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* Fix limited Internet speeds caused by inappropriate socket bufferingCorinna Vinschen2017-02-031-3/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Don't set SO_RCVBUF/SO_SNDBUF to fixed values, thus disabling autotuning. Patch modeled after a patch suggestion from Daniel Havey <dhavey@gmail.com> in https://cygwin.com/ml/cygwin-patches/2017-q1/msg00010.html: At Windows we love what you are doing with Cygwin. However, we have been getting reports from our hardware vendors that iperf is slow on Windows. Iperf is of course compiled against the cygwin1.dll and we believe we have traced the problem down to the function fdsock in net.cc. SO_RCVBUF and SO_SNDBUF are being manually set. The comments indicate that the idea was to increase the buffer size, but, this code must have been written long ago because Windows has used autotuning for a very long time now. Please do not manually set SO_RCVBUF or SO_SNDBUF as this will limit your internet speed. I am providing a patch, an STC and my cygcheck -svr output. Hope we can fix this. Please let me know if I can help further. Simple Test Case: I have a script that pings 4 times and then iperfs for 10 seconds to debit.k-net.fr With patch $ bash buffer_test.sh 178.250.209.22 usage: bash buffer_test.sh <iperf server name> Pinging 178.250.209.22 with 32 bytes of data: Reply from 178.250.209.22: bytes=32 time=167ms TTL=34 Reply from 178.250.209.22: bytes=32 time=173ms TTL=34 Reply from 178.250.209.22: bytes=32 time=173ms TTL=34 Reply from 178.250.209.22: bytes=32 time=169ms TTL=34 Ping statistics for 178.250.209.22: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 167ms, Maximum = 173ms, Average = 170ms ------------------------------------------------------------ Client connecting to 178.250.209.22, TCP port 5001 TCP window size: 64.0 KByte (default) ------------------------------------------------------------ [ 3] local 10.137.196.108 port 58512 connected with 178.250.209.22 port 5001 [ ID] Interval Transfer Bandwidth [ 3] 0.0- 1.0 sec 768 KBytes 6.29 Mbits/sec [ 3] 1.0- 2.0 sec 9.25 MBytes 77.6 Mbits/sec [ 3] 2.0- 3.0 sec 18.0 MBytes 151 Mbits/sec [ 3] 3.0- 4.0 sec 18.0 MBytes 151 Mbits/sec [ 3] 4.0- 5.0 sec 18.0 MBytes 151 Mbits/sec [ 3] 5.0- 6.0 sec 18.0 MBytes 151 Mbits/sec [ 3] 6.0- 7.0 sec 18.0 MBytes 151 Mbits/sec [ 3] 7.0- 8.0 sec 18.0 MBytes 151 Mbits/sec [ 3] 8.0- 9.0 sec 18.0 MBytes 151 Mbits/sec [ 3] 9.0-10.0 sec 18.0 MBytes 151 Mbits/sec [ 3] 0.0-10.0 sec 154 MBytes 129 Mbits/sec Without patch: dahavey@DMH-DESKTOP ~ $ bash buffer_test.sh 178.250.209.22 Pinging 178.250.209.22 with 32 bytes of data: Reply from 178.250.209.22: bytes=32 time=168ms TTL=34 Reply from 178.250.209.22: bytes=32 time=167ms TTL=34 Reply from 178.250.209.22: bytes=32 time=170ms TTL=34 Reply from 178.250.209.22: bytes=32 time=169ms TTL=34 Ping statistics for 178.250.209.22: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 167ms, Maximum = 170ms, Average = 168ms ------------------------------------------------------------ Client connecting to 178.250.209.22, TCP port 5001 TCP window size: 208 KByte (default) ------------------------------------------------------------ [ 3] local 10.137.196.108 port 58443 connected with 178.250.209.22 port 5001 [ ID] Interval Transfer Bandwidth [ 3] 0.0- 1.0 sec 512 KBytes 4.19 Mbits/sec [ 3] 1.0- 2.0 sec 1.50 MBytes 12.6 Mbits/sec [ 3] 2.0- 3.0 sec 1.50 MBytes 12.6 Mbits/sec [ 3] 3.0- 4.0 sec 1.50 MBytes 12.6 Mbits/sec [ 3] 4.0- 5.0 sec 1.50 MBytes 12.6 Mbits/sec [ 3] 5.0- 6.0 sec 1.50 MBytes 12.6 Mbits/sec [ 3] 6.0- 7.0 sec 1.50 MBytes 12.6 Mbits/sec [ 3] 7.0- 8.0 sec 1.50 MBytes 12.6 Mbits/sec [ 3] 8.0- 9.0 sec 1.50 MBytes 12.6 Mbits/sec [ 3] 9.0-10.0 sec 1.50 MBytes 12.6 Mbits/sec [ 3] 0.0-10.1 sec 14.1 MBytes 11.7 Mbits/sec The output shows that the RTT from my machine to the iperf server is similar in both cases (about 170ms) however