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authorcvs2svn <>2012-08-10 13:37:36 +0400
committercvs2svn <>2012-08-10 13:37:36 +0400
commit3ed248bcc06cf81618ac20d4975f836973f9f5c0 (patch)
treeb639b9e4bcdc014f46963f47b336157ff67431c8 /winsup/cygwin/cygheap.cc
parentc0956742a74d194b9c18c7a91aa6d6010beb4cd3 (diff)
This commit was manufactured by cvs2svn to create tag 'cygwin-cygwin-1_7_12-release
1_7_12-release'. Sprout from cygwin-64bit-branch 2012-08-10 09:37:33 UTC cvs2svn 'This commit was manufactured by cvs2svn to create branch 'cygwin-64bit-' Cherrypick from master 2012-04-03 07:28:48 UTC Corinna Vinschen <corinna@vinschen.de> ' * syscalls.cc (fhandler_base::stat_fixup): Replace string comparison': COPYING3 COPYING3.LIB ChangeLog MAINTAINERS compile config.rpath config.sub config/ChangeLog config/mh-darwin config/mh-interix config/mh-ppc-aix config/mt-alphaieee config/mt-sde config/picflag.m4 config/stdint.m4 config/tcl.m4 configure configure.ac include/ChangeLog include/bfdlink.h include/dis-asm.h include/dwarf2.h include/elf/ChangeLog include/elf/avr.h include/elf/common.h include/elf/m68hc11.h include/elf/ppc.h include/elf/s390.h include/elf/sparc.h include/filenames.h include/gdb/ChangeLog include/gdb/callback.h include/gdb/signals.def include/gdb/signals.h include/mach-o/ChangeLog include/mach-o/codesign.h include/mach-o/external.h include/mach-o/loader.h include/mach-o/reloc.h include/mach-o/x86-64.h include/opcode/ChangeLog include/opcode/avr.h include/opcode/m68hc11.h include/opcode/mips.h include/opcode/ppc.h include/opcode/sparc.h include/plugin-api.h include/splay-tree.h ltgcc.m4 ltoptions.m4 ltversion.m4 lt~obsolete.m4 newlib/ChangeLog newlib/doc/Makefile.am newlib/doc/Makefile.in newlib/libc/include/stdio.h newlib/libc/include/string.h newlib/libc/include/sys/signal.h newlib/libc/include/sys/stat.h newlib/libc/include/sys/time.h newlib/libc/include/sys/times.h newlib/libc/include/sys/types.h newlib/libc/include/sys/unistd.h newlib/libc/include/sys/wait.h newlib/libc/locale/lmessages.c newlib/libc/locale/lmonetary.c newlib/libc/locale/nl_langinfo.c newlib/libc/machine/cr16/sys/asm.h newlib/libc/machine/epiphany/Makefile.am newlib/libc/machine/epiphany/Makefile.in newlib/libc/machine/epiphany/aclocal.m4 newlib/libc/machine/epiphany/configure newlib/libc/machine/epiphany/configure.in newlib/libc/machine/epiphany/machine/stdlib.h newlib/libc/machine/epiphany/setjmp.S newlib/libc/machine/rl78/Makefile.am newlib/libc/machine/rl78/Makefile.in newlib/libc/machine/rl78/aclocal.m4 newlib/libc/machine/rl78/configure newlib/libc/machine/rl78/configure.in newlib/libc/machine/rl78/setjmp.S newlib/libc/posix/collate.c newlib/libc/posix/engine.c newlib/libc/posix/glob.c newlib/libc/posix/popen.c newlib/libc/posix/readdir.c newlib/libc/posix/regcomp.c newlib/libc/posix/telldir.c newlib/libc/posix/wordexp.c newlib/libc/reent/mkdirr.c newlib/libc/reent/renamer.c newlib/libc/search/hash.c newlib/libc/search/hash_bigkey.c