-	
-		char** envPtr = 0;
-		std::vector<char> envChars;
-		std::vector<char*> envPtrs;
-		if (!env.empty())
-		{
-			envChars = getEnvironmentVariablesBuffer(env);
-			envPtrs.reserve(env.size() + 1);
-			char* p = &envChars[0];
-			while (*p)
-			{
-				envPtrs.push_back(p);
-				while (*p) ++p;
-				++p;
-			}
-			envPtrs.push_back(0);
-			envPtr = &envPtrs[0];
-		}
-	
-		int pid = spawn(command.c_str(), 3, fdmap, &inherit, argv, envPtr);
-		delete [] argv;
-		if (pid == -1) 
-			throw SystemException("cannot spawn", command);
-
-		if (inPipe)  inPipe->close(Pipe::CLOSE_READ);
-		if (outPipe) outPipe->close(Pipe::CLOSE_WRITE);
-		if (errPipe) errPipe->close(Pipe::CLOSE_WRITE);
-		return new ProcessHandleImpl(pid);
-	}
-	else
-	{
-		return launchByForkExecImpl(command, args, initialDirectory, inPipe, outPipe, errPipe, env);
-	}
-#else
 	return launchByForkExecImpl(command, args, initialDirectory, inPipe, outPipe, errPipe, env);
-#endif
 }