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41d042cc86d1ac7f99be141eff4e2966e933da73
ladybird/Libraries/LibC
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Sergey Bugaev 3ac0c9b9e7 LibPthread: Implement pthread_once() 
The implementation uses atomics and futexes (yay!) and is heavily based on the
implementation I did for my learning project named "Let's write synchronization
primitives" [0].

That project, in fact, started when I tried to implement pthread_once() for
Serenity (because it was needed for another project of mine, stay tuned ;) ) and
was not very sure I got every case right. So now, after learning some more about
code patterns around atomics and futexes, I am reasonably sure, and it's time to
contribute the implementation of pthread_once() to Serenity :^)

[0] To be published at https://github.com/bugaevc/lets-write-sync-primitives
2020-11-24 21:36:28 +01:00
..
arpa
LibC: Fix a warning when building LibC with -O2
2020-10-20 18:10:22 +02:00
bits
LibC: Add POSIX1 minimum limits to limits.h
2020-11-10 14:39:38 +01:00
net
Meta: Add a script check the presence of "#pragma once" in header files
2020-05-29 07:59:45 +02:00
netinet
LibC: Add some missing netinet macros required by OpenSSH
2020-09-27 01:02:11 +02:00
sys
LibPthread: Implement pthread_once()
2020-11-24 21:36:28 +01:00
alloca.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
assert.cpp
LibC: Remove endless loop after abort() call
2020-05-26 14:35:10 +02:00
assert.h
LibC: Make sure assert() expands to *something* in non-DEBUG builds
2020-08-11 20:29:14 +02:00
byteswap.h
Meta: Add missing copyright headers
2020-04-06 11:09:01 +02:00
CMakeLists.txt
CMake: Use CONFIGURE_DEPENDS in existing globs.
2020-10-29 11:52:47 +01:00
crt0.cpp
LibC: Avoid ninja-imports of system functions
2020-08-12 20:40:59 +02:00
crti.S
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
crtn.S
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
ctype.cpp
LibC: Remove an unneeded string.h include in ctype.h/cpp
2020-09-27 21:15:25 +02:00
ctype.h
LibC: Remove an unneeded string.h include in ctype.h/cpp
2020-09-27 21:15:25 +02:00
cxxabi.cpp
LibC: Move C++ABI functions to cxxabi.cpp, typecheck cxa_atexit
2020-08-12 20:40:59 +02:00
dirent.cpp
Kernel: Move headers intended for userspace use into Kernel/API/
2020-07-04 17:22:23 +02:00
dirent.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
dlfcn.cpp
Meta+LibC through LibHTTP: Make clang-format-10 clean
2020-09-25 21:18:17 +02:00
dlfcn.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
endian.h
LibC: Fix big endian definitions
2020-02-19 16:08:28 +01:00
errno_numbers.h
Kernel+LibC: Don't allow a directory to become a subdirectory of itself
2020-11-01 19:21:19 +01:00
errno.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
fcntl.cpp
LibC: Missing varargs cleanup in fcntl
2020-08-17 09:17:57 +02:00
fcntl.h
Kernel+LibC: Switch isatty() to use a fcntl()
2020-05-20 08:31:31 +02:00
fd_set.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
float.h
Meta: Add a script check the presence of "#pragma once" in header files
2020-05-29 07:59:45 +02:00
getopt.cpp
LibC: Don't include things required for getopt_long in unistd.h
2020-09-06 21:36:36 +02:00
getopt.h
LibC: Include cdefs.h in getopt.h
2020-09-27 01:02:11 +02:00
grp.cpp
LibC: Use AK::String-backed buffers instead of static buffers
2020-08-30 17:35:27 +02:00
grp.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
iconv.h
Meta+LibC through LibHTTP: Make clang-format-10 clean
2020-09-25 21:18:17 +02:00
inttypes.h
LibC: Add some missing macros to inttypes.h
2020-02-20 06:51:16 +01:00
ioctl.cpp
LibC: Missing varargs cleanup in ioctl
2020-08-17 09:17:57 +02:00
libcinit.cpp
LibC: Move C++ABI functions to cxxabi.cpp, typecheck cxa_atexit
2020-08-12 20:40:59 +02:00
libgen.cpp
Meta: Claim copyright for files created by me
2020-01-24 15:15:16 +01:00
libgen.h
Meta: Claim copyright for files created by me
2020-01-24 15:15:16 +01:00
limits.h
LibC: Add POSIX1 minimum limits to limits.h
2020-11-10 14:39:38 +01:00
locale.cpp
LibC: Use dbgln() in setlocale()
2020-10-30 17:03:28 +01:00
locale.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
malloc.cpp
LibC: Notify UE at the start of free() instead of at the end
2020-11-16 15:11:02 +01:00
mallocdefs.h
LibC: Move some of malloc's data structures into mallocdefs.h
2020-11-14 22:51:49 +01:00
memory.h
Meta: Add a script check the presence of "#pragma once" in header files
2020-05-29 07:59:45 +02:00
mman.cpp
Kernel+LibC: Use uintptr_t as the main type in the syscall interface
