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preserve errno around the SIGIO handler

This commit is contained in:
Matthieu Herrb 2008-05-19 02:24:17 +02:00 committed by Matthieu Herrb
parent 0a81d47638
commit 19c7e9da55
1 changed files with 3 additions and 0 deletions
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3
hw/xfree86/os-support/shared/sigio.c
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@ -101,6 +101,7 @@ xf86SIGIO (int sig)
int i; int i;
fd_set ready; fd_set ready;
struct timeval to; struct timeval to;
int save_errno = errno; /* do not clobber the global errno */
int r; int r;
ready = xf86SigIOMask; ready = xf86SigIOMask;
@ -117,6 +118,8 @@ xf86SIGIO (int sig)
if (r > 0) { if (r > 0) {
xf86Msg(X_ERROR, "SIGIO %d descriptors not handled\n", r); xf86Msg(X_ERROR, "SIGIO %d descriptors not handled\n", r);
} }
/* restore global errno */
errno = save_errno;
} }
static int static int