testsuite_hooks.cc (try_mkfifo): Remove.

	* testsuite/testsuite_hooks.cc (try_mkfifo): Remove.
	* testsuite/testsuite_hooks.h (try_mkfifo): Likewise.
	* testsuite/27_io/basic_filebuf/close/char/4879.cc: Use
	dg-require-fork and dg-require-mkfifo.  Replace try_mkfifo with
	mkfifo.
	* testsuite/27_io/basic_filebuf/close/char/9964.cc: Likewise.
	* testsuite/27_io/basic_filebuf/imbue/char/13171-2.cc: Likewise.
	* testsuite/27_io/basic_filebuf/imbue/char/13582-2.cc: Likewise.
	* testsuite/27_io/basic_filebuf/imbue/wchar_t/13582-2.cc:
	Likewise.
	* testsuite/27_io/basic_filebuf/imbue/wchar_t/14975-2.cc:
	Likewise.
	* testsuite/27_io/basic_filebuf/open/char/9507.cc: Likewise.
	* testsuite/27_io/basic_filebuf/showmanyc/char/9533-1.cc:
	Likewise.
	* testsuite/27_io/basic_filebuf/underflow/char/10097.cc: Likewise.
	* testsuite/27_io/objects/char/7.cc: Likewise.
	* testsuite/27_io/objects/char/9661-1.cc: Likewise.
	* testsuite/27_io/objects/wchar_t/7.cc: Likewise.
	* testsuite/27_io/objects/wchar_t/9661-1.cc: Likewise.

	* lib/target-supports-dg.exp (dg-require-fork): New function.
	(dg-require-mkfifo): Likewise.
	* lib/target-supports.exp (check_function_available): New
	function.
	(check_fork_available): Likewise.
	(check_mkfifo_available): Likewise.

From-SVN: r99325

15 files changed, 51 insertions, 27 deletions

diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/close/char/4879.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/close/char/4879.cc
index 96033e5..a7d0c5c 100644
--- a/libstdc++-v3/testsuite/27_io/basic_filebuf/close/char/4879.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/close/char/4879.cc
@@ -1,3 +1,6 @@
+// { dg-require-fork "" }
+// { dg-require-mkfifo "" }
+ 
 // Copyright (C) 2001, 2002, 2003, 2005 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
@@ -46,7 +49,7 @@ test_04()
   signal(SIGPIPE, SIG_IGN);
   
   unlink(name);
-  if (0 != try_mkfifo(name, S_IRWXU))
+  if (0 != mkfifo(name, S_IRWXU))
     {
       std::cerr << "failed to create fifo" << std::endl;
       exit(-1);
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/close/char/9964.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/close/char/9964.cc
index d46184a..6be7511 100644
--- a/libstdc++-v3/testsuite/27_io/basic_filebuf/close/char/9964.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/close/char/9964.cc
@@ -1,3 +1,6 @@
+// { dg-require-fork "" }
+// { dg-require-mkfifo "" }
+
 // Copyright (C) 2001, 2002, 2003, 2005 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
@@ -44,7 +47,7 @@ void test_07()
   signal(SIGPIPE, SIG_IGN);
 
   unlink(name);  
-  try_mkfifo(name, S_IRWXU);
+  mkfifo(name, S_IRWXU);
   
   int child = fork();
   VERIFY( child != -1 );
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13171-2.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13171-2.cc
index e62ed05..ec7be49 100644
--- a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13171-2.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13171-2.cc
@@ -1,3 +1,6 @@
+// { dg-require-fork "" }
+// { dg-require-mkfifo "" }
+
 // Copyright (C) 2003, 2005 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
@@ -38,7 +41,7 @@ void test01()
 
   const char* name = "tmp_fifo_13171-2";
   unlink(name);
-  try_mkfifo(name, S_IRWXU);
+  mkfifo(name, S_IRWXU);
   semaphore s1, s2;
   
   int child = fork();
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13582-2.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13582-2.cc
index 79cd00a..6a7376d 100644
--- a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13582-2.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13582-2.cc
@@ -1,3 +1,6 @@
+// { dg-require-fork "" }
+// { dg-require-mkfifo "" }
+
 // 2004-01-11  Petur Runolfsson  <peturr02@ru.is>
 
