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[PATCH] uml: remove os_isatty

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os_isatty can be made to disappear by moving maybe_sigio_broken from kernel to
user code.  This also lets write_sigio_workaround become static.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jeff Dike
2006-07-10 04:45:11 -07:00
committed by Linus Torvalds
parent bfaafd7184
commit 8e64d96aeb
4 changed files with 16 additions and 23 deletions
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17
arch/um/kernel/irq.c
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@@ -110,19 +110,6 @@ void sigio_handler(int sig, union uml_pt_regs *regs)
free_irqs();
}
static void maybe_sigio_broken(int fd, int type)
{
if (os_isatty(fd)) {
if ((type == IRQ_WRITE) && !pty_output_sigio) {
write_sigio_workaround();
add_sigio_fd(fd, 0);
} else if ((type == IRQ_READ) && !pty_close_sigio) {
write_sigio_workaround();
add_sigio_fd(fd, 1);
}
}
}
static DEFINE_SPINLOCK(irq_lock);
int activate_fd(int irq, int fd, int type, void *dev_id)
@@ -221,7 +208,7 @@ int activate_fd(int irq, int fd, int type, void *dev_id)
/* This calls activate_fd, so it has to be outside the critical
* section.
*/
maybe_sigio_broken(fd, type);
maybe_sigio_broken(fd, (type == IRQ_READ));
return(0);
@@ -318,7 +305,7 @@ void reactivate_fd(int fd, int irqnum)
/* This calls activate_fd, so it has to be outside the critical
* section.
*/
maybe_sigio_broken(fd, irq->type);
maybe_sigio_broken(fd, (irq->type == IRQ_READ));
}
void deactivate_fd(int fd, int irqnum)