1 PER_LINUX 0 2 PER_LINUX_32BIT ADDR_LIMIT_32BIT 3 PER_LINUX_FDPIC FDPIC_FUNCPTRS 4 PER_SVR4 (0x0001 | STICKY_TIMEOUTS | MMAP_PAGE_ZERO) 5 PER_SVR3 (0x0002 | STICKY_TIMEOUTS | SHORT_INODE) 6 PER_SCOSVR3 (0x0003 | STICKY_TIMEOUTS | WHOLE_SECONDS | SHORT_INODE) 7 PER_OSR5 (0x0003 | STICKY_TIMEOUTS | WHOLE_SECONDS) 8 PER_WYSEV386 (0x0004 | STICKY_TIMEOUTS | SHORT_INODE) 9 PER_ISCR4 (0x0005 | STICKY_TIMEOUTS) 10 PER_BSD 0x0006 11 PER_SUNOS (0x0006 | STICKY_TIMEOUTS) 12 PER_XENIX (0x0007 | STICKY_TIMEOUTS | SHORT_INODE) 13 PER_LINUX32 0x0008 14 PER_LINUX32_3GB (0x0008 | ADDR_LIMIT_3GB) 15 PER_IRIX32 (0x0009 | STICKY_TIMEOUTS) 16 PER_IRIXN32 (0x000a | STICKY_TIMEOUTS) 17 PER_IRIX64 (0x000b | STICKY_TIMEOUTS) 18 PER_RISCOS 0x000c 19 PER_SOLARIS (0x000d | STICKY_TIMEOUTS) 20 PER_UW7 (0x000e | STICKY_TIMEOUTS | MMAP_PAGE_ZERO) 21 PER_OSF4 0x000f 22 PER_HPUX 0x0010 23 PER_MASK 0x00ff 24