 // Copyright (C) 2004, 2005 Free Software Foundation, Inc.
@@ -41,7 +44,7 @@ void test01()
 
   const char* name = "tmp_fifo_13582-2";
   unlink(name);
-  try_mkfifo(name, S_IRWXU);
+  mkfifo(name, S_IRWXU);
 
   int child = fork();
   if (child == 0)
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/13582-2.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/13582-2.cc
index 7491f8c..80fd8e9 100644
--- a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/13582-2.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/13582-2.cc
@@ -1,3 +1,6 @@
+// { dg-require-fork "" }
+// { dg-require-mkfifo "" }
+
 // 2004-01-11  Petur Runolfsson  <peturr02@ru.is>
 
 // Copyright (C) 2004 Free Software Foundation, Inc.
@@ -41,7 +44,7 @@ void test01()
 
   const char* name = "tmp_fifo_13582-2";
   unlink(name);
-  try_mkfifo(name, S_IRWXU);
+  mkfifo(name, S_IRWXU);
   
   int child = fork();
   if (child == 0)
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/14975-2.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/14975-2.cc
index 2e6f9ec..d65b8d0 100644
--- a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/14975-2.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/14975-2.cc
@@ -1,3 +1,6 @@
+// { dg-require-fork "" }
+// { dg-require-mkfifo "" }
+
 // 2004-04-16  Petur Runolfsson  <peturr02@ru.is>
 
 // Copyright (C) 2004, 2005 Free Software Foundation, Inc.
@@ -41,7 +44,7 @@ void test01()
   signal(SIGPIPE, SIG_IGN);
 
   unlink(name);  
-  try_mkfifo(name, S_IRWXU);
+  mkfifo(name, S_IRWXU);
   semaphore s1;
 
   int child = fork();
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/open/char/9507.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/open/char/9507.cc
index 792aeb5..8035a7b 100644
--- a/libstdc++-v3/testsuite/27_io/basic_filebuf/open/char/9507.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/open/char/9507.cc
@@ -1,3 +1,5 @@
+// { dg-require-mkfifo "" }
+
 // Copyright (C) 2001, 2002, 2003, 2005 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
@@ -41,7 +43,7 @@ void test_06()
   signal(SIGPIPE, SIG_IGN);
 
   unlink(name);
-  try_mkfifo(name, S_IRWXU);
+  mkfifo(name, S_IRWXU);
   
   std::filebuf fbuf;
   // The use of ios_base::ate implies an attempt to seek on the file
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/showmanyc/char/9533-1.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/showmanyc/char/9533-1.cc
index 19f0fce..f5126e41 100644
--- a/libstdc++-v3/testsuite/27_io/basic_filebuf/showmanyc/char/9533-1.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/showmanyc/char/9533-1.cc
@@ -1,3 +1,6 @@
+// { dg-require-fork "" }
+// { dg-require-mkfifo "" }
+
 // Copyright (C) 2003 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
@@ -39,7 +42,7 @@ void test_01()
   signal(SIGPIPE, SIG_IGN);
   unlink(name);
   
-  if (0 != try_mkfifo(name, S_IRWXU))
+  if (0 != mkfifo(name, S_IRWXU))
     {
       VERIFY( false );
     }
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/underflow/char/10097.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/underflow/char/10097.cc
index 88ba371..1113f84 100644
--- a/libstdc++-v3/testsuite/27_io/basic_filebuf/underflow/char/10097.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/underflow/char/10097.cc
@@ -1,3 +1,6 @@
+// { dg-require-fork "" }
+// { dg-require-mkfifo "" }
+
 // 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
 
 // Copyright (C) 2001, 2002, 2003, 2005 Free Software Foundation, Inc.
@@ -53,7 +56,7 @@ void test16()
   signal(SIGPIPE, SIG_IGN);
   unlink(name);
   
-  if (0 != try_mkfifo(name, S_IRWXU))
+  if (0 != mkfifo(name, S_IRWXU))
     {
       VERIFY( false );
     }
diff --git a/libstdc++-v3/testsuite/27_io/objects/char/7.cc b/libstdc++-v3/testsuite/27_io/objects/char/7.cc
index 9650f7b..b1b0781 100644
--- a/libstdc++-v3/testsuite/27_io/objects/char/7.cc
+++ b/libstdc++-v3/testsuite/27_io/objects/char/7.cc
@@ -1,3 +1,6 @@
+// { dg-require-fork "" }
+// { dg-require-mkfifo "" }
+
 // 2003-04-26 Petur Runolfsson  <peturr02@ru.is>
 
