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87a6669900
This change makes send() / sendto() always block on Windows. It's needed because poll(POLLOUT) doesn't guarantee a socket is immediately writable on Windows, and it caused rsync to fail because it made that assumption. The only exception is when a SO_SNDTIMEO is specified which will EAGAIN. Tests are added confirming MSG_WAITALL and MSG_NOSIGNAL work as expected on all our supported OSes. Most of the platform-specific MSG_FOO magnums have been deleted, with the exception of MSG_FASTOPEN. Your --strace log will now show MSG_FOO flags as symbols rather than numbers. I've also removed cv_wait_example_test because it's 0.3% flaky with Qemu under system load since it depends on a process being readily scheduled.
22 lines
623 B
C
22 lines
623 B
C
#ifndef COSMOPOLITAN_LIBC_SYSV_CONSTS_MSG_H_
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#define COSMOPOLITAN_LIBC_SYSV_CONSTS_MSG_H_
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COSMOPOLITAN_C_START_
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extern const int MSG_DONTWAIT;
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extern const int MSG_WAITALL;
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extern const int MSG_NOSIGNAL;
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extern const int MSG_TRUNC;
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extern const int MSG_CTRUNC;
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extern const int MSG_FASTOPEN; /* linux only */
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#define MSG_OOB 1
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#define MSG_PEEK 2
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#define MSG_DONTROUTE 4
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#define MSG_DONTWAIT MSG_DONTWAIT
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#define MSG_NOSIGNAL MSG_NOSIGNAL
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#define MSG_WAITALL MSG_WAITALL
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#define MSG_TRUNC MSG_TRUNC
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#define MSG_CTRUNC MSG_CTRUNC
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COSMOPOLITAN_C_END_
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#endif /* COSMOPOLITAN_LIBC_SYSV_CONSTS_MSG_H_ */
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