diff --git a/src/main/c/Posix/SerialPort_Posix.c b/src/main/c/Posix/SerialPort_Posix.c
index 98a29de..9886e65 100644
--- a/src/main/c/Posix/SerialPort_Posix.c
+++ b/src/main/c/Posix/SerialPort_Posix.c
@@ -339,7 +339,7 @@ JNIEXPORT void JNICALL Java_com_fazecast_jSerialComm_SerialPort_initializeLibrar
 
 	// Disable handling of various POSIX signals
 	sigset_t blockMask;
-	sigemptyset(&blockMask);
+	memset(&blockMask, 0, sizeof(blockMask));
 	struct sigaction ignoreAction = { 0 };
 	ignoreAction.sa_handler = SIG_IGN;
 	ignoreAction.sa_mask = blockMask;
diff --git a/src/main/resources/Android/arm64-v8a/libjSerialComm.so b/src/main/resources/Android/arm64-v8a/libjSerialComm.so
index 7c8f577..dccfce2 100644
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diff --git a/src/main/resources/Android/armeabi-v7a/libjSerialComm.so b/src/main/resources/Android/armeabi-v7a/libjSerialComm.so
index 0fef5d3..0ad0f19 100644
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diff --git a/src/main/resources/Android/x86/libjSerialComm.so b/src/main/resources/Android/x86/libjSerialComm.so
index 6dc7667..6d48a3a 100644
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diff --git a/src/main/resources/Android/x86_64/libjSerialComm.so b/src/main/resources/Android/x86_64/libjSerialComm.so
index 8925162..d07dfcd 100644
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diff --git a/src/main/resources/FreeBSD/arm64/libjSerialComm.so b/src/main/resources/FreeBSD/arm64/libjSerialComm.so
index d2c19ea..67e75ac 100644
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diff --git a/src/main/resources/FreeBSD/x86/libjSerialComm.so b/src/main/resources/FreeBSD/x86/libjSerialComm.so
index 253fac7..e6d3196 100644
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diff --git a/src/main/resources/FreeBSD/x86_64/libjSerialComm.so b/src/main/resources/FreeBSD/x86_64/libjSerialComm.so
index 42e0a56..25ca12b 100644
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diff --git a/src/main/resources/Linux/armv5/libjSerialComm.so b/src/main/resources/Linux/armv5/libjSerialComm.so
index ee1b72a..554953c 100644
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diff --git a/src/main/resources/Linux/armv6/libjSerialComm.so b/src/main/resources/Linux/armv6/libjSerialComm.so
index e917dfb..4da21ce 100644
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diff --git a/src/main/resources/Linux/armv6hf/libjSerialComm.so b/src/main/resources/Linux/armv6hf/libjSerialComm.so
index dee3427..4784edf 100644
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diff --git a/src/main/resources/Linux/armv7/libjSerialComm.so b/src/main/resources/Linux/armv7/libjSerialComm.so
index 3f8c64b..a492f6c 100644
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diff --git a/src/main/resources/Linux/armv7hf/libjSerialComm.so b/src/main/resources/Linux/armv7hf/libjSerialComm.so
index 938bce0..28e4d5a 100644
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diff --git a/src/main/resources/Linux/armv8_32/libjSerialComm.so b/src/main/resources/Linux/armv8_32/libjSerialComm.so
index e954d3a..d991076 100644
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diff --git a/src/main/resources/Linux/armv8_64/libjSerialComm.so b/src/main/resources/Linux/armv8_64/libjSerialComm.so
index 85c5d2a..532d218 100644
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diff --git a/src/main/resources/Linux/ppc64le/libjSerialComm.so b/src/main/resources/Linux/ppc64le/libjSerialComm.so
index 67974a6..5e3daf6 100644
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diff --git a/src/main/resources/Linux/x86/libjSerialComm.so b/src/main/resources/Linux/x86/libjSerialComm.so
index a277def..3711b28 100644
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diff --git a/src/main/resources/Linux/x86_64/libjSerialComm.so b/src/main/resources/Linux/x86_64/libjSerialComm.so
index 6321eca..fbc1682 100644
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diff --git a/src/main/resources/Solaris/sparcv8plus_32/libjSerialComm.so b/src/main/resources/Solaris/sparcv8plus_32/libjSerialComm.so
index d50afb3..87f8ad5 100644
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diff --git a/src/main/resources/Solaris/sparcv9_64/libjSerialComm.so b/src/main/resources/Solaris/sparcv9_64/libjSerialComm.so
index a190289..50213fe 100644
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diff --git a/src/main/resources/Solaris/x86/libjSerialComm.so b/src/main/resources/Solaris/x86/libjSerialComm.so
index 465e9ca..244f20a 100644
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diff --git a/src/main/resources/Solaris/x86_64/libjSerialComm.so b/src/main/resources/Solaris/x86_64/libjSerialComm.so
index 6e12191..0ee3d70 100644
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