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[GNUnet-SVN] [libmicrohttpd] branch master updated: Added detection for
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gnunet |
Subject: |
[GNUnet-SVN] [libmicrohttpd] branch master updated: Added detection for Linux form of sendfile(2) |
Date: |
Sun, 01 Oct 2017 17:46:31 +0200 |
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karlson2k pushed a commit to branch master
in repository libmicrohttpd.
The following commit(s) were added to refs/heads/master by this push:
new e127b8a6 Added detection for Linux form of sendfile(2)
e127b8a6 is described below
commit e127b8a6c4a0a72b5786c50a9b46196143e7af6c
Author: Evgeny Grin (Karlson2k) <address@hidden>
AuthorDate: Sun Oct 1 18:44:45 2017 +0300
Added detection for Linux form of sendfile(2)
---
configure.ac | 39 ++++++++++++++++++++++++++++++++++++++-
src/microhttpd/connection.c | 20 ++++++++++----------
src/microhttpd/internal.h | 4 ++--
3 files changed, 50 insertions(+), 13 deletions(-)
diff --git a/configure.ac b/configure.ac
index 683347ad..e4810e62 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1229,7 +1229,43 @@ AM_CONDITIONAL([HAVE_LIBMAGIC], [[test
"x$mhd_have_libmagic" = "xyes"]])
# large file support (> 4 GB)
AC_SYS_LARGEFILE
AC_FUNC_FSEEKO
-AC_CHECK_FUNCS([lseek64 sendfile64 pread64 pread])
+AC_CHECK_FUNCS([lseek64 pread64 pread])
+
+# check for various sendfile functions
+found_sendfile="no"
+AC_MSG_CHECKING([[for Linux-style sendfile(2)]])
+AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[
+#include <sys/sendfile.h>
+
+static void empty_func(void)
+{
+/* Check for declaration */
+ (void)sendfile;
+}
+/* Declare again to check form match */
+ssize_t sendfile(int, int, off_t*, size_t);
+ ]],
+ [[
+ int fd1, fd2;
+ off_t o = 0;
+ size_t s = 5;
+ ssize_t r;
+ r = sendfile (fd1, fd2, &o, s);
+ empty_func();
+ ]]
+ )
+ ],
+ [
+ AC_DEFINE([HAVE_LINUX_SENDFILE], [1], [Define to 1 if you have linux-style
sendfile(2).])
+ found_sendfile="yes, linux-style"
+ AC_MSG_RESULT([[yes]])
+ AC_CHECK_FUNCS([sendfile64])
+ ],
+ [AC_MSG_RESULT([[no]])
+ ]
+)
# optional: have error messages ?
AC_MSG_CHECKING([[whether to generate error messages]])
@@ -1781,6 +1817,7 @@ AC_MSG_NOTICE([libmicrohttpd ${PACKAGE_VERSION}
Configuration Summary:
HTTPS support: ${MSG_HTTPS}
poll support: ${enable_poll=no}
epoll support: ${enable_epoll=no}
+ sendfile used: ${found_sendfile}
build docs: ${enable_doc}
build examples: ${enable_examples}
])
diff --git a/src/microhttpd/connection.c b/src/microhttpd/connection.c
index 2511230d..a7ad7220 100644
--- a/src/microhttpd/connection.c
+++ b/src/microhttpd/connection.c
@@ -36,9 +36,9 @@
#include "mhd_sockets.h"
#include "mhd_compat.h"
#include "mhd_itc.h"
-#ifdef __linux__
+#ifdef HAVE_LINUX_SENDFILE
#include <sys/sendfile.h>
-#endif
+#endif /* HAVE_LINUX_SENDFILE */
#ifdef HTTPS_SUPPORT
#include "connection_https.h"
#endif /* HTTPS_SUPPORT */
@@ -219,7 +219,7 @@ send_param_adapter (struct MHD_Connection *connection,
}
-#ifdef __linux__
+#ifdef HAVE_LINUX_SENDFILE
/**
* Function for sending responses backed by file FD.
*
@@ -303,7 +303,7 @@ sendfile_adapter (struct MHD_Connection *connection)
#endif /* EPOLL_SUPPORT */
return ret;
}
-#endif /* __linux__ */
+#endif /* HAVE_LINUX_SENDFILE */
/**
@@ -935,7 +935,7 @@ try_ready_normal_body (struct MHD_Connection *connection)
(response->data_size + response->data_start >
connection->response_write_position) )
return MHD_YES; /* response already ready */
-#if LINUX
+#if defined(HAVE_LINUX_SENDFILE)
if (MHD_resp_sender_sendfile == connection->resp_sender)
{
/* will use sendfile, no need to bother response crc */
@@ -2877,15 +2877,15 @@ MHD_connection_handle_write (struct MHD_Connection
*connection)
/* mutex was already unlocked by try_ready_normal_body */
return;
}
-#ifdef __linux__
+#if defined(HAVE_LINUX_SENDFILE)
if (MHD_resp_sender_sendfile == connection->resp_sender)
{
ret = sendfile_adapter (connection);
}
else
-#else /* ! __linux__ */
+#else /* ! HAVE_LINUX_SENDFILE */
if (1)
-#endif /* ! __linux__ */
+#endif /* ! HAVE_LINUX_SENDFILE */
{
data_write_offset = connection->response_write_position
- response->data_start;
@@ -3821,13 +3821,13 @@ MHD_queue_response (struct MHD_Connection *connection,
MHD_increment_response_rc (response);
connection->response = response;
connection->responseCode = status_code;
-#if LINUX
+#if defined(HAVE_LINUX_SENDFILE)
if ( (response->fd == -1) ||
(0 != (connection->daemon->options & MHD_USE_TLS)) )
connection->resp_sender = MHD_resp_sender_std;
else
connection->resp_sender = MHD_resp_sender_sendfile;
-#endif /* LINUX */
+#endif /* HAVE_LINUX_SENDFILE */
if ( ( (NULL != connection->method) &&
(MHD_str_equal_caseless_ (connection->method,
diff --git a/src/microhttpd/internal.h b/src/microhttpd/internal.h
index 602a5d4f..f82a122c 100644
--- a/src/microhttpd/internal.h
+++ b/src/microhttpd/internal.h
@@ -806,13 +806,13 @@ struct MHD_Connection
*/
uint64_t response_write_position;
-#ifdef __linux__
+#if defined(HAVE_LINUX_SENDFILE)
enum MHD_resp_sender_
{
MHD_resp_sender_std = 0,
MHD_resp_sender_sendfile
} resp_sender;
-#endif /* __linux__ */
+#endif /* HAVE_LINUX_SENDFILE */
/**
* Position in the 100 CONTINUE message that
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