Merge branch 'master' into DRTVWR-486

20 files changed, 135 insertions, 251 deletions

diff --git a/indra/llcommon/llapr.h b/indra/llcommon/llapr.h
index 255b50c8d0..565d7cfb63 100644
--- a/indra/llcommon/llapr.h
+++ b/indra/llcommon/llapr.h
@@ -29,7 +29,7 @@
 #ifndef LL_LLAPR_H
 #define LL_LLAPR_H
 
-#if LL_LINUX || LL_SOLARIS
+#if LL_LINUX
 #include <sys/param.h>  // Need PATH_MAX in APR headers...
 #endif
 
diff --git a/indra/llcommon/llcoros.cpp b/indra/llcommon/llcoros.cpp
index 262929006d..23419a52a7 100644
--- a/indra/llcommon/llcoros.cpp
+++ b/indra/llcommon/llcoros.cpp
@@ -56,10 +56,6 @@
 #include "stringize.h"
 #include "llexception.h"
 
-#if LL_WINDOWS
-#include <excpt.h>
-#endif
-
 // static
 LLCoros::CoroData& LLCoros::get_CoroData(const std::string& caller)
 {
@@ -253,29 +249,13 @@ std::string LLCoros::launch(const std::string& prefix, const callable_t& callabl
 
 #if LL_WINDOWS
 
-static const U32 STATUS_MSC_EXCEPTION = 0xE06D7363; // compiler specific
-
-U32 exception_filter(U32 code, struct _EXCEPTION_POINTERS *exception_infop)
-{
-    if (code == STATUS_MSC_EXCEPTION)
-    {
-        // C++ exception, go on
-        return EXCEPTION_CONTINUE_SEARCH;
-    }
-    else
-    {
-        // handle it
-        return EXCEPTION_EXECUTE_HANDLER;
-    }
-}
-
 void LLCoros::winlevel(const callable_t& callable)
 {
     __try
     {
         callable();
     }
-    __except (exception_filter(GetExceptionCode(), GetExceptionInformation()))
+    __except (msc_exception_filter(GetExceptionCode(), GetExceptionInformation()))
     {
         // convert to C++ styled exception
         // Note: it might be better to use _se_set_translator
diff --git a/indra/llcommon/llexception.cpp b/indra/llcommon/llexception.cpp
index 5ce8958687..b584b0ff8b 100644
--- a/indra/llcommon/llexception.cpp
+++ b/indra/llcommon/llexception.cpp
@@ -24,11 +24,14 @@
 // `_GNU_SOURCE` macro or `BOOST_STACKTRACE_GNU_SOURCE_NOT_REQUIRED` if
 // _Unwind_Backtrace is available without `_GNU_SOURCE`."
 #define BOOST_STACKTRACE_GNU_SOURCE_NOT_REQUIRED
+
 #if LL_WINDOWS
 // On Windows, header-only implementation causes macro collisions -- use
 // prebuilt library
 #define BOOST_STACKTRACE_LINK
+#include <excpt.h>
 #endif // LL_WINDOWS
+
 #include <boost/stacktrace.hpp>
 // other Linden headers
 #include "llerror.h"
@@ -85,3 +88,25 @@ void annotate_exception_(boost::exception& exc)
     // Anyway, which of us is really going to examine more than 100 frames?
     exc << errinfo_stacktrace(boost::stacktrace::stacktrace(1, 100));
 }
+
+#if LL_WINDOWS
+
+// For windows SEH exception handling we sometimes need a filter that will
+// separate C++ exceptions from C SEH exceptions
+static const U32 STATUS_MSC_EXCEPTION = 0xE06D7363; // compiler specific
+
+U32 msc_exception_filter(U32 code, struct _EXCEPTION_POINTERS *exception_infop)
+{
+    if (code == STATUS_MSC_EXCEPTION)
+    {
+        // C++ exception, go on
+        return EXCEPTION_CONTINUE_SEARCH;
+    }
+    else
+    {
+        // handle it
+        return EXCEPTION_EXECUTE_HANDLER;
+    }
+}
+
+#endif //LL_WINDOWS
diff --git a/indra/llcommon/llexception.h b/indra/llcommon/llexception.h
index 422dd8810a..375bea4a57 100644
--- a/indra/llcommon/llexception.h
+++ b/indra/llcommon/llexception.h
@@ -102,4 +102,14 @@ void crash_on_unhandled_exception_(const char*, int, const char*, const std::str
      log_unhandled_exception_(__FILE__, __LINE__, BOOST_CURRENT_FUNCTION, CONTEXT)
 void log_unhandled_exception_(const char*, int, const char*, const std::string&);
 
