Added libstd:sysconf. Also some small changes in MSCorelibWrapper.cs:gettimes

git-svn-id: https://gcc.gnu.org/svn/gcc/branches/st/cli-be@170437 138bc75d-0d04-0410-961f-82ee72b054a4

10 files changed, 330 insertions, 12 deletions

diff --git a/libstd/include/Makefile.am b/libstd/include/Makefile.am
index 91cc94f09dc..e7bfe2f050d 100644
--- a/libstd/include/Makefile.am
+++ b/libstd/include/Makefile.am
@@ -34,6 +34,7 @@ include_HEADERS = \
 	wctype.h
 
 includebits_HEADERS = \
+	bits/confname.h \
 	bits/libstd_errno.h \
 	bits/libstd_fcntl.h \
 	bits/libstd_float.h \
diff --git a/libstd/include/Makefile.in b/libstd/include/Makefile.in
index d18089e02be..21d36427266 100644
--- a/libstd/include/Makefile.in
+++ b/libstd/include/Makefile.in
@@ -215,6 +215,7 @@ include_HEADERS = \
 	wctype.h
 
 includebits_HEADERS = \
+	bits/confname.h \
 	bits/libstd_errno.h \
 	bits/libstd_fcntl.h \
 	bits/libstd_float.h \
diff --git a/libstd/include/__host.h b/libstd/include/__host.h
index e2ac1840359..45967ca0e26 100644
--- a/libstd/include/__host.h
+++ b/libstd/include/__host.h
@@ -90,6 +90,9 @@ LIBSTD_HPROTO(int, unlink, const char *path);
 /* Attempts to write bytes into stream.    */
 LIBSTD_HPROTO(int, write, int fildes, void *buf, int nbytes);
 
+/* get configuration information at runtime */
+LIBSTD_HPROTO(long, getsysconf, int);
+
 /* Getting clock */
 LIBSTD_HPROTO(int, clock, void);
 
