* cygmalloc.h (MALLOC_FAILURE_ACTION): Define empty.
* cygwin.din (posix_madvise): Export. (posix_memalign): Export. * fhandler.cc (fhandler_base::fpathconf): Return useful values in _PC_VDISABLE, _PC_SYNC_IO and _PC_SYMLINK_MAX cases. * malloc_wrapper.cc (malloc): Set errno here since it's not set in dlmalloc.c anymore. (realloc): Ditto. (calloc): Ditto. (memalign): Ditto. (valloc): Ditto. (posix_memalign): New function. * mmap.cc (posix_madvise): New function. * sysconf.cc (get_open_max): New function. (get_page_size): Ditto. (get_nproc_values): Ditto. (get_avphys): Ditto. (sc_type): New type. (sca): New array to map _SC_xxx options to sysconf return values. (sysconf): Reimplement using sca array. * include/limits.h: Add all missing values as defined by SUSv3. * include/pthread.h (PTHREAD_DESTRUCTOR_ITERATIONS): Move definition to sys/limits.h. (PTHREAD_KEYS_MAX): Ditto. * include/semaphore.h (SEM_VALUE_MAX): Ditto. * include/cygwin/stdlib.h (posix_memalign): Declare. * include/cygwin/version.h: Bump API minor number. * include/sys/mman.h: Add posix_madvise flags. (posix_madvise): Declare. * include/sys/termios.h (_POSIX_VDISABLE): Move definition to sys/limits.h.
This commit is contained in:
Corinna Vinschen
parent
0e37a2e6e5
commit
59e3b6ca7d
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@ -1,3 +1,37 @@
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2007-02-07 Corinna Vinschen <corinna@vinschen.de>
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* cygmalloc.h (MALLOC_FAILURE_ACTION): Define empty.
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* cygwin.din (posix_madvise): Export.
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(posix_memalign): Export.
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* fhandler.cc (fhandler_base::fpathconf): Return useful values in
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_PC_VDISABLE, _PC_SYNC_IO and _PC_SYMLINK_MAX cases.
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* malloc_wrapper.cc (malloc): Set errno here since it's not set in
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dlmalloc.c anymore.
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(realloc): Ditto.
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(calloc): Ditto.
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(memalign): Ditto.
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(valloc): Ditto.
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(posix_memalign): New function.
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* mmap.cc (posix_madvise): New function.
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* sysconf.cc (get_open_max): New function.
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(get_page_size): Ditto.
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(get_nproc_values): Ditto.
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(get_avphys): Ditto.
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(sc_type): New type.
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(sca): New array to map _SC_xxx options to sysconf return values.
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(sysconf): Reimplement using sca array.
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* include/limits.h: Add all missing values as defined by SUSv3.
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* include/pthread.h (PTHREAD_DESTRUCTOR_ITERATIONS): Move definition
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to sys/limits.h.
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(PTHREAD_KEYS_MAX): Ditto.
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* include/semaphore.h (SEM_VALUE_MAX): Ditto.
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* include/cygwin/stdlib.h (posix_memalign): Declare.
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* include/cygwin/version.h: Bump API minor number.
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* include/sys/mman.h: Add posix_madvise flags.
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(posix_madvise): Declare.
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* include/sys/termios.h (_POSIX_VDISABLE): Move definition to
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sys/limits.h.
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2007-02-05 Corinna Vinschen <corinna@vinschen.de>
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* fhandler_serial.cc (fhandler_serial::tcsetattr): Add support for
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@ -1,6 +1,6 @@
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/* cygmalloc.h: cygwin DLL malloc stuff
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Copyright 2002, 2003, 2004, 2005 Red Hat, Inc.
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Copyright 2002, 2003, 2004, 2005, 2007 Red Hat, Inc.
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This file is part of Cygwin.
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@ -25,6 +25,7 @@ void dlmalloc_stats ();
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#ifndef __INSIDE_CYGWIN__
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# define USE_DL_PREFIX 1
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#else
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#define MALLOC_FAILURE_ACTION
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# define __malloc_lock() mallock.acquire ()
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# define __malloc_unlock() mallock.release ()
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extern muto mallock;
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@ -988,6 +988,8 @@ popen SIGFE
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_popen = popen SIGFE
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posix_fadvise SIGFE
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posix_fallocate SIGFE
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posix_madvise SIGFE
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posix_memalign SIGFE
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posix_openpt SIGFE
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posix_regcomp SIGFE
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posix_regerror SIGFE
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@ -1852,19 +1852,21 @@ fhandler_base::fpathconf (int v)
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case _PC_NO_TRUNC:
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return 1;
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case _PC_VDISABLE:
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if (!is_tty ())
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set_errno (EINVAL);
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if (is_tty ())
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return _POSIX_VDISABLE;
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set_errno (EINVAL);
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break;
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case _PC_ASYNC_IO:
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case _PC_PRIO_IO:
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case _PC_SYNC_IO:
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break;
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case _PC_SYNC_IO:
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return 1;
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case _PC_FILESIZEBITS:
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return FILESIZEBITS;
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case _PC_2_SYMLINKS:
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return 1;
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case _PC_SYMLINK_MAX:
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break;
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return SYMLINK_MAX;
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case _PC_POSIX_PERMISSIONS:
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case _PC_POSIX_SECURITY:
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if (get_device () == FH_FS)
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@ -1,6 +1,6 @@
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/* stdlib.h
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Copyright 2005, 2006 Red Hat Inc.
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Copyright 2005, 2006, 2007 Red Hat Inc.
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This file is part of Cygwin.
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@ -32,6 +32,7 @@ int unlockpt (int);
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#endif /*__STRICT_ANSI__*/
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int posix_openpt (int);
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int posix_memalign (void **, size_t, size_t);
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#ifdef _COMPILING_NEWLIB
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#define unsetenv UNUSED_unsetenv
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@ -1,7 +1,7 @@
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/* version.h -- Cygwin version numbers and accompanying documentation.
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Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
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2005, 2006 Red Hat, Inc.
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2005, 2006, 2007 Red Hat, Inc.
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This file is part of Cygwin.
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@ -301,12 +301,13 @@ details. */
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161: Export resolver functions.
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162: New struct ifreq. Export if_nametoindex, if_indextoname,
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if_nameindex, if_freenameindex.
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163: Export posix_madvise, posix_memalign.
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*/
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/* Note that we forgot to bump the api for ualarm, strtoll, strtoull */
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#define CYGWIN_VERSION_API_MAJOR 0
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#define CYGWIN_VERSION_API_MINOR 162
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#define CYGWIN_VERSION_API_MINOR 163
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/* There is also a compatibity version number associated with the
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shared memory regions. It is incremented when incompatible
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@ -1,6 +1,6 @@
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/* limits.h
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Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 Red Hat, Inc.
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Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Red Hat, Inc.
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This file is part of Cygwin.