+
+#if LL_WINDOWS
+
+// SEH exception filtering for use in __try __except
+// Separates C++ exceptions from C SEH exceptions
+// Todo: might be good idea to do some kind of seh_to_msc_wrapper(function, ARGS&&);
+U32 msc_exception_filter(U32 code, struct _EXCEPTION_POINTERS *exception_infop);
+
+#endif //LL_WINDOWS
+
 #endif /* ! defined(LL_LLEXCEPTION_H) */
diff --git a/indra/llcommon/llfasttimer.cpp b/indra/llcommon/llfasttimer.cpp
index 08ea668964..5b6a7b82f8 100644
--- a/indra/llcommon/llfasttimer.cpp
+++ b/indra/llcommon/llfasttimer.cpp
@@ -43,7 +43,7 @@
 
 #if LL_WINDOWS
 #include "lltimer.h"
-#elif LL_LINUX || LL_SOLARIS
+#elif LL_LINUX
 #include <sys/time.h>
 #include <sched.h>
 #include "lltimer.h"
@@ -64,7 +64,7 @@ bool        BlockTimer::sLog		     = false;
 std::string BlockTimer::sLogName         = "";
 bool        BlockTimer::sMetricLog       = false;
 
-#if LL_LINUX || LL_SOLARIS
+#if LL_LINUX
 U64         BlockTimer::sClockResolution = 1000000000; // Nanosecond resolution
 #else
 U64         BlockTimer::sClockResolution = 1000000; // Microsecond resolution
@@ -151,12 +151,12 @@ void BlockTimer::setLogLock(LLMutex* lock)
 
 
 //static
-#if (LL_DARWIN || LL_LINUX || LL_SOLARIS) && !(defined(__i386__) || defined(__amd64__))
+#if (LL_DARWIN || LL_LINUX) && !(defined(__i386__) || defined(__amd64__))
 U64 BlockTimer::countsPerSecond()
 {
 	return sClockResolution;
 }
-#else // windows or x86-mac or x86-linux or x86-solaris
+#else // windows or x86-mac or x86-linux
 U64 BlockTimer::countsPerSecond()
 {
 #if LL_FASTTIMER_USE_RDTSC || !LL_WINDOWS
diff --git a/indra/llcommon/llfasttimer.h b/indra/llcommon/llfasttimer.h
index 5628a05b00..dfc63d08a2 100644
--- a/indra/llcommon/llfasttimer.h
+++ b/indra/llcommon/llfasttimer.h
@@ -125,9 +125,9 @@ public:
 #endif
 
 
-#if (LL_LINUX || LL_SOLARIS) && !(defined(__i386__) || defined(__amd64__))
+#if (LL_LINUX) && !(defined(__i386__) || defined(__amd64__))
 	//
-	// Linux and Solaris implementation of CPU clock - non-x86.
+	// Linux implementation of CPU clock - non-x86.
 	// This is accurate but SLOW!  Only use out of desperation.
 	//
 	// Try to use the MONOTONIC clock if available, this is a constant time counter
@@ -153,12 +153,12 @@ public:
 		return (U32)(getCPUClockCount64() >> 8);
 	}
 
-#endif // (LL_LINUX || LL_SOLARIS) && !(defined(__i386__) || defined(__amd64__))
+#endif // (LL_LINUX) && !(defined(__i386__) || defined(__amd64__))
 
 
-#if (LL_LINUX || LL_SOLARIS || LL_DARWIN) && (defined(__i386__) || defined(__amd64__))
+#if (LL_LINUX || LL_DARWIN) && (defined(__i386__) || defined(__amd64__))
 	//
-	// Mac+Linux+Solaris FAST x86 implementation of CPU clock
+	// Mac+Linux FAST x86 implementation of CPU clock
 	static U32 getCPUClockCount32()
 	{
 		U32 low(0),high(0);
diff --git a/indra/llcommon/llmemory.cpp b/indra/llcommon/llmemory.cpp
index 1884d6f04f..ea84e4c1ea 100644
--- a/indra/llcommon/llmemory.cpp
+++ b/indra/llcommon/llmemory.cpp
@@ -35,7 +35,7 @@
 # include <sys/types.h>
 # include <mach/task.h>
 # include <mach/mach_init.h>
-#elif LL_LINUX || LL_SOLARIS
+#elif LL_LINUX
 # include <unistd.h>
 #endif
 
