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