diff --git a/libstd/include/bits/confname.h b/libstd/include/bits/confname.h
new file mode 100644
index 00000000000..273e985bf1c
--- /dev/null
+++ b/libstd/include/bits/confname.h
@@ -0,0 +1,254 @@
+/*
+
+   Copyright (C) 2007-2008 Free Software Foundation, Inc.
+   Contributed by STMicroelectronics
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING.  If not, write to the Free
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA.  */
+
+#ifndef __LIBSTD_CONFNAME_H__
+#define __LIBSTD_CONFNAME_H__
+
+#ifndef __UNISTD_H && !defined __LIBSTD_CRT_BUILD
+# error "Never use <bits/confname.h> directly; include <unistd.h> instead."
+#endif
+
+/* Remember to update values in src/MSCorlibWrapper.cs */
+
+__BEGIN_EXTERN_C
+
+enum {
+  _SC_ARG_MAX                         = 0,
+  _SC_CHILD_MAX                       = 1,
+  _SC_CLK_TCK                         = 2,
+  _SC_NGROUPS_MAX                     = 3,
+  _SC_OPEN_MAX                        = 4,
+  _SC_STREAM_MAX                      = 5,
+  _SC_TZNAME_MAX                      = 6,
+  _SC_JOB_CONTROL                     = 7,
+  _SC_SAVED_IDS                       = 8,
+  _SC_REALTIME_SIGNALS                = 9,
+  _SC_PRIORITY_SCHEDULING             = 10,
+  _SC_TIMERS                          = 11,
+  _SC_ASYNCHRONOUS_IO                 = 12,
+  _SC_PRIORITIZED_IO                  = 13,
+  _SC_SYNCHRONIZED_IO                 = 14,
+  _SC_FSYNC                           = 15,
+  _SC_MAPPED_FILES                    = 16,
+  _SC_MEMLOCK                         = 17,
+  _SC_MEMLOCK_RANGE                   = 18,
+  _SC_MEMORY_PROTECTION               = 19,
+  _SC_MESSAGE_PASSING                 = 20,
+  _SC_SEMAPHORES                      = 21,
+  _SC_SHARED_MEMORY_OBJECTS           = 22,
+  _SC_AIO_LISTIO_MAX                  = 23,
+  _SC_AIO_MAX                         = 24,
+  _SC_AIO_PRIO_DELTA_MAX              = 25,
+  _SC_DELAYTIMER_MAX                  = 26,
+  _SC_MQ_OPEN_MAX                     = 27,
+  _SC_MQ_PRIO_MAX                     = 28,
+  _SC_VERSION                         = 29,
+  _SC_PAGESIZE                        = 30,
+  _SC_RTSIG_MAX                       = 31,
+  _SC_SEM_NSEMS_MAX                   = 32,
+  _SC_SEM_VALUE_MAX                   = 33,
+  _SC_SIGQUEUE_MAX                    = 34,
+  _SC_TIMER_MAX                       = 35,
+  _SC_BC_BASE_MAX                     = 36,
+  _SC_BC_DIM_MAX                      = 37,
+  _SC_BC_SCALE_MAX                    = 38,
+  _SC_BC_STRING_MAX                   = 39,
+  _SC_COLL_WEIGHTS_MAX                = 40,
+  _SC_EQUIV_CLASS_MAX                 = 41,
+  _SC_EXPR_NEST_MAX                   = 42,
+  _SC_LINE_MAX                        = 43,
+  _SC_RE_DUP_MAX                      = 44,
+  _SC_CHARCLASS_NAME_MAX              = 45,
+  _SC_2_VERSION                       = 46,
+  _SC_2_C_BIND                        = 47,
+  _SC_2_C_DEV                         = 48,
+  _SC_2_FORT_DEV                      = 49,
+  _SC_2_FORT_RUN                      = 50,
+  _SC_2_SW_DEV                        = 51,
+  _SC_2_LOCALEDEF                     = 52,
+  _SC_PII                             = 53,
+  _SC_PII_XTI                         = 54,
+  _SC_PII_SOCKET                      = 55,
+  _SC_PII_INTERNET                    = 56,
+  _SC_PII_OSI                         = 57,
+  _SC_POLL                            = 58,
+  _SC_SELECT                          = 59,
+  _SC_UIO_MAXIOV                      = 60,
+  _SC_IOV_MAX                         = 61,
+  _SC_PII_INTERNET_STREAM             = 62,
+  _SC_PII_INTERNET_DGRAM              = 63,
