29 lines
751 B
Plaintext
29 lines
751 B
Plaintext
$OpenBSD: patch-libpisock_unixserial_c,v 1.1 2004/12/11 04:59:46 pvalchev Exp $
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--- libpisock/unixserial.c.orig Tue Jul 30 09:52:24 2002
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+++ libpisock/unixserial.c Fri Dec 10 21:51:33 2004
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@@ -178,13 +178,23 @@ s_open(struct pi_socket *ps, struct pi_s
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i;
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char *tty = addr->pi_device;
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struct pi_serial_data *data = (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)) == -1) {
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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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return -1; /* errno already set */
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}
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