with the patch the throughput averages 129 Mbps while without the patch the throughput only averages 11.7 Mbps. If we calculate the maximum throughput using Bandwidth = Queue/RTT we get (212992 * 8)/0.170 = 10.0231 Mbps. This is just about what iperf is showing us without the patch since the buffer size is set to 212992 I believe that the buffer size is limiting the throughput. With the patch we have no buffer limitation (autotuning) and can develop the full potential bandwidth on the link. If you want to duplicate the STC you will have to find an iperf server (I found an extreme case) that has a large enough RTT distance from you and try a few times. I get varying results depending on Internet traffic but without the patch never exceed the limit caused by the buffering. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Return the correct value for getsockopt(SO_REUSEADDR) after setting ↵Erik M. Bray2017-01-091-0/+8
| | | | setsockopt(SO_REUSEADDR, 1).
* Send thread names to debuggerJon Turney2016-08-231-0/+1
| | | | | | | | | | | | | | | | | | GDB since commit 24cdb46e [1] can report and use these names. Add utility function SetThreadName(), which sends a thread name to the debugger. Use that: - to set the default thread name for main thread and newly created pthreads. - in pthread_setname_np() for user thread names. - for helper thread names in cygthread::create() - for helper threads which are created directly with CreateThread. Note that there can still be anonymous threads, created by system or injected DLLs. [1] https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=24cdb46e9f0a694b4fbc11085e094857f08c0419
* Remove CYGWIN=detect_bloda optionCorinna Vinschen2016-06-251-12/+0
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* Fix various OS-related commentsCorinna Vinschen2016-06-241-5/+5
| | | | Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* net.cc (fdsock): Fix commentCorinna Vinschen2016-06-241-12/+9
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* Rename if_indextoname to cygwin_if_indextoname (analag for if_nametoindex)Corinna Vinschen2016-06-241-66/+4
| | | | Just call OS functions
* Drop supports_all_posix_ai_flagsCorinna Vinschen2016-06-231-75/+2
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* Drop has_gaa_on_link_prefix flag and remove obsolete functions thuslyCorinna Vinschen2016-06-231-155/+3
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* Handle up to 63 partitions per driveCorinna Vinschen2016-06-231-1/+1
| | | | | | | | | | | | | | Revamp device parsing code. Introducing support for more partitions into the shilka-generated parser has the unfortunate side-effect of raising the size of the DLL by almost 2 Megs. Therefore we split out the handling for /dev/sdXY devices into a tiny bit of hand-written code. While at it, remove some unused cruft from devices.* and generally clean up the device class to provide access methods instead of direct access to members. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Switching the Cygwin DLL to LGPLv3+, dropping commercial buyout optioncygwin-2_5_2-releaseCorinna Vinschen2016-06-231-3/+0
| | | | | | | | | | | | | | Bump GPLv2+ to GPLv3+ for some files, clarify BSD 2-clause. Everything else stays under GPLv3+. New Linking Exception exempts resulting executables from LGPLv3 section 4. Add CONTRIBUTORS file to keep track of licensing. Remove 'Copyright Red Hat Inc' comments. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Throughout Cygwin, use u_intN_t or uintN_tCorinna Vinschen2016-03-241-28/+27
| | | | | | | | | | Don't use u_char, u_short, u_int or u_long in Cygwin, unless it refers to the Winsock types. Use u_intN_t in BSD-based sources, unsigned char where strings are concerned, uintN_t otherwise. Also: * net.cc: Fix comment, we're not using u_long anymore. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Fix return type of get_routedstCorinna Vinschen2016-03-241-1/+1
