diff options
author | cvs2svn <> | 2006-03-21 03:57:35 +0300 |
---|---|---|
committer | cvs2svn <> | 2006-03-21 03:57:35 +0300 |
commit | f84325d0899e5052fd59892ece265f7c2bd6c6a7 (patch) | |
tree | fdbea2e5c834b2c023ecd6f1f15ea1474186a4e1 /winsup/cygwin/pipe.cc | |
parent | 3078fb4f360e44b436bafcd9e7c51f26792e34b4 (diff) |
This commit was manufactured by cvs2svn to create branch 'newlib-newlib-csl-20060320-branchpoint
csl-20060320-branch'.
Sprout from master 2006-03-21 00:57:34 UTC Mark Mitchell <mark@codesourcery.com> ' * acconfig.h (_ATEXIT_DYNAMIC_ALLOC): Undef.'
Cherrypick from cygnus 1999-05-03 07:29:06 UTC Richard Henderson <rth@redhat.com> '19990502 sourceware import':
README
config/mh-armpic
config/mh-elfalphapic
config/mh-m68kpic
config/mh-papic
config/mh-ppcpic
config/mh-x86pic
config/mt-d30v
config/mt-netware
config/mt-ospace
etc/add-log.el
etc/add-log.vi
etc/configbuild.ein
etc/configbuild.fig
etc/configbuild.jin
etc/configbuild.tin
etc/configdev.ein
etc/configdev.fig
etc/configdev.jin
etc/configdev.tin
etc/configure
etc/configure.in
makefile.vms
Delete:
compile
djunpack.bat
include/COPYING
include/ChangeLog
include/ChangeLog-9103
include/MAINTAINERS
include/alloca-conf.h
include/ansidecl.h
include/aout/ChangeLog
include/aout/adobe.h
include/aout/aout64.h
include/aout/ar.h
include/aout/dynix3.h
include/aout/encap.h
include/aout/host.h
include/aout/hp.h
include/aout/hp300hpux.h
include/aout/hppa.h
include/aout/ranlib.h
include/aout/reloc.h
include/aout/stab.def
include/aout/stab_gnu.h
include/aout/sun4.h
include/bfdlink.h
include/bin-bugs.h
include/bout.h
include/coff/ChangeLog
include/coff/ChangeLog-9103
include/coff/alpha.h
include/coff/apollo.h
include/coff/arm.h
include/coff/aux-coff.h
include/coff/ecoff.h
include/coff/external.h
include/coff/go32exe.h
include/coff/h8300.h
include/coff/h8500.h
include/coff/i386.h
include/coff/i860.h
include/coff/i960.h
include/coff/ia64.h
include/coff/internal.h
include/coff/m68k.h
include/coff/m88k.h
include/coff/maxq.h
include/coff/mcore.h
include/coff/mips.h
include/coff/mipspe.h
include/coff/or32.h
include/coff/pe.h
include/coff/powerpc.h
include/coff/rs6000.h
include/coff/rs6k64.h
include/coff/sh.h
include/coff/sparc.h
include/coff/sym.h
include/coff/symconst.h
include/coff/ti.h
include/coff/tic30.h
include/coff/tic4x.h
include/coff/tic54x.h
include/coff/tic80.h
include/coff/w65.h
include/coff/we32k.h
include/coff/xcoff.h
include/coff/z80.h
include/coff/z8k.h
include/demangle.h
include/dis-asm.h
include/dyn-string.h
include/elf/ChangeLog
include/elf/ChangeLog-9103
include/elf/alpha.h
include/elf/arc.h
include/elf/arm.h
include/elf/avr.h
include/elf/bfin.h
include/elf/common.h
include/elf/cr16c.h
include/elf/cris.h
include/elf/crx.h
include/elf/d10v.h
include/elf/d30v.h
include/elf/dlx.h
include/elf/dwarf.h
include/elf/dwarf2.h
include/elf/external.h
include/elf/fr30.h
include/elf/frv.h
include/elf/h8.h
include/elf/hppa.h
include/elf/i370.h
include/elf/i386.h
include/elf/i860.h
include/elf/i960.h
include/elf/ia64.h
include/elf/internal.h
include/elf/ip2k.h
include/elf/iq2000.h
include/elf/m32c.h
include/elf/m32r.h
include/elf/m68hc11.h
include/elf/m68k.h
include/elf/mcore.h
include/elf/mips.h
include/elf/mmix.h
include/elf/mn10200.h
include/elf/mn10300.h
include/elf/msp430.h
include/elf/mt.h
include/elf/openrisc.h
include/elf/or32.h
include/elf/pj.h
include/elf/ppc.h
include/elf/ppc64.h
include/elf/reloc-macros.h
include/elf/s390.h
include/elf/sh.h
include/elf/sparc.h
include/elf/v850.h
include/elf/vax.h
include/elf/x86-64.h
include/elf/xc16x.h
include/elf/xstormy16.h
include/elf/xtensa.h
include/fibheap.h
include/filenames.h
include/floatformat.h
include/fnmatch.h
include/fopen-bin.h
include/fopen-same.h
include/fopen-vms.h
include/gdb/ChangeLog
include/gdb/callback.h
include/gdb/fileio.h
include/gdb/remote-sim.h
include/gdb/signals.h
include/gdb/sim-arm.h