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@ -127,16 +127,46 @@ details. */
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/* Runtime Invariant Values */
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/* Please note that symbolic names shall be ommited, on specific
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implementations where the corresponding value is equal to or greater
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than the stated minimum, but is unspecified. This indetermination
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might depend on the amount of available memory space on a specific
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instance of a specific implementation. The actual value supported by
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a specific instance shall be provided by the sysconf() function. */
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/* Maximum number of I/O operations in a single list I/O call supported by
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the implementation. Not yet implemented. */
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#undef AIO_LISTIO_MAX
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/* #define AIO_LISTIO_MAX >= _POSIX_AIO_LISTIO_MAX */
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/* Maximum number of outstanding asynchronous I/O operations supported by
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the implementation. Not yet implemented. */
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#undef AIO_MAX
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/* #define AIO_MAX >= _POSIX_AIO_MAX */
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/* The maximum amount by which a process can decrease its asynchronous I/O
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priority level from its own scheduling priority. */
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#undef AIO_PRIO_DELTA_MAX
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/* #define AIO_PRIO_DELTA_MAX >= 0 */
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/* Maximum number of bytes in arguments and environment passed in an exec
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call. 32000 is the safe value used for Windows processes when called
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from Cygwin processes. */
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#undef ARG_MAX
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#define ARG_MAX 32000
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/* Maximum number of functions that may be registered with atexit(). */
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#undef ATEXIT_MAX
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#define ATEXIT_MAX 32
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/* Maximum number of simultaneous processes per real user ID. */
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#undef CHILD_MAX
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#define CHILD_MAX 256
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/* Maximum number of timer expiration overruns. Not yet implemented. */
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#undef DELAYTIMER_MAX
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/* #define DELAYTIMER_MAX >= _POSIX_DELAYTIMER_MAX */
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/* Maximum length of a host name. */
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#undef HOST_NAME_MAX
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#define HOST_NAME_MAX 255
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@ -149,6 +179,16 @@ details. */
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#undef LOGIN_NAME_MAX
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#define LOGIN_NAME_MAX 256 /* equal to UNLEN defined in w32api/lmcons.h */
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/* The maximum number of open message queue descriptors a process may hold.
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Not yet implemented. */
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#undef MQ_OPEN_MAX
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/* #define MQ_OPEN_MAX >= _POSIX_MQ_OPEN_MAX */
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/* The maximum number of message priorities supported by the implementation.
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Not yet implemented. */
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#undef MQ_PRIO_MAX
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/* #define MQ_PRIO_MAX >= _POSIX_MQ_PRIO_MAX */
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/* # of open files per process. Actually it can be more since Cygwin
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grows the dtable as necessary. We define a reasonable limit here
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which is returned by getdtablesize(), sysconf(_SC_OPEN_MAX) and
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@ -162,11 +202,61 @@ details. */
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#define PAGESIZE 65536
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#define PAGE_SIZE PAGESIZE
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/* Maximum number of attempts made to destroy a thread's thread-specific
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data values on thread exit. */
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/* FIXME: I really don't understand this value. Why should multiple
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attempts be necessary to destroy thread-specific data?!? Anyway, the
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current value here is 1, taken originally from our pthread.h file,
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where it was mistakenly defined first. Unfortunately this value is
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lower than the POSIX defined minimum value, which is 4. */
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#undef PTHREAD_DESTRUCTOR_ITERATIONS
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#define PTHREAD_DESTRUCTOR_ITERATIONS 1
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/* Maximum number of data keys that can be created by a process. */
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/* Tls has 64 items for pre win2000 - and we don't want to use them all :] */
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#undef PTHREAD_KEYS_MAX
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#define PTHREAD_KEYS_MAX 32
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/* Minimum size in bytes of thread stack storage. */
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/* Actually the minimum stack size is somewhat of a split personality.
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The size parameter in a CreateThread call is the size of the initially
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commited stack size, which can be specified as low as 4K. However, the
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default *reserved* stack size is 1 Meg, unless the .def file specifies
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another STACKSIZE value. And even if you specify a stack size below 64K,
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the allocation granularity is in the way. You can never squeeze multiple
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threads in the same allocation granularity slot. Oh well. */
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#undef PTHREAD_STACK_MIN
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#define PTHREAD_STACK_MIN 65536
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/* Maximum number of threads that can be created per process. */
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/* Windows allows any arbitrary number of threads per process. */
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#undef PTHREAD_THREADS_MAX
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/* #define PTHREAD_THREADS_MAX unspecified */
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/* Maximum number of realtime signals reserved for application use. */
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/* FIXME: We only support one realtime signal but _POSIX_RTSIG_MAX is 8. */
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#undef RTSIG_MAX
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#define RTSIG_MAX 1
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/* Maximum number of semaphores that a process may have. */
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/* Windows allows any arbitrary number of semaphores per process. */
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#undef SEM_NSEMS_MAX
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/* #define SEM_NSEMS_MAX unspecified */
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/* The maximum value a semaphore may have. */
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#undef SEM_VALUE_MAX
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#define SEM_VALUE_MAX 1147483648
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/* Maximum number of queued signals that a process may send and have pending
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at the receiver(s) at any time. */
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#undef SIGQUEUE_MAX
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#define SIGQUEUE_MAX 32
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/* The maximum number of replenishment operations that may be simultaneously
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pending for a particular sporadic server scheduler. Not implemented. */
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#undef SS_REPL_MAX
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/* #define SS_REPL_MAX >= _POSIX_SS_REPL_MAX */
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/* Number of streams that one process can have open at one time. */
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#undef STREAM_MAX
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#define STREAM_MAX 20
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||||
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@ -179,10 +269,34 @@ details. */
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|||
#undef TIMER_MAX
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#define TIMER_MAX 32
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||||
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/* Maximum length of the trace event name. Not implemented. */
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#undef TRACE_EVENT_NAME_MAX
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/* #define TRACE_EVENT_NAME_MAX >= _POSIX_TRACE_EVENT_NAME_MAX */
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||||
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||||
/* Maximum length of the trace generation version string or of the trace
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||||
stream name. Not implemented. */
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||||
#undef TRACE_NAME_MAX
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/* #define TRACE_NAME_MAX >= _POSIX_TRACE_NAME_MAX */
|
||||
|
||||
/* Maximum number of trace streams that may simultaneously exist in the
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||||
system. Not implemented. */
|
||||
#undef TRACE_SYS_MAX
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||||
/* #define TRACE_SYS_MAX >= _POSIX_TRACE_SYS_MAX */
|
||||
|
||||
/* Maximum number of user trace event type identifiers that may simultaneously
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||||
exist in a traced process, including the predefined user trace event
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||||
POSIX_TRACE_UNNAMED_USER_EVENT. Not implemented. */
|
||||
#undef TRACE_USER_EVENT_MAX
|
||||
/* #define TRACE_USER_EVENT_MAX >= _POSIX_TRACE_USER_EVENT_MAX */
|
||||
|
||||
/* Maximum number of characters in a tty name. */
|
||||
#undef TTY_NAME_MAX
|
||||
#define TTY_NAME_MAX 12
|
||||
|
||||
/* Maximum number of bytes supported for the name of a timezone (not of the TZ variable). Not implemented. */
|
||||
#undef TZNAME_MAX
|
||||
/* #define TZNAME_MAX >= _POSIX_TZNAME_MAX */
|
||||
|
||||
|
||||
/* Pathname Variable Values */
|
||||
|
||||
|
|
@ -215,6 +329,33 @@ details. */
|
|||
#undef PIPE_BUF
|
||||
#define PIPE_BUF 4096
|
||||
|
||||
/* Minimum number of bytes of storage actually allocated for any portion
|
||||
of a file. Not implemented. */
|
||||
#undef POSIX_ALLOC_SIZE_MIN
|
||||
/* #define POSIX_ALLOC_SIZE_MIN unspecifed */
|
||||
|
||||
/* Recommended increment for file transfer sizes between the
|
||||
{POSIX_REC_MIN_XFER_SIZE} and {POSIX_REC_MAX_XFER_SIZE} values.
