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cosmopolitan/test/libc/calls
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Justine Tunney af7bd80430
Eliminate cyclic locks in runtime 
This change introduces a new deadlock detector for Cosmo's POSIX threads
implementation. Error check mutexes will now track a DAG of nested locks
and report EDEADLK when a deadlock is theoretically possible. These will
occur rarely, but it's important for production hardening your code. You
don't even need to change your mutexes to use the POSIX error check mode
because `cosmocc -mdbg` will enable error checking on mutexes by default
globally. When cycles are found, an error message showing your demangled
symbols describing the strongly connected component are printed and then
the SIGTRAP is raised, which means you'll also get a backtrace if you're
using ShowCrashReports() too. This new error checker is so low-level and
so pure that it's able to verify the relationships of every libc runtime
lock, including those locks upon which the mutex implementation depends.
2024-12-16 22:25:12 -08:00
..
access_test.c Delete ASAN 2024-06-22 05:45:49 -07:00
BUILD.mk Implement proper time zone support 2024-05-04 23:06:37 -07:00
cachestat_test.c Remove .internal from more header filenames 2024-08-04 12:52:25 -07:00
chdir_test.c Delete ASAN 2024-06-22 05:45:49 -07:00
clock_getres_test.c Delve into clock rabbit hole 2024-09-04 01:32:46 -07:00
clock_gettime_test.c Delve into clock rabbit hole 2024-09-04 01:32:46 -07:00
clock_nanosleep_test.c Get rid of .internal.h convention in LIBC_INTRIN 2024-07-19 19:38:00 -07:00
closefrom_test.c Apply clang-format update to repo (#1154) 2024-04-25 10:38:00 -07:00
commandv_test.c Introduce sigtimedwait() on Windows 2024-09-15 01:18:27 -07:00
copy_file_range_test.c Apply clang-format update to repo (#1154) 2024-04-25 10:38:00 -07:00
devfd_test.c Get rid of .internal.h convention in LIBC_INTRIN 2024-07-19 19:38:00 -07:00
dup_test.c Release Cosmopolitan v3.3 2024-02-20 13:27:59 -08:00
fchdir_test.c Bring back gc() function 2024-01-08 10:26:28 -08:00
fchmodat_test.c Remove .internal from more header filenames 2024-08-04 12:52:25 -07:00
fcntl_test.c Remove .internal from more header filenames 2024-08-04 12:52:25 -07:00
fileexists_test.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
ftruncate_test.c Get rid of .internal.h convention in LIBC_INTRIN 2024-07-19 19:38:00 -07:00
getcontext_test.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
getcwd_test.c Remove .internal from more header filenames 2024-08-04 12:52:25 -07:00
getgroups_test.c Remove .internal from more header filenames 2024-08-04 12:52:25 -07:00
getitimer_test.c Implement proper time zone support 2024-05-04 23:06:37 -07:00
getprogramexecutablename_test.c Apply clang-format update to repo (#1154) 2024-04-25 10:38:00 -07:00
getrandom_test.c Introduce sigtimedwait() on Windows 2024-09-15 01:18:27 -07:00
ioctl_test.c Apply clang-format update to repo (#1154) 2024-04-25 10:38:00 -07:00
life.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
lock2_test.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
lock_ofd_test.c Remove .internal from more header filenames 2024-08-04 12:52:25 -07:00
lock_test.c Remove .internal from more header filenames 2024-08-04 12:52:25 -07:00
lseek_test.c Share file offset across execve() on Windows 2024-08-03 17:48:00 -07:00
madvise_test.c Use better memory strategy on Windows 2024-07-20 02:20:03 -07:00
makedirs_test.c Apply clang-format update to repo (#1154) 2024-04-25 10:38:00 -07:00
mkdir_test.c Fix remove() directory on Windows 2024-07-28 17:31:21 -07:00
mkntcmdline_test.c Support shebang on Windows 2024-05-20 22:11:42 -07:00
mkntenvblock_test.c Bring back gc() function 2024-01-08 10:26:28 -08:00
mkntpath_test.c Fix relative Windows path normalization (#1261) 2024-08-16 11:55:49 -07:00
open_test.c Remove .internal from more header filenames 2024-08-04 12:52:25 -07:00
