cosmopolitan/libc
Justine Tunney 33d280c8ba
Improve Windows Console I/O
- Blocking read operations on the Windows Console can now EINTR
- Blocking read operations on Windows pipes now EINTR more reliably
- setitimer() will no longer be inherited across fork() on Windows
- It's now possible to use ECHO when the console is in raw mode
- The ECHOCTL flag now works correctly on the Windows Console
- The ICRNL flag now works correctly on the Windows Console
- pread() and pwrite() will now raise ESPIPE on Windows
- Opening /dev/tty on Windows is improved (untested)
- Overlapped I/O is now implemented in a better way
2023-08-08 05:44:40 -07:00
..
calls Improve Windows Console I/O 2023-08-08 05:44:40 -07:00
crt Fix breakages in Linux-only build modes 2023-07-09 19:51:44 -07:00
dns Perform inconsequential code cleanup 2023-08-07 20:24:50 -07:00
elf Fix a bunch of Windows bugs reported on Discord 2023-07-28 06:17:34 -07:00
fmt Mint APE Loader v1.5 2023-07-26 13:54:49 -07:00
integral Restore missing cosmopolitan documentation on website 2023-07-30 11:07:53 -07:00
intrin Improve Windows Console I/O 2023-08-08 05:44:40 -07:00
isystem Make more fixes and improvements 2023-07-29 18:44:15 -07:00
log Mint APE Loader v1.5 2023-07-26 13:54:49 -07:00
mem Make more fixes and improvements 2023-07-29 18:44:15 -07:00
nexgen32e Mint APE Loader v1.5 2023-07-26 13:54:49 -07:00
nt Improve Windows Console I/O 2023-08-08 05:44:40 -07:00
runtime Improve Windows Console I/O 2023-08-08 05:44:40 -07:00
sock Improve Windows Console I/O 2023-08-08 05:44:40 -07:00
stdio Improve Windows Console I/O 2023-08-08 05:44:40 -07:00
str Perform inconsequential code cleanup 2023-08-07 20:24:50 -07:00
sysv Make more fixes and improvements 2023-07-29 18:44:15 -07:00
testlib Make more fixes and improvements 2023-07-29 18:44:15 -07:00
thread Make more fixes and improvements 2023-07-29 18:44:15 -07:00
time Mint APE Loader v1.5 2023-07-26 13:54:49 -07:00
tinymath Mint APE Loader v1.5 2023-07-26 13:54:49 -07:00
vga Make improvements 2023-07-10 04:35:14 -07:00
x Make more fixes and improvements 2023-07-29 18:44:15 -07:00
zipos Mint APE Loader v1.5 2023-07-26 13:54:49 -07:00
ar.h Rewrite Cosmopolitan Ar 2023-07-02 10:19:16 -07:00
assert.h Mint APE Loader v1.5 2023-07-26 13:54:49 -07:00
atomic.h Optimize memory layout 2022-09-12 04:26:52 -07:00
complex.h Port a lot more code to AARCH64 2023-05-14 09:37:26 -07:00
cosmo.h Make more fixes and improvements 2023-07-29 18:44:15 -07:00
dce.h Validate privileged code relationships 2023-06-08 04:38:06 -07:00
disclaimer.inc
dos.internal.h Introduce #include <cosmo.h> to toolchain users 2023-06-09 18:03:05 -07:00
empty.s Do some basic build tuning 2023-05-10 04:20:46 -07:00
errno.h Incorporate more small improvements 2023-07-23 10:57:18 -07:00
imag.internal.h Remove evil constants from cosmopolitan.h 2022-12-17 00:42:45 -08:00
inttypes.h Fix inttypes.h FAST16 macros to have a correct definition (#791) 2023-03-29 00:19:40 -07:00
iso646.internal.h Add more missing C / C++ headers 2022-09-04 04:53:52 -07:00
libc.mk Make improvements 2023-07-10 04:35:14 -07:00
limits.h Improve cosmo's conformance to libc-test 2022-10-10 17:52:41 -07:00
literal.h Improve cosmo's conformance to libc-test 2022-10-10 17:52:41 -07:00
mach.internal.h Introduce #include <cosmo.h> to toolchain users 2023-06-09 18:03:05 -07:00
macho.internal.h Fiddle around with Mach-O 2023-05-20 04:13:49 -07:00
macros.internal.h Fix bugs in cosmocc toolchain 2023-06-08 23:44:03 -07:00
math.h Make more ML improvements 2023-05-16 08:07:23 -07:00
notice.inc Improve Libc by making Python work even better 2021-08-18 22:16:23 -07:00
notice.internal.h Add epoll and do more release readiness changes 2020-11-28 12:01:51 -08:00
paths.h Embed cocmd.com interpreter for system() / open() 2022-10-02 15:29:57 -07:00
README.md Reformat libc README.md (#437) 2022-06-21 07:50:42 -07:00
stdalign.internal.h Add more missing C / C++ headers 2022-09-04 04:53:52 -07:00
stdckdint.h Perform inconsequential code cleanup 2023-08-07 20:24:50 -07:00
type2str.h Improve new C23 checked arithmetic feature 2023-06-16 15:32:18 -07:00
zip.internal.h Support symbol tables with arch specific name 2023-07-29 23:50:15 -07:00

Cosmopolitan Standard Library

This directory defines static archives defining functions, like printf(), mmap(), win32, etc. Please note that the Cosmopolitan build configuration doesn't link any C/C++ library dependencies by default, so you still have the flexibility to choose the one provided by your system. If you'd prefer Cosmopolitan, just add $(LIBC) and $(CRT) to your linker arguments.

Your library is compromised of many bite-sized static archives. We use the checkdeps tool to guarantee that the contents of the archives are organized in a logical way that's easy to use with or without our makefile infrastructure, since there's no cyclic dependencies.

The Cosmopolitan Library exports only the most stable canonical system calls for all supported operating systems, regardless of which platform is used for compilation. We polyfill many of the APIs, e.g. read(), write() so they work consistently everywhere while other apis, e.g. CreateWindowEx(), might only work on one platform, in which case they become no-op functions on others.

Cosmopolitan polyfill wrappers will usually use the dollar sign naming convention, so they may be bypassed when necessary. This same convention is used when multiple implementations of string library and other performance-critical function are provided to allow Cosmopolitan to go fast on both old and newer computers.

We take an approach to configuration that relies heavily on the compiler's dead code elimination pass (libc/dce.h). Most of the code is written so that, for example, folks not wanting support for OpenBSD can flip a bit in SUPPORT_VECTOR and that code will be omitted from the build. The same is true for builds that are tuned using -march=native which effectively asks the library to not include runtime support hooks for x86 processors older than what you use.

Please note that, unlike Cygwin or MinGW, Cosmopolitan does not achieve broad support by bolting on a POSIX emulation layer. We do nothing more than (in most cases) stateless API translations that get you 90% of the way there in a fast lightweight manner. We therefore can't address some of the subtle differences, such as the nuances of absolute paths on Windows. Our approach could be compared to something more along the lines of, "the Russians just used a pencil to write in space", versus spending millions researching a pen like NASA.