|
||||
Not implemented. */
|
||||
#undef POSIX_REC_INCR_XFER_SIZE
|
||||
/* #define POSIX_REC_INCR_XFER_SIZE unspecifed */
|
||||
|
||||
/* Maximum recommended file transfer size. Not implemented. */
|
||||
#undef POSIX_REC_MAX_XFER_SIZE
|
||||
/* #define POSIX_REC_MAX_XFER_SIZE unspecifed */
|
||||
|
||||
/* Minimum recommended file transfer size. Not implemented. */
|
||||
#undef POSIX_REC_MIN_XFER_SIZE
|
||||
/* #define POSIX_REC_MIN_XFER_SIZE unspecifed */
|
||||
|
||||
/* Recommended file transfer buffer alignment. Not implemented. */
|
||||
#undef POSIX_REC_XFER_ALIGN
|
||||
/* #define POSIX_REC_XFER_ALIGN unspecifed */
|
||||
|
||||
/* Maximum number of bytes in a symbolic link. */
|
||||
#undef SYMLINK_MAX
|
||||
#define SYMLINK_MAX PATH_MAX
|
||||
|
||||
|
||||
/* Runtime Increasable Values */
|
||||
|
||||
|
|
@ -234,16 +375,18 @@ details. */
|
|||
#undef BC_STRING_MAX
|
||||
#define BC_STRING_MAX 1000
|
||||
|
||||
/* Maximum number of bytes in a character class name. Not implemented. */
|
||||
#undef CHARCLASS_NAME_MAX
|
||||
/* #define CHARCLASS_NAME_MAX >= _POSIX2_CHARCLASS_NAME_MAX */
|
||||
|
||||
/* Maximum number of weights that can be assigned to an entry of the
|
||||
LC_COLLATE order keyword in the locale definition file. */
|
||||
/* FIXME: We don't support this at all right now, so this value is
|
||||
misleading at best. It's also lower than _POSIX2_COLL_WEIGHTS_MAX
|
||||
which is not good. So, for now we deliberately not define it even
|
||||
though it was defined in the former syslimits.h file. */
|
||||
#if 0
|
||||
#undef COLL_WEIGHTS_MAX
|
||||
#define COLL_WEIGHTS_MAX 0
|
||||
#endif
|
||||
/* #define COLL_WEIGHTS_MAX >= _POSIX2_COLL_WEIGHTS_MAX */
|
||||
|
||||
/* Maximum number of expressions that can be nested within parentheses
|
||||
by the expr utility. */
|
||||
|
|
@ -265,51 +408,80 @@ details. */
|
|||
#define RE_DUP_MAX 255
|
||||
|
||||
|
||||
/* Minimum Values */
|
||||
|
||||
/* POSIX values */
|
||||
/* These should never vary from one system type to another */
|
||||
/* They represent the minimum values that POSIX systems must support.
|
||||
POSIX-conforming apps must not require larger values. */
|
||||
#define _POSIX_ARG_MAX 4096
|
||||
#define _POSIX_CHILD_MAX 6
|
||||
#define _POSIX_HOST_NAME_MAX 255
|
||||
#define _POSIX_LINK_MAX 8
|
||||
#define _POSIX_LOGIN_NAME_MAX 9
|
||||
#define _POSIX_MAX_CANON 255
|
||||
#define _POSIX_MAX_INPUT 255
|
||||
#define _POSIX_NAME_MAX 14
|
||||
#define _POSIX_NGROUPS_MAX 0
|
||||
#define _POSIX_OPEN_MAX 16
|
||||
#define _POSIX_PATH_MAX 255
|
||||
#define _POSIX_PIPE_BUF 512
|
||||
#define _POSIX_RE_DUP_MAX 255
|
||||
#define _POSIX_RTSIG_MAX 8
|
||||
#define _POSIX_SSIZE_MAX 32767
|
||||
#define _POSIX_STREAM_MAX 8
|
||||
#define _POSIX_SYMLINK_MAX 255
|
||||
#define _POSIX_SYMLOOP_MAX 8
|
||||
#define _POSIX_TIMER_MAX 32
|
||||
#define _POSIX_TTY_NAME_MAX 9
|
||||
#define _POSIX_TZNAME_MAX 3
|
||||
|
||||
#define _POSIX2_BC_BASE_MAX 99
|
||||
#define _POSIX2_BC_DIM_MAX 2048
|
||||
#define _POSIX2_BC_SCALE_MAX 99
|
||||
#define _POSIX2_BC_STRING_MAX 1000
|
||||
#if 0 /* See comment about COLL_WEIGHTS_MAX above. */
|
||||
#define _POSIX2_COLL_WEIGHTS_MAX 2
|
||||
#endif
|
||||
#define _POSIX2_EXPR_NEST_MAX 32
|
||||
#define _POSIX2_LINE_MAX 2048
|
||||
#define _POSIX2_RE_DUP_MAX 255
|
||||
/* Maximum Values */
|
||||
|
||||
#define _POSIX_CLOCKRES_MIN 20000000
|
||||
|
||||
/* Minimum Values */
|
||||
|
||||
#define _POSIX_AIO_LISTIO_MAX 2
|
||||
#define _POSIX_AIO_MAX 1
|
||||
#define _POSIX_ARG_MAX 4096
|
||||
#define _POSIX_CHILD_MAX 25
|
||||
#define _POSIX_DELAYTIMER_MAX 32
|
||||
#define _POSIX_HOST_NAME_MAX 255
|
||||
#define _POSIX_LINK_MAX 8
|
||||
#define _POSIX_LOGIN_NAME_MAX 9
|
||||
#define _POSIX_MAX_CANON 255
|
||||
#define _POSIX_MAX_INPUT 255
|
||||
#define _POSIX_MQ_OPEN_MAX 8
|
||||
#define _POSIX_MQ_PRIO_MAX 32
|
||||
#define _POSIX_NAME_MAX 14
|
||||
#define _POSIX_NGROUPS_MAX 8
|
||||
#define _POSIX_OPEN_MAX 20
|
||||
#define _POSIX_PATH_MAX 256
|
||||
#define _POSIX_PIPE_BUF 512
|
||||
#define _POSIX_RE_DUP_MAX 255
|
||||
#define _POSIX_RTSIG_MAX 8
|
||||
#define _POSIX_SEM_NSEMS_MAX 256
|
||||
#define _POSIX_SEM_VALUE_MAX 32767
|
||||
