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authorDenys Vlasenko <vda.linux@googlemail.com>2018-12-08 13:49:15 +0100
committerDenys Vlasenko <vda.linux@googlemail.com>2018-12-08 13:49:15 +0100
commit136fe9bede247d3273f5e82b5e856fa5c15a922c (patch)
tree72c105550fa30d42bfd8344a1550eacb7cc5dcb5 /libbb/signals.c
parent9f00a0fdb159432f1d7232253e2180d85e5eca32 (diff)
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suppress gcc 8 aliasing warnings
function old new delta sigprocmask_SIG_SETMASK - 16 +16 wait_for_child_or_signal 221 213 -8 dowait 432 424 -8 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'libbb/signals.c')
-rw-r--r--libbb/signals.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/libbb/signals.c b/libbb/signals.c
index 3f589321c..5a1544db7 100644
--- a/libbb/signals.c
+++ b/libbb/signals.c
@@ -31,6 +31,16 @@ int FAST_FUNC sigprocmask_allsigs(int how)
31 return sigprocmask(how, &set, NULL); 31 return sigprocmask(how, &set, NULL);
32} 32}
33 33
34int FAST_FUNC sigprocmask_SIG_SETMASK(sigset_t *set)
35{
36 // Grr... gcc 8.1.1:
37 // "passing argument 3 to restrict-qualified parameter aliases with argument 2"
38 // dance around that...
39 sigset_t *oset FIX_ALIASING;
40 oset = set;
41 return sigprocmask(SIG_SETMASK, set, oset);
42}
43
34void FAST_FUNC bb_signals(int sigs, void (*f)(int)) 44void FAST_FUNC bb_signals(int sigs, void (*f)(int))
35{ 45{
36 int sig_no = 0; 46 int sig_no = 0;