@@ -55,7 +55,6 @@ static LLTrace::SampleStatHandle<F64Megabytes> sVirtualMem("virtual_mem", "virtu
 U32Kilobytes LLMemory::sAllocatedMemInKB(0);
 U32Kilobytes LLMemory::sAllocatedPageSizeInKB(0);
 U32Kilobytes LLMemory::sMaxHeapSizeInKB(U32_MAX);
-BOOL LLMemory::sEnableMemoryFailurePrevention = FALSE;
 
 void ll_assert_aligned_func(uintptr_t ptr,U32 alignment)
 {
@@ -75,10 +74,9 @@ void ll_assert_aligned_func(uintptr_t ptr,U32 alignment)
 }
 
 //static 
-void LLMemory::initMaxHeapSizeGB(F32Gigabytes max_heap_size, BOOL prevent_heap_failure)
+void LLMemory::initMaxHeapSizeGB(F32Gigabytes max_heap_size)
 {
 	sMaxHeapSizeInKB = U32Kilobytes::convert(max_heap_size);
-	sEnableMemoryFailurePrevention = prevent_heap_failure ;
 }
 
 //static 
@@ -158,56 +156,6 @@ void LLMemory::logMemoryInfo(BOOL update)
 	LL_INFOS() << "Current max usable memory(KB): " << sMaxPhysicalMemInKB << LL_ENDL ;
 }
 
-//return 0: everything is normal;
-//return 1: the memory pool is low, but not in danger;
-//return -1: the memory pool is in danger, is about to crash.
-//static 
-bool LLMemory::isMemoryPoolLow()
-{
-	static const U32Megabytes LOW_MEMORY_POOL_THRESHOLD(64);
-	const static U32Megabytes MAX_SIZE_CHECKED_MEMORY_BLOCK(64);
-	static void* last_reserved_address = NULL ;
-
-	if(!sEnableMemoryFailurePrevention)
-	{
-		return false ; //no memory failure prevention.
-	}
-
-	if(sAvailPhysicalMemInKB < (LOW_MEMORY_POOL_THRESHOLD / 4)) //out of physical memory
-	{
-		return true ;
-	}
-
-	if(sAllocatedPageSizeInKB + (LOW_MEMORY_POOL_THRESHOLD / 4) > sMaxHeapSizeInKB) //out of virtual address space.
-	{
-		return true ;
-	}
-
-	bool is_low = (S32)(sAvailPhysicalMemInKB < LOW_MEMORY_POOL_THRESHOLD 
-						|| sAllocatedPageSizeInKB + LOW_MEMORY_POOL_THRESHOLD > sMaxHeapSizeInKB) ;
-
-	//check the virtual address space fragmentation
-	if(!is_low)
-	{
-		if(!last_reserved_address)
-		{
-			last_reserved_address = LLMemory::tryToAlloc(last_reserved_address, MAX_SIZE_CHECKED_MEMORY_BLOCK.value()) ;
-		}
-		else
-		{
-			last_reserved_address = LLMemory::tryToAlloc(last_reserved_address, MAX_SIZE_CHECKED_MEMORY_BLOCK.value()) ;
-			if(!last_reserved_address) //failed, try once more
-			{
-				last_reserved_address = LLMemory::tryToAlloc(last_reserved_address, MAX_SIZE_CHECKED_MEMORY_BLOCK.value()) ;
-			}
-		}
-
-		is_low = !last_reserved_address ; //allocation failed
-	}
-
-	return is_low ;
-}
-
 //static 
 U32Kilobytes LLMemory::getAvailableMemKB() 
 {
@@ -309,35 +257,6 @@ U64 LLMemory::getCurrentRSS()
 	return rss;
 }
 