#define _POSIX_SIGQUEUE_MAX 32
|
||||
#define _POSIX_SSIZE_MAX 32767
|
||||
#define _POSIX_STREAM_MAX 8
|
||||
#define _POSIX_SS_REPL_MAX 4
|
||||
#define _POSIX_SYMLINK_MAX 255
|
||||
#define _POSIX_SYMLOOP_MAX 8
|
||||
#define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4
|
||||
#define _POSIX_THREAD_KEYS_MAX 128
|
||||
#define _POSIX_THREAD_THREADS_MAX 64
|
||||
#define _POSIX_TIMER_MAX 32
|
||||
#define _POSIX_TRACE_EVENT_NAME_MAX 30
|
||||
#define _POSIX_TRACE_NAME_MAX 8
|
||||
#define _POSIX_TRACE_SYS_MAX 8
|
||||
#define _POSIX_TRACE_USER_EVENT_MAX 32
|
||||
#define _POSIX_TTY_NAME_MAX 9
|
||||
#define _POSIX_TZNAME_MAX 6
|
||||
|
||||
#define _POSIX2_BC_BASE_MAX 99
|
||||
#define _POSIX2_BC_DIM_MAX 2048
|
||||
#define _POSIX2_BC_SCALE_MAX 99
|
||||
#define _POSIX2_BC_STRING_MAX 1000
|
||||
#define _POSIX2_COLL_WEIGHTS_MAX 2
|
||||
#define _POSIX2_EXPR_NEST_MAX 32
|
||||
#define _POSIX2_LINE_MAX 2048
|
||||
#define _POSIX2_RE_DUP_MAX 255
|
||||
|
||||
#define _XOPEN_IOV_MAX 16
|
||||
#define _XOPEN_NAME_MAX 255
|
||||
#define _XOPEN_PATH_MAX 1024
|
||||
|
||||
/* Other Invariant Values */
|
||||
|
||||
#define NL_ARGMAX 9
|
||||
#define NL_LANGMAX 14
|
||||
#define NL_MSGMAX 32767
|
||||
#define NL_NMAX INT_MAX
|
||||
#define NL_SETMAX 255
|
||||
#define NL_TEXTMAX _POSIX2_LINE_MAX
|
||||
|
||||
/* Default process priority. */
|
||||
#undef NZERO
|
||||
#define NZERO 20
|
||||
#define NZERO 20
|
||||
|
||||
#endif /* _MACH_MACHLIMITS_H_ */
|
||||
#endif /* _LIMITS_H___ */
|
||||
|
|
|
|||
|
|
@ -1,6 +1,7 @@
|
|||
/* pthread.h: POSIX pthread interface
|
||||
|
||||
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2006 Red Hat, Inc.
|
||||
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2006,
|
||||
2007 Red Hat, Inc.
|
||||
|
||||
Written by Marco Fuykschot <marco@ddi.nl>
|
||||
|
||||
|
|
@ -30,11 +31,6 @@ extern "C"
|
|||
would normally be written to the passed parameter of pthread_cond_init(lvalue, NULL); */
|
||||
/* #define PTHREAD_COND_INITIALIZER 0 */
|
||||
|
||||
#define PTHREAD_DESTRUCTOR_ITERATIONS 1
|
||||
/* Tls has 64 items for pre win2000 - and we don't want to use them all :]
|
||||
* Before committing discuss this with the list
|
||||
*/
|
||||
#define PTHREAD_KEYS_MAX 32
|
||||
/* the default : joinable */
|
||||
|
||||
#define PTHREAD_CANCEL_ASYNCHRONOUS 1
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
/* semaphore.h: POSIX semaphore interface
|
||||
|
||||
Copyright 2001, 2003 Red Hat, Inc.
|
||||
Copyright 2001, 2003, 2007 Red Hat, Inc.
|
||||
|
||||
Written by Robert Collins <rbtcollins@hotmail.com>
|
||||
|
||||
|
|
@ -25,7 +25,6 @@ extern "C"
|
|||
#endif
|
||||
|
||||
#define SEM_FAILED 0
|
||||
#define SEM_VALUE_MAX 1147483648
|
||||
|
||||
/* Semaphores */
|
||||
int sem_init (sem_t * sem, int pshared, unsigned int value);
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
/* sys/mman.h
|
||||
|
||||
Copyright 1996, 1997, 1998, 2000, 2001 Red Hat, Inc.
|
||||
Copyright 1996, 1997, 1998, 2000, 2001, 2003, 2005, 2007 Red Hat, Inc.
|
||||
|
||||
This file is part of Cygwin.
|
||||
|
||||
|
|
@ -47,6 +47,15 @@ extern "C" {
|
|||
#define MS_SYNC 2
|
||||
#define MS_INVALIDATE 4
|
||||
|
||||
/*
|
||||
* Flags for posix_madvise.
|
||||
*/
|
||||
#define POSIX_MADV_NORMAL 0
|
||||
#define POSIX_MADV_SEQUENTIAL 1
|
||||
#define POSIX_MADV_RANDOM 2
|
||||
#define POSIX_MADV_WILLNEED 3
|
||||
#define POSIX_MADV_DONTNEED 4
|
||||
|
||||
#ifndef __INSIDE_CYGWIN__
|
||||
extern void *mmap (void *__addr, size_t __len, int __prot, int __flags, int __fd, off_t __off);
|
||||
#endif
|
||||
|
|
@ -56,6 +65,8 @@ extern int msync (void *__addr, size_t __len, int __flags);
|
|||
extern int mlock (const void *__addr, size_t __len);
|
||||
extern int munlock (const void *__addr, size_t __len);
|
||||
|
||||
extern int posix_madvise (void *__addr, size_t __len, int __advice);
|
||||
|
||||
#ifdef __cplusplus
|
||||
};
|
||||
#endif /* __cplusplus */
|
||||
|
|
|
|||
|
|
@ -1,6 +1,7 @@
|
|||
/* sys/termios.h
|
||||
|
||||
Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2006 Red Hat, Inc.
|
||||
Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2006,
|
||||
2007 Red Hat, Inc.
|
||||
|
||||
This file is part of Cygwin.
