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Fix boilerplate code for re-running system calls on EINTR and EAGAIN etc.

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The nasty code with static variable in retry_send() which
avoids looping forever needs to be called on success of the syscall,
to reset the static variable.
This commit is contained in:
Simon Kelley
2015-03-11 21:36:30 +00:00
parent 360f2513ab
commit ff841ebf5a
11 changed files with 92 additions and 83 deletions
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2
src/bpf.c
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@@ -359,7 +359,7 @@ void send_via_bpf(struct dhcp_packet *mess, size_t len,
iov[3].iov_base = mess;
iov[3].iov_len = len;
while (writev(daemon->dhcp_raw_fd, iov, 4) == -1 && retry_send());
while (retry_send(writev(daemon->dhcp_raw_fd, iov, 4)));
}
#endif /* defined(HAVE_BSD_NETWORK) && defined(HAVE_DHCP) */