+  _SC_PII_OSI_COTS                    = 64,
+  _SC_PII_OSI_CLTS                    = 65,
+  _SC_PII_OSI_M                       = 66,
+  _SC_T_IOV_MAX                       = 67,
+  _SC_THREADS                         = 68,
+  _SC_THREAD_SAFE_FUNCTIONS           = 69,
+  _SC_GETGR_R_SIZE_MAX                = 70,
+  _SC_GETPW_R_SIZE_MAX                = 71,
+  _SC_LOGIN_NAME_MAX                  = 72,
+  _SC_TTY_NAME_MAX                    = 73,
+  _SC_THREAD_DESTRUCTOR_ITERATIONS    = 74,
+  _SC_THREAD_KEYS_MAX                 = 75,
+  _SC_THREAD_STACK_MIN                = 76,
+  _SC_THREAD_THREADS_MAX              = 77,
+  _SC_THREAD_ATTR_STACKADDR           = 78,
+  _SC_THREAD_ATTR_STACKSIZE           = 79,
+  _SC_THREAD_PRIORITY_SCHEDULING      = 80,
+  _SC_THREAD_PRIO_INHERIT             = 81,
+  _SC_THREAD_PRIO_PROTECT             = 82,
+  _SC_THREAD_PROCESS_SHARED           = 83,
+  _SC_NPROCESSORS_CONF                = 84,
+  _SC_NPROCESSORS_ONLN                = 85,
+  _SC_PHYS_PAGES                      = 86,
+  _SC_AVPHYS_PAGES                    = 87,
+  _SC_ATEXIT_MAX                      = 88,
+  _SC_PASS_MAX                        = 89,
+  _SC_XOPEN_VERSION                   = 90,
+  _SC_XOPEN_XCU_VERSION               = 91,
+  _SC_XOPEN_UNIX                      = 92,
+  _SC_XOPEN_CRYPT                     = 93,
+  _SC_XOPEN_ENH_I18N                  = 94,
+  _SC_XOPEN_SHM                       = 95,
+  _SC_2_CHAR_TERM                     = 96,
+  _SC_2_C_VERSION                     = 97,
+  _SC_2_UPE                           = 98,
+  _SC_XOPEN_XPG2                      = 99,
+  _SC_XOPEN_XPG3                      = 100,
+  _SC_XOPEN_XPG4                      = 101,
+  _SC_CHAR_BIT                        = 102,
+  _SC_CHAR_MAX                        = 103,
+  _SC_CHAR_MIN                        = 104,
+  _SC_INT_MAX                         = 105,
+  _SC_INT_MIN                         = 106,
+  _SC_LONG_BIT                        = 107,
+  _SC_WORD_BIT                        = 108,
+  _SC_MB_LEN_MAX                      = 109,
+  _SC_NZERO                           = 110,
+  _SC_SSIZE_MAX                       = 111,
+  _SC_SCHAR_MAX                       = 112,
+  _SC_SCHAR_MIN                       = 113,
+  _SC_SHRT_MAX                        = 114,
+  _SC_SHRT_MIN                        = 115,
+  _SC_UCHAR_MAX                       = 116,
+  _SC_UINT_MAX                        = 117,
+  _SC_ULONG_MAX                       = 118,
+  _SC_USHRT_MAX                       = 119,
+  _SC_NL_ARGMAX                       = 120,
+  _SC_NL_LANGMAX                      = 121,
+  _SC_NL_MSGMAX                       = 122,
+  _SC_NL_NMAX                         = 123,
+  _SC_NL_SETMAX                       = 124,
+  _SC_NL_TEXTMAX                      = 125,
+  _SC_XBS5_ILP32_OFF32                = 126,
+  _SC_XBS5_ILP32_OFFBIG               = 127,
+  _SC_XBS5_LP64_OFF64                 = 128,
+  _SC_XBS5_LPBIG_OFFBIG               = 129,
+  _SC_XOPEN_LEGACY                    = 130,
+  _SC_XOPEN_REALTIME                  = 131,
+  _SC_XOPEN_REALTIME_THREADS          = 132,
+  _SC_ADVISORY_INFO                   = 133,
+  _SC_BARRIERS                        = 134,
+  _SC_BASE                            = 135,
+  _SC_C_LANG_SUPPORT                  = 136,
+  _SC_C_LANG_SUPPORT_R                = 137,
+  _SC_CLOCK_SELECTION                 = 138,
+  _SC_CPUTIME                         = 139,
+  _SC_THREAD_CPUTIME                  = 140,
+  _SC_DEVICE_IO                       = 141,
+  _SC_DEVICE_SPECIFIC                 = 142,
