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[committed] libstdc++: Use <sys/socket.h> features conditionally [PR 100285]

Message ID YIwKnTQmbFwdTHPA@redhat.com
State New
Headers show
Series [committed] libstdc++: Use <sys/socket.h> features conditionally [PR 100285] | expand

Commit Message

Jonathan Wakely April 30, 2021, 1:48 p.m. UTC 
This makes the uses of getsockopt and setsockopt in
<experimental/socket> conditional on the availability of <sys/socket.h>.

It also fixes a test to check for <sys/socket.h> instead of <socket.h>.

libstdc++-v3/ChangeLog:

	PR libstdc++/100285
	* include/experimental/socket (__basic_socket_impl::set_option)
	(__basic_socket_impl::get_option) [!_GLIBCXX_HAVE_SYS_SOCKET_H]:
	Just set error code.
	* testsuite/experimental/net/socket/socket_base.cc: CHeck
	for <sys/socket.h> not <socket.h>.

Tested powerpc64le-linux. Committed to trunk.
commit 0d501c338548152f9d2728d383eec3e9cef16784
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Fri Apr 30 14:25:25 2021

    libstdc++: Use <sys/socket.h> features conditionally [PR 100285]
    
    This makes the uses of getsockopt and setsockopt in
    <experimental/socket> conditional on the availability of <sys/socket.h>.
    
    It also fixes a test to check for <sys/socket.h> instead of <socket.h>.
    
    libstdc++-v3/ChangeLog:
    
            PR libstdc++/100285
            * include/experimental/socket (__basic_socket_impl::set_option)
            (__basic_socket_impl::get_option) [!_GLIBCXX_HAVE_SYS_SOCKET_H]:
            Just set error code.
            * testsuite/experimental/net/socket/socket_base.cc: CHeck
            for <sys/socket.h> not <socket.h>.
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Patch

diff --git a/libstdc++-v3/include/experimental/socket b/libstdc++-v3/include/experimental/socket
index bf6a8c87e67..9db4a245ccf 100644
--- a/libstdc++-v3/include/experimental/socket
+++ b/libstdc++-v3/include/experimental/socket
@@ -622,6 +622,7 @@  inline namespace v1
 	void
 	set_option(const _SettableSocketOption& __option, error_code& __ec)
 	{
+# ifdef _GLIBCXX_HAVE_SYS_SOCKET_H
 	  int __result = ::setsockopt(_M_sockfd, __option.level(_M_protocol),
 				      __option.name(_M_protocol),
 				      __option.data(_M_protocol),
@@ -630,12 +631,16 @@  inline namespace v1
 	    __ec.assign(errno, generic_category());
 	  else
 	    __ec.clear();
+#else
+	  __ec = std::make_error_code(std::errc::not_supported);
+#endif
 	}
 
       template<typename _GettableSocketOption>
 	void
 	get_option(_GettableSocketOption& __option, error_code& __ec) const
 	{
+# ifdef _GLIBCXX_HAVE_SYS_SOCKET_H
 	  int __result = ::getsockopt(_M_sockfd, __option.level(_M_protocol),
 				      __option.name(_M_protocol),
 				      __option.data(_M_protocol),
@@ -644,6 +649,9 @@  inline namespace v1
 	    __ec.assign(errno, generic_category());
 	  else
 	    __ec.clear();
+#else
+	  __ec = std::make_error_code(std::errc::not_supported);
+#endif
 	}
 
       template<typename _IoControlCommand>
diff --git a/libstdc++-v3/testsuite/experimental/net/socket/socket_base.cc b/libstdc++-v3/testsuite/experimental/net/socket/socket_base.cc
index 1c02c5a09da..f957b6c92f6 100644
--- a/libstdc++-v3/testsuite/experimental/net/socket/socket_base.cc
+++ b/libstdc++-v3/testsuite/experimental/net/socket/socket_base.cc
@@ -129,7 +129,7 @@  void check_integer_sockopt()
 
 void test_option_types()
 {
-#if __has_include(<socket.h>)
+#if __has_include(<sys/socket.h>)
   check_boolean_sockopt<S::broadcast>();
 
   check_boolean_sockopt<S::debug>();
@@ -174,7 +174,7 @@  void test_option_types()
 
 void test_constants()
 {
-#if __has_include(<socket.h>)
+#if __has_include(<sys/socket.h>)
   static_assert( is_enum<S::shutdown_type>::value, "" );
   static_assert( S::shutdown_receive != S::shutdown_send, "" );
   static_assert( S::shutdown_receive != S::shutdown_both, "" );