include/gdb/sim-d10v.h
include/gdb/sim-frv.h
include/gdb/sim-h8300.h
include/gdb/sim-m32c.h
include/gdb/sim-ppc.h
include/gdb/sim-sh.h
include/gdbm.h
include/getopt.h
include/hashtab.h
include/hp-symtab.h
include/ieee.h
include/libiberty.h
include/md5.h
include/nlm/ChangeLog
include/nlm/alpha-ext.h
include/nlm/common.h
include/nlm/external.h
include/nlm/i386-ext.h
include/nlm/internal.h
include/nlm/ppc-ext.h
include/nlm/sparc32-ext.h
include/oasys.h
include/objalloc.h
include/obstack.h
include/opcode/ChangeLog
include/opcode/ChangeLog-9103
include/opcode/alpha.h
include/opcode/arc.h
include/opcode/arm.h
include/opcode/avr.h
include/opcode/bfin.h
include/opcode/cgen-bitset.h
include/opcode/cgen.h
include/opcode/convex.h
include/opcode/cris.h
include/opcode/crx.h
include/opcode/d10v.h
include/opcode/d30v.h
include/opcode/dlx.h
include/opcode/h8300.h
include/opcode/hppa.h
include/opcode/i370.h
include/opcode/i386.h
include/opcode/i860.h
include/opcode/i960.h
include/opcode/ia64.h
include/opcode/m68hc11.h
include/opcode/m68k.h
include/opcode/m88k.h
include/opcode/maxq.h
include/opcode/mips.h
include/opcode/mmix.h
include/opcode/mn10200.h
include/opcode/mn10300.h
include/opcode/msp430.h
include/opcode/np1.h
include/opcode/ns32k.h
include/opcode/or32.h
include/opcode/pdp11.h
include/opcode/pj.h
include/opcode/pn.h
include/opcode/ppc.h
include/opcode/pyr.h
include/opcode/s390.h
include/opcode/sparc.h
include/opcode/tahoe.h
include/opcode/tic30.h
include/opcode/tic4x.h
include/opcode/tic54x.h
include/opcode/tic80.h
include/opcode/v850.h
include/opcode/vax.h
include/os9k.h
include/partition.h
include/progress.h
include/safe-ctype.h
include/sort.h
include/splay-tree.h
include/symcat.h
include/ternary.h
include/xregex.h
include/xregex2.h
include/xtensa-config.h
include/xtensa-isa-internal.h
include/xtensa-isa.h
winsup/COPYING
winsup/CYGWIN_LICENSE
winsup/ChangeLog
winsup/Makefile.common
winsup/Makefile.in
winsup/README
winsup/configure
winsup/configure.in
winsup/cygserver/ChangeLog
winsup/cygserver/Makefile.in
winsup/cygserver/README
winsup/cygserver/bsd_helper.cc
winsup/cygserver/bsd_helper.h
winsup/cygserver/bsd_log.cc
winsup/cygserver/bsd_log.h
winsup/cygserver/bsd_mutex.cc
winsup/cygserver/bsd_mutex.h
winsup/cygserver/client.cc
winsup/cygserver/configure
winsup/cygserver/configure.in
winsup/cygserver/cygserver-config
winsup/cygserver/cygserver.cc
winsup/cygserver/cygserver.conf
winsup/cygserver/msg.cc
winsup/cygserver/process.cc
winsup/cygserver/process.h
winsup/cygserver/sem.cc
winsup/cygserver/shm.cc
winsup/cygserver/sysv_msg.cc
winsup/cygserver/sysv_sem.cc
winsup/cygserver/sysv_shm.cc
winsup/cygserver/threaded_queue.cc
winsup/cygserver/threaded_queue.h
winsup/cygserver/transport.cc
winsup/cygserver/transport.h
winsup/cygserver/transport_pipes.cc
winsup/cygserver/transport_pipes.h
winsup/cygserver/transport_sockets.cc
winsup/cygserver/transport_sockets.h
winsup/cygserver/wincap.cc
winsup/cygserver/wincap.h
winsup/cygserver/woutsup.h
winsup/cygwin/CYGWIN_LICENSE
winsup/cygwin/ChangeLog
winsup/cygwin/ChangeLog-1995
winsup/cygwin/ChangeLog-1996
winsup/cygwin/ChangeLog-1997
winsup/cygwin/ChangeLog-1998
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winsup/cygwin/ChangeLog-2005
winsup/cygwin/Makefile.in
winsup/cygwin/ROADMAP
winsup/cygwin/acconfig.h
winsup/cygwin/analyze_sigfe
winsup/cygwin/ansi.sgml
winsup/cygwin/assert.cc
winsup/cygwin/autoload.cc
winsup/cygwin/automode.c
winsup/cygwin/binmode.c
winsup/cygwin/child_info.h
winsup/cygwin/config.h.in
winsup/cygwin/config/i386/profile.h
winsup/cygwin/configure
winsup/cygwin/configure.in
winsup/cygwin/cpuid.h
winsup/cygwin/crt0.c
winsup/cygwin/ctype.cc
winsup/cygwin/cxx.cc
winsup/cygwin/cygerrno.h
winsup/cygwin/cygheap.cc
winsup/cygwin/cygheap.h
winsup/cygwin/cygmagic
winsup/cygwin/cygmalloc.h
winsup/cygwin/cygserver.h
winsup/cygwin/cygserver_ipc.h