-#elif LL_SOLARIS
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#define _STRUCTURED_PROC 1
-#include <sys/procfs.h>
-
-U64 LLMemory::getCurrentRSS()
-{
-	char path [LL_MAX_PATH];	/* Flawfinder: ignore */ 
-
-	sprintf(path, "/proc/%d/psinfo", (int)getpid());
-	int proc_fd = -1;
-	if((proc_fd = open(path, O_RDONLY)) == -1){
-		LL_WARNS() << "LLmemory::getCurrentRSS() unable to open " << path << ". Returning 0 RSS!" << LL_ENDL;
-		return 0;
-	}
-	psinfo_t proc_psinfo;
-	if(read(proc_fd, &proc_psinfo, sizeof(psinfo_t)) != sizeof(psinfo_t)){
-		LL_WARNS() << "LLmemory::getCurrentRSS() Unable to read from " << path << ". Returning 0 RSS!" << LL_ENDL;
-		close(proc_fd);
-		return 0;
-	}
-
-	close(proc_fd);
-
-	return((U64)proc_psinfo.pr_rssize * 1024);
-}
-
 #else
 
 U64 LLMemory::getCurrentRSS()
diff --git a/indra/llcommon/llmemory.h b/indra/llcommon/llmemory.h
index f04ae5f5cb..24f86cc11e 100644
--- a/indra/llcommon/llmemory.h
+++ b/indra/llcommon/llmemory.h
@@ -344,10 +344,9 @@ public:
 	// Return value is zero if not known.
 	static U64 getCurrentRSS();
 	static void* tryToAlloc(void* address, U32 size);
-	static void initMaxHeapSizeGB(F32Gigabytes max_heap_size, BOOL prevent_heap_failure);
+	static void initMaxHeapSizeGB(F32Gigabytes max_heap_size);
 	static void updateMemoryInfo() ;
 	static void logMemoryInfo(BOOL update = FALSE);
-	static bool isMemoryPoolLow();
 
 	static U32Kilobytes getAvailableMemKB() ;
 	static U32Kilobytes getMaxMemKB() ;
@@ -359,7 +358,6 @@ private:
 	static U32Kilobytes sAllocatedPageSizeInKB ;
 
 	static U32Kilobytes sMaxHeapSizeInKB;
-	static BOOL sEnableMemoryFailurePrevention;
 };
 
 // LLRefCount moved to llrefcount.h
diff --git a/indra/llcommon/llpreprocessor.h b/indra/llcommon/llpreprocessor.h
index bae402110a..b17a8e761a 100644
--- a/indra/llcommon/llpreprocessor.h
+++ b/indra/llcommon/llpreprocessor.h
@@ -34,16 +34,7 @@
 #include <endian.h>
 #endif	//	LL_LINUX
 
-#if LL_SOLARIS
-#   ifdef  __sparc     // Since we're talking Solaris 10 and up, only 64 bit is supported.
-#      define LL_BIG_ENDIAN 1
-#      define LL_SOLARIS_ALIGNED_CPU 1     //  used to designate issues where SPARC alignment is addressed
-#      define LL_SOLARIS_NON_MESA_GL 1      //  The SPARC GL does not provide a MESA-based GL API
-#   endif
-#   include <sys/isa_defs.h> // ensure we know which end is up
-#endif // LL_SOLARIS
-
-#if (defined(LL_WINDOWS) || (defined(LL_LINUX) && (__BYTE_ORDER == __LITTLE_ENDIAN)) || (defined(LL_DARWIN) && defined(__LITTLE_ENDIAN__)) || (defined(LL_SOLARIS) && defined(__i386)))
+#if (defined(LL_WINDOWS) || (defined(LL_LINUX) && (__BYTE_ORDER == __LITTLE_ENDIAN)) || (defined(LL_DARWIN) && defined(__LITTLE_ENDIAN__)))
 #define LL_LITTLE_ENDIAN 1
 #else
 #define LL_BIG_ENDIAN 1
diff --git a/indra/llcommon/llsdutil.cpp b/indra/llcommon/llsdutil.cpp
index 3f3edb661f..eb3a96b133 100644
--- a/indra/llcommon/llsdutil.cpp
+++ b/indra/llcommon/llsdutil.cpp
@@ -33,7 +33,7 @@
 #if LL_WINDOWS
 #	define WIN32_LEAN_AND_MEAN
 #	include <winsock2.h>	// for htonl
-#elif LL_LINUX || LL_SOLARIS
+#elif LL_LINUX
 #	include <netinet/in.h>
 #elif LL_DARWIN
 #	include <arpa/inet.h>
diff --git a/indra/llcommon/llsingleton.cpp b/indra/llcommon/llsingleton.cpp
index 83a4b64e8f..ad933154c2 100644
--- a/indra/llcommon/llsingleton.cpp
+++ b/indra/llcommon/llsingleton.cpp
@@ -388,7 +388,7 @@ LLSingletonBase::vec_t LLSingletonBase::dep_sort()
     // extracts just the first (key) element from each sorted_iterator, then
     // uses vec_t's range constructor... but frankly this is more
     // straightforward, as long as we remember the above reserve() call!
-    for (const SingletonDeps::sorted_iterator::value_type& pair : sdeps.sort())
+    for (const SingletonDeps::sorted_iterator::value_type pair : sdeps.sort())
     {
         ret.push_back(pair.first);
     }
diff --git a/indra/llcommon/llstring.h b/indra/llcommon/llstring.h
index 6b1a1e0a03..4263122f36 100644
--- a/indra/llcommon/llstring.h
+++ b/indra/llcommon/llstring.h
@@ -37,7 +37,7 @@
 #include <map>
 #include "llformat.h"
 
