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Annotation of cci/usr/src/man/man2/syscall.2, revision 1.1.1.1

1.1       root        1: .TH SYSCALL 2 "12 February 1983"
                      2: .UC 4
                      3: .SH NAME
                      4: syscall \- indirect system call
                      5: .SH SYNOPSIS
                      6: .nf
                      7: .BR "syscall(number, arg, ...)" \  \  
                      8: .fi
                      9: .SH DESCRIPTION
                     10: .I Syscall
                     11: performs the system call whose assembly language
                     12: interface has the specified
                     13: .I number,
                     14: register arguments
                     15: .I r0
                     16: and
                     17: .I r1
                     18: and further arguments
                     19: .IR arg .
                     20: .PP
                     21: The r0 value of the system call is returned.
                     22: .SH DIAGNOSTICS
                     23: When the C-bit is set,
                     24: .I syscall
                     25: returns \-1 and sets the
                     26: external variable 
                     27: .I errno
                     28: (see
                     29: .IR intro (2)).
                     30: .SH BUGS
                     31: There is no way to simulate system calls
                     32: such as
                     33: .IR pipe (2),
                     34: which return values in register r1.

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