#include <errno.h>
#include <sys/resource.h>
#include <signal.h>
+#include <sys/sysinfo.h>
+#include <sys/auxv.h>
#include "syscall.h"
#include "libc.h"
#define JT_SEM_VALUE_MAX JT(5)
#define JT_NPROCESSORS_CONF JT(6)
#define JT_NPROCESSORS_ONLN JT(7)
+#define JT_PHYS_PAGES JT(8)
+#define JT_AVPHYS_PAGES JT(9)
+#define JT_ZERO JT(10)
+#define JT_DELAYTIMER_MAX JT(11)
+#define JT_MINSIGSTKSZ JT(12)
+#define JT_SIGSTKSZ JT(13)
#define RLIM(x) (-32768|(RLIMIT_ ## x))
[_SC_TZNAME_MAX] = TZNAME_MAX,
[_SC_JOB_CONTROL] = 1,
[_SC_SAVED_IDS] = 1,
- [_SC_REALTIME_SIGNALS] = 1,
+ [_SC_REALTIME_SIGNALS] = VER,
[_SC_PRIORITY_SCHEDULING] = -1,
[_SC_TIMERS] = VER,
[_SC_ASYNCHRONOUS_IO] = VER,
[_SC_SHARED_MEMORY_OBJECTS] = VER,
[_SC_AIO_LISTIO_MAX] = -1,
[_SC_AIO_MAX] = -1,
- [_SC_AIO_PRIO_DELTA_MAX] = 0, /* ?? */
- [_SC_DELAYTIMER_MAX] = _POSIX_DELAYTIMER_MAX,
+ [_SC_AIO_PRIO_DELTA_MAX] = JT_ZERO, /* ?? */
+ [_SC_DELAYTIMER_MAX] = JT_DELAYTIMER_MAX,
[_SC_MQ_OPEN_MAX] = -1,
[_SC_MQ_PRIO_MAX] = JT_MQ_PRIO_MAX,
[_SC_VERSION] = VER,
[_SC_BC_SCALE_MAX] = _POSIX2_BC_SCALE_MAX,
[_SC_BC_STRING_MAX] = _POSIX2_BC_STRING_MAX,
[_SC_COLL_WEIGHTS_MAX] = COLL_WEIGHTS_MAX,
- [_SC_EQUIV_CLASS_MAX] = -1, /* ?? */
[_SC_EXPR_NEST_MAX] = -1,
[_SC_LINE_MAX] = -1,
[_SC_RE_DUP_MAX] = RE_DUP_MAX,
- [_SC_CHARCLASS_NAME_MAX] = -1, /* ?? */
[_SC_2_VERSION] = VER,
[_SC_2_C_BIND] = VER,
[_SC_2_C_DEV] = -1,
[_SC_2_FORT_RUN] = -1,
[_SC_2_SW_DEV] = -1,
[_SC_2_LOCALEDEF] = -1,
- [_SC_PII] = -1, /* ????????? */
- [_SC_PII_XTI] = -1,
- [_SC_PII_SOCKET] = -1,
- [_SC_PII_INTERNET] = -1,
- [_SC_PII_OSI] = -1,
- [_SC_POLL] = 1,
- [_SC_SELECT] = 1,
[_SC_IOV_MAX] = IOV_MAX,
- [_SC_PII_INTERNET_STREAM] = -1,
- [_SC_PII_INTERNET_DGRAM] = -1,
- [_SC_PII_OSI_COTS] = -1,
- [_SC_PII_OSI_CLTS] = -1,
- [_SC_PII_OSI_M] = -1,
- [_SC_T_IOV_MAX] = -1,
[_SC_THREADS] = VER,
[_SC_THREAD_SAFE_FUNCTIONS] = VER,
[_SC_GETGR_R_SIZE_MAX] = -1,
[_SC_THREAD_PROCESS_SHARED] = VER,
[_SC_NPROCESSORS_CONF] = JT_NPROCESSORS_CONF,
[_SC_NPROCESSORS_ONLN] = JT_NPROCESSORS_ONLN,
- [_SC_PHYS_PAGES] = -1,
- [_SC_AVPHYS_PAGES] = -1,
+ [_SC_PHYS_PAGES] = JT_PHYS_PAGES,
+ [_SC_AVPHYS_PAGES] = JT_AVPHYS_PAGES,
[_SC_ATEXIT_MAX] = -1,
[_SC_PASS_MAX] = -1,
[_SC_XOPEN_VERSION] = _XOPEN_VERSION,
[_SC_XOPEN_ENH_I18N] = 1,
[_SC_XOPEN_SHM] = 1,
[_SC_2_CHAR_TERM] = -1,
- [_SC_2_C_VERSION] = -1,
