auto import from //depot/cupcake/@135843

1 files changed, 0 insertions, 434 deletions

diff --git a/libc/unistd/sysconf.c b/libc/unistd/sysconf.c
deleted file mode 100644
index d3089a4..0000000
--- a/libc/unistd/sysconf.c
+++ /dev/null
@@ -1,434 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *  * Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- *  * Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-#include <unistd.h>
-#include <sys/sysconf.h>
-#include <limits.h>
-#include <bionic_tls.h>
-#include <asm/page.h>
-#include <stdio.h>  /* for FOPEN_MAX */
-#include <errno.h>
-#include <fcntl.h>
-#include <string.h>
-#include <ctype.h>
-
-/* seems to be the default on Linux, per the GLibc sources and my own digging */
-
-#define  SYSTEM_CLK_TCK         100
-#define  SYSTEM_IOV_MAX         1024
-#define  SYSTEM_DELAYTIMER_MAX  2147483647
-#define  SYSTEM_MQ_OPEN_MAX     8
-#define  SYSTEM_MQ_PRIO_MAX     32768
-#define  SYSTEM_SEM_NSEMS_MAX   256
-#define  SYSTEM_SEM_VALUE_MAX   (2147483647)
-#define  SYSTEM_SIGQUEUE_MAX    32
-#define  SYSTEM_TIMER_MAX       32
-#define  SYSTEM_LOGIN_NAME_MAX  256
-#define  SYSTEM_TTY_NAME_MAX    32
-
-/* the following depends on our implementation */
-#define  SYSTEM_ATEXIT_MAX          65536    /* our implementation is unlimited */
-#define  SYSTEM_THREAD_KEYS_MAX     BIONIC_TLS_SLOTS
-#define  SYSTEM_THREAD_STACK_MIN    32768    /* lower values may be possible, but be conservative */
-#define  SYSTEM_THREAD_THREADS_MAX  2048     /* really unlimited */
-
-#define  SYSTEM_2_C_BIND     _POSIX_VERSION  /* Posix C binding version */
-#define  SYSTEM_2_C_VER      _POSIX2_C_VERSION
-#define  SYSTEM_2_C_DEV      -1       /* Posix C development tools unsupported on the device */
-#define  SYSTEM_2_FORT_DEV   -1       /* Fortran development unsupported */
-#define  SYSTEM_2_FORT_RUN   -1       /* Fortran runtime unsupported */
-#define  SYSTEM_2_SW_DEV     -1       /* posix software dev utilities unsupported */
-#define  SYSTEM_2_LOCALEDEF  -1       /* localdef() unimplemented */
-#define  SYSTEM_2_UPE        -1       /* No UPE for you ! (User Portability Utilities) */
-#define  SYSTEM_2_VERSION    -1       /* No posix command-line tools */
-
-static int  __get_nproc_conf(void);
-static int  __get_nproc_onln(void);
-static int  __get_phys_pages(void);
-static int  __get_avphys_pages(void);
-
-int
-sysconf( int  name )
-{
-    switch (name) {
-#ifdef _POSIX_ARG_MAX
-    case _SC_ARG_MAX:           return _POSIX_ARG_MAX;
-#endif
-#ifdef _POSIX2_BC_BASE_MAX
-    case _SC_BC_BASE_MAX:       return _POSIX2_BC_BASE_MAX;
-#endif
-#ifdef _POSIX2_BC_DIM_MAX
-    case _SC_BC_DIM_MAX:        return _POSIX2_BC_DIM_MAX;
-#endif
-#ifdef _POSIX2_BC_SCALE_MAX
-    case _SC_BC_SCALE_MAX:      return _POSIX2_BC_SCALE_MAX;
-#endif
-#ifdef _POSIX2_BC_STRING_MAX
-    case _SC_BC_STRING_MAX:     return _POSIX2_BC_STRING_MAX;
-#endif
-    case _SC_CHILD_MAX:         return CHILD_MAX;
-    case _SC_CLK_TCK:           return SYSTEM_CLK_TCK;
-#ifdef _POSIX2_COLL_WEIGHTS_MASK
-    case _SC_COLL_WEIGHTS_MAX:  return _POSIX2_COLL_WEIGHTS_MASK;
-#endif
-#ifdef _POSIX2_EXPR_NEST_MAX
-    case _SC_EXPR_NEXT_MASK:    return _POSIX2_EXPR_NEST_MAX;
