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Unified Diff: fusl/src/signal/sigismember.c

Issue 1573973002: Add a "fork" of musl as //fusl. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Created 4 years, 11 months ago
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Index: fusl/src/signal/sigismember.c
diff --git a/fusl/src/signal/sigismember.c b/fusl/src/signal/sigismember.c
new file mode 100644
index 0000000000000000000000000000000000000000..ab87d62249de487cdb1c0990ffa26acf60160ade
--- /dev/null
+++ b/fusl/src/signal/sigismember.c
@@ -0,0 +1,8 @@
+#include <signal.h>
+
+int sigismember(const sigset_t *set, int sig)
+{
+ unsigned s = sig-1;
+ if (s >= _NSIG-1) return 0;
+ return !!(set->__bits[s/8/sizeof *set->__bits] & 1UL<<(s&8*sizeof *set->__bits-1));
+}
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