openatemp_test.c Apply clang-format update to repo (#1154) 2024-04-25 10:38:00 -07:00
openbsd_test.c Apply clang-format update to repo (#1154) 2024-04-25 10:38:00 -07:00
pipe_test.c Apply clang-format update to repo (#1154) 2024-04-25 10:38:00 -07:00
pledge2_test.c Get rid of .internal.h convention in LIBC_INTRIN 2024-07-19 19:38:00 -07:00
pledge_test.c Eliminate cyclic locks in runtime 2024-12-16 22:25:12 -08:00
poll_latency_test.c Reduce latency of poll() on Windows 2024-09-10 04:12:21 -07:00
poll_test.c Fix polling of files on Windows 2024-09-11 17:13:23 -07:00
posix_fadvise_test.c Apply clang-format update to repo (#1154) 2024-04-25 10:38:00 -07:00
pread_test.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
preadv_test.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
raise_test.c Eliminate cyclic locks in runtime 2024-12-16 22:25:12 -08:00
read_test.c Apply clang-format update to repo (#1154) 2024-04-25 10:38:00 -07:00
readansi_test.c Implement proper time zone support 2024-05-04 23:06:37 -07:00
readlinkat_test.c Fix bug with realpath() on Windows 2024-05-29 18:47:01 -07:00
readwrite_test.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
renameat_test.c Apply clang-format update to repo (#1154) 2024-04-25 10:38:00 -07:00
reservefd_test.c Remove .internal from more header filenames 2024-08-04 12:52:25 -07:00
sched_setscheduler_test.c Apply clang-format update to repo (#1154) 2024-04-25 10:38:00 -07:00
seccomp_test.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
select_test.c Fix bugs in poll(), select(), ppoll(), and pselect() 2024-09-02 00:29:52 -07:00
setrlimit_test.c Get rid of .internal.h convention in LIBC_INTRIN 2024-07-19 19:38:00 -07:00
shm_open_test.c Fix ctype.h and wctype.h 2024-07-21 15:54:17 -07:00
sig_test.c Apply clang-format update to repo (#1154) 2024-04-25 10:38:00 -07:00
sigaction_test.c Delete ASAN 2024-06-22 05:45:49 -07:00
sigaltstack_test.c Release Cosmopolitan v3.5.6 2024-07-20 02:43:10 -07:00
sigbus_test.c Simplify memory manager 2024-07-05 05:47:15 -07:00
signal_test.c Favor siginfo_t over struct siginfo 2024-05-28 02:34:17 -07:00
sigpending_test.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
sigprocmask_test.c Avoid linker conflicts on DescribeFoo symbols 2024-08-24 18:10:22 -07:00
sigsuspend_test.c Introduce interprocess signaling on Windows 2024-09-19 03:02:13 -07:00
sigtimedwait_test.c Introduce sigtimedwait() on Windows 2024-09-15 01:18:27 -07:00
specialfile_test.c Add /dev/(u)random on NT (#1163) 2024-05-03 07:59:51 -07:00
splice_test.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
stackoverflow1_test.c Fix MODE=optlinux and MODE=tiny builds 2024-07-23 04:04:19 -07:00
stackoverflow2_test.c Fix MODE=optlinux and MODE=tiny builds 2024-07-23 04:04:19 -07:00
stackoverflow3_test.c Fix MODE=optlinux and MODE=tiny builds 2024-07-23 04:04:19 -07:00
stackoverflow4_test.c Fix MODE=optlinux and MODE=tiny builds 2024-07-23 04:04:19 -07:00
stackoverflow5_test.c Fix MODE=optlinux and MODE=tiny builds 2024-07-23 04:04:19 -07:00
stat_test.c Bring back gc() function 2024-01-08 10:26:28 -08:00
statfs_test.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
symlinkat_test.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
timespec_test.c Apply clang-format update to repo (#1154) 2024-04-25 10:38:00 -07:00
tiny64.elf Bump support up to FreeBSD 13 and NetBSD 9.2 2022-06-11 10:36:17 -07:00
unlinkat_test.c Delete ASAN 2024-06-22 05:45:49 -07:00
unveil_test.c Make realloc() go 100x faster on Linux/NetBSD 2024-07-07 12:40:30 -07:00
utimensat_test.c Implement proper time zone support 2024-05-04 23:06:37 -07:00
vfork_test.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
write_test.c Delete ASAN 2024-06-22 05:45:49 -07:00
writev_test.c Remove .internal from more header filenames 2024-08-04 12:52:25 -07:00
zipread.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00