+  _SC_DEVICE_SPECIFIC_R               = 143,
+  _SC_FD_MGMT                         = 144,
+  _SC_FIFO                            = 145,
+  _SC_PIPE                            = 146,
+  _SC_FILE_ATTRIBUTES                 = 147,
+  _SC_FILE_LOCKING                    = 148,
+  _SC_FILE_SYSTEM                     = 149,
+  _SC_MONOTONIC_CLOCK                 = 150,
+  _SC_MULTI_PROCESS                   = 151,
+  _SC_SINGLE_PROCESS                  = 152,
+  _SC_NETWORKING                      = 153,
+  _SC_READER_WRITER_LOCKS             = 154,
+  _SC_SPIN_LOCKS                      = 155,
+  _SC_REGEXP                          = 156,
+  _SC_REGEX_VERSION                   = 157,
+  _SC_SHELL                           = 158,
+  _SC_SIGNALS                         = 159,
+  _SC_SPAWN                           = 160,
+  _SC_SPORADIC_SERVER                 = 161,
+  _SC_THREAD_SPORADIC_SERVER          = 162,
+  _SC_SYSTEM_DATABASE                 = 163,
+  _SC_SYSTEM_DATABASE_R               = 164,
+  _SC_TIMEOUTS                        = 165,
+  _SC_TYPED_MEMORY_OBJECTS            = 166,
+  _SC_USER_GROUPS                     = 167,
+  _SC_USER_GROUPS_R                   = 168,
+  _SC_2_PBS                           = 169,
+  _SC_2_PBS_ACCOUNTING                = 170,
+  _SC_2_PBS_LOCATE                    = 171,
+  _SC_2_PBS_MESSAGE                   = 172,
+  _SC_2_PBS_TRACK                     = 173,
+  _SC_SYMLOOP_MAX                     = 174,
+  _SC_STREAMS                         = 175,
+  _SC_2_PBS_CHECKPOINT                = 176,
+  _SC_V6_ILP32_OFF32                  = 177,
+  _SC_V6_ILP32_OFFBIG                 = 178,
+  _SC_V6_LP64_OFF64                   = 179,
+  _SC_V6_LPBIG_OFFBIG                 = 180,
+  _SC_HOST_NAME_MAX                   = 181,
+  _SC_TRACE                           = 182,
+  _SC_TRACE_EVENT_FILTER              = 183,
+  _SC_TRACE_INHERIT                   = 184,
+  _SC_TRACE_LOG                       = 185,
+  _SC_LEVEL1_ICACHE_SIZE              = 186,
+  _SC_LEVEL1_ICACHE_ASSOC             = 187,
+  _SC_LEVEL1_ICACHE_LINESIZE          = 188,
+  _SC_LEVEL1_DCACHE_SIZE              = 189,
+  _SC_LEVEL1_DCACHE_ASSOC             = 190,
+  _SC_LEVEL1_DCACHE_LINESIZE          = 191,
+  _SC_LEVEL2_CACHE_SIZE               = 192,
+  _SC_LEVEL2_CACHE_ASSOC              = 193,
+  _SC_LEVEL2_CACHE_LINESIZE           = 194,
+  _SC_LEVEL3_CACHE_SIZE               = 195,
+  _SC_LEVEL3_CACHE_ASSOC              = 196,
+  _SC_LEVEL3_CACHE_LINESIZE           = 197,
+  _SC_LEVEL4_CACHE_SIZE               = 198,
+  _SC_LEVEL4_CACHE_ASSOC              = 199,
+  _SC_LEVEL4_CACHE_LINESIZE           = 200,
+  _SC_IPV6                            = 236,
+  _SC_RAW_SOCKETS                     = 237,
+  _SC_V7_ILP32_OFF32                  = 238,
+  _SC_V7_ILP32_OFFBIG                 = 239,
+  _SC_V7_LP64_OFF64                   = 240,
+  _SC_V7_LPBIG_OFFBIG                 = 241,
+  _SC_SS_REPL_MAX                     = 242,
+  _SC_TRACE_EVENT_NAME_MAX            = 243,
+  _SC_TRACE_NAME_MAX                  = 244,
+  _SC_TRACE_SYS_MAX                   = 245,
+  _SC_TRACE_USER_EVENT_MAX            = 246,
+  _SC_XOPEN_STREAMS                   = 247,
+  _SC_THREAD_ROBUST_PRIO_INHERIT      = 248,
+  _SC_THREAD_ROBUST_PRIO_PROTECT      = 249
+};
+
+__END_EXTERN_C
+
+#endif 
diff --git a/libstd/include/unistd.h b/libstd/include/unistd.h
index 958f76d367c..64aa72916ba 100644
--- a/libstd/include/unistd.h
+++ b/libstd/include/unistd.h
@@ -32,6 +32,7 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
 #include <sys/types.h>
 