|
||||
|
||||
|
|
@ -233,10 +234,6 @@ POSIX commands */
|
|||
|
||||
#define NCCS 18
|
||||
|
||||
/* `c_cc' member of 'struct termios' structure can be disabled by
|
||||
using the value _POSIX_VDISABLE. */
|
||||
#define _POSIX_VDISABLE '\0'
|
||||
|
||||
/* Compare a character C to a value VAL from the `c_cc' array in a
|
||||
`struct termios'. If VAL is _POSIX_VDISABLE, no character can match it. */
|
||||
#define CCEQ(val, c) ((c) == (val) && (val) != _POSIX_VDISABLE)
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
/* malloc_wrapper.cc
|
||||
|
||||
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
|
||||
Red Hat, Inc.
|
||||
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
|
||||
2006, 2007 Red Hat, Inc.
|
||||
|
||||
Originally written by Steve Chamberlain of Cygnus Support
|
||||
sac@cygnus.com
|
||||
|
|
@ -70,6 +70,8 @@ malloc (size_t size)
|
|||
__malloc_unlock ();
|
||||
}
|
||||
malloc_printf ("(%d) = %x, called by %p", size, res, __builtin_return_address (0));
|
||||
if (!res)
|
||||
set_errno (ENOMEM);
|
||||
return res;
|
||||
}
|
||||
|
||||
|
|
@ -86,6 +88,8 @@ realloc (void *p, size_t size)
|
|||
__malloc_unlock ();
|
||||
}
|
||||
malloc_printf ("(%x, %d) = %x, called by %x", p, size, res, __builtin_return_address (0));
|
||||
if (!res)
|
||||
set_errno (ENOMEM);
|
||||
return res;
|
||||
}
|
||||
|
||||
|
|
@ -102,9 +106,29 @@ calloc (size_t nmemb, size_t size)
|
|||
__malloc_unlock ();
|
||||
}
|
||||
malloc_printf ("(%d, %d) = %x, called by %x", nmemb, size, res, __builtin_return_address (0));
|
||||
if (!res)
|
||||
set_errno (ENOMEM);
|
||||
return res;
|
||||
}
|
||||
|
||||
extern "C" int
|
||||
posix_memalign (void **memptr, size_t alignment, size_t bytes)
|
||||
{
|
||||
void *res;
|
||||
if (!use_internal_malloc)
|
||||
return ENOSYS;
|
||||
if ((alignment & (alignment - 1)) != 0)
|
||||
return EINVAL;
|
||||
__malloc_lock ();
|
||||
res = dlmemalign (alignment, bytes);
|
||||
__malloc_unlock ();
|
||||
if (!res)
|
||||
return ENOMEM;
|
||||
if (memptr)
|
||||
*memptr = res;
|
||||
return 0;
|
||||
}
|
||||
|
||||
extern "C" void *
|
||||
memalign (size_t alignment, size_t bytes)
|
||||
{
|
||||
|
|
@ -119,6 +143,8 @@ memalign (size_t alignment, size_t bytes)
|
|||
__malloc_lock ();
|
||||
res = dlmemalign (alignment, bytes);
|
||||
__malloc_unlock ();
|
||||
if (!res)
|
||||
set_errno (ENOMEM);
|
||||
}
|
||||
|
||||
return res;
|
||||
|
|
@ -138,6 +164,8 @@ valloc (size_t bytes)
|
|||
__malloc_lock ();
|
||||
res = dlvalloc (bytes);
|
||||
__malloc_unlock ();
|
||||
if (!res)
|
||||
set_errno (ENOMEM);
|
||||
}
|
||||
|
||||
return res;
|
||||
|
|
|
|||
|
|
@ -1650,6 +1650,29 @@ munlock (const void *addr, size_t len)
|
|||
return ret;
|
||||
}
|
||||
|
||||
extern "C" int
|
||||
posix_madvise (void *addr, size_t len, int advice)
|
||||
{
|
||||
/* Check parameters. */
|
||||
if (advice < POSIX_MADV_NORMAL || advice > POSIX_MADV_DONTNEED
|
||||
|| !len)
|
||||
return EINVAL;
|
||||
|
||||
/* Check requested memory area. */
|
||||
MEMORY_BASIC_INFORMATION m;
|
||||
char *p = (char *) addr;
|
||||
char *endp = p + len;
|
||||
while (p < endp)
|
||||
{
|
||||
if (!VirtualQuery (p, &m, sizeof m) || m.State == MEM_FREE)
|
||||
return ENOMEM;
|
||||
p = (char *) m.BaseAddress + m.RegionSize;
|
||||
}
|
||||
|
||||
/* Eventually do nothing. */
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Base implementation:
|
||||
*
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
/* sysconf.cc
|
||||
|
||||
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
|
||||
2006 Red Hat, Inc.
|
||||
2006, 2007 Red Hat, Inc.
|
||||
|
||||
This file is part of Cygwin.
|
||||
|
||||
|
|
@ -22,131 +22,248 @@ details. */
|
|||
#include "cygheap.h"
|
||||
#include "ntdll.h"
|
||||
|
||||
static long
|
||||
get_open_max (int in)
|
||||
{
|
||||
long max = getdtablesize ();
|
||||
if (max < OPEN_MAX)
|
||||
max = OPEN_MAX;
|
||||
return max;
|
||||
}
|
||||
|
||||
static long
|
||||
get_page_size (int in)
|
||||
{
|
||||
return getpagesize ();
|
||||
}
|
||||
|
||||
static long
|
||||
get_nproc_values (int in)
|
||||
{
|
||||
switch (in)
|
||||
{
|
||||
case _SC_NPROCESSORS_CONF:
|
||||
case _SC_NPROCESSORS_ONLN:
|
||||
if (!wincap.supports_smp ())
|
||||
return 1;
|
||||
/*FALLTHRU*/
|
||||
case _SC_PHYS_PAGES:
|
||||
if (wincap.supports_smp ())
|
||||
{
|
||||
NTSTATUS ret;
|
||||
SYSTEM_BASIC_INFORMATION sbi;
|
||||
if ((ret = NtQuerySystemInformation (SystemBasicInformation,
|
||||
(PVOID) &sbi,
|
||||
sizeof sbi, NULL))
