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35 .Fn getrandom "void *buf" "size_t buflen" "unsigned int flags"
46 argument may include zero or more of the following:
47 .Bl -tag -width _GRND_NONBLOCK_
51 instead of blocking, if the
53 device has not yet been seeded.
56 will block until the device is seeded.
58 This flag does nothing on
65 This flag is treated as an alternative name for
67 It is provided solely for API compatibility with Linux.
72 device has been seeded, reads of up to 256 bytes will always return as many
73 bytes as requested and will not be interrupted by signals.
75 Upon successful completion, the number of bytes which were actually read is
77 For requests larger than 256 bytes, this can be fewer bytes than were
79 Otherwise, -1 is returned and the global variable
81 is set to indicate the error.
85 operation returns the following errors:
94 device was not yet seeded.
98 parameter points to an invalid address.
100 The sleep was interrupted by a signal.
118 It is present in Linux.
122 system call first appeared in
129 does not produce any output before the