newlib/libc/search/hash_page.c newlib/libc/search/hcreate_r.c newlib/libc/stdio/asiprintf.c newlib/libc/stdio/asprintf.c newlib/libc/stdio/clearerr.c newlib/libc/stdio/fclose.c newlib/libc/stdio/fdopen.c newlib/libc/stdio/feof.c newlib/libc/stdio/ferror.c newlib/libc/stdio/fflush.c newlib/libc/stdio/fgetc.c newlib/libc/stdio/fgets.c newlib/libc/stdio/fgetwc.c newlib/libc/stdio/fgetws.c newlib/libc/stdio/fileno.c newlib/libc/stdio/findfp.c newlib/libc/stdio/fmemopen.c newlib/libc/stdio/fopen.c newlib/libc/stdio/fopencookie.c newlib/libc/stdio/fpurge.c newlib/libc/stdio/fputc.c newlib/libc/stdio/fputs.c newlib/libc/stdio/fputwc.c newlib/libc/stdio/fputws.c newlib/libc/stdio/fread.c newlib/libc/stdio/freopen.c newlib/libc/stdio/fseek.c newlib/libc/stdio/ftell.c newlib/libc/stdio/funopen.c newlib/libc/stdio/fwide.c newlib/libc/stdio/fwrite.c newlib/libc/stdio/getc.c newlib/libc/stdio/getdelim.c newlib/libc/stdio/gets.c newlib/libc/stdio/local.h newlib/libc/stdio/mktemp.c newlib/libc/stdio/open_memstream.c newlib/libc/stdio/putc.c newlib/libc/stdio/setvbuf.c newlib/libc/stdio/ungetc.c newlib/libc/stdio/ungetwc.c newlib/libc/stdio/vasiprintf.c newlib/libc/stdio/vasprintf.c newlib/libc/stdio/vfprintf.c newlib/libc/stdio/vfscanf.c newlib/libc/stdio/vfwprintf.c newlib/libc/stdio/vfwscanf.c newlib/libc/stdio64/fdopen64.c newlib/libc/stdio64/fopen64.c newlib/libc/stdio64/freopen64.c newlib/libc/stdio64/fseeko64.c newlib/libc/stdio64/ftello64.c newlib/libc/stdlib/mbtowc_r.c newlib/libc/stdlib/mprec.h newlib/libc/stdlib/wctomb_r.c newlib/libc/string/Makefile.am newlib/libc/string/Makefile.in newlib/libc/string/strcasestr.c newlib/libc/sys/epiphany/Makefile.am newlib/libc/sys/epiphany/Makefile.in newlib/libc/sys/epiphany/aclocal.m4 newlib/libc/sys/epiphany/configure newlib/libc/sys/epiphany/configure.in newlib/libc/sys/epiphany/e_printf.c newlib/libc/sys/rtems/crt0.c newlib/libc/sys/rtems/machine/_types.h newlib/libc/sys/sysnecv850/crt0.S newlib/libc/time/strptime.c newlib/libm/common/sf_round.c newlib/libm/math/e_atan2.c newlib/libm/math/e_exp.c newlib/libm/math/e_pow.c newlib/libm/math/e_rem_pio2.c newlib/libm/math/ef_exp.c newlib/libm/math/ef_pow.c newlib/libm/math/er_lgamma.c newlib/libm/math/erf_lgamma.c newlib/testsuite/newlib.stdio/stdio.exp newlib/testsuite/newlib.stdio/swprintf.c newlib/testsuite/newlib.string/strcmp-1.c winsup/ChangeLog winsup/Makefile.common winsup/cygserver/ChangeLog winsup/cygserver/woutsup.h winsup/cygwin/ChangeLog winsup/cygwin/Makefile.in winsup/cygwin/advapi32.cc winsup/cygwin/child_info.h winsup/cygwin/configure.in winsup/cygwin/cygheap.cc winsup/cygwin/cygheap.h winsup/cygwin/cygserver_ipc.h winsup/cygwin/cygthread.cc winsup/cygwin/cygtls.cc winsup/cygwin/cygtls.h winsup/cygwin/cygwin.din winsup/cygwin/cygwin.sc winsup/cygwin/dcrt0.cc winsup/cygwin/devices.cc winsup/cygwin/devices.in winsup/cygwin/dll_init.cc winsup/cygwin/dtable.cc winsup/cygwin/dtable.h winsup/cygwin/environ.cc winsup/cygwin/exceptions.cc winsup/cygwin/external.cc winsup/cygwin/fenv.