winsup/cygwin/cygserver_msg.h
winsup/cygwin/cygserver_sem.h
winsup/cygwin/cygserver_shm.h
winsup/cygwin/cygthread.cc
winsup/cygwin/cygthread.h
winsup/cygwin/cygtls.cc
winsup/cygwin/cygtls.h
winsup/cygwin/cygwin-shilka
winsup/cygwin/cygwin.din
winsup/cygwin/cygwin.sc
winsup/cygwin/cygwin_version.h
winsup/cygwin/dcrt0.cc
winsup/cygwin/debug.cc
winsup/cygwin/debug.h
winsup/cygwin/delqueue.cc
winsup/cygwin/devices.cc
winsup/cygwin/devices.h
winsup/cygwin/devices.in
winsup/cygwin/dir.cc
winsup/cygwin/dlfcn.cc
winsup/cygwin/dll_init.cc
winsup/cygwin/dll_init.h
winsup/cygwin/dll_init.sgml
winsup/cygwin/dllfixdbg
winsup/cygwin/dlmalloc.c
winsup/cygwin/dlmalloc.h
winsup/cygwin/dtable.cc
winsup/cygwin/dtable.h
winsup/cygwin/dtable.sgml
winsup/cygwin/environ.cc
winsup/cygwin/environ.h
winsup/cygwin/errno.cc
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winsup/cygwin/exec.cc
winsup/cygwin/external.cc
winsup/cygwin/external.sgml
winsup/cygwin/fcntl.cc
winsup/cygwin/fhandler.cc
winsup/cygwin/fhandler.h
winsup/cygwin/fhandler_clipboard.cc
winsup/cygwin/fhandler_console.cc
winsup/cygwin/fhandler_disk_file.cc
winsup/cygwin/fhandler_dsp.cc
winsup/cygwin/fhandler_fifo.cc
winsup/cygwin/fhandler_floppy.cc
winsup/cygwin/fhandler_mailslot.cc
winsup/cygwin/fhandler_mem.cc
winsup/cygwin/fhandler_netdrive.cc
winsup/cygwin/fhandler_nodevice.cc
winsup/cygwin/fhandler_proc.cc
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winsup/cygwin/fhandler_random.cc
winsup/cygwin/fhandler_raw.cc
winsup/cygwin/fhandler_registry.cc
winsup/cygwin/fhandler_serial.cc
winsup/cygwin/fhandler_socket.cc
winsup/cygwin/fhandler_tape.cc
winsup/cygwin/fhandler_termios.cc
winsup/cygwin/fhandler_tty.cc
winsup/cygwin/fhandler_virtual.cc
winsup/cygwin/fhandler_windows.cc
winsup/cygwin/fhandler_zero.cc
winsup/cygwin/flock.cc
winsup/cygwin/fork.cc
winsup/cygwin/gcrt0.c
winsup/cygwin/gendef
winsup/cygwin/gendevices
winsup/cygwin/gentls_offsets
winsup/cygwin/glob.c
winsup/cygwin/gmon.c
winsup/cygwin/gmon.h
winsup/cygwin/grp.cc
winsup/cygwin/heap.cc
winsup/cygwin/heap.h
winsup/cygwin/hires.h
winsup/cygwin/hookapi.cc
winsup/cygwin/how-autoload-works.txt
winsup/cygwin/how-cygheap-works.txt
winsup/cygwin/how-cygtls-works.txt
winsup/cygwin/how-fhandlers-work.txt
winsup/cygwin/how-signals-work.txt
winsup/cygwin/how-spawn-works.txt
winsup/cygwin/how-to-debug-cygwin.txt
winsup/cygwin/how-vfork-works.txt
winsup/cygwin/include/a.out.h
winsup/cygwin/include/arpa/ftp.h
winsup/cygwin/include/arpa/inet.h
winsup/cygwin/include/arpa/telnet.h
winsup/cygwin/include/asm/byteorder.h
winsup/cygwin/include/asm/socket.h
winsup/cygwin/include/asm/types.h
winsup/cygwin/include/byteswap.h
winsup/cygwin/include/ctype.h
winsup/cygwin/include/cygwin/_types.h
winsup/cygwin/include/cygwin/acl.h
winsup/cygwin/include/cygwin/config.h
winsup/cygwin/include/cygwin/core_dump.h
winsup/cygwin/include/cygwin/cygwin_dll.h
winsup/cygwin/include/cygwin/fs.h
winsup/cygwin/include/cygwin/grp.h
winsup/cygwin/include/cygwin/hdreg.h
winsup/cygwin/include/cygwin/icmp.h
winsup/cygwin/include/cygwin/if.h
winsup/cygwin/include/cygwin/in.h
winsup/cygwin/include/cygwin/in_systm.h
winsup/cygwin/include/cygwin/ipc.h
winsup/cygwin/include/cygwin/msg.h
winsup/cygwin/include/cygwin/mtio.h
winsup/cygwin/include/cygwin/rdevio.h
winsup/cygwin/include/cygwin/sem.h
winsup/cygwin/include/cygwin/shm.h
winsup/cygwin/include/cygwin/signal.h
winsup/cygwin/include/cygwin/socket.h
winsup/cygwin/include/cygwin/sockios.h
winsup/cygwin/include/cygwin/stat.h
winsup/cygwin/include/cygwin/stdlib.h
winsup/cygwin/include/cygwin/sys_time.h
winsup/cygwin/include/cygwin/sysproto.h
winsup/cygwin/include/cygwin/time.h
winsup/cygwin/include/cygwin/types.h
winsup/cygwin/include/cygwin/uio.h
winsup/cygwin/include/cygwin/utmp.h
winsup/cygwin/include/cygwin/version.h
winsup/cygwin/include/dlfcn.h
winsup/cygwin/include/elf.h
winsup/cygwin/include/endian.h