2020-10-12 19:53:25 +02:00
mman.h
Kernel+LibC: Add minherit() and MAP_INHERIT_ZERO
2020-04-12 20:22:26 +02:00
mntent.cpp
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
mntent.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
netdb.cpp
Everywhere: Fix typos
2020-10-02 16:03:17 +02:00
netdb.h
LibC: getprotoent() family of functions
2020-04-18 10:11:55 +02:00
paths.h
LibC: Add paths.h with some default mail directory for now
2020-09-27 01:02:11 +02:00
poll.cpp
Kernel: Move headers intended for userspace use into Kernel/API/
2020-07-04 17:22:23 +02:00
poll.h
LibC+Kernel: Implement ppoll
2020-06-23 14:12:20 +02:00
pwd.cpp
LibC: Use AK::String-backed buffers instead of static buffers
2020-08-30 17:35:27 +02:00
pwd.h
LibC: Implement putpwent()
2020-02-02 10:58:45 +01:00
qsort.cpp
LibC: Remove unused data member in the qsort() implementation
2020-08-24 18:22:09 +02:00
scanf.cpp
LibC: Add FIXME for vsscanf
2020-09-27 01:02:11 +02:00
sched.cpp
Kernel: Move headers intended for userspace use into Kernel/API/
2020-07-04 17:22:23 +02:00
sched.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
serenity.cpp
Kernel+LibC: Use uintptr_t as the main type in the syscall interface
2020-10-12 19:53:25 +02:00
serenity.h
Kernel+LibC: Use uintptr_t as the main type in the syscall interface
2020-10-12 19:53:25 +02:00
setjmp.h
Meta+LibC through LibHTTP: Make clang-format-10 clean
2020-09-25 21:18:17 +02:00
setjmp.S
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
signal_numbers.h
Kernel+LibC+UE: Introduce SIGINFO (generated with ^T)
2020-09-09 21:10:23 +02:00
signal.cpp
Userland+LibC: Add "kill -l" to show all known signal names/numbers
2020-10-29 23:32:18 +01:00
signal.h
Userland+LibC: Add "kill -l" to show all known signal names/numbers
2020-10-29 23:32:18 +01:00
spawn.cpp
Meta+LibC through LibHTTP: Make clang-format-10 clean
2020-09-25 21:18:17 +02:00
spawn.h
Add manpages for posix_spawn
2020-07-06 10:01:14 +02:00
stat.cpp
LibC: Move stat(), lstat() and fstat() to <sys/stat.h>
2020-08-11 20:29:14 +02:00
stdarg.h
Kernel: Absorb LibBareMetal back into the kernel
2020-05-16 12:00:04 +02:00
stdbool.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
stddef.h
Meta+LibC through LibHTTP: Make clang-format-10 clean
2020-09-25 21:18:17 +02:00
stdint.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
stdio.cpp
AK: Make the return type of dbgputstr consistent.
2020-10-04 19:18:32 +02:00
stdio.h
AK: Make the return type of dbgputstr consistent.
2020-10-04 19:18:32 +02:00
stdlib.cpp
LibC: Ensure mkstemp generates a pattern 6 characters in length
2020-11-15 09:38:35 +01:00
stdlib.h
LibC: Made mbtowc return int instead of size_t
2020-09-27 01:02:11 +02:00
string.cpp
LibC: strtok_r() should not go past the last token
2020-11-14 11:24:42 +01:00
string.h
LibC: Don't advertise wrong functions
2020-09-12 13:46:15 +02:00
strings.cpp
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
strings.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
syslog.cpp
AK: Add a forward declaration header
2020-02-14 23:31:18 +01:00
syslog.h
LibC: We still need to use NULL (not nullptr) in C headers
2020-10-14 13:57:51 +02:00
termcap.cpp
LibC: Deprecate strcpy(), strncpy(), strcat() and strncat() :^)
2020-08-30 17:35:27 +02:00
termcap.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
termios.cpp
LibC: Implement tcflush(3)
2020-07-11 11:33:33 +02:00
termios.h
LibC: Implement cf{g,s}et{i,o}speed
2020-07-04 10:49:36 +02:00
time.cpp
Kernel+LibC: Add adjtime(2)
2020-11-10 19:03:08 +01:00
time.h
LibC: Make difftime a function
2020-10-15 13:45:00 +02:00
times.cpp
Kernel: Move headers intended for userspace use into Kernel/API/
2020-07-04 17:22:23 +02:00
ulimit.cpp
LibC: Log calls to getrusage
2020-05-07 23:32:11 +02:00
ulimit.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
unistd.cpp
Kernel: Make copy_to/from_user safe and remove unnecessary checks
2020-09-13 21:19:15 +02:00
unistd.h
Kernel: Implement _SC_OPEN_MAX
2020-09-27 01:02:11 +02:00
utime.cpp
Kernel: Move headers intended for userspace use into Kernel/API/
2020-07-04 17:22:23 +02:00
utime.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
utmp.h
LibC: Add missing utmp backwards compatibility hacks and user/dead process macros
2020-09-27 01:02:11 +02:00
utsname.cpp
Kernel: Move headers intended for userspace use into Kernel/API/
2020-07-04 17:22:23 +02:00
wchar.cpp
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
wchar.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00