-#endif
-#ifdef _POSIX2_LINE_MAX
-    case _SC_LINE_MAX:          return _POSIX2_LINE_MAX;
-#endif
-    case _SC_NGROUPS_MAX:       return NGROUPS_MAX;
-    case _SC_OPEN_MAX:          return OPEN_MAX;
-    //case _SC_PASS_MAX:          return PASS_MAX;
-    case _SC_2_C_BIND:          return SYSTEM_2_C_BIND;
-    case _SC_2_C_DEV:           return SYSTEM_2_C_DEV;
-    case _SC_2_C_VERSION:       return SYSTEM_2_C_VER;
-    //case _SC_2_CHAR_TERM:         return ;
-    case _SC_2_FORT_DEV:        return SYSTEM_2_FORT_DEV;
-    case _SC_2_FORT_RUN:        return SYSTEM_2_FORT_RUN;
-    case _SC_2_LOCALEDEF:       return SYSTEM_2_LOCALEDEF;
-    case _SC_2_SW_DEV:          return SYSTEM_2_SW_DEV;
-    case _SC_2_UPE:             return SYSTEM_2_UPE;
-    case _SC_2_VERSION:         return SYSTEM_2_VERSION;
-#ifdef _POSIX_JOB_CONTROL
-    case _SC_JOB_CONTROL:       return _POSIX_JOB_CONTROL;
-#endif
-#ifdef _POSIX_SAVED_IDS
-    case _SC_SAVED_IDS:         return _POSIX_SAVED_IDS;
-#endif
-#ifdef _POSIX_VERSION
-    case _SC_VERSION:           return _POSIX_VERSION;
-#endif
-    //case _SC_RE_DUP_<AX:        return ;
-    case _SC_STREAM_MAX:        return FOPEN_MAX;
-    //case _SC_TZNAME_MAX:        return ;
-#if _XOPEN_CRYPT
-    case _SC_XOPEN_CRYPT:       return _XOPEN_CRYPT;
-#endif
-#ifdef _XOPEN_ENH_I18N
-    case _SC_XOPEN_ENH_I18N:    return _XOPEN_ENH_I18N;
-#endif
-#ifdef _XOPEN_SHM
-    case _SC_XOPEN_SHM:         return _XOPEN_SHM;
-#endif
-#ifdef _XOPEN_VERSION
-    case _SC_XOPEN_VERSION:     return _XOPEN_VERSION;
-#endif
-#ifdef _XOPEN_XCU_VERSION
-    case _SC_XOPEN_XCU_VERSION: return _XOPEN_XCU_VERSION;
-#endif
-#ifdef _XOPEN_REALTIME
-    case _SC_XOPEN_REALTIME:    return _XOPEN_REALTIME;
-#endif
-#ifdef _XOPEN_REALTIME_THREADS
-    case _SC_XOPEN_REALTIME_THREADS: return _XOPEN_REALTIME_THREADS;
-#endif
-#ifdef _XOPEN_LEGACY
-    case _SC_XOPEN_LEGACY:      return _XOPEN_LEGACY;
-#endif
-    case _SC_ATEXIT_MAX:        return SYSTEM_ATEXIT_MAX;
-    case _SC_IOV_MAX:           return SYSTEM_IOV_MAX;
-    case _SC_PAGESIZE:          return PAGE_SIZE;
-    case _SC_PAGE_SIZE:         return PAGE_SIZE;
-#ifdef _XOPEN_UNIX
-    case _SC_XOPEN_UNIX:        return _XOPEN_UNIX;
-#endif
-
-    // XXX: TODO: XBS5 nonsense
-
-#ifdef AIO_LISTIO_MAX
-    case _SC_AIO_LISTIO_MAX:       return AIO_LISTIO_MAX;
-#endif
-#ifdef AIO_MAX
-    case _SC_AIO_MAX:              return AIO_MAX;
-#endif
-#ifdef AIO_PRIO_DELTA_MAX
-    case _SC_AIO_PRIO_DELTA_MAX:   return AIO_PRIO_DELTA_MAX;
-#endif
-    case _SC_DELAYTIMER_MAX:    return SYSTEM_DELAYTIMER_MAX;
-    case _SC_MQ_OPEN_MAX:       return SYSTEM_MQ_OPEN_MAX;
-    case _SC_MQ_PRIO_MAX:       return SYSTEM_MQ_PRIO_MAX;
-    case _SC_RTSIG_MAX:         return RTSIG_MAX;
-    case _SC_SEM_NSEMS_MAX:     return SYSTEM_SEM_NSEMS_MAX;
-    case _SC_SEM_VALUE_MAX:     return SYSTEM_SEM_VALUE_MAX;
-    case _SC_SIGQUEUE_MAX:      return SYSTEM_SIGQUEUE_MAX;
-    case _SC_TIMER_MAX:         return SYSTEM_TIMER_MAX;
-#ifdef _POSIX_ASYNCHRONOUS_IO
-    case _SC_ASYNCHRONOUS_IO:   return _POSIX_ASYNCHRONOUS_IO;
-#endif
-#ifdef _POSIX_FSYNC
-    case _SC_FSYNC:             return _POSIX_FSYNC;