 #include <bits/libstd_stdio.h>
+#include <bits/confname.h>
 
 __BEGIN_EXTERN_C
 
@@ -40,6 +41,7 @@ LIBSTD_LPROTO(ssize_t, read, int, void *, size_t);
 LIBSTD_LPROTO(ssize_t, write, int, const void *, size_t);
 LIBSTD_LPROTO(off_t, lseek, int, off_t, int);
 LIBSTD_LPROTO(int, unlink, const char *);
+LIBSTD_LPROTO(long, sysconf, int);
 
 #define STDIN_FILENO  __LIBSTD_STDIN_FILENO
 #define STDOUT_FILENO __LIBSTD_STDOUT_FILENO
diff --git a/libstd/src/MSCorelibWrapper.cs b/libstd/src/MSCorelibWrapper.cs
index 312d20578bf..331f1c19474 100644
--- a/libstd/src/MSCorelibWrapper.cs
+++ b/libstd/src/MSCorelibWrapper.cs
@@ -100,6 +100,13 @@ public class MSCorelibWrapper
     private const int __LIBSTD_S_IWRITE     = 0x0080;
     private const int __LIBSTD_S_IEXEC      = 0x0040;
 
+    /* sysconf variable names */
+    /* in sync with bits/confname.h */
+    private const int __LIBSTD_SC_CLK_TCK   = 2;
+    
+    /* Value of sysconf (SC_CLK_TCK), consistent with
+     * usual values in POSIX. (used by gettimes) */
+    private const int _SC_CLK_TCK_VALUE = 100;
 
     static MSCorelibWrapper()
     {
@@ -668,30 +675,46 @@ public class MSCorelibWrapper
       Process tp = Process.GetCurrentProcess();
 
       try {
-        /* Posix times seems to return timings ins centiseconds */
-        *tms_utime = (uint)(tp.UserProcessorTime.TotalMilliseconds/10);
-        *tms_stime = (uint)(tp.PrivilegedProcessorTime.TotalMilliseconds/10);
+        /* This is valid as long as _SC_CLK_TCK_VALUE is 100  */
+        *tms_utime = (uint)(tp.UserProcessorTime.TotalMilliseconds/(1000/_SC_CLK_TCK_VALUE));
+        *tms_stime = (uint)(tp.PrivilegedProcessorTime.TotalMilliseconds/(1000/_SC_CLK_TCK_VALUE));
         /* Currently there is no way to get childs timings.
-         * In .NET it is possible to check parent ID by means of
-         * PeroformanceCounter : "Creating Process Id", but it
-         * is not implemented in Mono */
+           In .NET it is possible to check parent ID by means of
+           PeroformanceCounter : "Creating Process Id", but it
+           is not implemented in Mono */
         *tms_cutime = 0;
         *tms_cstime = 0;
-        Console.Error.Write("Warning: gettimes() - tms_cutime and tms_cstime defaults to 0 ({0} {1})\n");
+        Console.Error.Write("Warning: gettimes() - tms_cutime and tms_cstime defaults to 0\n");
       } catch (PlatformNotSupportedException) {
         my_errno = __LIBSTD_ENOTSUP;
         return -1;
       }
 
       /* clks (as return value of times function) is an arbitrary
-       * time reference. only useful when making more than one call
-       * to times. Thus we can use the value returned by clock */
-      *clks = (uint) clock();
+         time reference. only useful when making more than one call
+         to times. */
+      *clks = (uint)((DateTime.UtcNow.Ticks - initial_ticks)/(10000000/_SC_CLK_TCK_VALUE));
 
       return 0;
       