-#if LL_LINUX || LL_SOLARIS
+#if LL_LINUX
 #include <wctype.h>
 #include <wchar.h>
 #endif
@@ -45,16 +45,10 @@
 #include <string.h>
 #include <boost/scoped_ptr.hpp>
 
-#if LL_SOLARIS
-// stricmp and strnicmp do not exist on Solaris:
-#define stricmp strcasecmp
-#define strnicmp strncasecmp
-#endif
-
 const char LL_UNKNOWN_CHAR = '?';
 class LLSD;
 
-#if LL_DARWIN || LL_LINUX || LL_SOLARIS
+#if LL_DARWIN || LL_LINUX
 // Template specialization of char_traits for U16s. Only necessary on Mac and Linux (exists on Windows already)
 #include <cstring>
 
diff --git a/indra/llcommon/llsys.cpp b/indra/llcommon/llsys.cpp
index 1f8d558fbe..4e61fb8a58 100644
--- a/indra/llcommon/llsys.cpp
+++ b/indra/llcommon/llsys.cpp
@@ -55,6 +55,7 @@
 #include <boost/utility/enable_if.hpp>
 #include <boost/type_traits/is_integral.hpp>
 #include <boost/type_traits/is_float.hpp>
+#include "llfasttimer.h"
 
 using namespace llsd;
 
@@ -87,17 +88,6 @@ using namespace llsd;
 #   include <stdexcept>
 const char MEMINFO_FILE[] = "/proc/meminfo";
 #   include <gnu/libc-version.h>
-#elif LL_SOLARIS
-#	include <stdio.h>
-#	include <unistd.h>
-#	include <sys/utsname.h>
-#	define _STRUCTURED_PROC 1
-#	include <sys/procfs.h>
-#	include <sys/types.h>
-#	include <sys/stat.h>
-#	include <fcntl.h>
-#	include <errno.h>
-extern int errno;
 #endif
 
 LLCPUInfo gSysCPU;
@@ -543,8 +533,6 @@ const std::string& LLOSInfo::getOSVersionString() const
 U32 LLOSInfo::getProcessVirtualSizeKB()
 {
 	U32 virtual_size = 0;
-#if LL_WINDOWS
-#endif
 #if LL_LINUX
 #   define STATUS_SIZE 2048	
 	LLFILE* status_filep = LLFile::fopen("/proc/self/status", "rb");
@@ -564,24 +552,6 @@ U32 LLOSInfo::getProcessVirtualSizeKB()
 		}
 		fclose(status_filep);
 	}
-#elif LL_SOLARIS
-	char proc_ps[LL_MAX_PATH];
-	sprintf(proc_ps, "/proc/%d/psinfo", (int)getpid());
-	int proc_fd = -1;
-	if((proc_fd = open(proc_ps, O_RDONLY)) == -1){
-		LL_WARNS() << "unable to open " << proc_ps << LL_ENDL;
-		return 0;
-	}
-	psinfo_t proc_psinfo;
-	if(read(proc_fd, &proc_psinfo, sizeof(psinfo_t)) != sizeof(psinfo_t)){
-		LL_WARNS() << "Unable to read " << proc_ps << LL_ENDL;
-		close(proc_fd);
-		return 0;
-	}
-
-	close(proc_fd);
-
-	virtual_size = proc_psinfo.pr_size;
 #endif
 	return virtual_size;
 }
@@ -590,8 +560,6 @@ U32 LLOSInfo::getProcessVirtualSizeKB()
 U32 LLOSInfo::getProcessResidentSizeKB()
 {
 	U32 resident_size = 0;
-#if LL_WINDOWS
-#endif
 #if LL_LINUX
 	LLFILE* status_filep = LLFile::fopen("/proc/self/status", "rb");
 	if (status_filep != NULL)
@@ -610,24 +578,6 @@ U32 LLOSInfo::getProcessResidentSizeKB()
 		}
 		fclose(status_filep);
 	}
-#elif LL_SOLARIS
-	char proc_ps[LL_MAX_PATH];
-	sprintf(proc_ps, "/proc/%d/psinfo", (int)getpid());
-	int proc_fd = -1;
-	if((proc_fd = open(proc_ps, O_RDONLY)) == -1){
-		LL_WARNS() << "unable to open " << proc_ps << LL_ENDL;
-		return 0;
-	}
-	psinfo_t proc_psinfo;
-	if(read(proc_fd, &proc_psinfo, sizeof(psinfo_t)) != sizeof(psinfo_t)){
-		LL_WARNS() << "Unable to read " << proc_ps << LL_ENDL;
-		close(proc_fd);
-		return 0;
-	}
-
-	close(proc_fd);
-
-	resident_size = proc_psinfo.pr_rssize;
 #endif
 	return resident_size;
 }
@@ -772,11 +722,6 @@ U32Kilobytes LLMemoryInfo::getPhysicalMemoryKB() const
 	phys = (U64)(getpagesize()) * (U64)(get_phys_pages());
 	return U64Bytes(phys);
 
