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transfused: improve write_exactly error handling
Signed-off-by: David Sheets <dsheets@docker.com>
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@ -303,10 +303,12 @@ void write_exactly(char *descr, int fd, void *p, size_t nbyte)
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char *buf = p;
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do {
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/* TODO: socket write conditions e.g.EAGAIN */
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write_count = write(fd, buf, nbyte);
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if (write_count < 0)
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if (write_count < 0) {
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if (errno == EINTR || errno == EAGAIN)
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continue;
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die(1, NULL, "", "%s: error writing: ", descr);
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}
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if (write_count == 0)
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die(1, NULL, "", "%s: 0 write: ", descr);
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