     }
 
+    public static int getsysconf (int name)
+    {
+      switch (name) {
+        case __LIBSTD_SC_CLK_TCK:
+          /* this value is must be coherent with the clocks returned by 'gettimes'
+             In this implementation we use 100 ticks -> 1 s */
+          return _SC_CLK_TCK_VALUE;
+
+        default:
+          Console.Error.Write("Warning: getsysconf({0}) - Not implemented\n", name);
+          my_errno = __LIBSTD_ENOTSUP;
+          return -1;
+      }
+    }
+
+
     public static void exit(int status)
     {
         Environment.Exit(status);
diff --git a/libstd/src/Makefile.am b/libstd/src/Makefile.am
index 4e3d14d0ee5..5b69b567968 100644
--- a/libstd/src/Makefile.am
+++ b/libstd/src/Makefile.am
@@ -109,6 +109,7 @@ SRC = _Exit.c \
       strtolul.c \
       strtollull.c \
       strxfrm.c \
+      sysconf.c \
       system.c \
       systime.c \
       time.c \
diff --git a/libstd/src/Makefile.in b/libstd/src/Makefile.in
index 0b0e0233dd0..49dbf41b804 100644
--- a/libstd/src/Makefile.in
+++ b/libstd/src/Makefile.in
@@ -98,7 +98,7 @@ am__objects_1 = libstd_la-_Exit.lo libstd_la-__io_device.lo \
 	libstd_la-strncmp.lo libstd_la-strncpy.lo libstd_la-strpbrk.lo \
 	libstd_la-strrchr.lo libstd_la-strspn.lo libstd_la-strstr.lo \
 	libstd_la-strtod.lo libstd_la-strtok.lo libstd_la-strtolul.lo \
-	libstd_la-strtollull.lo libstd_la-strxfrm.lo \
+	libstd_la-strtollull.lo libstd_la-strxfrm.lo libstd_la-sysconf.lo \
 	libstd_la-system.lo libstd_la-systime.lo libstd_la-time.lo libstd_la-times.lo\
 	libstd_la-tmpfile.lo libstd_la-tmpnam.lo libstd_la-ungetc.lo \
 	libstd_la-unlink.lo libstd_la-vfprintf.lo libstd_la-vfscanf.lo \
@@ -170,7 +170,7 @@ am__objects_2 = libstd_dll-_Exit.$(OBJEXT) \
 	libstd_dll-strrchr.$(OBJEXT) libstd_dll-strspn.$(OBJEXT) \
 	libstd_dll-strstr.$(OBJEXT) libstd_dll-strtod.$(OBJEXT) \
 	libstd_dll-strtok.$(OBJEXT) libstd_dll-strtolul.$(OBJEXT) \
-	libstd_dll-strtollull.$(OBJEXT) libstd_dll-strxfrm.$(OBJEXT) \
+	libstd_dll-strtollull.$(OBJEXT) libstd_dll-strxfrm.$(OBJEXT) libstd_dll-sysconf.$(OBJEXT) \
 	libstd_dll-system.$(OBJEXT) libstd_dll-systime.$(OBJEXT) \
 	libstd_dll-time.$(OBJEXT) libstd_dll-times.$(OBJEXT) libstd_dll-tmpfile.$(OBJEXT) \
 	libstd_dll-tmpnam.$(OBJEXT) libstd_dll-ungetc.$(OBJEXT) \
@@ -426,6 +426,7 @@ SRC = _Exit.c \
       strtolul.c \
       strtollull.c \
       strxfrm.c \
+      sysconf.c \
       system.c \
       systime.c \
       time.c \
@@ -647,6 +648,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libstd_dll-strtollull.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libstd_dll-strtolul.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libstd_dll-strxfrm.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libstd_dll-sysconf.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libstd_dll-system.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libstd_dll-systime.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libstd_dll-time.Po@am__quote@
@@ -775,6 +777,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libstd_la-strtollull.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libstd_la-strtolul.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libstd_la-strxfrm.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libstd_la-sysconf.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libstd_la-system.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libstd_la-systime.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libstd_la-time.Plo@am__quote@
@@ -1585,6 +1588,13 @@ libstd_la-strxfrm.lo: strxfrm.c
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@	$(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libstd_la_CFLAGS) $(CFLAGS) -c -o libstd_la-strxfrm.lo `test -f 'strxfrm.c' || echo '$(srcdir)/'`strxfrm.c
 
+libstd_la-sysconf.lo: sysconf.c
+@am__fastdepCC_TRUE@	if $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libstd_la_CFLAGS) $(CFLAGS) -MT libstd_la-sysconf.lo -MD -MP -MF "$(DEPDIR)/libstd_la-sysconf.Tpo" -c -o libstd_la-sysconf.lo `test -f 'sysconf.c' || echo '$(srcdir)/'`sysconf.c; \
+@am__fastdepCC_TRUE@	then mv -f "$(DEPDIR)/libstd_la-sysconf.Tpo" "$(DEPDIR)/libstd_la-sysconf.Plo"; else rm -f "$(DEPDIR)/libstd_la-sysconf.Tpo"; exit 1; fi
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='sysconf.c' object='libstd_la-sysconf.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libstd_la_CFLAGS) $(CFLAGS) -c -o libstd_la-sysconf.lo `test -f 'sysconf.c' || echo '$(srcdir)/'`sysconf.c
+
 libstd_la-system.lo: system.c
 @am__fastdepCC_TRUE@	if $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libstd_la_CFLAGS) $(CFLAGS) -MT libstd_la-system.lo -MD -MP -MF "$(DEPDIR)/libstd_la-system.Tpo" -c -o libstd_la-system.lo `test -f 'system.c' || echo '$(srcdir)/'`system.c; \
 @am__fastdepCC_TRUE@	then mv -f "$(DEPDIR)/libstd_la-system.Tpo" "$(DEPDIR)/libstd_la-system.Plo"; else rm -f "$(DEPDIR)/libstd_la-system.Tpo"; exit 1; fi
@@ -3251,6 +3261,20 @@ libstd_dll-strxfrm.obj: strxfrm.c
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libstd_dll_CFLAGS) $(CFLAGS) -c -o libstd_dll-strxfrm.obj `if test -f 'strxfrm.c'; then $(CYGPATH_W) 'strxfrm.c'; else $(CYGPATH_W) '$(srcdir)/strxfrm.c'; fi`
 