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_mem.cc winsup/cygwin/fhandler_nodevice.cc winsup/cygwin/fhandler_procnet.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/flock.cc winsup/cygwin/fork.cc winsup/cygwin/gendef winsup/cygwin/gentls_offsets winsup/cygwin/globals.cc winsup/cygwin/heap.cc winsup/cygwin/hookapi.cc winsup/cygwin/include/cygwin/if.h winsup/cygwin/include/cygwin/in.h winsup/cygwin/include/cygwin/socket.h winsup/cygwin/include/cygwin/version.h winsup/cygwin/include/elf.h winsup/cygwin/include/inttypes.h winsup/cygwin/include/mntent.h winsup/cygwin/include/netdb.h winsup/cygwin/include/stdint.h winsup/cygwin/include/sys/elf32.h winsup/cygwin/include/sys/elf64.h winsup/cygwin/include/sys/elf_common.h winsup/cygwin/include/sys/elf_generic.h winsup/cygwin/include/sys/wait.h winsup/cygwin/kernel32.cc winsup/cygwin/lib/_cygwin_crt0_common.cc winsup/cygwin/lib/crt0.h winsup/cygwin/libc/inet_addr.c winsup/cygwin/libc/inet_network.c winsup/cygwin/libc/minires-os-if.c winsup/cygwin/libc/minires.h winsup/cygwin/libc/rcmd.cc winsup/cygwin/miscfuncs.cc winsup/cygwin/miscfuncs.h winsup/cygwin/mkvers.sh winsup/cygwin/mmap.cc winsup/cygwin/mount.cc winsup/cygwin/mount.h winsup/cygwin/net.cc winsup/cygwin/ntdll.h winsup/cygwin/passwd.cc winsup/cygwin/path.cc winsup/cygwin/path.h winsup/cygwin/pinfo.cc winsup/cygwin/pipe.cc winsup/cygwin/poll.cc winsup/cygwin/posix.sgml winsup/cygwin/posix_ipc.cc winsup/cygwin/pseudo-reloc.cc winsup/cygwin/regex/regcomp.c winsup/cygwin/registry.cc winsup/cygwin/release/1.7.10 winsup/cygwin/release/1.7.11 winsup/cygwin/release/1.7.12 winsup/cygwin/sched.cc winsup/cygwin/sec_helper.cc winsup/cygwin/security.cc winsup/cygwin/security.h winsup/cygwin/select.cc winsup/cygwin/select.h winsup/cygwin/shared.cc winsup/cygwin/signal.cc winsup/cygwin/sigproc.cc winsup/cygwin/sigproc.h winsup/cygwin/smallprint.cc winsup/cygwin/spawn.cc winsup/cygwin/strace.cc winsup/cygwin/strfuncs.cc winsup/cygwin/syscalls.cc winsup/cygwin/syslog.cc winsup/cygwin/thread.cc winsup/cygwin/thread.h winsup/cygwin/tlsoffsets.h winsup/cygwin/wait.cc winsup/cygwin/winbase.h winsup/cygwin/wincap.cc winsup/cygwin/wincap.h winsup/cygwin/winlean.h winsup/cygwin/winsup.h winsup/doc/ChangeLog winsup/doc/configure winsup/doc/cygwinenv.sgml winsup/doc/faq-programming.xml winsup/doc/faq-using.xml winsup/doc/new-features.sgml winsup/doc/overview2.sgml winsup/doc/pathnames.sgml winsup/doc/setup-net.sgml winsup/doc/using.sgml winsup/lsaauth/ChangeLog winsup/lsaauth/Makefile.in winsup/lsaauth/cyglsa.c winsup/lsaauth/cyglsa64.dll winsup/lsaauth/make-64bit-version-with-mingw-w64.sh winsup/mingw/ChangeLog winsup/mingw/configure winsup/mingw/configure.in winsup/mingw/include/_mingw.h winsup/mingw/include/excpt.h winsup/mingw/include/inttypes.h winsup/mingw/include/limits.h winsup/mingw/include/process.h winsup/mingw/include/stdint.h winsup/mingw/include/stdio.h winsup/mingw/include/stdlib.h