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newlib-cygwin/winsup/cygwin
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Takashi Yano c48d58d838 Cygwin: signal: Increase chance of handling signal in main thread 
If the process() fails and the signal remains in the queue, the most
possible reason is that the target thread is already armed by another
signal and does not handle it yet. With this patch, to increase the
chance of handling it in the other threads, call yield() before
retrying process().

Addresses: https://cygwin.com/pipermail/cygwin/2024-November/256744.html
Fixes: e10f822a2b39 ("Cygwin: signal: Handle queued signal without explicit __SIGFLUSH")
Reported-by: Christian Franke <Christian.Franke@t-online.de>
Reviewed-by:
Signed-off-by: Takashi Yano <takashi.yano@nifty.ne.jp>
2024-12-04 00:04:49 +09:00
..
DevDocs
Cygwin: testsuite: Add x86_64 code to "dynamically load cygwin" test
2022-08-29 17:53:48 +01:00
fhandler
Cygwin: console Add comment for the recent change
2024-11-11 21:45:03 +09:00
include
Cygwin: Change pthread_sigqueue() to accept thread id
2024-11-12 13:05:07 +01:00
lib
Cygwin: drop __stdcall usage
2022-08-04 20:54:09 +02:00
libc
Cygwin: strptime: fix am/pm handling
2024-02-21 19:54:20 +01:00
linux-locale-helpers
Cygwin: replace all fgrep' with grep -F'
2024-01-18 10:53:25 +01:00
local_includes
Cygwin: cygtls: Prompt system to switch tasks explicitly in lock()
2024-12-03 21:21:06 +09:00
math
Cygwin: fix return value of ilogbl(NaN)
2023-04-18 13:43:06 +02:00
mm
Cygwin: cygheap: compute bucket instead of looping over it
2024-03-01 22:35:22 +01:00
regex
Cygwin: regex: fix faulty check for valid range expression
2023-03-20 12:58:03 +01:00
release
Cygwin: nice: align return value and errno with POSIX and Linux
2024-11-28 21:58:50 +01:00
scripts
Cygwin: cygtls: Prompt system to switch tasks explicitly in lock()
2024-12-03 21:21:06 +09:00
sec
Cygwin: (mostly) drop NT4 and Samba < 3.0 support
2024-03-20 12:31:50 +01:00
tzcode
Cygwin: move EXPORT_ALIAS expressions to end of source
2024-03-07 21:50:07 +01:00
x86_64
Cygwin: x86_64: import swab.S from NetBSD
2022-12-20 10:19:23 +01:00
advapi32.cc
Cygwin: drop all usages of WINAPI
2022-08-04 22:13:59 +02:00
aio.cc
Cygwin: fix build failure due to redefinition of __restrict in sys/cdefs.h
2023-08-07 16:04:32 +02:00
assert.cc
…
autoload.cc
Cygwin: mixer: Fix volume control for no WAVECAPS_LRVOLUME device
2024-06-01 15:23:37 +09:00
automode.c
…
binmode.c
…
clock.cc
Cygwin: drop wincap::has_precise_system_time
2022-12-04 14:01:41 +01:00
config.h.in
…
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: fully support KOI8-T codeset
2023-02-25 16:12:51 +01:00
cxx.cc
…
cygthread.cc
cygthread: suspend thread before terminating.
2024-11-20 11:16:24 +01:00
cygtls.cc
Cygwin: cygtls: rename sig to current_sig
2024-11-23 12:23:15 +01:00
cygwait.cc
Cygwin: cygtls: rename sig to current_sig
2024-11-23 12:23:15 +01:00
cygwin.din
Cygwin: timespec_get: implement C11 function
2024-02-16 20:44:31 +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: globify: read full 32 bit character
2024-04-09 22:30:03 +02:00
debug.cc
Cygwin: debugging: convert muto to SRWLOCK
2022-08-22 14:38:49 +02:00
devices.cc
Cygwin: console: Fix race issue on allocating console simultaneously.
2024-07-09 00:01:22 +09:00
devices.in
Cygwin: console: Fix race issue on allocating console simultaneously.
