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Sync data before closing port

This commit is contained in:
hedgecrw85 2020-04-01 20:33:22 -05:00
parent 057184ba3d
commit 4502ae3a9a
1 changed files with 2 additions and 1 deletions
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3
src/main/c/Posix/SerialPort_Posix.c
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@ -2,7 +2,7 @@
* SerialPort_Posix.c * SerialPort_Posix.c
* *
* Created on: Feb 25, 2012 * Created on: Feb 25, 2012
* Last Updated on: Feb 25, 2020 * Last Updated on: Apr 01, 2020
* Author: Will Hedgecock * Author: Will Hedgecock
* *
* Copyright (C) 2012-2020 Fazecast, Inc. * Copyright (C) 2012-2020 Fazecast, Inc.
@ -525,6 +525,7 @@ JNIEXPORT jboolean JNICALL Java_com_fazecast_jSerialComm_SerialPort_closePortNat
// Close the port // Close the port
flock(serialPortFD, LOCK_UN | LOCK_NB); flock(serialPortFD, LOCK_UN | LOCK_NB);
fdatasync(serialPortFD);
while ((close(serialPortFD) == -1) && (errno == EINTR)) while ((close(serialPortFD) == -1) && (errno == EINTR))
errno = 0; errno = 0;
(*env)->SetLongField(env, obj, serialPortFdField, -1l); (*env)->SetLongField(env, obj, serialPortFdField, -1l);