-#endif
-#ifdef _POSIX_MAPPED_FILES
-    case _SC_MAPPED_FILES:      return _POSIX_MAPPED_FILES;
-#endif
-#ifdef _POSIX_MEMLOCK
-    case _SC_MEMLOCK:           return _POSIX_MEMLOCK;
-#endif
-#ifdef _POSIX_MEMLOCK_RANGE
-    case _SC_MEMLOCK_RANGE:     return _POSIX_MEMLOCK_RANGE
-#endif
-#ifdef _POSIX_MEMORY_PROTECTION
-    case _SC_MEMORY_PROTECTION: return _POSIX_MEMORY_PROTECTION;
-#endif
-#ifdef _POSIX_MESSAGE_PASSING
-    case _SC_MESSAGE_PASSING:   return _POSIX_MESSAGE_PASSING;
-#endif
-#ifdef _POSIX_PRIORITIZED_IO
-    case _SC_PRIORITIZED_IO:    return _POSIX_PRIORITIZED_IO;
-#endif
-#ifdef _POSIX_PRIORITY_SCHEDULING
-    case _SC_PRIORITY_SCHEDULING:  return _POSIX_PRIORITY_SCHEDULING;
-#endif
-#ifdef _POSIX_REALTIME_SIGNALS
-    case _SC_REALTIME_SIGNALS:  return _POSIX_REALTIME_SIGNALS;
-#endif
-#ifdef _POSIX_SEMAPHORES
-    case _SC_SEMAPHORES:        return _POSIX_SEMAPHORES;
-#endif
-#ifdef _POSIX_SHARED_MEMORY_OBJECTS
-    case _SC_SHARED_MEMORY_OBJECTS:  return _POSIX_SHARED_MEMORY_OBJECTS;
-#endif
-#ifdef _POSIX_SYNCHRONIZED_IO
-    case _SC_SYNCHRONIZED_IO:   return _POSIX_SYNCHRONIZED_IO;
-#endif
-#ifdef _POSIX_TIMERS
-    case _SC_TIMERS:            return _POSIX_TIMERS;
-#endif
-
-    // GETGR_R_SIZE_MAX ?
-    // GETPW_R_SIZE_MAX ?
-
-    case _SC_LOGIN_NAME_MAX:    return SYSTEM_LOGIN_NAME_MAX;
-#ifdef _POSIX_THREAD_DESTRUCTOR_ITERATIONS
-    case _SC_THREAD_DESTRUCTOR_ITERATIONS:  return _POSIX_THREAD_DESTRUCTOR_ITERATIONS;
-#endif
-    case _SC_THREAD_KEYS_MAX:     return SYSTEM_THREAD_KEYS_MAX;
-    case _SC_THREAD_STACK_MIN:    return SYSTEM_THREAD_STACK_MIN;
-    case _SC_THREAD_THREADS_MAX:  return SYSTEM_THREAD_THREADS_MAX;
-    case _SC_TTY_NAME_MAX:        return SYSTEM_TTY_NAME_MAX;
-#ifdef _POSIX_THREADS
-    case _SC_THREADS:             return _POSIX_THREADS;
-#endif
-#ifdef _POSIX_THREAD_ATTR_STACKADDR
-    case _SC_THREAD_ATTR_STACKADDR:   return _POSIX_THREAD_ATTR_STACKADDR;
-#endif
-#ifdef _POSIX_THREAD_ATTR_STACKSIZE
-    case _SC_THREAD_ATTR_STACKSIZE:   return _POSIX_THREAD_ATTR_STACKSIZE;
-#endif
-#ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
-    case _SC_THREAD_PRIORITY_SCHEDULING:  return _POSIX_THREAD_PRIORITY_SCHEDULING;
-#endif
-#ifdef _POSIX_THREAD_PRIO_INHERIT
-    case _SC_THREAD_PRIO_INHERIT:         return _POSIX_THREAD_PRIO_INHERIT;
-#endif
-#ifdef _POSIX_THREAD_PRIO_PROTECT
-    case _SC_THREAD_PRIO_PROTECT: return _POSIX_THREAD_PRIO_PROTECT;
-#endif
-#ifdef _POSIX_THREAD_SAFE_FUNCTIONS
-    case _SC_THREAD_SAFE_FUNCTIONS:  return _POSIX_THREAD_SAFE_FUNCTIONS
-#endif
-
-
-    case _SC_NPROCESSORS_CONF:  return __get_nproc_conf();
-    case _SC_NPROCESSORS_ONLN:  return __get_nproc_onln();
-    case _SC_PHYS_PAGES:        return __get_phys_pages();
-    case _SC_AVPHYS_PAGES:      return __get_avphys_pages();
-
-    default:
-       /* Posix says EINVAL is the only error that shall be returned,
-        * but GLibc uses ENOSYS */
-        errno = ENOSYS;
-        return -1;
-    }
-}
-
-
-typedef struct {
-    int   rpos;
-    int   len;
-    int   overflow;
-    int   fd;
-    int   in_len;
-    int   in_pos;
-    char  buff[128];