-#elif LL_SOLARIS
-	U64 phys = 0;
-	phys = (U64)(getpagesize()) * (U64)(sysconf(_SC_PHYS_PAGES));
-	return U64Bytes(phys);
-
 #else
 	return 0;
 
@@ -925,8 +870,12 @@ LLMemoryInfo& LLMemoryInfo::refresh()
 	return *this;
 }
 
+static LLTrace::BlockTimerStatHandle FTM_MEMINFO_LOAD_STATS("MemInfo Load Stats");
+
 LLSD LLMemoryInfo::loadStatsMap()
 {
+	LL_RECORD_BLOCK_TIME(FTM_MEMINFO_LOAD_STATS);
+
 	// This implementation is derived from stream() code (as of 2011-06-29).
 	Stats stats;
 
@@ -948,24 +897,11 @@ LLSD LLMemoryInfo::loadStatsMap()
 	stats.add("Total Virtual KB",   state.ullTotalVirtual/div);
 	stats.add("Avail Virtual KB",   state.ullAvailVirtual/div);
 
-	PERFORMANCE_INFORMATION perf;
-	perf.cb = sizeof(perf);
-	GetPerformanceInfo(&perf, sizeof(perf));
-
-	SIZE_T pagekb(perf.PageSize/1024);
-	stats.add("CommitTotal KB",     perf.CommitTotal * pagekb);
-	stats.add("CommitLimit KB",     perf.CommitLimit * pagekb);
-	stats.add("CommitPeak KB",      perf.CommitPeak * pagekb);
-	stats.add("PhysicalTotal KB",   perf.PhysicalTotal * pagekb);
-	stats.add("PhysicalAvail KB",   perf.PhysicalAvailable * pagekb);
-	stats.add("SystemCache KB",     perf.SystemCache * pagekb);
-	stats.add("KernelTotal KB",     perf.KernelTotal * pagekb);
-	stats.add("KernelPaged KB",     perf.KernelPaged * pagekb);
-	stats.add("KernelNonpaged KB",  perf.KernelNonpaged * pagekb);
-	stats.add("PageSize KB",        pagekb);
-	stats.add("HandleCount",        perf.HandleCount);
-	stats.add("ProcessCount",       perf.ProcessCount);
-	stats.add("ThreadCount",        perf.ThreadCount);
+	// SL-12122 - Call to GetPerformanceInfo() was removed here. Took
+	// on order of 10 ms, causing unacceptable frame time spike every
+	// second, and results were never used. If this is needed in the
+	// future, must find a way to avoid frame time impact (e.g. move
+	// to another thread, call much less often).
 