|
||||
!= STATUS_SUCCESS)
|
||||
{
|
||||
__seterrno_from_nt_status (ret);
|
||||
debug_printf ("NtQuerySystemInformation: ret %d, Dos(ret) %E",
|
||||
ret);
|
||||
return -1;
|
||||
}
|
||||
switch (in)
|
||||
{
|
||||
case _SC_NPROCESSORS_CONF:
|
||||
return sbi.NumberProcessors;
|
||||
case _SC_NPROCESSORS_ONLN:
|
||||
{
|
||||
int i = 0;
|
||||
do
|
||||
if (sbi.ActiveProcessors & 1)
|
||||
i++;
|
||||
while (sbi.ActiveProcessors >>= 1);
|
||||
return i;
|
||||
}
|
||||
case _SC_PHYS_PAGES:
|
||||
return sbi.NumberOfPhysicalPages
|
||||
/ (getpagesize () / getsystempagesize ());
|
||||
}
|
||||
}
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
static long
|
||||
get_avphys (int in)
|
||||
{
|
||||
if (wincap.supports_smp ())
|
||||
{
|
||||
NTSTATUS ret;
|
||||
SYSTEM_PERFORMANCE_INFORMATION spi;
|
||||
if ((ret = NtQuerySystemInformation (SystemPerformanceInformation,
|
||||
(PVOID) &spi,
|
||||
sizeof spi, NULL))
|
||||
!= STATUS_SUCCESS)
|
||||
{
|
||||
__seterrno_from_nt_status (ret);
|
||||
debug_printf ("NtQuerySystemInformation: ret %d, Dos(ret) %E",
|
||||
ret);
|
||||
return -1;
|
||||
}
|
||||
return spi.AvailablePages / (getpagesize () / getsystempagesize ());
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
enum sc_type { nsup, cons, func };
|
||||
|
||||
static struct
|
||||
{
|
||||
sc_type type;
|
||||
union
|
||||
{
|
||||
long c;
|
||||
long (*f)(int);
|
||||
};
|
||||
} sca[] =
|
||||
{
|
||||
{cons, {c:ARG_MAX}}, /* 0, _SC_ARG_MAX */
|
||||
{cons, {c:CHILD_MAX}}, /* 1, _SC_CHILD_MAX */
|
||||
{cons, {c:CLOCKS_PER_SEC}}, /* 2, _SC_CLK_TCK */
|
||||
{cons, {c:NGROUPS_MAX}}, /* 3, _SC_NGROUPS_MAX */
|
||||
{func, {f:get_open_max}}, /* 4, _SC_OPEN_MAX */
|
||||
{cons, {c:_POSIX_JOB_CONTROL}}, /* 5, _SC_JOB_CONTROL */
|
||||
{cons, {c:_POSIX_SAVED_IDS}}, /* 6, _SC_SAVED_IDS */
|
||||
{cons, {c:_POSIX_VERSION}}, /* 7, _SC_VERSION */
|
||||
{func, {f:get_page_size}}, /* 8, _SC_PAGESIZE */
|
||||
{func, {f:get_nproc_values}}, /* 9, _SC_NPROCESSORS_CONF */
|
||||
{func, {f:get_nproc_values}}, /* 10, _SC_NPROCESSORS_ONLN */
|
||||
{func, {f:get_nproc_values}}, /* 11, _SC_PHYS_PAGES */
|
||||
{func, {f:get_avphys}}, /* 12, _SC_AVPHYS_PAGES */
|
||||
{nsup, {c:0}}, /* 13, _SC_MQ_OPEN_MAX */
|
||||
{nsup, {c:0}}, /* 14, _SC_MQ_PRIO_MAX */
|
||||
{cons, {c:RTSIG_MAX}}, /* 15, _SC_RTSIG_MAX */
|
||||
{cons, {c:-1L}}, /* 16, _SC_SEM_NSEMS_MAX */
|
||||
{cons, {c:SEM_VALUE_MAX}}, /* 17, _SC_SEM_VALUE_MAX */
|
||||
{cons, {c:SIGQUEUE_MAX}}, /* 18, _SC_SIGQUEUE_MAX */
|
||||
{cons, {c:TIMER_MAX}}, /* 19, _SC_TIMER_MAX */
|
||||
{nsup, {c:0}}, /* 20, _SC_TZNAME_MAX */
|
||||
{cons, {c:-1L}}, /* 21, _SC_ASYNCHRONOUS_IO */
|
||||
{cons, {c:_POSIX_FSYNC}}, /* 22, _SC_FSYNC */
|
||||
{cons, {c:_POSIX_MAPPED_FILES}}, /* 23, _SC_MAPPED_FILES */
|
||||
{cons, {c:-1L}}, /* 24, _SC_MEMLOCK */
|
||||
{cons, {c:_POSIX_MEMLOCK_RANGE}}, /* 25, _SC_MEMLOCK_RANGE */
|
||||
{cons, {c:_POSIX_MEMORY_PROTECTION}}, /* 26, _SC_MEMORY_PROTECTION */
|
||||
{cons, {c:-1L}}, /* 27, _SC_MESSAGE_PASSING */
|
||||
{cons, {c:-1L}}, /* 28, _SC_PRIORITIZED_IO */
|
||||
{cons, {c:_POSIX_REALTIME_SIGNALS}}, /* 29, _SC_REALTIME_SIGNALS */
|
||||
{cons, {c:_POSIX_SEMAPHORES}}, /* 30, _SC_SEMAPHORES */
|
||||
{cons, {c:-1L}}, /* 31, _SC_SHARED_MEMORY_OBJECTS */
|
||||
{cons, {c:_POSIX_SYNCHRONIZED_IO}}, /* 32, _SC_SYNCHRONIZED_IO */
|
||||
{cons, {c:_POSIX_TIMERS}}, /* 33, _SC_TIMERS */
|
||||
{nsup, {c:0}}, /* 34, _SC_AIO_LISTIO_MAX */
|
||||
{nsup, {c:0}}, /* 35, _SC_AIO_MAX */
|
||||
{nsup, {c:0}}, /* 36, _SC_AIO_PRIO_DELTA_MAX */
|
||||
{nsup, {c:0}}, /* 37, _SC_DELAYTIMER_MAX */
|
||||
{cons, {c:PTHREAD_KEYS_MAX}}, /* 38, _SC_THREAD_KEYS_MAX */
|
||||
{cons, {c:PTHREAD_STACK_MIN}}, /* 39, _SC_THREAD_STACK_MIN */
|
||||
{cons, {c:-1L}}, /* 40, _SC_THREAD_THREADS_MAX */
|
||||
{cons, {c:TTY_NAME_MAX}}, /* 41, _SC_TTY_NAME_MAX */
|
||||
{cons, {c:_POSIX_THREADS}}, /* 42, _SC_THREADS */
|
||||
{cons, {c:-1L}}, /* 43, _SC_THREAD_ATTR_STACKADDR */
|
||||
{cons, {c:_POSIX_THREAD_ATTR_STACKSIZE}}, /* 44, _SC_THREAD_ATTR_STACKSIZE */
|
||||
{cons, {c:_POSIX_THREAD_PRIORITY_SCHEDULING}}, /* 45, _SC_THREAD_PRIORITY_SCHEDULING */
|
||||
{cons, {c:-1L}}, /* 46, _SC_THREAD_PRIO_INHERIT */
|
||||
{cons, {c:-1L}}, /* 47, _SC_THREAD_PRIO_PROTECT */
|
||||
{cons, {c:_POSIX_THREAD_PROCESS_SHARED}}, /* 48, _SC_THREAD_PROCESS_SHARED */
|
||||
{cons, {c:_POSIX_THREAD_SAFE_FUNCTIONS}}, /* 49, _SC_THREAD_SAFE_FUNCTIONS */
|
||||
{cons, {c:16384L}}, /* 50, _SC_GETGR_R_SIZE_MAX */
