pintos/src/utils/squish-pty.c File Reference

#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stropts.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <termios.h>
#include <unistd.h>

Go to the source code of this file.

Defines
#define	_GNU_SOURCE   1
Functions
static void	fail_io (const char *msg,...) __attribute__((noreturn)) __attribute__((format(printf
static void	make_noncanon (int fd, int vmin, int vtime)
static void	make_nonblocking (int fd, bool nonblocking)
static bool	handle_error (ssize_t retval, int *fd, bool fd_is_pty, const char *call)
static void	relay (int pty, int dead_child_fd)
static void	sigchld_handler (int signo __attribute__((unused)))
int	main (int argc __attribute__((unused)), char *argv[])
Variables
static int	dead_child_fd

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Define Documentation

#define _GNU_SOURCE   1

Definition at line 1 of file squish-pty.c.

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Function Documentation

static void static void fail_io	(	const char *	msg,
			...
	)			[static]

Definition at line 29 of file squish-pty.c.

References exit(), EXIT_FAILURE, va_end, and va_start.

Referenced by handle_error(), main(), make_nonblocking(), make_noncanon(), and relay().

static bool handle_error	(	ssize_t	retval,
		int *	fd,
		bool	fd_is_pty,
		const char *	call
	)			[static]

Definition at line 84 of file squish-pty.c.

References close(), and fail_io().

Referenced by relay().

int main	(	int argc	__attribute__(unused),
		char *	argv[]
	)

Definition at line 256 of file squish-pty.c.

References close(), dead_child_fd, EXIT_FAILURE, fail_io(), memset(), name, NULL, open(), relay(), sigchld_handler(), and STDOUT_FILENO.

static void make_nonblocking	(	int	fd,
		bool	nonblocking
	)			[static]

Definition at line 65 of file squish-pty.c.

References fail_io().

Referenced by main(), and relay().

static void make_noncanon	(	int	fd,
		int	vmin,
		int	vtime
	)			[static]

Definition at line 47 of file squish-pty.c.

References fail_io().

Referenced by relay().

static void relay	(	int	pty,
		int	dead_child_fd
	)			[static]

Definition at line 117 of file squish-pty.c.

References buf, fail_io(), handle_error(), make_nonblocking(), make_noncanon(), memmove(), memset(), NULL, read(), STDIN_FILENO, STDOUT_FILENO, and write().

Referenced by main().

static void sigchld_handler

(

int signo

__attribute__(unused)

)

[static]

Definition at line 249 of file squish-pty.c.

References dead_child_fd, and write().

Referenced by main().

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Variable Documentation

int dead_child_fd [static]

Definition at line 246 of file squish-pty.c.

Referenced by main(), and sigchld_handler().