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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [sys/] [linux/] [sysconf.c] - Rev 207
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/* libc/sys/linux/sysconf.c - The sysconf function */ /* Copyright 2002, Red Hat Inc. */ #include <unistd.h> #include <limits.h> #include <time.h> #include <errno.h> #include <sys/types.h> long int sysconf (int name) { switch (name) { case _SC_AIO_LISTIO_MAX: #ifdef AIO_LISTIO_MAX return AIO_LISTIO_MAX; #else return -1; #endif case _SC_AIO_MAX: #ifdef AIO_MAX return AIO_MAX; #else return -1; #endif case _SC_AIO_PRIO_DELTA_MAX: #ifdef AIO_PRIO_DELTA_MAX return AIO_PRIO_DELTA_MAX; #else return -1; #endif case _SC_ARG_MAX: #ifdef ARG_MAX return ARG_MAX; #else return -1; #endif case _SC_CHILD_MAX: #ifdef CHILD_MAX return CHILD_MAX; #else return -1; #endif case _SC_CLK_TCK: return CLK_TCK; case _SC_DELAYTIMER_MAX: #ifdef DELAYTIMER_MAX return DELAYTIMER_MAX; #else return -1; #endif case _SC_GETGR_R_SIZE_MAX: #ifdef _GETGR_R_SIZE_MAX return _GETGR_R_SIZE_MAX; #else return -1; #endif case _SC_GETPW_R_SIZE_MAX: #ifdef _GETPW_R_SIZE_MAX return _GETPW_R_SIZE_MAX; #else return -1; #endif case _SC_LOGIN_NAME_MAX: #ifdef LOGIN_NAME_MAX return LOGIN_NAME_MAX; #else return -1; #endif case _SC_MQ_OPEN_MAX: #ifdef MQ_OPEN_MAX return MQ_OPEN_MAX; #else return -1; #endif case _SC_MQ_PRIO_MAX: #ifdef MQ_PRIO_MAX return MQ_PRIO_MAX; #else return -1; #endif case _SC_NGROUPS_MAX: #ifdef NGROUPS_MAX return NGROUPS_MAX; #else return -1; #endif case _SC_OPEN_MAX: #ifdef OPEN_MAX return OPEN_MAX; #else return -1; #endif case _SC_PAGESIZE: #ifdef PAGESIZE return PAGESIZE; #else return -1; #endif case _SC_RTSIG_MAX: #ifdef RTSIG_MAX return RTSIG_MAX; #else return -1; #endif case _SC_SEM_NSEMS_MAX: #ifdef SEM_NSEMS_MAX return SEM_NSEMS_MAX; #else return -1; #endif case _SC_SEM_VALUE_MAX: #ifdef SEM_VALUE_MAX return SEM_VALUE_MAX; #else return -1; #endif case _SC_SIGQUEUE_MAX: #ifdef SIGQUEUE_MAX return SIGQUEUE_MAX; #else return -1; #endif case _SC_STREAM_MAX: #ifdef STREAM_MAX return STREAM_MAX; #else return -1; #endif case _SC_THREAD_DESTRUCTOR_ITERATIONS: #ifdef PTHREAD_DESTRUCTOR_ITERATIONS return PTHREAD_DESTRUCTOR_ITERATIONS; #else return -1; #endif case _SC_THREAD_KEYS_MAX: #ifdef PTHREAD_KEYS_MAX return PTHREAD_KEYS_MAX; #else return -1; #endif case _SC_THREAD_STACK_MIN: #ifdef PTHREAD_STACK_MIN return PTHREAD_STACK_MIN; #else return -1; #endif case _SC_THREAD_THREADS_MAX: #ifdef PTHREAD_THREADS_MAX return PTHREAD_THREADS_MAX; #else return -1; #endif case _SC_TIMER_MAX: #ifdef TIMER_MAX return TIMER_MAX; #else return -1; #endif case _SC_TTY_NAME_MAX: #ifdef TTY_NAME_MAX return TTY_NAME_MAX; #else return -1; #endif case _SC_TZNAME_MAX: #ifdef TZNAME_MAX return TZNAME_MAX; #else return -1; #endif case _SC_ASYNCHRONOUS_IO: #ifdef _POSIX_ASYNCHRONOUS_IO return 1; #else return -1; #endif case _SC_FSYNC: #ifdef _POSIX_FSYNC return 1; #else return -1; #endif case _SC_JOB_CONTROL: #ifdef _POSIX_JOB_CONTROL return 1; #else return -1; #endif case _SC_MAPPED_FILES: #ifdef _POSIX_MAPPED_FILES return 1; #else return -1; #endif case _SC_MEMLOCK: #ifdef _POSIX_MEMLOCK return 1; #else return -1; #endif case _SC_MEMLOCK_RANGE: #ifdef _POSIX_MEMLOCK_RANGE return _POSIX_MEMLOCK_RANGE; #else return -1; #endif case _SC_MEMORY_PROTECTION: #ifdef _POSIX_MEMORY_PROTECTION return 1; #else return -1; #endif case _SC_MESSAGE_PASSING: #ifdef _POSIX_MESSAGE_PASSING return 1; #else return -1; #endif case _SC_PRIORITIZED_IO: #ifdef _POSIX_PRIORITIZED_IO return 1; #else return -1; #endif case _SC_PRIORITY_SCHEDULING: #ifdef _POSIX_PRIORITY_SCHEDULING return 1; #else return -1; #endif case _SC_REALTIME_SIGNALS: #ifdef _POSIX_REALTIME_SIGNALS return 1; #else return -1; #endif case _SC_SAVED_IDS: #ifdef _POSIX_SAVED_IDS return 1; #else return -1; #endif case _SC_SEMAPHORES: #ifdef _POSIX_SEMAPHORES return 1; #else return -1; #endif case _SC_SHARED_MEMORY_OBJECTS: #ifdef _POSIX_SHARED_MEMORY_OBJECTS return 1; #else return -1; #endif case _SC_SYNCHRONIZED_IO: #ifdef _POSIX_SYNCHRONIZED_IO return 1; #else return -1; #endif case _SC_TIMERS: #ifdef _POSIX_TIMERS return 1; #else return -1; #endif case _SC_THREADS: #ifdef _POSIX_THREADS return 1; #else return -1; #endif case _SC_THREAD_ATTR_STACKADDR: #ifdef _POSIX_THREAD_ATTR_STACKADDR return 1; #else return -1; #endif case _SC_THREAD_ATTR_STACKSIZE: #ifdef _POSIX_THREAD_ATTR_STACKSIZE return 1; #else return -1; #endif case _SC_THREAD_PRIORITY_SCHEDULING: #ifdef _POSIX_THREAD_PRIORITY_SCHEDULING return 1; #else return -1; #endif case _SC_THREAD_PRIO_INHERIT: #ifdef _POSIX_THREAD_PRIO_INHERIT return 1; #else return -1; #endif case _SC_THREAD_PRIO_PROTECT: #ifdef _POSIX_THREAD_PRIO_PROTECT return 1; #else return -1; #endif case _SC_THREAD_PROCESS_SHARED: #ifdef _POSIX_THREAD_PROCESS_SHARED return 1; #else return -1; #endif case _SC_THREAD_SAFE_FUNCTIONS: #ifdef _POSIX_THREAD_SAFE_FUNCTIONS return 1; #else return -1; #endif case _SC_VERSION: #ifdef _POSIX_VERSION return _POSIX_VERSION; #else return -1; #endif default: errno = EINVAL; return -1; } return -1; /* can't get here */ }