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Corinna Vinschen 0aa1c03819 Cygwin: open_shared: always bump next_address 
The new loop in open_shared has a subtil performance problem.
Next_address is bumped only if mapping at this address
failed.  Every subsequent call to open_shared has a high probability
having to call MapViewOfFileEx twice, because next_address is still
set to the address of the last successful mapping.

Avoid this by bumping next_address every time.

While at it, fix a comment.

Conflict: Missing backport of 31302b267b86 ("Cygwin: drop fixed addresses for standard shared regions")
Fixes: dc0fe7742b8c ("Cygwin: open_shared: try harder allocating a shared region")
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2023-01-18 20:17:23 +01:00
..
DevDocs
Cygwin: testsuite: Add x86_64 code to "dynamically load cygwin" test
2022-08-29 17:53:48 +01:00
fhandler
Cygwin: open_shared: don't reuse shared_locations parameter as output
2023-01-17 19:47:33 +01:00
include
Cygwin: reinstantiate exporting _alloca
2023-01-09 13:43:26 +01:00
lib
Cygwin: drop __stdcall usage
2022-08-04 20:54:09 +02:00
libc
strptime.cc(__strptime): add %q GNU quarter
2022-10-24 14:09:07 +02:00
local_includes
Cygwin: Move shared regions, rename PINFO... to MYSELF_REGION_ADDRESS
2023-01-17 19:49:39 +01:00
math
cacosh: Use approximation for large input.
2022-08-04 12:55:52 +02:00
mm
Cygwin: open_shared: always bump next_address
2023-01-18 20:17:23 +01:00
regex
…
release
Cygwin: open_shared: try harder allocating a shared region
2023-01-17 19:49:39 +01:00
scripts
Cygwin: drop snapshot handling
2022-11-24 12:20:50 +01:00
sec
Cygwin: authz: Use dedicated locks per datastructure
2022-08-22 14:25:05 +02:00
tzcode
winsup: delete old _LIBC logic
2021-11-10 20:16:15 -05:00
x86_64
Revert "Cygwin: x86_64: add wmemset assembler entry point"
2022-12-16 10:22:37 +00:00
advapi32.cc
Cygwin: drop all usages of WINAPI
2022-08-04 22:13:59 +02:00
aio.cc
Cygwin: drop all usages of WINAPI
2022-08-04 22:13:59 +02:00
assert.cc
…
autoload.cc
Cygwin: drop __stdcall usage
2022-08-04 20:54:09 +02:00
automode.c
…
binmode.c
…
clock.cc
Cygwin: clock.cc: Drop redundant Windows prototypes
2022-08-04 22:13:59 +02:00
config.h.in
Cygwin: Use automake (v5)
2021-04-27 16:49:56 +01:00
create_posix_thread.cc
Cygwin: add memory_layout.h
2022-10-28 16:26:53 +02:00
crt0.c
Cygwin: drop 32 bit considerations in crt0 code
2022-05-16 18:17:06 +02:00
ctype.cc
Cygwin: drop macro and code for CYGWIN_VERSION_CHECK_FOR_OLD_CTYPE
2022-08-03 15:59:37 +02:00
cxx.cc
…
cygthread.cc
Cygwin: drop all usages of WINAPI
2022-08-04 22:13:59 +02:00
cygtls.cc
Cygwin: tls_pathbuf: Use Windows heap
2022-08-23 12:09:44 +02:00
cygwait.cc
Ensure nanosleep(2) never returns negative rem
2021-07-22 09:57:40 +02:00
cygwin.din
Cygwin: reinstantiate exporting _alloca
2023-01-09 13:43:26 +01:00
cygwin.ldif
…
cygwin.sc.in
Cygwin: drop objcopy .gnu_debuglink juggle
2022-10-28 16:26:53 +02:00
cygxdr.cc
…
dcrt0.cc
Cygwin: cygheap: Initialize myself_pinfo before child_copy().
2023-01-10 21:34:46 +09:00
debug.cc
Cygwin: debugging: convert muto to SRWLOCK
2022-08-22 14:38:49 +02:00
devices.cc
Cygwin: devices: Make generic console devices invisible from pty.
