Commit 35d275c7 authored by Eric Anholt's avatar Eric Anholt Committed by Keith Packard

os: Initialize the set of signals to be suppressed during our handler.

Fixes a valgrind complaint:

==8805== Syscall param rt_sigaction(act->sa_mask) points to uninitialised byte(s)
==8805==    at 0x5EB8315: __libc_sigaction (sigaction.c:66)
==8805==    by 0x5B13DA: busfault_init (busfault.c:145)
==8805==    by 0x5A60A2: OsInit (osinit.c:191)
==8805==    by 0x46EBA2: dix_main (main.c:163)
Signed-off-by: Eric Anholt's avatarEric Anholt <>
Reviewed-by: Alan Coopersmith's avatarAlan Coopersmith <>
Reviewed-by: Adam Jackson's avatarAdam Jackson <>
Signed-off-by: Keith Packard's avatarKeith Packard <>
parent 19e5a139
......@@ -142,6 +142,7 @@ busfault_init(void)
act.sa_sigaction = busfault_sigaction;
act.sa_flags = SA_SIGINFO;
if (sigaction(SIGBUS, &act, &old_act) < 0)
return FALSE;
previous_busfault_sigaction = old_act.sa_sigaction;
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