winsup/cygwin/include/err.h
winsup/cygwin/include/exceptions.h
winsup/cygwin/include/fcntl.h
winsup/cygwin/include/features.h
winsup/cygwin/include/fnmatch.h
winsup/cygwin/include/fts.h
winsup/cygwin/include/ftw.h
winsup/cygwin/include/getopt.h
winsup/cygwin/include/glob.h
winsup/cygwin/include/icmp.h
winsup/cygwin/include/inttypes.h
winsup/cygwin/include/io.h
winsup/cygwin/include/lastlog.h
winsup/cygwin/include/libgen.h
winsup/cygwin/include/limits.h
winsup/cygwin/include/machine/stdlib.h
winsup/cygwin/include/mapi.h
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winsup/cygwin/include/mntent.h
winsup/cygwin/include/net/if.h
winsup/cygwin/include/netdb.h
winsup/cygwin/include/netinet/in.h
winsup/cygwin/include/netinet/in_systm.h
winsup/cygwin/include/netinet/ip.h
winsup/cygwin/include/netinet/ip_icmp.h
winsup/cygwin/include/netinet/tcp.h
winsup/cygwin/include/netinet/udp.h
winsup/cygwin/include/paths.h
winsup/cygwin/include/poll.h
winsup/cygwin/include/pthread.h
winsup/cygwin/include/pty.h
winsup/cygwin/include/sched.h
winsup/cygwin/include/search.h
winsup/cygwin/include/semaphore.h
winsup/cygwin/include/stdint.h
winsup/cygwin/include/strings.h
winsup/cygwin/include/sys/acl.h
winsup/cygwin/include/sys/cdefs.h
winsup/cygwin/include/sys/copying.dj
winsup/cygwin/include/sys/cygwin.h
winsup/cygwin/include/sys/dirent.h
winsup/cygwin/include/sys/elf32.h
winsup/cygwin/include/sys/elf64.h
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winsup/cygwin/include/sys/elf_generic.h
winsup/cygwin/include/sys/file.h
winsup/cygwin/include/sys/ioctl.h
winsup/cygwin/include/sys/ipc.h
winsup/cygwin/include/sys/lock.h
winsup/cygwin/include/sys/mman.h
winsup/cygwin/include/sys/mount.h
winsup/cygwin/include/sys/msg.h
winsup/cygwin/include/sys/mtio.h
winsup/cygwin/include/sys/param.h
winsup/cygwin/include/sys/poll.h
winsup/cygwin/include/sys/procfs.h
winsup/cygwin/include/sys/queue.h
winsup/cygwin/include/sys/resource.h
winsup/cygwin/include/sys/select.h
winsup/cygwin/include/sys/sem.h
winsup/cygwin/include/sys/shm.h
winsup/cygwin/include/sys/smallprint.h
winsup/cygwin/include/sys/socket.h
winsup/cygwin/include/sys/soundcard.h
winsup/cygwin/include/sys/statfs.h
winsup/cygwin/include/sys/statvfs.h
winsup/cygwin/include/sys/stdio.h
winsup/cygwin/include/sys/strace.h
winsup/cygwin/include/sys/syslog.h
winsup/cygwin/include/sys/sysmacros.h
winsup/cygwin/include/sys/sysproto.h
winsup/cygwin/include/sys/termio.h
winsup/cygwin/include/sys/termios.h
winsup/cygwin/include/sys/ttychars.h
winsup/cygwin/include/sys/uio.h
winsup/cygwin/include/sys/un.h
winsup/cygwin/include/sys/utime.h
winsup/cygwin/include/sys/utmp.h
winsup/cygwin/include/sys/utsname.h
winsup/cygwin/include/sys/vfs.h
winsup/cygwin/include/sys/wait.h
winsup/cygwin/include/sysexits.h
winsup/cygwin/include/syslog.h
winsup/cygwin/include/termio.h
winsup/cygwin/include/tzfile.h
winsup/cygwin/include/utmpx.h
winsup/cygwin/init.cc
winsup/cygwin/ioctl.cc
winsup/cygwin/ipc.cc
winsup/cygwin/lib/_cygwin_crt0_common.cc
winsup/cygwin/lib/crt0.h
winsup/cygwin/lib/cygwin_attach_dll.c
winsup/cygwin/lib/cygwin_crt0.c
winsup/cygwin/lib/dll_entry.c
winsup/cygwin/lib/dll_main.cc
winsup/cygwin/lib/libcmain.c
winsup/cygwin/lib/premain0.c
winsup/cygwin/lib/premain1.c
winsup/cygwin/lib/premain2.c
winsup/cygwin/lib/premain3.c
winsup/cygwin/lib/pseudo-reloc.c
winsup/cygwin/libc/bsdlib.cc
winsup/cygwin/libc/fnmatch.c
winsup/cygwin/libc/fts.c
winsup/cygwin/libc/ftw.c
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winsup/cygwin/libc/memmem.cc
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winsup/cygwin/libc/timelocal.h
winsup/cygwin/localtime.cc
winsup/cygwin/lsearch.cc
winsup/cygwin/malloc.cc
winsup/cygwin/malloc_wrapper.cc
winsup/cygwin/mcount.c
winsup/cygwin/misc-std.sgml
winsup/cygwin/miscfuncs.cc
winsup/cygwin/mktemp.cc
winsup/cygwin/mkvers.sh
winsup/cygwin/mmap.cc
