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termios: Consolidate struct termios

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This patch consolidates the struct termios definition on its own header
and adds arch-defined ones for ABIs that deviate from generic
implementation. They are:

  - alpha which has a slight different layout than generic one (c_cc
    field is defined prior c_line).

  - sparc and mips which do not have the c_ispeed/c_ospeed fields.

No semantic change is expected, checked on a build against x86_64-linux-gnu,
alpha-linux-gnu, mips64-linux-gnu, and sparc64-linux-gnu.

	* sysdeps/unix/sysv/linux/alpha/bits/termios-struct.h: New file.
	* sysdeps/unix/sysv/linux/bits/termios-struct.h: Likewise.
	* sysdeps/unix/sysv/linux/mips/bits/termios-struct.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/bits/termios-struct.h: Likewise.
	* sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Add
	termios-struct.h.
	* sysdeps/unix/sysv/linux/bits/termios.h (struct termios): Move to
	termios-struct.h.
	* sysdeps/unix/sysv/linux/alpha/bits/termios.h (struct termios):
	Likewise.
	* sysdeps/unix/sysv/linux/mips/bits/termios.h (struct termios):
	Likewise.
	* sysdeps/unix/sysv/linux/powerpc/bits/termios.h (struct termios):
	Likewise.
	* sysdeps/unix/sysv/linux/sparc/bits/termios.h (struct termios):
	Likewise.
	* sysdeps/unix/sysv/linux/kernel_termios.h (_HAVE_C_ISPEED,
	_HAVE_C_OSPEED): Define.
	* sysdeps/unix/sysv/linux/mips/kernel_termios.h (_HAVE_C_ISPEED,
	_HAVE_C_OSPEED): Likewise.
	* sysdeps/unix/sysv/linux/sparc/kernel_termios.h (_HAVE_C_ISPEED,
	_HAVE_C_OSPEED): Likewise.
	* sysdeps/unix/sysv/linux/speed.c [_HAVE_STRUCT_TERMIOS_C_OSPEED]
	(cfsetospeed): Check for define value instead of existence.
	[_HAVE_STRUCT_TERMIOS_C_ISPEED] (cfsetispeed): Likewise.
	* sysdeps/unix/sysv/linux/tcgetattr.c [_HAVE_STRUCT_TERMIOS_C_ISPEED
	&& _HAVE_C_ISPEED] (__tcgetattr): Likewise.
	* sysdeps/unix/sysv/linux/tcsetattr.c [_HAVE_STRUCT_TERMIOS_C_ISPEED
	&& _HAVE_C_ISPEED] (__tcsetattr): Likewise.
This commit is contained in:
Adhemerval Zanella
2018-10-09 10:00:14 -03:00
parent 8083afa55d
commit e5a50db36e
17 changed files with 195 additions and 76 deletions
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4
sysdeps/unix/sysv/linux/speed.c
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@ -58,7 +58,7 @@ cfsetospeed (struct termios *termios_p, speed_t speed)
&& (speed < B57600 || speed > __MAX_BAUD))
return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
#ifdef _HAVE_STRUCT_TERMIOS_C_OSPEED
#if _HAVE_STRUCT_TERMIOS_C_OSPEED
termios_p->c_ospeed = speed;
#endif
termios_p->c_cflag &= ~(CBAUD | CBAUDEX);
@ -80,7 +80,7 @@ cfsetispeed (struct termios *termios_p, speed_t speed)
&& (speed < B57600 || speed > __MAX_BAUD))
return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
#ifdef _HAVE_STRUCT_TERMIOS_C_ISPEED
#if _HAVE_STRUCT_TERMIOS_C_ISPEED
termios_p->c_ispeed = speed;
#endif
if (speed == 0)