-    char  input[128];
-} LineParser;
-
-static int
-line_parser_init( LineParser*  p, const char*  path )
-{
-    p->rpos     = 0;
-    p->len      = (int)sizeof(p->buff);
-    p->overflow = 0;
-
-    p->in_len   = 0;
-    p->in_pos   = 0;
-    p->fd       = open( path, O_RDONLY );
-
-    return p->fd;
-}
-
-
-static int
-line_parser_addc( LineParser*  p, int  c )
-{
-    if (p->overflow) {
-        p->overflow = (c == '\n');
-        return 0;
-    }
-    if (p->rpos >= p->len) {
-        p->overflow = 1;
-        return 0;
-    }
-    if (c == '\n') {
-        p->buff[p->rpos] = 0;
-        p->rpos = 0;
-        return 1;
-    }
-    p->buff[p->rpos++] = (char) c;
-    return 0;
-}
-
-static int
-line_parser_getc( LineParser*  p )
-{
-    if (p->in_len >= p->in_pos) {
-        int  ret;
-
-        p->in_len = p->in_pos = 0;
-        do {
-            ret = read(p->fd, p->input, sizeof(p->input));
-        } while (ret < 0 && errno == EINTR);
-
-        if (ret <= 0)
-            return -1;
-
-        p->in_len = ret;
-    }
-    return p->input[ p->in_pos++ ];
-}
-
-static const char*
-line_parser_gets( LineParser*  p )
-{
-    for (;;) {
-        for (;;) {
-            int  c = line_parser_getc(p);
-
-            if (c < 0) {
-                close(p->fd);
-                p->fd = -1;
-                return NULL;
-             }
-             if (line_parser_addc(p, c))
-                return p->buff;
-        }
-    }
-}
-
-static void
-line_parser_done( LineParser* p )
-{
-    if (p->fd >= 0) {
-        close(p->fd);
-        p->fd = -1;
-    }
-}
-
-static int
-__get_nproc_conf(void)
-{
-    LineParser   parser[1];
-    const char*  p;
-    int          count = 0;
-
-    if (line_parser_init(parser, "/proc/cpuinfo") < 0)
-        return 1;
-
-    while ((p = line_parser_gets(parser))) {
-        if ( !memcmp(p, "processor", 9) )
-            count += 1;
-    }
-    return (count < 1) ? 1 : count;
-}
-
-
-static int
-__get_nproc_onln(void)
-{
-    LineParser   parser[1];
-    const char*  p;
-    int          count = 0;
-
-    if (line_parser_init(parser, "/proc/stat") < 0)
-        return 1;
-
-    while ((p = line_parser_gets(parser))) {
-        if ( !memcmp(p, "cpu", 3) && isdigit(p[3]) )
-            count += 1;
-    }
-    return (count < 1) ? 1 : count;
-}
-
-static int
-__get_phys_pages(void)
-{
-    LineParser   parser[1];
-    const char*  p;
-
-    if (line_parser_init(parser, "/proc/meminfo") < 0)
-        return -2;  /* what ? */
-
-    while ((p = line_parser_gets(parser))) {
-        long  total;
-        if ( sscanf(p, "MemTotal: %ld kB", &total) == 1 ) {
-            line_parser_done(parser);
-            return (int) (total / (PAGE_SIZE/1024));
-        }
-    }
-    return -3;
-}
-
-static int
-__get_avphys_pages(void)
-{
-    LineParser   parser[1];
-    const char*  p;
-
-    if (line_parser_init(parser, "/proc/meminfo") < 0)
-        return -1;  /* what ? */
-
-    while ((p = line_parser_gets(parser))) {
-        long  total;
-        if ( sscanf(p, "MemFree: %ld kB", &total) == 1 ) {
-            line_parser_done(parser);
-            return (int) (total / (PAGE_SIZE/1024));
-        }
-    }
-    return -1;
-}