| | | | | | * net.cc (get_routedst): Correctly return in_addr_t. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Remove unused function convert_ifr_flagsCorinna Vinschen2016-03-241-14/+0
| | | | Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* cygwin_getaddrinfo: workaround Winsock getaddrinfo issue with broken DNSCorinna Vinschen2016-03-141-1/+10
| | | | | | | | | | | | | | | | | | Add experimental code to workaround the issue described in the thread starting at https://cygwin.com/ml/cygwin/2015-07/msg00350.html There's a hint in https://communities.vmware.com/message/2577858#2577858 that this problem is related to using the AI_ALL flag. This patch checks if GetAddrInfoW returned with WSANO_RECOVERY and if the AI_ALL flag was set, it retries GetAddrInfo without the AI_ALL flag. * net.cc (cygwin_getaddrinfo): Add experimental code to retry GetAddrInfoW without AI_ALL flag if it returned with WSANO_RECOVERY. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* getifaddrs: Return pointer to extended interface info in ifa_data memberCorinna Vinschen2016-03-101-22/+23
| | | | | | | | | | | | | | | | According to https://cygwin.com/ml/cygwin/2016-03/msg00124.html it's a problem to collect friendlyname info using AF_INET6 sockets. Fix problem by exposing additional hardware info for all collected interfaces via the pointer in the ifaddrs::ifa_data member. * include/ifaddrs.h (struct ifaddrs_hwdata): Define as struct of not yet exposed members of struct ifall, defined in net.cc. * net.cc (struct ifall): Replace hardware dta members with struct ifaddrs_hwdata. Accommodate throughout. (get_ifs): Let ifaddrs ifa_data member point to ifall::ifa_hwdata member. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Fix length returned from sys_cp_wcstombs in case nwc > # of wcharsCorinna Vinschen2015-10-221-1/+1
| | | | | | | | | | * strfuncs.cc (sys_cp_wcstombs): Always return number of multibytes without trailing NUL as the documentation implies. Throughout Cygwin, fix usage to align to this pattern. * fhandler_process.cc (format_process_winexename): Drop trailing NUL and LF from output. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Add sethostnameCorinna Vinschen2015-06-171-0/+14
| | | | | | | | | | | | * net.cc (sethostname): New function. * common.din (sethostname): Export * include/cygwin/version.h (CYGWIN_VERSION_DLL_MAJOR): Bump to 2001. (CYGWIN_VERSION_DLL_MINOR): Set to 0. * new-features.xml (ov-new): Rename from ov-new1.7. (ov-new2.1): Add new section. Document sethostname. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Handle more Winsock error codes.Corinna Vinschen2015-06-151-0/+3
| | | | Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* * net.cc: Define _NETIOAPI_H_ to accomodate newer w32api.Takashi Yano2015-05-271-1/+2
| | | | Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Fix buffer size error handling in gethostname.Renato Silva2015-04-231-1/+4
| | | | | | * net.cc (cygwin_gethostname): Fix buffer size error handling. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* net.cc: Remove extra braces.Alexey Pavlov2015-03-131-2/+2
| | | | Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* * net.cc (cygwin_inet_pton): Declare.Corinna Vinschen2015-01-231-7/+113
| | | | | | (gethostby_specials): New function. (gethostby_helper): Change returned addrtype in 4-to-6 case. (gethostbyname2): Call gethostby_specials.
* * common.din (sockatmark): Export.Corinna Vinschen2015-01-201-1/+14
| | | | | * net.cc (sockatmark): New function. * include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
* * net.cc (fdsock): Change default values for socket buffers on 32 bitCorinna Vinschen2014-11-201-2/+9
| | | | to fix performance on 10Gb networks.
* * net.cc (cygwin_setsockopt): Drop redundant test for AF_LOCAL andCorinna Vinschen2014-10-131-3/+1
| | | | SOCK_STREAM in SO_PEERCRED case, as in the original patch.