[_SC_2_UPE] = -1,
[_SC_XOPEN_XPG2] = -1,
[_SC_XOPEN_XPG3] = -1,
[_SC_XOPEN_XPG4] = -1,
- [_SC_CHAR_BIT] = -1,
- [_SC_CHAR_MAX] = -1,
- [_SC_CHAR_MIN] = -1,
- [_SC_INT_MAX] = -1,
- [_SC_INT_MIN] = -1,
- [_SC_LONG_BIT] = -1,
- [_SC_WORD_BIT] = -1,
- [_SC_MB_LEN_MAX] = -1,
[_SC_NZERO] = NZERO,
- [_SC_SSIZE_MAX] = -1,
- [_SC_SCHAR_MAX] = -1,
- [_SC_SCHAR_MIN] = -1,
- [_SC_SHRT_MAX] = -1,
- [_SC_SHRT_MIN] = -1,
- [_SC_UCHAR_MAX] = -1,
- [_SC_UINT_MAX] = -1,
- [_SC_ULONG_MAX] = -1,
- [_SC_USHRT_MAX] = -1,
- [_SC_NL_ARGMAX] = -1,
- [_SC_NL_LANGMAX] = -1,
- [_SC_NL_MSGMAX] = -1,
- [_SC_NL_NMAX] = -1,
- [_SC_NL_SETMAX] = -1,
- [_SC_NL_TEXTMAX] = -1,
[_SC_XBS5_ILP32_OFF32] = -1,
- [_SC_XBS5_ILP32_OFFBIG] = 2*(sizeof(long)==4)-1,
- [_SC_XBS5_LP64_OFF64] = 2*(sizeof(long)==8)-1,
+ [_SC_XBS5_ILP32_OFFBIG] = sizeof(long)==4 ? 1 : -1,
+ [_SC_XBS5_LP64_OFF64] = sizeof(long)==8 ? 1 : -1,
[_SC_XBS5_LPBIG_OFFBIG] = -1,
[_SC_XOPEN_LEGACY] = -1,
[_SC_XOPEN_REALTIME] = -1,
[_SC_XOPEN_REALTIME_THREADS] = -1,
[_SC_ADVISORY_INFO] = VER,
[_SC_BARRIERS] = VER,
- [_SC_BASE] = -1,
- [_SC_C_LANG_SUPPORT] = -1,
- [_SC_C_LANG_SUPPORT_R] = -1,
[_SC_CLOCK_SELECTION] = VER,
[_SC_CPUTIME] = VER,
[_SC_THREAD_CPUTIME] = VER,
- [_SC_DEVICE_IO] = -1,
- [_SC_DEVICE_SPECIFIC] = -1,
- [_SC_DEVICE_SPECIFIC_R] = -1,
- [_SC_FD_MGMT] = -1,
- [_SC_FIFO] = -1,
- [_SC_PIPE] = -1,
- [_SC_FILE_ATTRIBUTES] = -1,
- [_SC_FILE_LOCKING] = -1,
- [_SC_FILE_SYSTEM] = -1,
[_SC_MONOTONIC_CLOCK] = VER,
- [_SC_MULTI_PROCESS] = -1,
- [_SC_SINGLE_PROCESS] = -1,
- [_SC_NETWORKING] = -1,
[_SC_READER_WRITER_LOCKS] = VER,
[_SC_SPIN_LOCKS] = VER,
[_SC_REGEXP] = 1,
- [_SC_REGEX_VERSION] = -1,
[_SC_SHELL] = 1,
- [_SC_SIGNALS] = -1,
[_SC_SPAWN] = VER,
[_SC_SPORADIC_SERVER] = -1,
[_SC_THREAD_SPORADIC_SERVER] = -1,
- [_SC_SYSTEM_DATABASE] = -1,
- [_SC_SYSTEM_DATABASE_R] = -1,
[_SC_TIMEOUTS] = VER,
[_SC_TYPED_MEMORY_OBJECTS] = -1,
- [_SC_USER_GROUPS] = -1,
- [_SC_USER_GROUPS_R] = -1,
[_SC_2_PBS] = -1,
[_SC_2_PBS_ACCOUNTING] = -1,
[_SC_2_PBS_LOCATE] = -1,
[_SC_2_PBS_MESSAGE] = -1,
[_SC_2_PBS_TRACK] = -1,
[_SC_SYMLOOP_MAX] = SYMLOOP_MAX,
- [_SC_STREAMS] = 0,
+ [_SC_STREAMS] = JT_ZERO,
[_SC_2_PBS_CHECKPOINT] = -1,
[_SC_V6_ILP32_OFF32] = -1,
- [_SC_V6_ILP32_OFFBIG] = 2*(sizeof(long)==4)-1,
- [_SC_V6_LP64_OFF64] = 2*(sizeof(long)==8)-1,
