Joerg Schilling wrote: > In former times, /usr/include/sys/syscall.h did list reasons > for unavailable numbers. I have no idea where to get this from now. > It is most unlikely that syscall # 56 is "available".
In fact, it IS currently available: <http://cvs.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/uts/common/sys/syscall.h#158> 157 #define SYS_ioctl 54 158 #define SYS_uadmin 55 159 #define SYS_utssys 57 In fact, 56 is the only current hole in the syscall numbering scheme between 1..NSYSCALL that is unused and not reserved. For this reason, 56 is also the number used in Eric Schrock's pieces on adding a syscall to Solaris. William Kucharski
