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thunk_pollchar: use read instead of getchar

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This commit is contained in:
jmcneill 2011-12-20 21:07:56 +00:00
parent 34e2106021
commit d13b2de961
1 changed files with 6 additions and 3 deletions
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9
sys/arch/usermode/usermode/thunk.c
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@ -1,4 +1,4 @@
/* $NetBSD: thunk.c,v 1.48 2011/12/20 15:45:37 reinoud Exp $ */
/* $NetBSD: thunk.c,v 1.49 2011/12/20 21:07:56 jmcneill Exp $ */
/*-
* Copyright (c) 2011 Jared D. McNeill <jmcneill@invisible.ca>
@ -28,7 +28,7 @@
#include <sys/cdefs.h>
#ifdef __NetBSD__
__RCSID("$NetBSD: thunk.c,v 1.48 2011/12/20 15:45:37 reinoud Exp $");
__RCSID("$NetBSD: thunk.c,v 1.49 2011/12/20 21:07:56 jmcneill Exp $");
#endif
#include <sys/types.h>
@ -381,6 +381,7 @@ int
thunk_pollchar(void)
{
struct pollfd fds[1];
uint8_t c;
fds[0].fd = STDIN_FILENO;
fds[0].events = POLLIN;
@ -388,7 +389,9 @@ thunk_pollchar(void)
if (poll(fds, __arraycount(fds), 0) > 0) {
if (fds[0].revents & POLLIN) {
return getchar();
if (read(STDIN_FILENO, &c, 1) != 1)
return EOF;
return c;
}
}