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XFree86: Input: Save/restore errno around SIGIO (bug #10683)

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Make sure errno is saved and restored from the SIGIO handler, so errors
from system calls in input handlers don't break the interrupted code.
(cherry picked from commit 41c3069f7c)
This commit is contained in:
Mark Vytlacil 2007-11-01 21:05:43 +02:00 • committed by Daniel Stone
parent ad05d5d035
commit ab80b27250
1 changed files with 2 additions and 0 deletions
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2
hw/xfree86/common/xf86Events.c
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@ -510,12 +510,14 @@ static void
xf86SigioReadInput(int fd,
void *closure)
{
int errno_save = errno;
int sigstate = xf86BlockSIGIO();
InputInfoPtr pInfo = (InputInfoPtr) closure;
pInfo->read_input(pInfo);
xf86UnblockSIGIO(sigstate);
errno = errno_save;
}
/*