29 lines
776 B
Plaintext
29 lines
776 B
Plaintext
$OpenBSD: patch-libpisock_unixserial_c,v 1.2 2006/10/20 11:48:06 ajacoutot Exp $
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--- libpisock/unixserial.c.orig Sun Aug 27 18:08:10 2006
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+++ libpisock/unixserial.c Mon Sep 18 10:49:10 2006
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@@ -159,13 +159,23 @@ s_open(pi_socket_t *ps, struct pi_sockad
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struct pi_serial_data *data =
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(struct pi_serial_data *)ps->device->data;
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+#define maxretries 100
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+ int retries;
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#ifndef SGTTY
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struct termios tcn;
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#else
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struct sgttyb tcn;
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#endif
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- if ((fd = open(tty, O_RDWR | O_NONBLOCK)) < 0) {
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+
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+ for (retries = 0 ; retries <= maxretries ; retries++ ) {
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+ if ((fd = open(tty, O_RDWR | O_NONBLOCK)) != -1) {
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+ break;
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+ }
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+ usleep(50000);
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+ }
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+
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+ if (fd == -1) {
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ps->last_error = PI_ERR_GENERIC_SYSTEM;
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return PI_ERR_GENERIC_SYSTEM; /* errno already set */
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}
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