 	PROCESS_MEMORY_COUNTERS_EX pmem;
 	pmem.cb = sizeof(pmem);
@@ -1074,13 +1010,6 @@ LLSD LLMemoryInfo::loadStatsMap()
 			}
 	}
 
-#elif LL_SOLARIS
-	U64 phys = 0;
-
-	phys = (U64)(sysconf(_SC_PHYS_PAGES)) * (U64)(sysconf(_SC_PAGESIZE)/1024);
-
-	stats.add("Total Physical KB", phys);
-
 #elif LL_LINUX
 	std::ifstream meminfo(MEMINFO_FILE);
 	if (meminfo.is_open())
diff --git a/indra/llcommon/llthread.cpp b/indra/llcommon/llthread.cpp
index 0b9dec969c..98905f3b71 100644
--- a/indra/llcommon/llthread.cpp
+++ b/indra/llcommon/llthread.cpp
@@ -36,7 +36,7 @@
 #include "lltracethreadrecorder.h"
 #include "llexception.h"
 
-#if LL_LINUX || LL_SOLARIS
+#if LL_LINUX
 #include <sched.h>
 #endif
 
diff --git a/indra/llcommon/lltimer.cpp b/indra/llcommon/lltimer.cpp
index 76e892212a..aaa6df325c 100644
--- a/indra/llcommon/lltimer.cpp
+++ b/indra/llcommon/lltimer.cpp
@@ -32,7 +32,7 @@
 
 #if LL_WINDOWS
 #	include "llwin32headerslean.h"
-#elif LL_LINUX || LL_SOLARIS || LL_DARWIN
+#elif LL_LINUX || LL_DARWIN
 #   include <errno.h>
 #	include <sys/time.h>
 #else 
@@ -74,7 +74,7 @@ U32 micro_sleep(U64 us, U32 max_yields)
 	ms_sleep((U32)(us / 1000));
     return 0;
 }
-#elif LL_LINUX || LL_SOLARIS || LL_DARWIN
+#elif LL_LINUX || LL_DARWIN
 static void _sleep_loop(struct timespec& thiswait)
 {
 	struct timespec nextwait;
@@ -187,7 +187,7 @@ F64 calc_clock_frequency()
 #endif // LL_WINDOWS
 
 
-#if LL_LINUX || LL_DARWIN || LL_SOLARIS
+#if LL_LINUX || LL_DARWIN
 // Both Linux and Mac use gettimeofday for accurate time
 F64 calc_clock_frequency()
 {
diff --git a/indra/llcommon/lltimer.h b/indra/llcommon/lltimer.h
index ec70213447..010f290b24 100644
--- a/indra/llcommon/lltimer.h
+++ b/indra/llcommon/lltimer.h
@@ -27,7 +27,7 @@
 #ifndef LL_TIMER_H					
 #define LL_TIMER_H
 
-#if LL_LINUX || LL_DARWIN || LL_SOLARIS
+#if LL_LINUX || LL_DARWIN
 #include <sys/time.h>
 #endif
 #include <limits.h>
diff --git a/indra/llcommon/lluriparser.cpp b/indra/llcommon/lluriparser.cpp
index c275b90120..e4f229dd16 100644
--- a/indra/llcommon/lluriparser.cpp
+++ b/indra/llcommon/lluriparser.cpp
@@ -29,10 +29,13 @@
 #include "linden_common.h"
 #include "lluriparser.h"
 
+#if LL_DARWIN
+#include <signal.h>
+#include <setjmp.h>
+#endif
+
 LLUriParser::LLUriParser(const std::string& u) : mTmpScheme(false), mNormalizedTmp(false), mRes(0)
 {
-	mState.uri = &mUri;
-
 	if (u.find("://") == std::string::npos)
 	{
 		mNormalizedUri = "http://";
@@ -51,7 +54,7 @@ LLUriParser::~LLUriParser()
 
 S32 LLUriParser::parse()
 {
-	mRes = uriParseUriA(&mState, mNormalizedUri.c_str());
+	mRes = uriParseSingleUriA(&mUri, mNormalizedUri.c_str(), NULL);
 	return mRes;
 }
 
