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Lines 162-174
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| 162 |
system call, so 7 is the return value. |
162 |
system call, so 7 is the return value. |
| 163 |
.Pp |
163 |
.Pp |
| 164 |
The possible operations are: |
164 |
The possible operations are: |
| 165 |
.Bl -column -offset indent ".Li GENIO" ".No data from user process" |
165 |
.Bl -column -offset indent ".Li CALL" ".No data from user process" |
| 166 |
.It Sy Name Ta Sy Operation Ta Sy Fourth field |
166 |
.It Sy Name Ta Sy Operation Ta Sy Fourth field |
| 167 |
.It Li CALL Ta enter syscall Ta syscall name and arguments |
167 |
.It Li CALL Ta enter syscall Ta syscall name and arguments |
| 168 |
.It Li RET Ta return from syscall Ta syscall name and return value |
168 |
.It Li RET Ta return from syscall Ta syscall name and return value |
| 169 |
.It Li NAMI Ta file name lookup Ta path to file |
169 |
.It Li NAMI Ta file name lookup Ta path to file |
| 170 |
.It Li GENIO Ta general I/O Ta fd, read/write, number of bytes |
170 |
.It Li GIO Ta general I/O Ta fd, read/write, number of bytes |
| 171 |
.It Li SIG Ta signal Ta signal name, handler, mask, code |
171 |
.It Li PSIG Ta signal Ta signal name, handler, mask, code |
| 172 |
.It Li CSW Ta context switch Ta stop/resume user/kernel |
172 |
.It Li CSW Ta context switch Ta stop/resume user/kernel |
| 173 |
.It Li USER Ta data from user process Ta the data |
173 |
.It Li USER Ta data from user process Ta the data |
| 174 |
.It Li STRU Ta various syscalls Ta structure |
174 |
.It Li STRU Ta various syscalls Ta structure |