add qnx support for instrumentation profiling only

profiler/src/HttpRequest.cpp

@@ -66,6 +66,8 @@ static const char* GetOsInfo()
     sprintf( buf, "BSD (NetBSD)" );
 #elif defined __OpenBSD__
     sprintf( buf, "BSD (OpenBSD)" );
+#elif defined __QNX__
+    sprintf( buf, "QNX" );
 #else
     sprintf( buf, "unknown" );
 #endif

public/client/TracyProfiler.cpp

@@ -45,6 +45,14 @@
 #  include <vector>
 #endif
 
+#ifdef __QNX__
+#  include <stdint.h>
+#  include <stdio.h>
+#  include <string.h>
+#  include <sys/syspage.h>
+#  include <sys/stat.h>
+#endif
+
 #include <algorithm>
 #include <assert.h>
 #include <atomic>
@@ -115,6 +123,10 @@ extern "C" typedef BOOL (WINAPI *t_GetLogicalProcessorInformationEx)( LOGICAL_PR
 #  include <mutex>
 #endif
 
+#ifdef __QNX__
+extern char* __progname;
+#endif
+
 namespace tracy
 {
 
@@ -400,6 +412,8 @@ static const char* GetProcessName()
 #elif defined __APPLE__ || defined BSD
     auto buf = getprogname();
     if( buf ) processName = buf;
+#elif defined __QNX__
+    processName = __progname;
 #endif
     return processName;
 }
@@ -437,6 +451,10 @@ static const char* GetProcessExecutablePath()
     static char buf[1024];
     readlink( "/proc/curproc/exe", buf, 1024 );
     return buf;
+#elif defined __QNX__
+    static char buf[_PC_PATH_MAX + 1];
+    _cmdname(buf);
+    return buf;
 #else
     return nullptr;
 #endif
@@ -515,6 +533,8 @@ static const char* GetHostInfo()
     ptr += sprintf( ptr, "OS: BSD (NetBSD)\n" );
 #elif defined __OpenBSD__
     ptr += sprintf( ptr, "OS: BSD (OpenBSD)\n" );
+#elif defined __QNX__
+    ptr += sprintf( ptr, "OS: QNX\n" );
 #else
     ptr += sprintf( ptr, "OS: unknown\n" );
 #endif
@@ -687,6 +707,21 @@ static const char* GetHostInfo()
     size_t sz = sizeof( memSize );
     sysctlbyname( "hw.physmem", &memSize, &sz, nullptr, 0 );
     ptr += sprintf( ptr, "RAM: %zu MB\n", memSize / 1024 / 1024 );
+#elif defined __QNX__
+    struct asinfo_entry *entries = SYSPAGE_ENTRY(asinfo);
+    size_t count = SYSPAGE_ENTRY_SIZE(asinfo) / sizeof(struct asinfo_entry);
+    char *strings = SYSPAGE_ENTRY(strings)->data;
+
+    uint64_t memSize = 0;
+    size_t i;
+    for (i = 0; i < count; i++) {
+        struct asinfo_entry *entry = &entries[i];
+        if (strcmp(strings + entry->name, "ram") == 0) {
+            memSize += entry->end - entry->start + 1;
+        }
+    }
+    memSize = memSize / 1024 / 1024;
+    ptr += sprintf( ptr, "RAM: %llu MB\n", memSize);
 #else
     ptr += sprintf( ptr, "RAM: unknown\n" );
 #endif
@@ -1677,6 +1712,10 @@ void Profiler::Worker()
     new(m_broadcast) UdpBroadcast();
 #  ifdef TRACY_ONLY_LOCALHOST
     const char* addr = "127.255.255.255";
+#  elif defined __QNX__
+    // global broadcast address of 255.255.255.255 is not well-supported by QNX,
+    // use the interface broadcast address instead, e.g. "const char* addr = 192.168.1.255;"
+#error Need to set an appropriate broadcast address for a QNX target.
 #  else
     const char* addr = "255.255.255.255";
 #  endif

public/common/TracySystem.cpp

@@ -28,6 +28,9 @@
 #  include <sys/thr.h>
 #elif defined __NetBSD__ || defined __DragonFly__
 #  include <sys/lwp.h>
+#elif defined __QNX__
+#  include <process.h>
+#  include <sys/neutrino.h>
 #endif
 
 #ifdef __MINGW32__
@@ -78,6 +81,8 @@ TRACY_API uint32_t GetThreadHandleImpl()
     return lwp_gettid();
 #elif defined __OpenBSD__
     return getthrid();
+#elif defined __QNX__
+    return (uint32_t) gettid();
 #elif defined __EMSCRIPTEN__
     // Not supported, but let it compile.
     return 0;
@@ -176,6 +181,21 @@ TRACY_API void SetThreadName( const char* name )
 #endif
         }
     }
+#elif defined __QNX__
+    {
+        const auto sz = strlen( name );
+        if( sz <= _NTO_THREAD_NAME_MAX )
+        {
+            pthread_setname_np( pthread_self(), name );
+        }
+        else
+        {
+            char buf[_NTO_THREAD_NAME_MAX + 1];
+            memcpy( buf, name, _NTO_THREAD_NAME_MAX );
+            buf[_NTO_THREAD_NAME_MAX] = '\0';
+            pthread_setname_np( pthread_self(), buf );
+        }
+    };
 #endif
 #ifdef TRACY_ENABLE
     {
@@ -255,6 +275,11 @@ TRACY_API const char* GetThreadName( uint32_t id )
    pthread_setcancelstate( cs, 0 );
 # endif
   return buf;
+#elif defined __QNX__
+    static char qnxNameBuf[_NTO_THREAD_NAME_MAX + 1] = {0};
+    if (pthread_getname_np(static_cast<int>(id), qnxNameBuf, _NTO_THREAD_NAME_MAX) == 0) {
+        return qnxNameBuf;
+    };
 #endif
 
   sprintf( buf, "%" PRIu32, id );