+ [_SC_V6_ILP32_OFFBIG] = sizeof(long)==4 ? 1 : -1,
+ [_SC_V6_LP64_OFF64] = sizeof(long)==8 ? 1 : -1,
[_SC_V6_LPBIG_OFFBIG] = -1,
[_SC_HOST_NAME_MAX] = HOST_NAME_MAX,
[_SC_TRACE] = -1,
[_SC_IPV6] = VER,
[_SC_RAW_SOCKETS] = VER,
[_SC_V7_ILP32_OFF32] = -1,
- [_SC_V7_ILP32_OFFBIG] = 2*(sizeof(long)==4)-1,
- [_SC_V7_LP64_OFF64] = 2*(sizeof(long)==8)-1,
+ [_SC_V7_ILP32_OFFBIG] = sizeof(long)==4 ? 1 : -1,
+ [_SC_V7_LP64_OFF64] = sizeof(long)==8 ? 1 : -1,
[_SC_V7_LPBIG_OFFBIG] = -1,
[_SC_SS_REPL_MAX] = -1,
[_SC_TRACE_EVENT_NAME_MAX] = -1,
[_SC_TRACE_NAME_MAX] = -1,
[_SC_TRACE_SYS_MAX] = -1,
[_SC_TRACE_USER_EVENT_MAX] = -1,
- [_SC_XOPEN_STREAMS] = 0,
+ [_SC_XOPEN_STREAMS] = JT_ZERO,
[_SC_THREAD_ROBUST_PRIO_INHERIT] = -1,
[_SC_THREAD_ROBUST_PRIO_PROTECT] = -1,
+
+ [_SC_MINSIGSTKSZ] = JT_MINSIGSTKSZ,
+ [_SC_SIGSTKSZ] = JT_SIGSTKSZ,
};
- if (name > sizeof(values)/sizeof(values[0])) {
+ if (name >= sizeof(values)/sizeof(values[0]) || !values[name]) {
errno = EINVAL;
return -1;
} else if (values[name] >= -1) {
return values[name];
} else if (values[name] < -256) {
- long lim[2];
- __syscall(SYS_getrlimit, values[name]&16383, lim);
- return lim[0] < 0 ? LONG_MAX : lim[0];
+ struct rlimit lim;
+ getrlimit(values[name]&16383, &lim);
+ if (lim.rlim_cur == RLIM_INFINITY)
+ return -1;
+ return lim.rlim_cur > LONG_MAX ? LONG_MAX : lim.rlim_cur;
}
switch ((unsigned char)values[name]) {
return PAGE_SIZE;
case JT_SEM_VALUE_MAX & 255:
return SEM_VALUE_MAX;
+ case JT_DELAYTIMER_MAX & 255:
+ return DELAYTIMER_MAX;
case JT_NPROCESSORS_CONF & 255:
case JT_NPROCESSORS_ONLN & 255: ;
unsigned char set[128] = {1};
for (i=cnt=0; i<sizeof set; i++)
for (; set[i]; set[i]&=set[i]-1, cnt++);
return cnt;
+ case JT_PHYS_PAGES & 255:
+ case JT_AVPHYS_PAGES & 255: ;
+ unsigned long long mem;
+ struct sysinfo si;
+ __lsysinfo(&si);
+ if (!si.mem_unit) si.mem_unit = 1;
+ if (name==_SC_PHYS_PAGES) mem = si.totalram;
+ else mem = si.freeram + si.bufferram;
+ mem *= si.mem_unit;
+ mem /= PAGE_SIZE;
+ return (mem > LONG_MAX) ? LONG_MAX : mem;
+ case JT_MINSIGSTKSZ & 255:
+ case JT_SIGSTKSZ & 255: ;
+ long val = __getauxval(AT_MINSIGSTKSZ);
+ if (val < MINSIGSTKSZ) val = MINSIGSTKSZ;
+ if (values[name] == JT_SIGSTKSZ)
+ val += SIGSTKSZ - MINSIGSTKSZ;
+ return val;
+ case JT_ZERO & 255:
+ return 0;
}
return values[name];
}
projects / musl / blobdiff