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fix sigaltstack to ignore ss_size with SS_DISABLE, per POSIX
[android-x86/external-musl-libc.git]
/
src
/
signal
/
sigaltstack.c
diff --git
a/src/signal/sigaltstack.c
b/src/signal/sigaltstack.c
index
cfa3f5c
..
d3a6e82
100644
(file)
--- a/
src/signal/sigaltstack.c
+++ b/
src/signal/sigaltstack.c
@@
-5,7
+5,7
@@
int sigaltstack(const stack_t *restrict ss, stack_t *restrict old)
{
if (ss) {
- if (ss->ss_size < MINSIGSTKSZ) {
+ if (
!(ss->ss_flags & SS_DISABLE) &&
ss->ss_size < MINSIGSTKSZ) {
errno = ENOMEM;
return -1;
}