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modbus-rtu: don't use O_EXCL when opening the device #760

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modbus-rtu: don't use O_EXCL when opening the device #760

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2 changes: 1 addition & 1 deletion src/modbus-rtu.c
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Original file line number Diff line number Diff line change
Expand Up @@ -639,7 +639,7 @@ static int _modbus_rtu_connect(modbus_t *ctx)

Timeouts are ignored in canonical input mode or when the
NONBLOCK option is set on the file via open or fcntl */
flags = O_RDWR | O_NOCTTY | O_NONBLOCK | O_EXCL;
flags = O_RDWR | O_NOCTTY | O_NONBLOCK;
#ifdef O_CLOEXEC
flags |= O_CLOEXEC;
#endif
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