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fix several values reported by sysconf

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- REALTIME_SIGNALS is supposed to be version-valued
- DELAYTIMER_MAX was wrongly using the min allowed max
- unavailable compilation environments wrongly used 0 instead of -1
This commit is contained in:
Rich Felker
2018-08-28 21:28:23 -04:00
parent 1d297a2821
commit d41cdef919
1 changed files with 11 additions and 8 deletions
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src/conf/sysconf.c
+11 -8
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@@ -18,6 +18,7 @@
#define JT_PHYS_PAGES JT(8)
#define JT_AVPHYS_PAGES JT(9)
#define JT_ZERO JT(10)
#define JT_DELAYTIMER_MAX JT(11)
#define RLIM(x) (-32768|(RLIMIT_ ## x))
@@ -33,7 +34,7 @@ long sysconf(int name)
[_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,
@@ -50,7 +51,7 @@ long sysconf(int name)
[_SC_AIO_LISTIO_MAX] = -1,
[_SC_AIO_MAX] = -1,
[_SC_AIO_PRIO_DELTA_MAX] = JT_ZERO, /* ?? */
[_SC_DELAYTIMER_MAX] = _POSIX_DELAYTIMER_MAX,
[_SC_DELAYTIMER_MAX] = JT_DELAYTIMER_MAX,
[_SC_MQ_OPEN_MAX] = -1,
[_SC_MQ_PRIO_MAX] = JT_MQ_PRIO_MAX,
[_SC_VERSION] = VER,
@@ -111,8 +112,8 @@ long sysconf(int name)
[_SC_XOPEN_XPG4] = -1,
[_SC_NZERO] = NZERO,
[_SC_XBS5_ILP32_OFF32] = -1,
[_SC_XBS5_ILP32_OFFBIG] = sizeof(long)==4 ? 1 : JT_ZERO,
[_SC_XBS5_LP64_OFF64] = sizeof(long)==8 ? 1 : JT_ZERO,
[_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,
@@ -141,8 +142,8 @@ long sysconf(int name)
[_SC_STREAMS] = JT_ZERO,
[_SC_2_PBS_CHECKPOINT] = -1,
[_SC_V6_ILP32_OFF32] = -1,
[_SC_V6_ILP32_OFFBIG] = sizeof(long)==4 ? 1 : JT_ZERO,
[_SC_V6_LP64_OFF64] = sizeof(long)==8 ? 1 : JT_ZERO,
[_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,
@@ -153,8 +154,8 @@ long sysconf(int name)
[_SC_IPV6] = VER,
[_SC_RAW_SOCKETS] = VER,
[_SC_V7_ILP32_OFF32] = -1,
[_SC_V7_ILP32_OFFBIG] = sizeof(long)==4 ? 1 : JT_ZERO,
[_SC_V7_LP64_OFF64] = sizeof(long)==8 ? 1 : JT_ZERO,
[_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,
@@ -190,6 +191,8 @@ long sysconf(int 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};