intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 78 insertions, 0 deletions

diff --git a/util/system/sigset.h b/util/system/sigset.h
new file mode 100644
index 0000000000..8dd02fd817
--- /dev/null
+++ b/util/system/sigset.h
@@ -0,0 +1,78 @@
+#pragma once
+
+// Functions for manipulating signal sets
+
+#include "compat.h"
+
+#if defined _unix_
+    #include <pthread.h>
+#elif defined _win_
+    // Flags for sigprocmask:
+    #define SIG_BLOCK 1
+    #define SIG_UNBLOCK 2
+    #define SIG_SETMASK 3
+
+using sigset_t = ui32;
+
+#else
+    #error not supported yet
+#endif
+
+inline int SigEmptySet(sigset_t* set) {
+#if defined _unix_
+    return sigemptyset(set);
+#else
+    Y_UNUSED(set);
+    return 0;
+#endif
+}
+
+inline int SigFillSet(sigset_t* set) {
+#if defined _unix_
+    return sigfillset(set);
+#else
+    Y_UNUSED(set);
+    return 0;
+#endif
+}
+
+inline int SigAddSet(sigset_t* set, int signo) {
+#if defined _unix_
+    return sigaddset(set, signo);
+#else
+    Y_UNUSED(set);
+    Y_UNUSED(signo);
+    return 0;
+#endif
+}
+
+inline int SigDelSet(sigset_t* set, int signo) {
+#if defined _unix_
+    return sigdelset(set, signo);
+#else
+    Y_UNUSED(set);
+    Y_UNUSED(signo);
+    return 0;
+#endif
+}
+
+inline int SigIsMember(const sigset_t* set, int signo) {
+#if defined _unix_
+    return sigismember(const_cast<sigset_t*>(set), signo);
+#else
+    Y_UNUSED(set);
+    Y_UNUSED(signo);
+    return 0;
+#endif
+}
+
+inline int SigProcMask(int how, const sigset_t* set, sigset_t* oset) {
+#if defined _unix_
+    return pthread_sigmask(how, set, oset);
+#else
+    Y_UNUSED(set);
+    Y_UNUSED(oset);
+    Y_UNUSED(how);
+    return 0;
+#endif
+}