winsup/cygwin/msg.cc
winsup/cygwin/mtinfo.h
winsup/cygwin/net.cc
winsup/cygwin/netdb.cc
winsup/cygwin/newsym
winsup/cygwin/ntdll.h
winsup/cygwin/ntea.cc
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winsup/utils/aclocal.m4
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winsup/utils/configure.in
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winsup/w32api/lib/dnsapi.def
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winsup/w32api/lib/mswsock.def
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winsup/w32api/lib/nddeapi.def
winsup/w32api/lib/netapi32.def
winsup/w32api/lib/ntdll.def
winsup/w32api/lib/odbc32.def
winsup/w32api/lib/odbccp32.def
winsup/w32api/lib/ole32.def
winsup/w32api/lib/oleacc.def
winsup/w32api/lib/oleaut32.def
winsup/w32api/lib/olecli32.def
winsup/w32api/lib/oledlg.def
winsup/w32api/lib/olepro32.def
winsup/w32api/lib/olesvr32.def
winsup/w32api/lib/opengl32.def
winsup/w32api/lib/penwin32.def
winsup/w32api/lib/pkpd32.def
winsup/w32api/lib/powrprof.def
winsup/w32api/lib/psapi.def
winsup/w32api/lib/rapi.def
winsup/w32api/lib/rasapi32.def
winsup/w32api/lib/rasdlg.def
winsup/w32api/lib/res.rc
winsup/w32api/lib/rpcdce4.def
winsup/w32api/lib/rpcns4.def
winsup/w32api/lib/rpcrt4.def
winsup/w32api/lib/scrnsave.c
winsup/w32api/lib/secur32.def
winsup/w32api/lib/setupapi.def
winsup/w32api/lib/shell32.c
winsup/w32api/lib/shell32.def
winsup/w32api/lib/shfolder.def
winsup/w32api/lib/shlwapi.def
winsup/w32api/lib/snmpapi.def
winsup/w32api/lib/svrapi.def
winsup/w32api/lib/tapi32.def
winsup/w32api/lib/test.c
winsup/w32api/lib/th32.def
winsup/w32api/lib/thunk32.def
winsup/w32api/lib/url.def
winsup/w32api/lib/user32.def
winsup/w32api/lib/userenv.def
winsup/w32api/lib/uuid.c
winsup/w32api/lib/uxtheme.def
winsup/w32api/lib/vdmdbg.def
winsup/w32api/lib/version.def
winsup/w32api/lib/vfw32.mri
winsup/w32api/lib/win32spl.def
winsup/w32api/lib/wininet.def
winsup/w32api/lib/winmm.def
winsup/w32api/lib/winspool.def
winsup/w32api/lib/winstrm.def
winsup/w32api/lib/wldap32.def
winsup/w32api/lib/wow32.def
winsup/w32api/lib/ws2_32.c
winsup/w32api/lib/ws2_32.def
winsup/w32api/lib/wsnmp32.def
winsup/w32api/lib/wsock32.def
winsup/w32api/lib/wst.def
winsup/w32api/lib/wtsapi32.def
Diffstat (limited to 'winsup/cygwin/pipe.cc')
-rw-r--r-- | winsup/cygwin/pipe.cc | 538 |
1 files changed, 0 insertions, 538 deletions
diff --git a/winsup/cygwin/pipe.cc b/winsup/cygwin/pipe.cc deleted file mode 100644 index a01a2dc39..000000000 --- a/winsup/cygwin/pipe.cc +++ /dev/null @@ -1,538 +0,0 @@ -/* pipe.cc: pipe for Cygwin. - - Copyright 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004, - 2005 Red Hat, Inc. - -This file is part of Cygwin. - -This software is a copyrighted work licensed under the terms of the -Cygwin license. Please consult the file "CYGWIN_LICENSE" for -details. */ - -/* FIXME: Should this really be fhandler_pipe.cc? */ - -#include "winsup.h" -#include <unistd.h> -#include <stdlib.h> -#include <sys/socket.h> -#include <limits.h> -#include "cygerrno.h" -#include "security.h" -#include "path.h" -#include "fhandler.h" -#include "dtable.h" -#include "cygheap.h" -#include "thread.h" -#include "pinfo.h" -#include "cygthread.h" -#include "ntdll.h" - -static unsigned pipecount; -static const NO_COPY char pipeid_fmt[] = "stupid_pipe.%u.%u"; - -fhandler_pipe::fhandler_pipe () - : fhandler_base (), guard (NULL), broken_pipe (false), writepipe_exists(0), - orig_pid (0), id (0) -{ -} - -extern "C" int sscanf (const char *, const char *, ...); - -int -fhandler_pipe::open (int flags, mode_t mode) -{ - HANDLE proc, pipe_hdl, nio_hdl = NULL, nwrp_hdl = NULL; - fhandler_pipe *fh = NULL; - size_t size; - int pid, rwflags = (flags & O_ACCMODE); - - sscanf (get_name (), "/proc/%d/fd/pipe:[%d]", &pid, (int *) &pipe_hdl); - if (pid == myself->pid) - { - cygheap_fdenum cfd (true); - while (cfd.next () >= 0) - { - if (cfd->get_handle () != pipe_hdl) - continue; - if ((rwflags == O_RDONLY && !