@@ -158,31 +161,69 @@ void LLUriParser::extractParts()
 	}
 }
 
+#if LL_DARWIN
+typedef void(*sighandler_t)(int);
+jmp_buf return_to_normalize;
+void uri_signal_handler(int signal)
+{
+    // Apparently signal handler throwing an exception doesn't work.
+    // This is ugly and unsafe due to not unwinding content of uriparser library,
+    // but unless we have a way to catch this as NSexception, jump appears to be the only option.
+    longjmp(return_to_normalize, 1 /*setjmp will return this value*/);
+}
+#endif
+
 S32 LLUriParser::normalize()
 {
 	mNormalizedTmp = mTmpScheme;
 	if (!mRes)
 	{
-		mRes = uriNormalizeSyntaxExA(&mUri, URI_NORMALIZE_SCHEME | URI_NORMALIZE_HOST);
-
-		if (!mRes)
-		{
-			S32 chars_required;
-			mRes = uriToStringCharsRequiredA(&mUri, &chars_required);
-
-			if (!mRes)
-			{
-				chars_required++;
-				std::vector<char> label_buf(chars_required);
-				mRes = uriToStringA(&label_buf[0], &mUri, chars_required, NULL);
-
-				if (!mRes)
-				{
-					mNormalizedUri = &label_buf[mTmpScheme ? 7 : 0];
-					mTmpScheme = false;
-				}
-			}
-		}
+#if LL_DARWIN
+        sighandler_t last_handler;
+        last_handler = signal(SIGILL, &uri_signal_handler);		// illegal instruction
+        if (setjmp(return_to_normalize))
+        {
+            // Issue: external library crashed via signal
+            // If you encountered this, please try to figure out what's wrong:
+            // 1. Verify that library's input is 'sane'
+            // 2. Check if we have an NSexception to work with (unlikely)
+            // 3. See if passing same string causes exception to repeat
+            //
+            // Crash happens at uriNormalizeSyntaxExA
+            // Warning!!! This does not properly unwind stack,
+            // if this can be handled by NSexception, it needs to be remade
+            llassert(0);
+
+            LL_WARNS() << "Uriparser crashed with SIGILL, while processing: " << mNormalizedUri << LL_ENDL;
+            signal(SIGILL, last_handler);
+            return 1;
+        }
+#endif
+
+        mRes = uriNormalizeSyntaxExA(&mUri, URI_NORMALIZE_SCHEME | URI_NORMALIZE_HOST);
+
+#if LL_DARWIN
+        signal(SIGILL, last_handler);
+#endif
+
+        if (!mRes)
+        {
+            S32 chars_required;
+            mRes = uriToStringCharsRequiredA(&mUri, &chars_required);
+
+            if (!mRes)
+            {
+                chars_required++;
+                std::vector<char> label_buf(chars_required);
+                mRes = uriToStringA(&label_buf[0], &mUri, chars_required, NULL);
+
+                if (!mRes)
+                {
+                    mNormalizedUri = &label_buf[mTmpScheme ? 7 : 0];
+                    mTmpScheme = false;
+                }
+            }
+        }
 	}
 
 	if(mTmpScheme)
diff --git a/indra/llcommon/lluriparser.h b/indra/llcommon/lluriparser.h
index cfbf54f3c8..92626b9054 100644
--- a/indra/llcommon/lluriparser.h
+++ b/indra/llcommon/lluriparser.h
@@ -76,7 +76,6 @@ private:
 	std::string mFragment;
 	std::string mNormalizedUri;
 
-	UriParserStateA mState;
 	UriUriA mUri;
 
 	S32 mRes;
diff --git a/indra/llcommon/lluuid.cpp b/indra/llcommon/lluuid.cpp
index b05630c6b5..e3b293e465 100644
--- a/indra/llcommon/lluuid.cpp
+++ b/indra/llcommon/lluuid.cpp
@@ -601,9 +601,7 @@ S32 LLUUID::getNodeID(unsigned char *node_id)
 #define HAVE_NETINET_IN_H
 #ifdef HAVE_NETINET_IN_H
 #include <netinet/in.h>
-#if LL_SOLARIS
-#include <sys/sockio.h>
-#elif !LL_DARWIN
+#if !LL_DARWIN
 #include <linux/sockios.h>
 #endif
 #endif
diff --git a/indra/llcommon/stdtypes.h b/indra/llcommon/stdtypes.h
index 6c9871e76c..887f6ab733 100644
--- a/indra/llcommon/stdtypes.h
+++ b/indra/llcommon/stdtypes.h
@@ -57,7 +57,7 @@ typedef unsigned __int64		U64;
 #else
 typedef long long int			S64;
 typedef long long unsigned int		U64;
-#if LL_DARWIN || LL_LINUX || LL_SOLARIS
+#if LL_DARWIN || LL_LINUX
 #define S64L(a)				(a##LL)
 #define U64L(a)				(a##ULL)
 #endif