winsup/mingw/include/sys/param.h winsup/mingw/include/wchar.h winsup/mingw/mingwex/Makefile.in winsup/mingw/mingwex/gdtoa/gd_qnan.h winsup/mingw/mingwex/tsearch.c winsup/mingw/profile/Makefile.in winsup/testsuite/ChangeLog winsup/testsuite/configure winsup/utils/ChangeLog winsup/utils/Makefile.in winsup/utils/bloda.cc winsup/utils/cygcheck.cc winsup/utils/cygpath.cc winsup/utils/dump_setup.cc winsup/utils/dumper.cc winsup/utils/locale.cc winsup/utils/mkgroup.c winsup/utils/mkpasswd.c winsup/utils/ps.cc winsup/utils/regtool.cc winsup/utils/strace.cc winsup/w32api/ChangeLog winsup/w32api/include/setupapi.h winsup/w32api/include/winbase.h winsup/w32api/include/windows.h winsup/w32api/include/winnt.h winsup/w32api/include/winsock.h winsup/w32api/include/winsock2.h winsup/w32api/include/winuser.h winsup/w32api/include/winver.h winsup/w32api/include/wtsapi32.h winsup/w32api/lib/Makefile.in winsup/w32api/lib/kernel32.def winsup/w32api/lib/wtsapi32.def Delete: config/asmcfi.m4 config/math.m4 config/mmap.m4 config/weakref.m4 include/dwarf2.def include/elf/xgate.h include/gdb/gdb-index.h include/leb128.h include/opcode/xgate.h newlib/libc/string/memrchr.c winsup/cygwin/DevNotes winsup/cygwin/cygwait.cc winsup/cygwin/cygwait.h winsup/cygwin/include/machine/elf.h winsup/cygwin/include/sys/elf.h winsup/mingw/mingwex/membarrier.c winsup/w32api/include/sdkddkver.h winsup/w32api/include/shobjidl.h winsup/w32api/lib/shobjidl-uuid.c
Diffstat (limited to 'winsup/cygwin/cygheap.cc')
-rw-r--r--winsup/cygwin/cygheap.cc127
1 files changed, 6 insertions, 121 deletions
diff --git a/winsup/cygwin/cygheap.cc b/winsup/cygwin/cygheap.cc
index 639f4e662..bc96a5533 100644
--- a/winsup/cygwin/cygheap.cc
+++ b/winsup/cygwin/cygheap.cc
@@ -47,23 +47,6 @@ struct cygheap_entry
char data[0];
};
-class tls_sentry
-{
-public:
- static muto lock;
- int destroy;
- void init ();
- bool acquired () {return lock.acquired ();}
- tls_sentry () {destroy = 0;}
- tls_sentry (DWORD wait) {destroy = lock.acquire (wait);}
- ~tls_sentry () {if (destroy) lock.release ();}
-};
-
-muto NO_COPY tls_sentry::lock;
-static NO_COPY size_t nthreads;
-
-#define THREADLIST_CHUNK 256
-
#define NBUCKETS (sizeof (cygheap->buckets) / sizeof (cygheap->buckets[0]))
#define N0 ((_cmalloc_entry *) NULL)
#define to_cmalloc(s) ((_cmalloc_entry *) (((char *) (s)) - (unsigned) (N0->data)))
@@ -187,28 +170,18 @@ init_cygheap::init_installation_root ()
"GetModuleFileNameW(%p, %p, %u), %E",
cygwin_hmodule, installation_root, PATH_MAX);
PWCHAR p = installation_root;
- if (wcsncasecmp (p, L"\\\\", 2)) /* Normal drive letter path */
+ if (wcsncmp (p, L"\\\\?\\", 4)) /* No long path prefix. */
{
- p = wcpcpy (p, L"\\??\\");
- GetModuleFileNameW (cygwin_hmodule, p, PATH_MAX - 4);
- }
- else
- {
- bool unc = false;
- if (wcsncmp (p + 2, L"?\\", 2)) /* No long path prefix, so UNC path. */
+ if (!wcsncasecmp (p, L"\\\\", 2)) /* UNC */
{
p = wcpcpy (p, L"\\??\\UN");
GetModuleFileNameW (cygwin_hmodule, p, PATH_MAX - 6);
