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https://github.com/jart/cosmopolitan.git
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f4f4caab0e
I wanted a tiny scriptable meltdown proof way to run userspace programs and visualize how program execution impacts memory. It helps to explain how things like Actually Portable Executable works. It can show you how the GCC generated code is going about manipulating matrices and more. I didn't feel fully comfortable with Qemu and Bochs because I'm not smart enough to understand them. I wanted something like gVisor but with much stronger levels of assurances. I wanted a single binary that'll run, on all major operating systems with an embedded GPL barrier ZIP filesystem that is tiny enough to transpile to JavaScript and run in browsers too. https://justine.storage.googleapis.com/emulator625.mp4
51 lines
2.7 KiB
C
51 lines
2.7 KiB
C
#ifndef COSMOPOLITAN_LIBC_CALLS_TERMIOS_H_
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#define COSMOPOLITAN_LIBC_CALLS_TERMIOS_H_
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#include "libc/calls/ioctl.h"
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#include "libc/calls/struct/termios.h"
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#include "libc/calls/struct/winsize.h"
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#include "libc/macros.h"
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#include "libc/sysv/consts/termios.h"
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § teletypewriter control ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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int tcgetattr(int, struct termios *);
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int tcsetattr(int, int, const struct termios *);
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int tcsetpgrp(int, int32_t);
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int32_t tcgetpgrp(int);
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int openpty(int *, int *, char *, const struct termios *,
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const struct winsize *) paramsnonnull((1, 2)) nodiscard;
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int forkpty(int *, char *, const struct termios *, const struct winsize *)
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paramsnonnull((1, 2)) nodiscard;
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errno_t ptsname_r(int, char *, size_t);
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int grantpt(int);
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int unlockpt(int);
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int posix_openpt(int) nodiscard;
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § teletypewriter » undiamonding ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
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#define tcsetattr(FD, OPT, TIO) tcsetattr$dispatch(FD, OPT, TIO)
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forceinline int tcsetattr$dispatch(int fd, int opt, const struct termios *tio) {
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if (EQUIVALENT(opt, TCSANOW)) return ioctl(fd, TCSETS, (void *)tio);
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if (EQUIVALENT(opt, TCSADRAIN)) return ioctl(fd, TCSETSW, (void *)tio);
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if (EQUIVALENT(opt, TCSAFLUSH)) return ioctl(fd, TCSETSF, (void *)tio);
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return (tcsetattr)(fd, opt, tio);
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}
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#define tcgetattr(FD, TIO) tcgetattr$dispatch(FD, TIO)
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forceinline int tcgetattr$dispatch(int fd, const struct termios *tio) {
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return ioctl(fd, TCGETS, (void *)tio);
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}
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#endif /* GNUC && !ANSI */
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_LIBC_CALLS_TERMIOS_H_ */
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