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Rewrite Windows console input handling

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This change removes our use of ENABLE_VIRTUAL_TERMINAL_INPUT (which
isn't very good) in favor of having read() translate Windows Console
input events to ANSI/XTERM sequences by hand. This makes it possible to
capture important keystrokes (e.g. ctrl-space) that weren't possible
before. Most importantly this change also removes the stdin/sigwinch
worker threads, which never really worked that well. Interactive TTY
sessions will now work reliably when a Cosmo process spawns or forks
another Cosmo process, e.g. unbourne.com launching emacs.com.
This commit is contained in:
Justine Tunney 2023-09-19 11:42:38 -07:00
parent ececec4c94
commit d6c2830850
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GPG key ID: BE714B4575D6E328
27 changed files with 635 additions and 464 deletions
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13
libc/calls/struct/fd.internal.h
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@ -24,18 +24,22 @@ COSMOPOLITAN_C_START_
#define kFdTtyMunging 4 /* enable input / output remappings */
#define kFdTtyNoCr2Nl 8 /* don't map \r → \n (a.k.a !ICRNL) */
#define kFdTtyNoIsigs 16
#define kFdTtyNoBlock 32
#define kFdTtyXtMouse 64
struct Fd {
char kind;
bool eoftty;
bool dontclose;
char buflen;
char buf[4];
unsigned char buflen;
unsigned flags;
unsigned mode;
int64_t handle;
int64_t extra;
int64_t pointer;
pthread_mutex_t lock;
unsigned char mousebuttons;
char buf[32];
};
struct StdinRelay {
@ -55,11 +59,6 @@ struct Fds {
struct StdinRelay stdin;
};
void WinMainStdin(void);
int64_t __resolve_stdin_handle(int64_t);
int __munge_terminal_input(char *, uint32_t *);
void __echo_terminal_input(struct Fd *, char *, size_t);
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_CALLS_STRUCT_FD_INTERNAL_H_ */