sysconf.2 (2010 09)

s
sysconf(2) sysconf(2)
PAGE_SIZE (_SC_PAGE_SIZE
)
Kernel memory page size.
PASS_MAX (_SC_PASS_MAX)
Maximum number of significant bytes in a password.
POSIX_ADVISORY_INFO
(_SC_ADVISORY_INFO
)
Equal to
200112 Note: The value returned may change during the life-
time of the calling process, if the system administrator changes the
hardware configuration. if the Advisory Information option is supported;
-1 otherwise.
POSIX_ASYNCHRONOUS_IO
(_SC_ASYNCHRONOUS_IO
)
Positive if the system supports POSIX Asynchronous Input and Output.
POSIX_BARRIERS
(_SC_BARRIERS)
Equal to
200112 if the Barriers option is supported;
-1 otherwise.
POSIX_CLOCK_SELECTION
(_SC_CLOCK_SELECTION
)
Equal to
200112 if the Clock Selection option is supported; -1 other-
wise.
POSIX_CPUTIME (_SC_CPUTIME)
Equal to
200112 if the Process CPU-Time Clocks option is supported;
-1 otherwise.
POSIX_FSYNC (_SC_FSYNC)
Positive if the File Synchronization option is supported (see fsync (2)).
POSIX_IPV6 (_SC_IPV6)
Equal to
200112 if the IPv6 option is supported; -1 otherwise.
POSIX_JOB_CONTROL
(_SC_JOB_CONTROL)
Positive if the system supports POSIX job control;
-1
otherwise.
POSIX_MAPPED_FILES
(_SC_MAPPED_FILES)
Positive if the system supports POSIX memory locking (see mlockall (2),
munlockall (2)).
POSIX_MEMLOCK (_SC_MEMLOCK)
Positive if the system supports POSIX memory mapped files.
POSIX_MEMLOCK_RANGE
(_SC_MEMLOCK_RANGE)
Positive if the system supports POSIX memory range locking.
POSIX_MEMORY_PROTECTION
(_SC_MEMORY_PROTECTION)
Positive if the system supports POSIX memory protection.
POSIX_MESSAGE_PASSING (_SC_MESSAGE_PASSING
)
Positive if the system supports POSIX Prioritized Input and Output.
POSIX_MONOTONIC_CLOCK (_SC_MONOTONIC_CLOCK
)
Equal to
200112 if the Monotonic Clock option is supported; -1 other-
wise.
POSIX_PRIORITIZED_IO (_SC_PRIORITIZED_IO)
Positive if the system supports POSIX message queues.
POSIX_PRIORITY_SCHEDULING
(_SC_PRIORITY_SCHEDULING)
HP-UX 11i Version 3: September 2010 − 5 − Hewlett-Packard Company 5