|
||||
{cons, {c:16384L}}, /* 51, _SC_GETPW_R_SIZE_MAX */
|
||||
{cons, {c:LOGIN_NAME_MAX}}, /* 52, _SC_LOGIN_NAME_MAX */
|
||||
{cons, {c:PTHREAD_DESTRUCTOR_ITERATIONS}}, /* 53, _SC_THREAD_DESTRUCTOR_ITERATIONS */
|
||||
{cons, {c:_POSIX_ADVISORY_INFO}}, /* 54, _SC_ADVISORY_INFO */
|
||||
{cons, {c:ATEXIT_MAX}}, /* 55, _SC_ATEXIT_MAX */
|
||||
{cons, {c:-1L}}, /* 56, _SC_BARRIERS */
|
||||
{cons, {c:BC_BASE_MAX}}, /* 57, _SC_BC_BASE_MAX */
|
||||
{cons, {c:BC_DIM_MAX}}, /* 58, _SC_BC_DIM_MAX */
|
||||
{cons, {c:BC_SCALE_MAX}}, /* 59, _SC_BC_SCALE_MAX */
|
||||
{cons, {c:BC_STRING_MAX}}, /* 60, _SC_BC_STRING_MAX */
|
||||
{cons, {c:-1L}}, /* 61, _SC_CLOCK_SELECTION */
|
||||
{nsup, {c:0}}, /* 62, _SC_COLL_WEIGHTS_MAX */
|
||||
{cons, {c:-1L}}, /* 63, _SC_CPUTIME */
|
||||
{cons, {c:EXPR_NEST_MAX}}, /* 64, _SC_EXPR_NEST_MAX */
|
||||
{cons, {c:HOST_NAME_MAX}}, /* 65, _SC_HOST_NAME_MAX */
|
||||
{cons, {c:IOV_MAX}}, /* 66, _SC_IOV_MAX */
|
||||
{cons, {c:_POSIX_IPV6}}, /* 67, _SC_IPV6 */
|
||||
{cons, {c:LINE_MAX}}, /* 68, _SC_LINE_MAX */
|
||||
{cons, {c:-1L}}, /* 69, _SC_MONOTONIC_CLOCK */
|
||||
{cons, {c:_POSIX_RAW_SOCKETS}}, /* 70, _SC_RAW_SOCKETS */
|
||||
{cons, {c:_POSIX_READER_WRITER_LOCKS}}, /* 71, _SC_READER_WRITER_LOCKS */
|
||||
{cons, {c:_POSIX_REGEXP}}, /* 72, _SC_REGEXP */
|
||||
{cons, {c:RE_DUP_MAX}}, /* 73, _SC_RE_DUP_MAX */
|
||||
{cons, {c:_POSIX_SHELL}}, /* 74, _SC_SHELL */
|
||||
{cons, {c:-1L}}, /* 75, _SC_SPAWN */
|
||||
{cons, {c:-1L}}, /* 76, _SC_SPIN_LOCKS */
|
||||
{cons, {c:-1L}}, /* 77, _SC_SPORADIC_SERVER */
|
||||
{nsup, {c:0}}, /* 78, _SC_SS_REPL_MAX */
|
||||
{cons, {c:SYMLOOP_MAX}}, /* 79, _SC_SYMLOOP_MAX */
|
||||
{cons, {c:-1L}}, /* 80, _SC_THREAD_CPUTIME */
|
||||
{cons, {c:-1L}}, /* 81, _SC_THREAD_SPORADIC_SERVER */
|
||||
{cons, {c:-1L}}, /* 82, _SC_TIMEOUTS */
|
||||
{cons, {c:-1L}}, /* 83, _SC_TRACE */
|
||||
{cons, {c:-1L}}, /* 84, _SC_TRACE_EVENT_FILTER */
|
||||
{nsup, {c:0}}, /* 85, _SC_TRACE_EVENT_NAME_MAX */
|
||||
{cons, {c:-1L}}, /* 86, _SC_TRACE_INHERIT */
|
||||
{cons, {c:-1L}}, /* 87, _SC_TRACE_LOG */
|
||||
{nsup, {c:0}}, /* 88, _SC_TRACE_NAME_MAX */
|
||||
{nsup, {c:0}}, /* 89, _SC_TRACE_SYS_MAX */
|
||||
{nsup, {c:0}}, /* 90, _SC_TRACE_USER_EVENT_MAX */
|
||||
{cons, {c:-1L}}, /* 91, _SC_TYPED_MEMORY_OBJECTS */
|
||||
{cons, {c:-1L}}, /* 92, _SC_V6_ILP32_OFF32 */
|
||||
{cons, {c:_POSIX_V6_ILP32_OFFBIG}}, /* 93, _SC_V6_ILP32_OFFBIG */
|
||||
{cons, {c:-1L}}, /* 94, _SC_V6_LP64_OFF64 */
|
||||
{cons, {c:-1L}}, /* 95, _SC_V6_LPBIG_OFFBIG */
|
||||
{cons, {c:_XOPEN_CRYPT}}, /* 96, _SC_XOPEN_CRYPT */
|
||||
{cons, {c:_XOPEN_ENH_I18N}}, /* 97, _SC_XOPEN_ENH_I18N */
|
||||
{cons, {c:-1L}}, /* 98, _SC_XOPEN_LEGACY */
|
||||
{cons, {c:-1L}}, /* 99, _SC_XOPEN_REALTIME */
|
||||
{cons, {c:STREAM_MAX}}, /* 100, _SC_STREAM_MAX */
|
||||
{cons, {c:_POSIX_PRIORITY_SCHEDULING}}, /* 101, _SC_PRIORITY_SCHEDULING */
|
||||
{cons, {c:-1L}}, /* 102, _SC_XOPEN_REALTIME_THREADS */
|
||||
{cons, {c:_XOPEN_SHM}}, /* 103, _SC_XOPEN_SHM */
|
||||
{cons, {c:-1L}}, /* 104, _SC_XOPEN_STREAMS */
|
||||
{cons, {c:-1L}}, /* 105, _SC_XOPEN_UNIX */
|
||||
{cons, {c:_XOPEN_VERSION}}, /* 106, _SC_XOPEN_VERSION */
|
||||
{cons, {c:_POSIX2_CHAR_TERM}}, /* 107, _SC_2_CHAR_TERM */
|
||||
{cons, {c:_POSIX2_C_BIND}}, /* 108, _SC_2_C_BIND */
|
||||
{cons, {c:_POSIX2_C_BIND}}, /* 109, _SC_2_C_DEV */
|
||||
{cons, {c:-1L}}, /* 110, _SC_2_FORT_DEV */
|
||||
{cons, {c:-1L}}, /* 111, _SC_2_FORT_RUN */
|
||||
{cons, {c:-1L}}, /* 112, _SC_2_LOCALEDEF */
|
||||
{cons, {c:-1L}}, /* 113, _SC_2_PBS */
|
||||
{cons, {c:-1L}}, /* 114, _SC_2_PBS_ACCOUNTING */
|
||||
{cons, {c:-1L}}, /* 115, _SC_2_PBS_CHECKPOINT */
|
||||
{cons, {c:-1L}}, /* 116, _SC_2_PBS_LOCATE */
|
||||
{cons, {c:-1L}}, /* 117, _SC_2_PBS_MESSAGE */
|
||||
{cons, {c:-1L}}, /* 118, _SC_2_PBS_TRACK */
|
||||
{cons, {c:_POSIX2_SW_DEV}}, /* 119, _SC_2_SW_DEV */
|
||||
{cons, {c:_POSIX2_UPE}}, /* 120, _SC_2_UPE */
|
||||
{cons, {c:_POSIX2_VERSION}}, /* 121, _SC_2_VERSION */
|
||||
};
|
||||
|
||||
#define SC_MIN _SC_ARG_MAX
|
||||
#define SC_MAX _SC_2_VERSION
|
||||
|
||||
/* sysconf: POSIX 4.8.1.1 */
|
||||
/* Allows a portable app to determine quantities of resources or
|
||||
presence of an option at execution time. */
|
||||
long int
|
||||
sysconf (int in)
|
||||
{
|
||||
switch (in)
|
||||
if (in >= SC_MIN && in <= SC_MAX)
|
||||
{
|
||||
/* Keep order as in sys/unistd.h */
|
||||
case _SC_ARG_MAX:
|
||||
/* FIXME: what's the right value? _POSIX_ARG_MAX is only 4K.