+libstd_dll-sysconf.o: sysconf.c
+@am__fastdepCC_TRUE@	if $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libstd_dll_CFLAGS) $(CFLAGS) -MT libstd_dll-sysconf.o -MD -MP -MF "$(DEPDIR)/libstd_dll-sysconf.Tpo" -c -o libstd_dll-sysconf.o `test -f 'sysconf.c' || echo '$(srcdir)/'`sysconf.c; \
+@am__fastdepCC_TRUE@	then mv -f "$(DEPDIR)/libstd_dll-sysconf.Tpo" "$(DEPDIR)/libstd_dll-sysconf.Po"; else rm -f "$(DEPDIR)/libstd_dll-sysconf.Tpo"; exit 1; fi
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='sysconf.c' object='libstd_dll-sysconf.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libstd_dll_CFLAGS) $(CFLAGS) -c -o libstd_dll-sysconf.o `test -f 'sysconf.c' || echo '$(srcdir)/'`sysconf.c
+
+libstd_dll-sysconf.obj: sysconf.c
+@am__fastdepCC_TRUE@	if $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libstd_dll_CFLAGS) $(CFLAGS) -MT libstd_dll-sysconf.obj -MD -MP -MF "$(DEPDIR)/libstd_dll-sysconf.Tpo" -c -o libstd_dll-sysconf.obj `if test -f 'sysconf.c'; then $(CYGPATH_W) 'sysconf.c'; else $(CYGPATH_W) '$(srcdir)/sysconf.c'; fi`; \
+@am__fastdepCC_TRUE@	then mv -f "$(DEPDIR)/libstd_dll-sysconf.Tpo" "$(DEPDIR)/libstd_dll-sysconf.Po"; else rm -f "$(DEPDIR)/libstd_dll-sysconf.Tpo"; exit 1; fi
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='sysconf.c' object='libstd_dll-sysconf.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libstd_dll_CFLAGS) $(CFLAGS) -c -o libstd_dll-sysconf.obj `if test -f 'sysconf.c'; then $(CYGPATH_W) 'sysconf.c'; else $(CYGPATH_W) '$(srcdir)/sysconf.c'; fi`
+
 libstd_dll-system.o: system.c
 @am__fastdepCC_TRUE@	if $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libstd_dll_CFLAGS) $(CFLAGS) -MT libstd_dll-system.o -MD -MP -MF "$(DEPDIR)/libstd_dll-system.Tpo" -c -o libstd_dll-system.o `test -f 'system.c' || echo '$(srcdir)/'`system.c; \
 @am__fastdepCC_TRUE@	then mv -f "$(DEPDIR)/libstd_dll-system.Tpo" "$(DEPDIR)/libstd_dll-system.Po"; else rm -f "$(DEPDIR)/libstd_dll-system.Tpo"; exit 1; fi
diff --git a/libstd/src/__host.c b/libstd/src/__host.c
index fd20244cce3..d0428b0fbca 100644
--- a/libstd/src/__host.c
+++ b/libstd/src/__host.c
@@ -438,6 +438,12 @@ LIBSTD_HPROTO_IMPL(int, gettimes, unsigned long * clks, unsigned long * tms_utim
   return 0;
 }
 
+/* get configuration information at runtime */
+LIBSTD_HPROTO_IMPL(long, getsysconf, int name)
+{
+  return sysconf(name);
+}
+
 LIBSTD_HPROTO_IMPL(int, fpclassify, double p0)
 {
     return fpclassify(p0);
diff --git a/libstd/src_opt/MSCorelibWrapper.cs b/libstd/src_opt/MSCorelibWrapper.cs
index 3d67d39080a..17119d956fd 100644
--- a/libstd/src_opt/MSCorelibWrapper.cs
+++ b/libstd/src_opt/MSCorelibWrapper.cs
@@ -79,6 +79,9 @@ public class MSCorelibWrapper
     [DllImport("MSCorelibWrapper_support.so", EntryPoint="__host__gettimes")]
     unsafe public static int gettimes (uint *clks,uint *tms_utime, uint *tms_stime, uint *tms_cutime, uint *tms_cstime)
 
+    [DllImport("MSCorelibWrapper_support.so", EntryPoint="__host__getsysconf")]
+    public static int getsysconf (int name);
+
     [DllImport("MSCorelibWrapper_support.so", EntryPoint="__host__exit")]
     unsafe public static extern void exit(int status);