*p = L'C';
- unc = true;
}
- else if (!wcsncmp (p + 4, L"UNC\\", 4)) /* Native NT UNC path. */
- unc = true;
- if (unc)
+ else
{
- p = wcschr (p + 2, L'\\'); /* Skip server name */
- if (p)
- p = wcschr (p + 1, L'\\'); /* Skip share name */
+ p = wcpcpy (p, L"\\??\\");
+ GetModuleFileNameW (cygwin_hmodule, p, PATH_MAX - 4);
}
}
installation_root[1] = L'?';
@@ -227,13 +200,7 @@ init_cygheap::init_installation_root ()
if (!w)
api_fatal ("Can't initialize Cygwin installation root dir.\n"
"Invalid DLL path");
- /* If w < p, the Cygwin DLL resides in the root dir of a drive or network
- path. In that case, if we strip off yet another backslash, the path
- becomes invalid. We avoid that here so that the DLL also works in this
- scenario. The /usr/bin and /usr/lib default mounts will probably point
- to something non-existing, but that's life. */
- if (w > p)
- *w = L'\0';
+ *w = L'\0';
for (int i = 1; i >= 0; --i)
{
@@ -273,7 +240,6 @@ cygheap_init ()
cygheap->fdtab.init ();
if (!cygheap->sigs)
sigalloc ();
- cygheap->init_tls_list ();
}
/* Copyright (C) 1997, 2000 DJ Delorie */
@@ -563,84 +529,3 @@ cygheap_user::set_name (const char *new_name)
cfree_and_set (pdomain);
cfree_and_set (pwinname);
}
-
-void
-init_cygheap::init_tls_list ()
-{
- if (threadlist)
- memset (cygheap->threadlist, 0, cygheap->sthreads * sizeof (cygheap->threadlist[0]));
- else
- {
- sthreads = THREADLIST_CHUNK;
- threadlist = (_cygtls **) ccalloc_abort (HEAP_TLS, cygheap->sthreads,
- sizeof (cygheap->threadlist[0]));
- }
- tls_sentry::lock.init ("thread_tls_sentry");
-}
-
-void
-init_cygheap::add_tls (_cygtls *t)
-{
- cygheap->user.reimpersonate ();
- tls_sentry here (INFINITE);
- if (nthreads >= cygheap->sthreads)
- {
- threadlist = (_cygtls **)
- crealloc_abort (threadlist, (sthreads += THREADLIST_CHUNK)
- * sizeof (threadlist[0]));
- // memset (threadlist + nthreads, 0, THREADLIST_CHUNK * sizeof (threadlist[0]));
- }
-
- threadlist[nthreads++] = t;
-}
-
-void
-init_cygheap::remove_tls (_cygtls *t, DWORD wait)
-{
- tls_sentry here (wait);
- if (here.acquired ())
- {
- for (size_t i = 0; i < nthreads; i++)
- if (t == threadlist[i])
- {
- if (i < --nthreads)
- threadlist[i] = threadlist[nthreads];
- debug_only_printf ("removed %p element %d", this, i);
- break;
- }
- }
-}
-
-_cygtls *
-init_cygheap::find_tls (int sig)
-{
- debug_printf ("sig %d\n", sig);
- tls_sentry here (INFINITE);
-
- static int NO_COPY threadlist_ix;
-
- _cygtls *t = _main_tls;
-
- myfault efault;
- if (efault.faulted ())
- threadlist[threadlist_ix]->remove (INFINITE);
- else
- {
- threadlist_ix = -1;
- while (++threadlist_ix < (int) nthreads)
- if (sigismember (&(threadlist[threadlist_ix]->sigwait_mask), sig))
- {
- t = cygheap->threadlist[threadlist_ix];
- goto out;
- }
- threadlist_ix = -1;
- while (++threadlist_ix < (int) nthreads)
- if (!sigismember (&(threadlist[threadlist_ix]->sigmask), sig))
- {
- t = cygheap->threadlist[threadlist_ix];
- break;
- }
- }
-out:
- return t;
-}