2024-07-09 00:01:22 +09:00
dir.cc
Cygwin: opendir(3): move ENOTDIR check into main function
2024-03-20 12:34:51 +01:00
dlfcn.cc
Cygwin: remove miscellaneous 32-bit code
2022-05-29 17:54:32 -04:00
dll_init.cc
Cygwin: redefine how to recognize forkee state
2024-01-29 13:33:05 +01:00
dtable.cc
Cygwin: pipe: Switch pipe mode to blocking mode by default
2024-11-01 04:50:45 +09:00
environ.cc
Cygwin: reorder list of CYGWIN env var options alphabetically again
2024-02-03 19:54:50 +01:00
errno.cc
Cygwin: set ENOSHARE and ECASECLASH _sys_errlist[] entries to empty
2024-02-28 09:59:07 +01:00
exceptions.cc
Cygwin: signal: Fix another deadlock between main and sig thread
2024-11-28 20:25:27 +09:00
exec.cc
Cygwin: move EXPORT_ALIAS expressions to end of source
2024-03-07 21:50:07 +01:00
external.cc
Cygwin: CW_CMDLINE_ALLOC: fix a pontentially undefined return value
2024-02-01 13:34:52 +01:00
fcntl.cc
Cygwin: simplify some function names
2022-05-29 17:45:52 -04:00
fenv.c
…
flock.cc
Cygwin: flock: Fix overlap handling in lf_setlock() and lf_clearlock()
2024-11-20 21:19:15 +09:00
fork.cc
Cygwin: redefine how to recognize forkee state
2024-01-29 13:33:05 +01:00
forkable.cc
Cygwin: unlink_nt: declare in winsup.h
2023-09-08 22:34:52 +02:00
gcrt0.c
…
glob_pattern_p.cc
…
glob.cc
Revert "Cygwin: glob: perform ignore_case_with_glob on input"
2024-03-18 11:10:13 +01:00
globals.cc
Cygwin: Do not show Error dialogs by default
2024-02-03 19:54:50 +01:00
gmon.c
…
grp.cc
Cygwin: getgrent: don't skip SAM-only builtin-accounts
2024-03-11 12:46:50 +01:00
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: cygwin_GetCommandLineW/A: don't rely on __argv[0] content
2024-01-31 20:11:58 +01:00
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
Add libaio to SUBLIBS built for Cygwin
2024-11-19 17:02:13 +01:00
mcount.c
…
miscfuncs.cc
Cygwin: setpriority, sched_setparam: add missing process access right
2024-12-02 17:23:43 +01:00
mktemp.cc
Cygwin: simplify some function names
2022-05-29 17:45:52 -04:00
mount.cc
Cygwin: check remote drives for being SSDs as well
2024-01-08 11:45:13 +01:00
msg.cc
…
net.cc
Cygwin: Fix warnings about narrowing conversions of socket ioctls
2024-08-13 19:35:49 +01:00
netdb.cc
…
nfs.cc
…
nlsfuncs.cc
Cygwin: Avoid use-after-free warnings in __set_lc_time_from_win() etc.
2024-08-13 19:44:00 +01:00
ntea.cc
Cygwin: use new XATTR_{NAME,SIZE}_MAX instead of MAX_EA_{NAME,VALUE}_LEN
2023-06-16 21:44:41 +02:00
passwd.cc
Cygwin: getgrent/getpwent: avoid local enumeration on DCs
2024-02-20 23:55:51 +01:00
path.cc
Cygwin: cache IsWow64Process2 host arch in wincap.
2024-11-28 23:52:40 +01:00
pinfo.cc
Cygwin: revert use of CancelSyncronousIo on wait_thread.
2024-11-25 12:22:51 +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: timer_delete: Fix return value
2024-10-23 13:25:09 +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
Cygwin: move EXPORT_ALIAS expressions to end of source
2024-03-07 21:50:07 +01:00
registry.cc
…
resource.cc
Cygwin: fix a few comments mentioning Windows 7 or 8
2022-12-04 14:01:41 +01:00
scandir.cc
…
sched.cc
Cygwin: setpriority, sched_setparam: add missing process access right
2024-12-02 17:23:43 +01:00
select.cc
Cygwin: pipe: Switch pipe mode to blocking mode by default
2024-11-01 04:50:45 +09:00
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: cygtls: rename sig to current_sig
2024-11-23 12:23:15 +01:00
sigproc.cc
Cygwin: signal: Increase chance of handling signal in main thread
2024-12-04 00:04:49 +09:00
smallprint.cc
Cygwin: smallprint.cc: Drop HEAP_ZERO_MEMORY
2022-08-22 17:58:53 +02:00
spawn.cc
Cygwin: pipe: Switch pipe mode to blocking mode by default
2024-11-01 04:50:45 +09:00
strace.cc
Cygwin: globals: make __progname an alias of program_invocation_short_name
2024-01-31 20:11:58 +01:00
strfuncs.cc
Cygwin: cXXrtomb, mbrtcXX: use function-specific internal state
2023-08-15 22:34:29 +02:00
strsep.cc
…
strsig.cc
Cygwin: signals: drop accidental spaces from real-time signal names
2023-03-15 21:44:52 +01:00
sync.cc
…
syscalls.cc
Cygwin: setpriority, sched_setparam: add missing process access right
2024-12-02 17:23:43 +01:00
sysconf.cc
Cygwin: execve: drop argument size limit
2023-08-29 14:17:04 +02:00
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: Change pthread_sigqueue() to accept thread id
2024-11-12 13:05:07 +01:00
timerfd.cc
Cygwin: drop all usages of WINAPI
2022-08-04 22:13:59 +02:00
times.cc
Cygwin: move EXPORT_ALIAS expressions to end of source
2024-03-07 21:50:07 +01:00
tls_pbuf.cc
Cygwin: tls_pathbuf: Use Windows heap
2022-08-23 12:09:44 +02:00
tty.cc
Cygwin: accommodate gcc -Og option
2024-02-14 14:00:34 +01:00
uinfo.cc
Cygwin: (mostly) drop NT4 and Samba < 3.0 support
2024-03-20 12:31:50 +01:00
uname.cc
Cygwin: uname: add host machine tag to sysname.
2024-11-28 23:52:40 +01:00
wait.cc
…
wincap.cc
Cygwin: cache IsWow64Process2 host arch in wincap.
2024-11-28 23:52:40 +01:00
window.cc
Cygwin: drop all usages of WINAPI
2022-08-04 22:13:59 +02:00
winf.cc
…
winver.rc
…