|
||||
FIXME: Wouldn't it be more correct to return ARG_MAX here? */
|
||||
return 1048576;
|
||||
case _SC_CHILD_MAX:
|
||||
return CHILD_MAX;
|
||||
case _SC_CLK_TCK:
|
||||
return CLOCKS_PER_SEC;
|
||||
case _SC_NGROUPS_MAX:
|
||||
return NGROUPS_MAX;
|
||||
case _SC_OPEN_MAX:
|
||||
switch (sca[in].type)
|
||||
{
|
||||
long max = getdtablesize ();
|
||||
if (max < OPEN_MAX)
|
||||
max = OPEN_MAX;
|
||||
return max;
|
||||
case nsup:
|
||||
break;
|
||||
case cons:
|
||||
return sca[in].c;
|
||||
case func:
|
||||
return sca[in].f (in);
|
||||
}
|
||||
case _SC_JOB_CONTROL:
|
||||
return _POSIX_JOB_CONTROL;
|
||||
case _SC_SAVED_IDS:
|
||||
return _POSIX_SAVED_IDS;
|
||||
case _SC_VERSION:
|
||||
return _POSIX_VERSION;
|
||||
case _SC_PAGESIZE:
|
||||
return getpagesize ();
|
||||
case _SC_NPROCESSORS_CONF:
|
||||
case _SC_NPROCESSORS_ONLN:
|
||||
if (!wincap.supports_smp ())
|
||||
return 1;
|
||||
/*FALLTHRU*/
|
||||
case _SC_PHYS_PAGES:
|
||||
if (wincap.supports_smp ())
|
||||
{
|
||||
NTSTATUS ret;
|
||||
SYSTEM_BASIC_INFORMATION sbi;
|
||||
if ((ret = NtQuerySystemInformation (SystemBasicInformation,
|
||||
(PVOID) &sbi,
|
||||
sizeof sbi, NULL))
|
||||
!= STATUS_SUCCESS)
|
||||
{
|
||||
__seterrno_from_nt_status (ret);
|
||||
debug_printf ("NtQuerySystemInformation: ret %d, Dos(ret) %E",
|
||||
ret);
|
||||
return -1;
|
||||
}
|
||||
switch (in)
|
||||
{
|
||||
case _SC_NPROCESSORS_CONF:
|
||||
return sbi.NumberProcessors;
|
||||
case _SC_NPROCESSORS_ONLN:
|
||||
{
|
||||
int i = 0;
|
||||
do
|
||||
if (sbi.ActiveProcessors & 1)
|
||||
i++;
|
||||
while (sbi.ActiveProcessors >>= 1);
|
||||
return i;
|
||||
}
|
||||
case _SC_PHYS_PAGES:
|
||||
return sbi.NumberOfPhysicalPages;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case _SC_AVPHYS_PAGES:
|
||||
if (wincap.supports_smp ())
|
||||
{
|
||||
NTSTATUS ret;
|
||||
SYSTEM_PERFORMANCE_INFORMATION spi;
|
||||
if ((ret = NtQuerySystemInformation (SystemPerformanceInformation,
|
||||
(PVOID) &spi,
|
||||
sizeof spi, NULL))
|
||||
!= STATUS_SUCCESS)
|
||||
{
|
||||
__seterrno_from_nt_status (ret);
|
||||
debug_printf ("NtQuerySystemInformation: ret %d, Dos(ret) %E",
|
||||
ret);
|
||||
return -1;
|
||||
}
|
||||
return spi.AvailablePages;
|
||||
}
|
||||
case _SC_RTSIG_MAX:
|
||||
return RTSIG_MAX;
|
||||
case _SC_TIMER_MAX:
|
||||
return TIMER_MAX;
|
||||
#if 0 /* FIXME -- unimplemented */
|
||||
case _SC_TZNAME_MAX:
|
||||
return _POSIX_TZNAME_MAX;
|
||||
#endif
|
||||
case _SC_MEMLOCK_RANGE:
|
||||
return _POSIX_MEMLOCK_RANGE;
|
||||
case _SC_SEMAPHORES:
|
||||
return _POSIX_SEMAPHORES;
|
||||
case _SC_TIMERS:
|
||||
return _POSIX_TIMERS;
|
||||
case _SC_TTY_NAME_MAX:
|
||||
return TTY_NAME_MAX;
|
||||
case _SC_THREADS:
|
||||
return _POSIX_THREADS;
|
||||
case _SC_THREAD_ATTR_STACKSIZE:
|
||||
return _POSIX_THREAD_ATTR_STACKSIZE;
|
||||
case _SC_THREAD_PRIORITY_SCHEDULING:
|
||||
return _POSIX_THREAD_PRIORITY_SCHEDULING;
|
||||
case _SC_THREAD_PROCESS_SHARED:
|
||||
return _POSIX_THREAD_PROCESS_SHARED;
|
||||
case _SC_THREAD_SAFE_FUNCTIONS:
|
||||
return _POSIX_THREAD_SAFE_FUNCTIONS;
|
||||
case _SC_GETPW_R_SIZE_MAX:
|
||||
case _SC_GETGR_R_SIZE_MAX:
|
||||
return 16*1024;
|
||||
case _SC_LOGIN_NAME_MAX:
|
||||
return LOGIN_NAME_MAX;
|
||||
case _SC_STREAM_MAX:
|
||||
return STREAM_MAX;
|
||||
}
|
||||
|
||||
/* Invalid input or unimplemented sysconf name */
|
||||
/* Unimplemented sysconf name or invalid option value. */
|
||||
set_errno (EINVAL);
|
||||
return -1;
|
||||
return -1L;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue