int
msgsnd(int msqid, const void *msgp, size_t msgsz, int msgflg)
{
int ret;
ENTER_CANCEL_POINT(1);
ret = HIDDEN(msgsnd)(msqid, msgp, msgsz, msgflg);
LEAVE_CANCEL_POINT(ret == -1);
return (ret);
}
int
nanosleep(const struct timespec *timeout, struct timespec *remainder)
{
int ret;
ENTER_CANCEL_POINT(1);
ret = HIDDEN(nanosleep)(timeout, remainder);
LEAVE_CANCEL_POINT(1);
return (ret);
}
int
msgrcv(int msqid, void *msgp, size_t msgsz, long msgtyp, int msgflg)
{
int ret;
ENTER_CANCEL_POINT(1);
ret = HIDDEN(msgrcv)(msqid, msgp, msgsz, msgtyp, msgflg);
LEAVE_CANCEL_POINT(ret == -1);
return (ret);
}
int
connect(int s, const struct sockaddr *name, socklen_t namelen)
{
int ret;
ENTER_CANCEL_POINT(1);
ret = HIDDEN(connect)(s, name, namelen);
LEAVE_CANCEL_POINT(ret == -1);
return (ret);
}
int
closefrom(int fd)
{
int ret;
ENTER_CANCEL_POINT(0);
ret = HIDDEN(closefrom)(fd);
LEAVE_CANCEL_POINT(1);
return (ret);
}
int
poll(struct pollfd *fds, nfds_t nfds, int timeout)
{
int ret;
ENTER_CANCEL_POINT(1);
ret = HIDDEN(poll)(fds, nfds, timeout);
LEAVE_CANCEL_POINT(ret == -1);
return (ret);
}
ssize_t
recvmsg(int fd, struct msghdr *msg, int flags)
{
ssize_t ret;
ENTER_CANCEL_POINT(1);
ret = HIDDEN(recvmsg)(fd, msg, flags);
LEAVE_CANCEL_POINT(ret == -1);
return (ret);
}
int
wait4(pid_t wpid, int *status, int options, struct rusage *rusage)
{
int ret;
ENTER_CANCEL_POINT(1);
ret = HIDDEN(wait4)(wpid, status, options, rusage);
LEAVE_CANCEL_POINT(ret <= 0);
return (ret);
}
ssize_t
sendmsg(int s, const struct msghdr *msg, int flags)
{
ssize_t ret;
ENTER_CANCEL_POINT(1);
ret = HIDDEN(sendmsg)(s, msg, flags);
LEAVE_CANCEL_POINT(ret <= 0);
return (ret);
}
int
select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
struct timeval *timeout)
{
int ret;
ENTER_CANCEL_POINT(1);
ret = HIDDEN(select)(nfds, readfds, writefds, exceptfds, timeout);
LEAVE_CANCEL_POINT(ret == -1);
return (ret);
}
static int* find_a(char *str,char* _latest)
{
char *link = _latest;
int len = strlen(str);
while (link)
{
if (!HIDDEN(link[sizeof(int*)]) && ((int)(RFLAGS(link[sizeof(int)])) == len) && (!strncmp(link+1+sizeof(int*), str, (int)(RFLAGS(link[sizeof(int*)])))))
{
return TOIP(link);
}
link = (char*)*(TOIP(link));
}
return 0;
}
#include "objs/politics.h"
#include "objs/type.h"
#define HIDDEN(ident, name) {-1, 0, 0, name, ident},
#define INDEPENDANT(ident, name) {-1, 1, 0, name, ident},
#define DEPENDANT(ident, name) {-1, 1, 1, name, ident},
#define LINE_END {0, 0, 0, NULL, NULL}
static struct answer line1[] = {
INDEPENDANT(gc_type, "type")
INDEPENDANT(gc_dress, "dress")
INDEPENDANT(gc_height, "height")
INDEPENDANT(gc_weight, "weight")
INDEPENDANT(gc_age, "age")
INDEPENDANT(gc_computers, "computers")
HIDDEN(gc_unix_type, "unix type")
DEPENDANT(gc_unix, "unix")
INDEPENDANT(gc_perl, "perl")
INDEPENDANT(gc_linux, "linux")
INDEPENDANT(gc_emacs, "emacs")
INDEPENDANT(gc_www, "WWW")
INDEPENDANT(gc_usenet, "usenet")
INDEPENDANT(gc_oracle, "oracle")
INDEPENDANT(gc_kibo, "kibo")
INDEPENDANT(gc_windows, "windows")
LINE_END
};
static struct answer line2[] = {
INDEPENDANT(gc_os2, "OS/2")
INDEPENDANT(gc_mac, "mac")
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <fcntl.h>
#include <stdarg.h>
#include "cancel.h"
int
open(const char *path, int flags, ...)
{
va_list ap;
mode_t mode = 0;
int ret;
if (flags & O_CREAT) {
va_start(ap, flags);
mode = va_arg(ap, int);
va_end(ap);
}
ENTER_CANCEL_POINT(1);
ret = HIDDEN(open)(path, flags, mode);
LEAVE_CANCEL_POINT(ret == -1);
return (ret);
}
DEF_CANCEL(open);
/*
* sysconf --
* get configurable system variables.
*
* XXX
* POSIX 1003.1 (ISO/IEC 9945-1, 4.8.1.3) states that the variable values
* not change during the lifetime of the calling process. This would seem
* to require that any change to system limits kill all running processes.
* A workaround might be to cache the values when they are first retrieved
* and then simply return the cached value on subsequent calls. This is
* less useful than returning up-to-date values, however.
*/
long
sysconf(int name)
{
struct rlimit rl;
size_t len;
int mib[3], value, namelen, sverrno;
len = sizeof(value);
namelen = 2;
switch (name) {
/* 1003.1 */
case _SC_ARG_MAX:
mib[0] = CTL_KERN;
mib[1] = KERN_ARGMAX;
break;
case _SC_CHILD_MAX:
if (getrlimit(RLIMIT_NPROC, &rl) != 0)
return (-1);
if (rl.rlim_cur == RLIM_INFINITY)
return (-1);
if (rl.rlim_cur > LONG_MAX) {
errno = EOVERFLOW;
return (-1);
}
return ((long)rl.rlim_cur);
case _SC_CLK_TCK:
return (CLK_TCK);
case _SC_JOB_CONTROL:
return (_POSIX_JOB_CONTROL);
case _SC_NGROUPS_MAX:
mib[0] = CTL_KERN;
mib[1] = KERN_NGROUPS;
break;
case _SC_OPEN_MAX:
if (getrlimit(RLIMIT_NOFILE, &rl) != 0)
return (-1);
if (rl.rlim_cur == RLIM_INFINITY)
return (-1);
if (rl.rlim_cur > LONG_MAX) {
errno = EOVERFLOW;
return (-1);
}
return ((long)rl.rlim_cur);
case _SC_STREAM_MAX:
if (getrlimit(RLIMIT_NOFILE, &rl) != 0)
return (-1);
if (rl.rlim_cur == RLIM_INFINITY)
return (-1);
if (rl.rlim_cur > LONG_MAX) {
errno = EOVERFLOW;
return (-1);
}
/*
* struct __sFILE currently has a limitation that
* file descriptors must fit in a signed short.
* This doesn't precisely capture the letter of POSIX
* but approximates the spirit.
*/
if (rl.rlim_cur > SHRT_MAX)
return (SHRT_MAX);
return ((long)rl.rlim_cur);
case _SC_TZNAME_MAX:
return (NAME_MAX);
case _SC_SAVED_IDS:
return (_POSIX_SAVED_IDS);
case _SC_VERSION:
mib[0] = CTL_KERN;
mib[1] = KERN_POSIX1;
break;
/* 1003.1b */
case _SC_PAGESIZE:
if (_pagesize != 0)
return (_pagesize);
mib[0] = CTL_HW;
mib[1] = HW_PAGESIZE;
break;
case _SC_FSYNC:
return (_POSIX_FSYNC);
/* 1003.1c */
case _SC_LOGIN_NAME_MAX:
return (LOGIN_NAME_MAX);
case _SC_THREAD_SAFE_FUNCTIONS:
return (_POSIX_THREAD_SAFE_FUNCTIONS);
case _SC_GETGR_R_SIZE_MAX:
return (_GR_BUF_LEN);
case _SC_GETPW_R_SIZE_MAX:
return (_PW_BUF_LEN);
/* 1003.2 */
case _SC_BC_BASE_MAX:
return (BC_BASE_MAX);
case _SC_BC_DIM_MAX:
return (BC_DIM_MAX);
case _SC_BC_SCALE_MAX:
return (BC_SCALE_MAX);
case _SC_BC_STRING_MAX:
return (BC_STRING_MAX);
case _SC_COLL_WEIGHTS_MAX:
return (COLL_WEIGHTS_MAX);
case _SC_EXPR_NEST_MAX:
return (EXPR_NEST_MAX);
case _SC_LINE_MAX:
return (LINE_MAX);
case _SC_RE_DUP_MAX:
return (RE_DUP_MAX);
case _SC_2_VERSION:
return (_POSIX2_VERSION);
case _SC_2_C_BIND:
return (_POSIX2_C_BIND);
case _SC_2_C_DEV:
return (_POSIX2_C_DEV);
case _SC_2_CHAR_TERM:
return (_POSIX2_CHAR_TERM);
case _SC_2_FORT_DEV:
return (_POSIX2_FORT_DEV);
case _SC_2_FORT_RUN:
return (_POSIX2_FORT_RUN);
case _SC_2_LOCALEDEF:
return (_POSIX2_LOCALEDEF);
case _SC_2_SW_DEV:
return (_POSIX2_SW_DEV);
case _SC_2_UPE:
return (_POSIX2_UPE);
/* XPG 4.2 */
case _SC_XOPEN_SHM:
mib[0] = CTL_KERN;
mib[1] = KERN_SYSVSHM;
if (sysctl(mib, namelen, &value, &len, NULL, 0) == -1)
return (-1);
if (value == 0)
return (-1);
return (value);
break;
case _SC_SEM_NSEMS_MAX:
return (-1);
case _SC_SEM_VALUE_MAX:
return (SEM_VALUE_MAX);
/* Unsorted */
case _SC_HOST_NAME_MAX:
return (HOST_NAME_MAX); /* does not include \0 */
case _SC_MONOTONIC_CLOCK:
return (_POSIX_MONOTONIC_CLOCK);
case _SC_2_PBS:
case _SC_2_PBS_ACCOUNTING:
case _SC_2_PBS_CHECKPOINT:
case _SC_2_PBS_LOCATE:
case _SC_2_PBS_MESSAGE:
case _SC_2_PBS_TRACK:
return (_POSIX2_PBS);
case _SC_ADVISORY_INFO:
return (_POSIX_ADVISORY_INFO);
case _SC_AIO_LISTIO_MAX:
case _SC_AIO_MAX:
case _SC_AIO_PRIO_DELTA_MAX:
return (-1);
case _SC_ASYNCHRONOUS_IO:
return (_POSIX_ASYNCHRONOUS_IO);
case _SC_ATEXIT_MAX:
return (-1);
case _SC_BARRIERS:
return (_POSIX_BARRIERS);
case _SC_CLOCK_SELECTION:
return (_POSIX_CLOCK_SELECTION);
case _SC_CPUTIME:
return (_POSIX_CPUTIME);
case _SC_DELAYTIMER_MAX:
return (-1);
case _SC_IOV_MAX:
return (IOV_MAX);
case _SC_IPV6:
#if _POSIX_IPV6 == 0
sverrno = errno;
value = socket(PF_INET6, SOCK_DGRAM, 0);
errno = sverrno;
if (value >= 0) {
HIDDEN(close)(value);
return (200112L);
} else
return (0);
#else
return (_POSIX_IPV6);
#endif
case _SC_MAPPED_FILES:
return (_POSIX_MAPPED_FILES);
case _SC_MEMLOCK:
return (_POSIX_MEMLOCK);
case _SC_MEMLOCK_RANGE:
return (_POSIX_MEMLOCK_RANGE);
case _SC_MEMORY_PROTECTION:
return (_POSIX_MEMORY_PROTECTION);
case _SC_MESSAGE_PASSING:
return (_POSIX_MESSAGE_PASSING);
case _SC_PRIORITIZED_IO:
return (_POSIX_PRIORITIZED_IO);
case _SC_PRIORITY_SCHEDULING:
return (_POSIX_PRIORITY_SCHEDULING);
case _SC_RAW_SOCKETS:
return (_POSIX_RAW_SOCKETS);
case _SC_READER_WRITER_LOCKS:
return (_POSIX_READER_WRITER_LOCKS);
case _SC_REALTIME_SIGNALS:
return (_POSIX_REALTIME_SIGNALS);
case _SC_REGEXP:
return (_POSIX_REGEXP);
case _SC_SEMAPHORES:
return (_POSIX_SEMAPHORES);
case _SC_SHARED_MEMORY_OBJECTS:
return (_POSIX_SHARED_MEMORY_OBJECTS);
case _SC_SHELL:
return (_POSIX_SHELL);
case _SC_SIGQUEUE_MAX:
return (-1);
case _SC_SPAWN:
return (_POSIX_SPAWN);
case _SC_SPIN_LOCKS:
return (_POSIX_SPIN_LOCKS);
case _SC_SPORADIC_SERVER:
return (_POSIX_SPORADIC_SERVER);
case _SC_SYNCHRONIZED_IO:
return (_POSIX_SYNCHRONIZED_IO);
case _SC_SYMLOOP_MAX:
return (SYMLOOP_MAX);
case _SC_THREAD_ATTR_STACKADDR:
return (_POSIX_THREAD_ATTR_STACKADDR);
case _SC_THREAD_ATTR_STACKSIZE:
return (_POSIX_THREAD_ATTR_STACKSIZE);
case _SC_THREAD_CPUTIME:
return (_POSIX_THREAD_CPUTIME);
case _SC_THREAD_DESTRUCTOR_ITERATIONS:
return (PTHREAD_DESTRUCTOR_ITERATIONS);
case _SC_THREAD_KEYS_MAX:
return (PTHREAD_KEYS_MAX);
case _SC_THREAD_PRIO_INHERIT:
return (_POSIX_THREAD_PRIO_INHERIT);
case _SC_THREAD_PRIO_PROTECT:
return (_POSIX_THREAD_PRIO_PROTECT);
case _SC_THREAD_PRIORITY_SCHEDULING:
return (_POSIX_THREAD_PRIORITY_SCHEDULING);
case _SC_THREAD_PROCESS_SHARED:
return (_POSIX_THREAD_PROCESS_SHARED);
case _SC_THREAD_ROBUST_PRIO_INHERIT:
return (_POSIX_THREAD_ROBUST_PRIO_INHERIT);
case _SC_THREAD_ROBUST_PRIO_PROTECT:
return (_POSIX_THREAD_ROBUST_PRIO_PROTECT);
case _SC_THREAD_SPORADIC_SERVER:
return (_POSIX_THREAD_SPORADIC_SERVER);
case _SC_THREAD_STACK_MIN:
return (PTHREAD_STACK_MIN);
case _SC_THREAD_THREADS_MAX:
return (PTHREAD_THREADS_MAX);
case _SC_THREADS:
return (_POSIX_THREADS);
case _SC_TIMEOUTS:
return (_POSIX_TIMEOUTS);
case _SC_TIMER_MAX:
return (-1);
case _SC_TIMERS:
return (_POSIX_TIMERS);
case _SC_TRACE:
case _SC_TRACE_EVENT_FILTER:
case _SC_TRACE_EVENT_NAME_MAX:
case _SC_TRACE_INHERIT:
case _SC_TRACE_LOG:
return (_POSIX_TRACE);
case _SC_TTY_NAME_MAX:
return (TTY_NAME_MAX);
case _SC_TYPED_MEMORY_OBJECTS:
return (_POSIX_TYPED_MEMORY_OBJECTS);
case _SC_V6_ILP32_OFF32:
return (_POSIX_V6_ILP32_OFF32);
case _SC_V6_ILP32_OFFBIG:
#if _POSIX_V6_ILP32_OFFBIG == 0
if (sizeof(int) * CHAR_BIT == 32 &&
sizeof(long) * CHAR_BIT == 32 &&
sizeof(void *) * CHAR_BIT == 32 &&
sizeof(off_t) * CHAR_BIT >= 64)
return 1;
else
return -1;
#else
return (_POSIX_V6_ILP32_OFFBIG);
#endif
case _SC_V6_LP64_OFF64:
#if _POSIX_V6_LP64_OFF64 == 0
if (sizeof(int) * CHAR_BIT == 32 &&
sizeof(long) * CHAR_BIT == 64 &&
sizeof(void *) * CHAR_BIT == 64 &&
sizeof(off_t) * CHAR_BIT == 64)
return 1;
else
return -1;
#else
return (_POSIX_V6_LP64_OFF64);
#endif
case _SC_V6_LPBIG_OFFBIG:
#if _POSIX_V6_LPBIG_OFFBIG == 0
if (sizeof(int) * CHAR_BIT >= 32 &&
sizeof(long) * CHAR_BIT >= 64 &&
sizeof(void *) * CHAR_BIT >= 64 &&
sizeof(off_t) * CHAR_BIT >= 64)
return 1;
else
return -1;
#else
return (_POSIX_V6_LPBIG_OFFBIG);
#endif
case _SC_V7_ILP32_OFF32:
return (_POSIX_V7_ILP32_OFF32);
case _SC_V7_ILP32_OFFBIG:
#if _POSIX_V7_ILP32_OFFBIG == 0
if (sizeof(int) * CHAR_BIT == 32 &&
sizeof(long) * CHAR_BIT == 32 &&
sizeof(void *) * CHAR_BIT == 32 &&
sizeof(off_t) * CHAR_BIT >= 64)
return 1;
else
return -1;
#else
return (_POSIX_V7_ILP32_OFFBIG);
#endif
case _SC_V7_LP64_OFF64:
#if _POSIX_V7_LP64_OFF64 == 0
if (sizeof(int) * CHAR_BIT == 32 &&
sizeof(long) * CHAR_BIT == 64 &&
sizeof(void *) * CHAR_BIT == 64 &&
sizeof(off_t) * CHAR_BIT == 64)
return 1;
else
return -1;
#else
return (_POSIX_V7_LP64_OFF64);
#endif
case _SC_V7_LPBIG_OFFBIG:
#if _POSIX_V7_LPBIG_OFFBIG == 0
if (sizeof(int) * CHAR_BIT >= 32 &&
sizeof(long) * CHAR_BIT >= 64 &&
sizeof(void *) * CHAR_BIT >= 64 &&
sizeof(off_t) * CHAR_BIT >= 64)
return 1;
else
return -1;
#else
return (_POSIX_V7_LPBIG_OFFBIG);
#endif
case _SC_XOPEN_CRYPT:
return (_XOPEN_CRYPT);
case _SC_XOPEN_ENH_I18N:
return (_XOPEN_ENH_I18N);
case _SC_XOPEN_LEGACY:
return (_XOPEN_LEGACY);
case _SC_XOPEN_REALTIME:
return (_XOPEN_REALTIME);
case _SC_XOPEN_REALTIME_THREADS:
return (_XOPEN_REALTIME_THREADS);
case _SC_XOPEN_STREAMS:
return (_XOPEN_STREAMS);
case _SC_XOPEN_UNIX:
return (_XOPEN_UNIX);
case _SC_XOPEN_UUCP:
return (_XOPEN_UUCP);
#ifdef _XOPEN_VERSION
case _SC_XOPEN_VERSION:
return (_XOPEN_VERSION);
#endif
/* Extensions */
case _SC_PHYS_PAGES:
{
int64_t physmem;
mib[0] = CTL_HW;
mib[1] = HW_PHYSMEM64;
len = sizeof(physmem);
if (sysctl(mib, namelen, &physmem, &len, NULL, 0) == -1)
return (-1);
return (physmem / getpagesize());
}
case _SC_AVPHYS_PAGES:
{
struct uvmexp uvmexp;
mib[0] = CTL_VM;
mib[1] = VM_UVMEXP;
len = sizeof(uvmexp);
if (sysctl(mib, namelen, &uvmexp, &len, NULL, 0) == -1)
return (-1);
return (uvmexp.free);
}
case _SC_NPROCESSORS_CONF:
mib[0] = CTL_HW;
mib[1] = HW_NCPU;
break;
case _SC_NPROCESSORS_ONLN:
mib[0] = CTL_HW;
mib[1] = HW_NCPUONLINE;
break;
default:
errno = EINVAL;
return (-1);
}
return (sysctl(mib, namelen, &value, &len, NULL, 0) == -1 ? -1 : value);
}