* Add setsockopt(sd, SOL_SOCKET, SO_PEERCRED, NULL, 0) to disableCorinna Vinschen2014-10-111-0/+19
| | | | | | | | | | | | | | | initial handshake on AF_LOCAL sockets. * fhandler.h (class fhandler_socket): Add no_getpeereid status flag. (fhandler_socket::af_local_set_no_getpeereid): New prototype. * fhandler_socket.cc (fhandler_socket::af_local_connect): Skip handshake if no_getpeereid is set. Add debug output. (fhandler_socket::af_local_accept): Likewise. (fhandler_socket::af_local_set_no_getpeereid): New function. (fhandler_socket::af_local_copy): Copy no_getpeereid. (fhandler_socket::getpeereid): Fail if no_getpeereid is set. * net.cc (cygwin_setsockopt): Add SO_PEERCRED for AF_LOCAL/SOCK_STREAM sockets. Add comment to explain why we need it. * include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
* * Throughout, use __try/__except/__endtry blocks, rather than myfaultCorinna Vinschen2014-08-221-854/+919
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | handler. * cygtls.cc (_cygtls::remove): Accommodate the fact that pathbufs has been moved from _local_storage to _cygtls. * cygtls.h (class tls_pathbuf): Add comment to hint to gendef usage of counters. Change type of counters to uint32_t for clarity. Remove _cygtls as friend class. (struct _local_storage): Move pathbufs from here... (struct _cygtls): ...to here, allowing to access it from _sigbe. (class san): Only define on 32 bit. Remove errno, _c_cnt and _w_cnt members. (san::setup): Drop parameter. Don't initialize removed members. (san::leave): Don't set removed members. (class myfault): Only define on 32 bit. (myfault::faulted): Only keep implementation not taking any parameter. Drop argument in call to sebastian.setup. (__try/__leave/__except/__endtry): Implement to support real SEH. For now stick to SJLJ on 32 bit. * dcrt0.cc (dll_crt0_0): Drop 64 bit call to exception::install_myfault_handler. * exception.h (exception_handler): Define with EXCEPTION_DISPOSITION as return type. (PDISPATCHER_CONTEXT): Define as void * on 32 bit. Define as pointer to _DISPATCHER_CONTEXT on 64 bit. (class exception): Define separately for 32 and 64 bit. (exception::myfault): Add handler for myfault SEH handling on 64 bit. (exception::exception): Fix mangled method name to account for change in type of last parameter. (exception::install_myfault_handler): Remove. * exceptions.cc (exception::myfault_handle): Remove. (exception::myfault): New SEH handler for 64 bit. * gendef (_sigbe): Set tls_pathbuf counters to 0 explicitely when returning to the caller. * ntdll.h: Move a comment to a better place. (struct _SCOPE_TABLE): Define on 64 bit. * thread.cc (verifyable_object_isvalid): Remove gcc 4.7 workaround. * tls_pbuf.cc (tls_pbuf): Fix to accommodate new place of pathbufs. (tls_pathbuf::destroy): Change type of loop variables to uint32_t. * tls_pbuf.h (class tmp_pathbuf): Change type of buffer counters to uint32_t. Accommodate new place of pathbufs. * tlsoffsets.h: Regenerate. * tlsoffsets64.h: Regenerate.
* * net.cc (if_freenameindex): Don't catch a SEGV from free to failCorinna Vinschen2014-08-211-3/+0
| | | | loudly on double free.
* * net.cc (cygwin_getaddrinfo): Fix value of hint->ai_addrlen on 64 bit.Corinna Vinschen2014-06-231-0/+10
| | | | Explain why.
* * net.cc (call_gaa): Fix setting pa_ret pointer in case of an errorCorinna Vinschen2014-05-191-6/+8
| | | | | | from GetAdaptersAddresses (CID 60218). (get_ifs): Add missing braces in AF_INET6 case which broke netmask computation. Break out of loop if prefix gets <= 0 (CID 59939).
* * net.cc (cygwin_getsockopt): Rearrange code slightly and handleCorinna Vinschen2014-05-051-24/+19
| | | | TCP_NODELAY just like SO_KEEPALIVE and SO_DONTROUTE.
* * fhandler_socket.cc: On x86_64, define u_long as __ms_u_long beforeCorinna Vinschen2014-04-241-0/+9
| | | | | | | | | | | including the windows headers. Explain why. (get_inet_addr): Convert ANY address to LOOPBACK address. Explain why. (fhandler_socket::evaluate_events): Forcibly set SO_ERROR socket option in case a connection attempt failed. Explain why. (fhandler_socket::ioctl): Drop x86_64 re-definition of u_long here. * fhandler_procnet.cc: On x86_64, define u_long as __ms_u_long before including the windows headers. Explain why. * net.cc: Ditto.