(cfd->get_access () & GENERIC_READ)) - || (rwflags == O_WRONLY && !(cfd->get_access () & GENERIC_WRITE))) - { - set_errno (EACCES); - return 0; - } - if (!cfd->dup (this)) - return 1; - return 0; - } - set_errno (ENOENT); - return 0; - } - - pinfo p (pid); - if (!p) - { - set_errno (ESRCH); - return 0; - } - if (!(proc = OpenProcess (PROCESS_DUP_HANDLE, false, p->dwProcessId))) - { - __seterrno (); - return 0; - } - if (!(fh = p->pipe_fhandler (pipe_hdl, size)) || !size) - { - set_errno (ENOENT); - goto out; - } - /* Too bad, but Windows only allows the same access mode when dup'ing - the pipe. */ - if ((rwflags == O_RDONLY && !(fh->get_access () & GENERIC_READ)) - || (rwflags == O_WRONLY && !(fh->get_access () & GENERIC_WRITE))) - { - set_errno (EACCES); - goto out; - } - if (!DuplicateHandle (proc, pipe_hdl, hMainProc, &nio_hdl, - 0, false, DUPLICATE_SAME_ACCESS)) - { - __seterrno (); - goto out; - } - if (fh->writepipe_exists - && !DuplicateHandle (proc, fh->writepipe_exists, - hMainProc, &nwrp_hdl, - 0, false, DUPLICATE_SAME_ACCESS)) - { - __seterrno (); - goto out; - } - if (fh->read_state) - { - create_read_state (2); - need_fork_fixup (true); - ProtectHandle1 (read_state, read_state); - } - if (fh->get_guard ()) - create_guard ((flags & O_NOINHERIT) ? &sec_none_nih : &sec_none); - init (nio_hdl, fh->get_access (), mode & O_TEXT ?: O_BINARY); - writepipe_exists = nwrp_hdl; - if (flags & O_NOINHERIT) - close_on_exec (true); - uninterruptible_io (fh->uninterruptible_io ()); - cfree (fh); - CloseHandle (proc); - return 1; -out: - if (nwrp_hdl) - CloseHandle (nwrp_hdl); - if (nio_hdl) - CloseHandle (nio_hdl); - if (fh) - free (fh); - if (proc) - CloseHandle (proc); - return 0; -} - -_off64_t -fhandler_pipe::lseek (_off64_t offset, int whence) -{ - debug_printf ("(%d, %d)", offset, whence); - set_errno (ESPIPE); - return -1; -} - -void -fhandler_pipe::set_close_on_exec (bool val) -{ - fhandler_base::set_close_on_exec (val); - if (guard) - set_no_inheritance (guard, val); - if (writepipe_exists) - set_no_inheritance (writepipe_exists, val); -} - -char *fhandler_pipe::get_proc_fd_name (char *buf) -{ - __small_sprintf (buf, "pipe:[%d]", get_handle ()); - return buf; -} - -struct pipeargs -{ - fhandler_base *fh; - void *ptr; - size_t *len; -}; - -static DWORD WINAPI -read_pipe (void *arg) -{ - pipeargs *pi = (pipeargs *) arg; - pi->fh->fhandler_base::read (pi->ptr, *pi->len); - return 0; -} - -void __stdcall -fhandler_pipe::read (void *in_ptr, size_t& in_len) -{ - if (broken_pipe) - in_len = 0; - else - { - pipeargs pi = {dynamic_cast<fhandler_base *>(this), in_ptr, &in_len}; - cygthread *th = new cygthread (read_pipe, 0, &pi, "read_pipe"); - if (th->detach (read_state) && !in_len) - in_len = (size_t) -1; /* received a signal */ - } - ReleaseMutex (guard); -} - -int -fhandler_pipe::close () -{ - if (guard) - CloseHandle (guard); - if (writepipe_exists) - CloseHandle (writepipe_exists); -#ifndef NEWVFORK - if (read_state) -#else - // FIXME is this vfork_cleanup test right? Is it responsible for some of - // the strange pipe behavior that has been reported in the cygwin mailing - // list? - if (read_state && !cygheap->fdtab.in_vfork_cleanup ()) -#endif - ForceCloseHandle (read_state); - return fhandler_base::close (); -} - -bool -fhandler_pipe::hit_eof () -{ - char buf[80]; - HANDLE ev; - if (broken_pipe) - return 1; - if (!orig_pid) - return false; - __small_sprintf (buf, pipeid_fmt, orig_pid, id); - if ((ev = OpenEvent (EVENT_ALL_ACCESS, FALSE, buf))) - CloseHandle (ev); - debug_printf ("%s %p", buf, ev); - return ev == NULL; -} - -void -fhandler_pipe::fixup_in_child () -{ - if (read_state) - { - create_read_state (2); - ProtectHandle (read_state); - } -} - -void -fhandler_pipe::fixup_after_exec () -{ - if (!close_on_exec ()) - fixup_in_child (); -} - -void -fhandler_pipe::fixup_after_fork (HANDLE parent) -{ - fhandler_base::fixup_after_fork (parent); - if (guard) - fork_fixup (parent, guard, "guard"); - if (writepipe_exists) - fork_fixup (parent, writepipe_exists, "guard"); - fixup_in_child (); -} - -int -fhandler_pipe::dup (fhandler_base *child) -{ - int res = -1; - fhandler_pipe *ftp = (fhandler_pipe *) child; - ftp->guard = ftp->writepipe_exists = ftp->read_state = NULL; - - if (get_handle ()) - { - res = fhandler_base::dup (child); - if (res) - goto err; - } - - if (guard == NULL) - ftp->guard = NULL; - else if (!DuplicateHandle (hMainProc, guard, hMainProc, &ftp->guard, 0, 1, - DUPLICATE_SAME_ACCESS)) - { - debug_printf ("couldn't duplicate guard %p, %E", guard); - goto err; - } - - if (writepipe_exists == NULL) - ftp->writepipe_exists = NULL; - else if (!DuplicateHandle (hMainProc, writepipe_exists, hMainProc, - &ftp->writepipe_exists, 0, 1, - DUPLICATE_SAME_ACCESS)) - { - debug_printf ("couldn't duplicate writepipe_exists %p, %E", writepipe_exists); - goto err; - } - - if (read_state == NULL) - ftp->read_state = NULL; - else if (!DuplicateHandle (hMainProc, read_state, hMainProc, - &ftp->read_state, 0, 0, - DUPLICATE_SAME_ACCESS)) - { - debug_printf ("couldn't duplicate read_state %p, %E", read_state); - goto err; - } - - res = 0; - goto out; - -err: - if (ftp->guard) - CloseHandle (ftp->guard); - if (ftp->writepipe_exists) - CloseHandle (ftp->writepipe_exists); - if (ftp->read_state) - CloseHandle (ftp->read_state); - goto leave; - -out: - ftp->id = id; - ftp->orig_pid = orig_pid; - VerifyHandle (ftp->guard); - VerifyHandle (ftp->writepipe_exists); - VerifyHandle (ftp->read_state); - -leave: - debug_printf ("res %d", res); - return res; -} - -/* Create a pipe, and return handles to the read and write ends, - just like CreatePipe, but ensure that the write end permits - FILE_READ_ATTRIBUTES access, on later versions of win32 where - this is supported. This access is needed by NtQueryInformationFile, - which is used to implement select and nonblocking writes. - Note that the return value is either 0 or GetLastError, - unlike CreatePipe, which returns a bool for success or failure. */ -int -fhandler_pipe::create_selectable (LPSECURITY_ATTRIBUTES sa_ptr, HANDLE& r, - HANDLE& w, DWORD psize, bool fifo) -{ - /* Default to error. */ - r = w = INVALID_HANDLE_VALUE; - - /* Ensure that there is enough pipe buffer space for atomic writes. */ - if (!fifo && psize < PIPE_BUF) - psize = PIPE_BUF; - - char pipename[CYG_MAX_PATH]; - - /* Retry CreateNamedPipe as long as the pipe name is in use. - Retrying will probably never be necessary, but we want - to be as robust as possible. */ - while (1) - { - static volatile ULONG pipe_unique_id; - - __small_sprintf (pipename, "\\\\.\\pipe\\cygwin-%p-%p", myself->pid, - InterlockedIncrement ((LONG *) &pipe_unique_id)); - - debug_printf ("CreateNamedPipe: name %s, size %lu", pipename, psize); - - /* Use CreateNamedPipe instead of CreatePipe, because the latter - returns a write handle that does not permit FILE_READ_ATTRIBUTES - access, on versions of win32 earlier than WinXP SP2. - CreatePipe also stupidly creates a full duplex pipe, which is - a waste, since only a single direction is actually used. - It's important to only allow a single instance, to ensure that - the pipe was not created earlier by some other process, even if - the pid has been reused. We avoid FILE_FLAG_FIRST_PIPE_INSTANCE - because that is only available for Win2k SP2 and WinXP. */ - r = CreateNamedPipe (pipename, PIPE_ACCESS_INBOUND, - PIPE_TYPE_BYTE | PIPE_READMODE_BYTE, 1, psize, - psize, NMPWAIT_USE_DEFAULT_WAIT, sa_ptr); - - /* Win 95 seems to return NULL instead of INVALID_HANDLE_VALUE */ - if (r && r != INVALID_HANDLE_VALUE) - { - debug_printf ("pipe read handle %p", r); - break; - } - - DWORD err = GetLastError (); - switch (err) - { - case ERROR_PIPE_BUSY: - /* The pipe is already open with compatible parameters. - Pick a new name and retry. */ - debug_printf ("pipe busy, retrying"); - break; - case ERROR_ACCESS_DENIED: - /* The pipe is already open with incompatible parameters. - Pick a new name and retry. */ - debug_printf ("pipe access denied, retrying"); - break; - default: - /* CreateNamePipe failed. Maybe we are on an older Win9x platform without - named pipes. Return an anonymous pipe as the best approximation. */ - debug_printf ("CreateNamedPipe failed, resorting to CreatePipe size %lu", - psize); - if (CreatePipe (&r, &w, sa_ptr, psize)) - { - debug_printf ("pipe read handle %p", r); - debug_printf ("pipe write handle %p", w); - return 0; - } - err = GetLastError (); - debug_printf ("CreatePipe failed, %E"); - return err; - } - } - - debug_printf ("CreateFile: name %s", pipename); - - /* Open the named pipe for writing. - Be sure to permit FILE_READ_ATTRIBUTES access. */ - w = CreateFile (pipename, GENERIC_WRITE | FILE_READ_ATTRIBUTES, 0, sa_ptr, - OPEN_EXISTING, 0, 0); - - if (!w || w == INVALID_HANDLE_VALUE) - { - /* Failure. */ - DWORD err = GetLastError (); - debug_printf ("CreateFile failed, %E"); - CloseHandle (r); - return err; - } - - debug_printf ("pipe write handle %p", w); - - /* Success. */ - return 0; -} - -int -fhandler_pipe::create (fhandler_pipe *fhs[2], unsigned psize, int mode, bool fifo) -{ - HANDLE r, w; - SECURITY_ATTRIBUTES *sa = (mode & O_NOINHERIT) ? &sec_none_nih : &sec_none; - int res = -1; - - int ret = create_selectable (sa, r, w, psize, fifo); - if (ret) - __seterrno_from_win_error (ret); - else - { - fhs[0] = (fhandler_pipe *) build_fh_dev (*piper_dev); - fhs[1] = (fhandler_pipe *) build_fh_dev (*pipew_dev); - - int binmode = mode & O_TEXT ?: O_BINARY; - fhs[0]->init (r, GENERIC_READ, binmode); - fhs[1]->init (w, GENERIC_WRITE, binmode); - if (mode & O_NOINHERIT) - { - fhs[0]->close_on_exec (true); - fhs[1]->close_on_exec (true); - } - - fhs[0]->create_read_state (2); - fhs[0]->need_fork_fixup (true); - ProtectHandle1 (fhs[0]->read_state, read_state); - - res = 0; - fhs[0]->create_guard (sa); - if (wincap.has_unreliable_pipes ()) - { - char buf[80]; - int count = pipecount++; /* FIXME: Should this be InterlockedIncrement? */ - __small_sprintf (buf, pipeid_fmt, myself->pid, count); - fhs[1]->writepipe_exists = CreateEvent (sa, TRUE, FALSE, buf); - fhs[0]->orig_pid = myself->pid; - fhs[0]->id = count; - } - } - - syscall_printf ("%d = pipe ([%p, %p], %d, %p)", res, fhs[0], fhs[1], psize, mode); - return res; -} - -int -fhandler_pipe::ioctl (unsigned int cmd, void *p) -{ - int n; - - switch (cmd) - { - case FIONREAD: - if (get_device () == FH_PIPEW) - { - set_errno (EINVAL); - return -1; - } - if (!PeekNamedPipe (get_handle (), NULL, 0, NULL, (DWORD *) &n, NULL)) - { - __seterrno (); - return -1; - } - break; - default: - return fhandler_base::ioctl (cmd, p); - break; - } - *(int *) p = n; - return 0; -} - -#define DEFAULT_PIPEBUFSIZE (4 * PIPE_BUF) - -extern "C" int -pipe (int filedes[2]) -{ - extern DWORD binmode; - fhandler_pipe *fhs[2]; - int res = fhandler_pipe::create (fhs, DEFAULT_PIPEBUFSIZE, - (!binmode || binmode == O_BINARY) - ? O_BINARY : O_TEXT); - if (res == 0) - { - cygheap_fdnew fdin; - cygheap_fdnew fdout (fdin, false); - fdin = fhs[0]; - fdout = fhs[1]; - filedes[0] = fdin; - filedes[1] = fdout; - } - - return res; -} - -extern "C" int -_pipe (int filedes[2], unsigned int psize, int mode) -{ - fhandler_pipe *fhs[2]; - int res = fhandler_pipe::create (fhs, psize, mode); - /* This type of pipe is not interruptible so set the appropriate flag. */ - if (!res) - { - cygheap_fdnew fdin; - cygheap_fdnew fdout (fdin, false); - fhs[0]->uninterruptible_io (true); - fdin = fhs[0]; - fdout = fhs[1]; - filedes[0] = fdin; - filedes[1] = fdout; - } - - return res; -} |