2022-12-22 22:28:28 +09:00
devices.in
Cygwin: devices: Make generic console devices invisible from pty.
2022-12-22 22:28:28 +09:00
dir.cc
change _COMPILING_NEWLIB to _LIBC
2021-11-15 19:32:23 -05:00
dlfcn.cc
Cygwin: remove miscellaneous 32-bit code
2022-05-29 17:54:32 -04:00
dll_init.cc
Cygwin: remove most occurrences of __stdcall and __cdecl
2022-06-06 12:00:45 -04:00
dtable.cc
Cygwin: remove most occurrences of __stdcall and __cdecl
2022-06-06 12:00:45 -04:00
environ.cc
Cygwin: drop macro and code for CYGWIN_VERSION_DLL_MALLOC_ENV
2022-08-03 15:35:34 +02:00
errno.cc
Cygwin: create sparse errmap array
2022-08-04 15:16:48 +02:00
exceptions.cc
Cygwin: Handle out of order modules for module offsets in stackdump
2022-11-04 13:25:54 +00:00
exec.cc
Cygwin: rename __cygwin_environ and drop env redirection via cur_environ()
2022-07-28 22:00:40 +02:00
external.cc
Cygwin: uinfo: Drop long disabled nss_prefix and nss_separator
2022-12-02 16:35:31 +01:00
fcntl.cc
Cygwin: simplify some function names
2022-05-29 17:45:52 -04:00
fenv.c
Cygwin: don't export _feinitialise from newlib
2021-04-13 12:55:34 +02:00
flock.cc
Cygwin: drop all usages of WINAPI
2022-08-04 22:13:59 +02:00
fork.cc
Cygwin: fork: fix a potential hang in fork
2022-08-29 12:25:24 +02:00
forkable.cc
…
gcrt0.c
Revert "sys/types.h: Don't include sys/_stdint.h"
2022-05-04 15:08:44 +02:00
glob_pattern_p.cc
…
glob.cc
Cygwin: simplify some function names
2022-05-29 17:45:52 -04:00
globals.cc
Cygwin: stop handling files with .com suffix like .exe files
2022-10-28 12:44:27 +02:00
gmon.c
Cygwin: Zero out gmon header before use
2021-06-26 15:24:27 +01:00
grp.cc
Cygwin: simplify some function names
2022-05-29 17:45:52 -04:00
hookapi.cc
Cygwin: Fix previous attempt to drop i386 targets from hookapi
2022-07-28 16:38:01 +02:00
init.cc
Cygwin: drop all usages of WINAPI
2022-08-04 22:13:59 +02:00
ioctl.cc
…
ipc.cc
Cygwin: simplify some function names
2022-05-29 17:45:52 -04:00
kernel32.cc
Cygwin: drop all usages of WINAPI
2022-08-04 22:13:59 +02:00
ldap.cc
Cygwin: drop all usages of WINAPI
2022-08-04 22:13:59 +02:00
libstdcxx_wrapper.cc
Cygwin: remove miscellaneous 32-bit code
2022-05-29 17:54:32 -04:00
loadavg.cc
…
lsearch.cc
…
Makefile.am
Cygwin: Makefile: build new-cygwin1.dll in a single step
2022-12-13 15:25:06 +01:00
mcount.c
…
miscfuncs.cc
Cygwin: rename CygwinCreateThread to create_posix_thread
2022-08-10 18:06:28 +02:00
mktemp.cc
Cygwin: simplify some function names
2022-05-29 17:45:52 -04:00
mount.cc
Cygwin: mount_info::get_mounts_here: alloc temp mountpoint info on cygheap
2022-08-05 12:01:45 +02:00
msg.cc
…
net.cc
Cygwin: net.cc: convert wsock_errmap into a simple array of error codes
2022-08-04 11:45:58 +02:00
netdb.cc
…
nfs.cc
…
nlsfuncs.cc
Cygwin: cwd: use SRWLOCK instead of muto
2022-08-23 12:09:44 +02:00
ntea.cc
Cygwin: remove most occurrences of __stdcall and __cdecl
2022-06-06 12:00:45 -04:00
passwd.cc
Cygwin: simplify some function names
2022-05-29 17:45:52 -04:00
path.cc
Cygwin: path_conv: make sure sym.path_flags is always initialized
2022-12-21 13:13:59 +01:00
pinfo.cc
Cygwin: open_shared: don't reuse shared_locations parameter as output
2023-01-17 19:47:33 +01:00
poll.cc
Cygwin: poll: Fix a bug on inquiring same fd with different events.
2022-06-27 10:54:24 +09:00
posix_ipc.cc
Cygwin: move POSIX semaphore API functions to posix_ipc.cc
2022-08-10 18:11:57 +02:00
posix_timer.cc
Cygwin: posix_timer: fix formatting
2022-08-22 14:53:30 +02:00
profil.c
Cygwin: drop all usages of WINAPI
2022-08-04 22:13:59 +02:00
pseudo-reloc.cc
Cygwin: drop macro and code for CYGWIN_VERSION_USE_PSEUDO_RELOC_IN_DLL
2022-08-03 16:01:29 +02:00
quotactl.cc
…
random.cc
…
registry.cc
…
resource.cc
Cygwin: remove most occurrences of __stdcall and __cdecl
2022-06-06 12:00:45 -04:00
scandir.cc
…
sched.cc
Cygwin: drop support for systems not supporting processor groups
2021-10-29 18:19:45 +02:00
select.cc
Cygwin: select: don't report read ready on a FIFO never opened for writing
2022-10-19 08:17:50 -04:00
sem.cc
…
setlsapwd.cc
…
shm.cc
Cygwin: shm: Convert muto into SRWLOCK and avoid overlocking
2022-08-22 14:28:11 +02:00
signal.cc
Cygwin: remove regparm.h
2022-05-29 17:45:52 -04:00
sigproc.cc
Cygwin: /proc/<PID>/status: avoid crash computing signal info
2023-01-10 11:49:08 +01:00
smallprint.cc
Cygwin: smallprint.cc: Drop HEAP_ZERO_MEMORY
2022-08-22 17:58:53 +02:00
spawn.cc
Cygwin: pty, console: Encapsulate spawn.cc code related to pty/console.
2022-11-20 10:37:37 +09:00
strace.cc
Cygwin: remove most occurrences of __stdcall and __cdecl
2022-06-06 12:00:45 -04:00
strfuncs.cc
Cygwin: drop all usages of NTAPI
2022-08-04 22:13:59 +02:00
strsep.cc
Cygwin: C++17: register keyword is deprecated
2021-08-26 22:14:11 +02:00
strsig.cc
Cygwin: remove miscellaneous 32-bit code
2022-05-29 17:54:32 -04:00
sync.cc
…
syscalls.cc
Cygwin: stop handling files with .com suffix like .exe files
2022-10-28 12:44:27 +02:00
sysconf.cc
Cygwin: remove miscellaneous 32-bit code
2022-05-29 17:54:32 -04:00
syslog.cc
…
termios.cc
Cygwin: drop macro and code for CYGWIN_VERSION_DLL_IS_OLD_TERMIOS
2022-08-03 15:35:29 +02:00
textmode.c
…
textreadmode.c
…
thread.cc
Cygwin: move POSIX semaphore API functions to posix_ipc.cc
2022-08-10 18:11:57 +02:00
timerfd.cc
Cygwin: drop all usages of WINAPI
2022-08-04 22:13:59 +02:00
times.cc
Cygwin: remove most occurrences of __stdcall and __cdecl
2022-06-06 12:00:45 -04:00
tls_pbuf.cc
Cygwin: tls_pathbuf: Use Windows heap
2022-08-23 12:09:44 +02:00
tty.cc
Cygwin: remove most occurrences of __stdcall and __cdecl
2022-06-06 12:00:45 -04:00
uinfo.cc
Cygwin: uinfo: don't special case current user
2022-12-02 16:49:47 +01:00
uname.cc
Cygwin: uname: fix building in non-git source dir
2022-12-11 11:25:04 +01:00
wait.cc
…
wincap.cc
Cygwin: memory_layout.h: define absolute MMAP_STORAGE_HIGH values here
2022-10-28 16:26:53 +02:00
window.cc
Cygwin: drop all usages of WINAPI
2022-08-04 22:13:59 +02:00
winf.cc
…
winver.rc
…