* * net.cc (cygwin_setsockopt): Ignore IPV6_TCLASS the same way as IP_TOS.Corinna Vinschen2014-04-161-1/+10
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* * fhandler_disk_file.cc (fhandler_disk_file::fchown): Fix typo inCorinna Vinschen2014-02-061-2/+2
| | | | | | | | | | | comment. * mount.cc (mount_info::from_fstab): Use tmp_pathbuf rather than stack for big local buffer. * net.cc (cygwin_gethostname): Call GetComputerNameExA rather than GetComputerNameA if gethostname failed. * shared.cc (user_info::initialize): Fix formatting. * include/sys/file.h: Define flock and accompanying macros if not already defined in sys/_default_fcntl.h.
* Throughout, drop unnecessary explicit includes of windows header filesCorinna Vinschen2013-11-241-1/+0
| | | | | | | | | | | | included by default. * winlean.h: Add long comment to explain why we have to define certain symbols. (_NORMALIZE_): Define. (_WINNLS_): Drop definition and subsequent undef. (_WINNETWK_): Ditto. (_WINSVC_): Ditto. 2013-11-23 Eric Blake <eblake@redhat.com>
* * net.cc (cygwin_getaddrinfo): Fix a comment. Only memset whints ifCorinna Vinschen2013-11-191-7/+10
| | | | | | hints is NULL. Add a comment and set whints.ai_family explicitely to AF_UNSPEC to follow glibc man page closely. Check flags against whints for locality.
* * autoload.cc (IdnToAscii): Define.Corinna Vinschen2013-11-191-965/+223
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (IdnToUnicode): Define. (FreeAddrInfoW): Define. (GetAddrInfoW): Define. (GetNameInfoW): Define. * net.cc: Drop W. Richard STEVENS libgai implementation. (cygwin_freeaddrinfo): Move code from ipv4_freeaddrinfo here. Move definition up in file to avoid forward declaration in ga_duplist. (ga_dup): Take addrinfoW as input. Add parameters to get IDN flags and to set error value. Handle IDN flags and especially AI_CANONIDN. Convert input wchar_t ai_canonname string to multibyte for output. (ga_duplist): Add parameters to get IDN flags and to set error value and propagate to ga_dup. Call cygwin_freeaddrinfo. (gai_errmap): Add comments. Align error strings to GLibc. Add EAI_IDN_ENCODE entry. (get_ipv6_funcs): Remove. (load_ipv6_guard): Remove. (ipv6_inited): Remove. (load_ipv6): Remove. (load_ipv6_funcs): Remove. (cygwin_getaddrinfo): Drop calling load_ipv6. Handle AI_IDN* flags. Convert input strings to wchar_t and call GetAddrInfoW/FreeAddrInfoW. In case hints is NULL, set default ai_flags explicitely to AI_V4MAPPED | AI_ADDRCONFIG, as documented for Glibc. Only add AI_ALL if AI_ADDRCONFIG is not given. Unconditionally add Windows-specific AI_DISABLE_IDN_ENCODING to ai_flags to make IDN behaviour compatible to Glibc even on Windows 8 and later. (cygwin_getnameinfo): Drop calling load_ipv6. Handle NI_IDN* flags. Call GetNameInfoW and convert returned strings from wchar_t to multibyte. * include/netdb.h: Add comments to describe flags and error values. (AI_*): Define all flags using hex values for clearness. (AI_IDN): Define. (AI_CANONIDN): Define. (AI_IDN_ALLOW_UNASSIGNED): Define. (AI_IDN_USE_STD3_ASCII_RULES): Define. (NI_*): Define all flags using hex values for clearness. (NI_IDN): Define. (NI_IDN_ALLOW_UNASSIGNED): Define. (NI_IDN_USE_STD3_ASCII_RULES): Define. (EAI_IDN_ENCODE): Define.