 // Copyright (C) 2003, 2005 Free Software Foundation, Inc.
@@ -41,7 +44,7 @@ void test07()
   signal(SIGPIPE, SIG_IGN);
 
   unlink(name);  
-  try_mkfifo(name, S_IRWXU);
+  mkfifo(name, S_IRWXU);
   semaphore s1;
 
   int child = fork();
diff --git a/libstdc++-v3/testsuite/27_io/objects/char/9661-1.cc b/libstdc++-v3/testsuite/27_io/objects/char/9661-1.cc
index 51f2de1..7784908 100644
--- a/libstdc++-v3/testsuite/27_io/objects/char/9661-1.cc
+++ b/libstdc++-v3/testsuite/27_io/objects/char/9661-1.cc
@@ -1,3 +1,6 @@
+// { dg-require-fork "" }
+// { dg-require-mkfifo "" }
+
 // 2003-04-30  Petur Runolfsson <peturr02@ru.is>
 
 // Copyright (C) 2003, 2005 Free Software Foundation, Inc.
@@ -42,7 +45,7 @@ void test01()
   signal(SIGPIPE, SIG_IGN);
 
   unlink(name);  
-  try_mkfifo(name, S_IRWXU);
+  mkfifo(name, S_IRWXU);
   semaphore s1, s2;
   
   int child = fork();
diff --git a/libstdc++-v3/testsuite/27_io/objects/wchar_t/7.cc b/libstdc++-v3/testsuite/27_io/objects/wchar_t/7.cc
index f51b3de..9351ca4 100644
--- a/libstdc++-v3/testsuite/27_io/objects/wchar_t/7.cc
+++ b/libstdc++-v3/testsuite/27_io/objects/wchar_t/7.cc
@@ -1,3 +1,6 @@
+// { dg-require-fork "" }
+// { dg-require-mkfifo "" }
+
 // 2003-05-01 Petur Runolfsson  <peturr02@ru.is>
 
 // Copyright (C) 2003, 2005 Free Software Foundation, Inc.
@@ -41,7 +44,7 @@ void test07()
   signal(SIGPIPE, SIG_IGN);
 
   unlink(name);  
-  try_mkfifo(name, S_IRWXU);
+  mkfifo(name, S_IRWXU);
   semaphore s1;
   
   int child = fork();
diff --git a/libstdc++-v3/testsuite/27_io/objects/wchar_t/9661-1.cc b/libstdc++-v3/testsuite/27_io/objects/wchar_t/9661-1.cc
index c9e848a..42b167b 100644
--- a/libstdc++-v3/testsuite/27_io/objects/wchar_t/9661-1.cc
+++ b/libstdc++-v3/testsuite/27_io/objects/wchar_t/9661-1.cc
@@ -1,3 +1,6 @@
+// { dg-require-fork "" }
+// { dg-require-mkfifo "" }
+
 // 2003-04-30  Petur Runolfsson <peturr02@ru.is>
 
 // Copyright (C) 2003, 2005 Free Software Foundation, Inc.
@@ -42,7 +45,7 @@ void test01()
   signal(SIGPIPE, SIG_IGN);
 
   unlink(name);  
-  try_mkfifo(name, S_IRWXU);
+  mkfifo(name, S_IRWXU);
   semaphore s1, s2;
 
   int child = fork();
diff --git a/libstdc++-v3/testsuite/testsuite_hooks.cc b/libstdc++-v3/testsuite/testsuite_hooks.cc
index e8618fb..a5f1b26e 100644
--- a/libstdc++-v3/testsuite/testsuite_hooks.cc
+++ b/libstdc++-v3/testsuite/testsuite_hooks.cc
@@ -233,17 +233,6 @@ namespace __gnu_test
 #endif
   }
 
-  int
-  try_mkfifo (const char* filename, mode_t mode)
-  {
-#if defined (_NEWLIB_VERSION) || defined (__MINGW32_VERSION)
-    /* Newlib and MinGW32 do not have mkfifo.  */
-    exit(0);
-#else
-    return mkfifo(filename, mode);
-#endif
-  }
-
   counter::size_type  counter::count = 0;
   unsigned int copy_constructor::count_ = 0;
   unsigned int copy_constructor::throw_on_ = 0;
diff --git a/libstdc++-v3/testsuite/testsuite_hooks.h b/libstdc++-v3/testsuite/testsuite_hooks.h
index 635ee1c..8b82223 100644
--- a/libstdc++-v3/testsuite/testsuite_hooks.h
+++ b/libstdc++-v3/testsuite/testsuite_hooks.h
@@ -164,9 +164,6 @@ namespace __gnu_test
   std::locale
   try_named_locale(const char* name);
 
-  int
-  try_mkfifo (const char* filename, mode_t mode);
-
 
   // Counting.
   struct counter