2 files changed, 74 insertions, 13 deletions

diff --git a/toolkit/xre/nsSigHandlers.cpp b/toolkit/xre/nsSigHandlers.cpp
index 454882c1b..660af4522 100644
--- a/toolkit/xre/nsSigHandlers.cpp
+++ b/toolkit/xre/nsSigHandlers.cpp
@@ -32,6 +32,11 @@
 #endif
 #endif
 
+#ifdef XP_SOLARIS
+#include <sys/resource.h>
+#include <ucontext.h>
+#endif
+
 static const char* gProgname = "huh?";
 
 // Note: some tests manipulate this value.
@@ -193,6 +198,32 @@ static void fpehandler(int signum, siginfo_t *si, void *context)
   *mxcsr &= ~SSE_STATUS_FLAGS; /* clear all pending SSE exceptions */
 #endif
 #endif
+#ifdef XP_SOLARIS
+  ucontext_t *uc = (ucontext_t *)context;
+
+#if defined(__i386)
+  uint32_t *cw = &uc->uc_mcontext.fpregs.fp_reg_set.fpchip_state.state[0];
+  *cw |= FPU_EXCEPTION_MASK;
+
+  uint32_t *sw = &uc->uc_mcontext.fpregs.fp_reg_set.fpchip_state.state[1];
+  *sw &= ~FPU_STATUS_FLAGS;
+
+  /* address of the instruction that caused the exception */
+  uint32_t *ip = &uc->uc_mcontext.fpregs.fp_reg_set.fpchip_state.state[3];
+  uc->uc_mcontext.gregs[REG_PC] = *ip;
+#endif
+#if defined(__amd64__)
+  uint16_t *cw = &uc->uc_mcontext.fpregs.fp_reg_set.fpchip_state.cw;
+  *cw |= FPU_EXCEPTION_MASK;
+
+  uint16_t *sw = &uc->uc_mcontext.fpregs.fp_reg_set.fpchip_state.sw;
+  *sw &= ~FPU_STATUS_FLAGS;
+
+  uint32_t *mxcsr = &uc->uc_mcontext.fpregs.fp_reg_set.fpchip_state.mxcsr;
+  *mxcsr |= SSE_EXCEPTION_MASK; /* disable all SSE exceptions */
+  *mxcsr &= ~SSE_STATUS_FLAGS; /* clear all pending SSE exceptions */
+#endif
+#endif
 }
 #endif
 
@@ -255,6 +286,31 @@ void InstallSignalHandlers(const char *aProgname)
   }
 #endif
 
+#ifdef XP_SOLARIS
+#define NOFILES 512
+
+    // Boost Solaris file descriptors
+    {
+	struct rlimit rl;
+	
+	if (getrlimit(RLIMIT_NOFILE, &rl) == 0)
+
+	    if (rl.rlim_cur < NOFILES) {
+		rl.rlim_cur = NOFILES;
+
+		if (setrlimit(RLIMIT_NOFILE, &rl) < 0) {
+		    perror("setrlimit(RLIMIT_NOFILE)");
+		    fprintf(stderr, "Cannot exceed hard limit for open files");
+		}
+#if defined(DEBUG)
+	    	if (getrlimit(RLIMIT_NOFILE, &rl) == 0)
+		    printf("File descriptors set to %d\n", rl.rlim_cur);
+#endif //DEBUG
+	    }
+    }
+#endif //XP_SOLARIS
+
+
 #if defined(MOZ_WIDGET_GTK) && (GLIB_MAJOR_VERSION > 2 || (GLIB_MAJOR_VERSION == 2 && GLIB_MINOR_VERSION >= 6))
   const char *assertString = PR_GetEnv("XPCOM_DEBUG_BREAK");
   if (assertString &&
diff --git a/toolkit/xre/nsUpdateDriver.cpp b/toolkit/xre/nsUpdateDriver.cpp
index aac856d6e..be11fb158 100644
--- a/toolkit/xre/nsUpdateDriver.cpp
+++ b/toolkit/xre/nsUpdateDriver.cpp
@@ -75,21 +75,26 @@ GetUpdateLog()
 #endif
 
 static nsresult
-GetCurrentWorkingDir(char *buf, size_t size)
+GetCurrentWorkingDir(nsACString& aOutPath)
 {
   // Cannot use NS_GetSpecialDirectory because XPCOM is not yet initialized.
-  // This code is duplicated from xpcom/io/SpecialSystemDirectory.cpp:
-
+  
+  // Just in case junk has been passed in.
+  aOutPath.Truncate();
+  
 #if defined(XP_WIN)
   wchar_t wpath[MAX_PATH];
-  if (!_wgetcwd(wpath, size))
+  if (!_wgetcwd(wpath, ArrayLength(wpath)))
     return NS_ERROR_FAILURE;
-  NS_ConvertUTF16toUTF8 path(wpath);
-  strncpy(buf, path.get(), size);
+  CopyUTF16toUTF8(nsDependentString(wpath), aOutPath);
 #else
-  if(!getcwd(buf, size))
+  char path[MAXPATHLEN];
+  if (!getcwd(path, ArrayLength(path))) {
     return NS_ERROR_FAILURE;
+  }
+  aOutPath = path;
 #endif
+
   return NS_OK;
 }
 
@@ -535,8 +540,8 @@ SwitchToUpdatedApp(nsIFile *greDir, nsIFile *updateDir,
     return;
 
   // Get the current working directory.
-  char workingDirPath[MAXPATHLEN];
-  rv = GetCurrentWorkingDir(workingDirPath, sizeof(workingDirPath));
+  nsAutoCString workingDirPath;
+  rv = GetCurrentWorkingDir(workingDirPath);
   if (NS_FAILED(rv))
     return;
 
@@ -565,7 +570,7 @@ SwitchToUpdatedApp(nsIFile *greDir, nsIFile *updateDir,
   argv[3] = (char*) applyToDir.get();
   argv[4] = (char*) pid.get();
   if (appArgc) {
-    argv[5] = workingDirPath;
+    argv[5] = (char*) workingDirPath.get();
     argv[6] = (char*) appFilePath.get();
     for (int i = 1; i < appArgc; ++i)
       argv[6 + i] = appArgv[i];
@@ -743,8 +748,8 @@ ApplyUpdate(nsIFile *greDir, nsIFile *updateDir, nsIFile *statusFile,
   }
 
   // Get the current working directory.
-  char workingDirPath[MAXPATHLEN];
-  rv = GetCurrentWorkingDir(workingDirPath, sizeof(workingDirPath));
+  nsAutoCString workingDirPath;
+  rv = GetCurrentWorkingDir(workingDirPath);
   if (NS_FAILED(rv))
     return;
 
@@ -786,7 +791,7 @@ ApplyUpdate(nsIFile *greDir, nsIFile *updateDir, nsIFile *statusFile,
   argv[3] = (char*) applyToDir.get();
   argv[4] = (char*) pid.get();
   if (restart && appArgc) {
-    argv[5] = workingDirPath;
+    argv[5] = (char*) workingDirPath.get();
     argv[6] = (char*) appFilePath.get();
     for (int i = 1; i < appArgc; ++i)
       argv[6 + i] = appArgv[i];