* * devices.in (dev_storage): Map /dev/zero and /dev/full to \Device\Null.Corinna Vinschen2013-10-241-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * devices.cc: Regenerate. * dtable.h (struct dtable): Make fhandler_base friend, rather than fhandler_disk_file. * fhandler.cc (fhandler_base::open_with_arch): Create unique id. (fhandler_base::cleanup): Call del_my_locks. (fhandler_base::fcntl): Handle F_GETLK, F_SETLK and F_SETLKW. * fhandler.h (fhandler_base::get_dev): Return real device number. (fhandler_base::set_unique_id): New inline method. (fhandler_disk_file::lock): Drop declaration. (fhandler_disk_file::get_dev): New method, return pc.fs_serial_number. (fhandler_dev_zero::open): Drop declaration. * fhandler_disk_file.cc (fhandler_disk_file::close): Move del_my_locks call to fhandler_base::open_with_arch. (fhandler_disk_file::fcntl): Move handling of locking commands to fhandler_base::fcntl. (fhandler_base::open_fs): Drop call to NtAllocateLocallyUniqueId. * fhandler_zero.cc (fhandler_dev_zero::open): Remove so that default fhandler_base::open is used to open \Device\Null. * flock.cc (fixup_lockf_after_exec): Finding a single fhandler is enough here. (fhandler_base::lock): Replace fhandler_disk_file::lock. Refuse to lock nohandle devices. Handle read/write test using POSIX flags. Explain why. Never fail on SEEK_CUR or SEEK_END, rather assume position 0, just as Linux. * net.cc (fdsock): Create unique id.
* * net.cc (gen_old_if_name): New function to generate short interfaceCorinna Vinschen2013-06-131-2/+52
| | | | | names for old pre-1.7 applications. (get_ifs): Call gen_old_if_name for said old applications.
* * Merge in cygwin-64bit-branch.Corinna Vinschen2013-04-231-268/+103
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* Throughout, update copyrights to reflect dates which correspond to main-branchChristopher Faylor2013-01-211-2/+2
| | | | checkins. Regularize copyright format.
* * fhandler_registry.cc: Drop Mingw.org considerations.Corinna Vinschen2012-11-261-63/+0
| | | | | | | | | | | * fhandler_serial.cc: Ditto. * fhandler_socket.cc: Ditto. * fhandler_tape.cc: Ditto. * fhandler_tty.cc: Ditto. * net.cc: Ditto. * ntdll.h: Ditto. * sched.cc: Ditto. * sec_helper.cc: Ditto.
* * net.cc (get_adapters_addresses): Drop FIXME part of comment.Christopher Faylor2012-08-211-3/+1
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* whitespace cleanupChristopher Faylor2012-08-161-1/+1
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* Add files missing in previous checkinCorinna Vinschen2012-07-061-58/+43
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* * Makefile.in: Add some more optimization flags for cygwait, malloc and ↵Christopher Faylor2012-07-021-0/+2
| | | | | | | | | | | | | | | | | | | | | path. Explain why -fomit-frame-pointer doesn't work right for passwd.o and path.o. Add -static to link command line for cygwin0.dll. * fhandler_disk_file.cc (fhandler_disk_file::facl): Reorganize slightly to silence compiler warning when compiling with -fstack-check. * net.cc (inet_ntop6): Initialize structure members to silence compiler warning when compiling with -fstack-check. * pseudo-reloc.cc (_pei386_runtime_relocator): Make this a C function. Detect NULL u. * winsup.h (_pei386_runtime_relocator): Declare this as extern "C". * lib/_cygwin_crt0_common.cc (_pei386_runtime_relocator): Call with NULL argument. * signal.cc (sigaction_worker): Eliminate last argument. Let callers report their own strace info. Regparmize. (sigaction): Reflect sigaction_worker changes. (siginterrupt): Ditto. * exceptions.cc: Update copyright.
* * net.cc (cygwin_recvfrom): Don't shortcircuit if len == 0. Add commentCorinna Vinschen2012-05-211-3/+15
| | | | | | to explain why. (cygwin_recv): Ditto. (cygwin_recvmsg): Ditto.
* * net.cc (get_adapters_addresses): Only create thread on affectedCorinna Vinschen2012-05-031-4/+8
| | | | | | | | | systems. Change comment acordingly. * wincap.h (wincaps::has_gaa_largeaddress_bug): New element. * wincap.cc: Implement above element throughout. (wincap_8): New globale wincaps to support Windows 8. (wincapc::init): Take Windows 8 into account. Set new has_gaa_largeaddress_bug member to false on 32 bit systems.
* * net.cc (call_gaa): New thread function to call GetAdaptersAddresses.Corinna Vinschen2012-03-081-15/+50
| | | | | (get_adapters_addresses): Call call_gaa. If necessary, call it as child thread. Explain why that's necessary.
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