Merge remote-tracking branch 'origin/master' into fix-glibc-compatibility-2

This commit is contained in:
Alexey Milovidov 2019-01-20 00:37:42 +03:00
commit 68af2eaf00
12 changed files with 531 additions and 43 deletions

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@ -1,4 +1,4 @@
if (NOT ARCH_ARM AND NOT ARCH_32)
if (NOT ARCH_ARM AND NOT ARCH_32 AND NOT APPLE)
option (ENABLE_RDKAFKA "Enable kafka" ON)
endif ()

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@ -0,0 +1 @@
1

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@ -0,0 +1 @@
SELECT filesystemCapacity() >= filesystemFree() AND filesystemFree() >= filesystemAvailable() AND filesystemAvailable() >= 0;

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@ -8,19 +8,9 @@
* Note: the function names are different to avoid confusion with symbols from the system libm.
*/
#include <stdlib.h> /// for __THROW
// freebsd have no __THROW
#if !defined(__THROW)
#define __THROW
#endif
extern "C"
{
double preciseExp10(double x) __THROW;
double precisePow10(double x) __THROW;
float preciseExp10f(float x) __THROW;
float precisePow10f(float x) __THROW;
double preciseExp10(double x);
}

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@ -190,30 +190,3 @@ double preciseExp10(double x)
}
return pow(10.0, x);
}
float preciseExp10f(float x)
{
static const float p10[] = {
1e-7f, 1e-6f, 1e-5f, 1e-4f, 1e-3f, 1e-2f, 1e-1f,
1, 1e1, 1e2, 1e3, 1e4, 1e5, 1e6, 1e7
};
float n, y = modff(x, &n);
union {float f; uint32_t i;} u = {n};
/* fabsf(n) < 8 without raising invalid on nan */
if ((u.i>>23 & 0xff) < 0x7f+3) {
if (!y) return p10[(int)n+7];
y = exp2f(3.32192809488736234787031942948939f * y);
return y * p10[(int)n+7];
}
return exp2(3.32192809488736234787031942948939 * x);
}
double precisePow10(double x)
{
return preciseExp10(x);
}
float precisePow10f(float x)
{
return preciseExp10f(x);
}

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@ -7,8 +7,8 @@
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/fcntl.h>
#include <sys/time.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include <signal.h>

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@ -20,7 +20,10 @@ musl/glob.c
musl/exp2f.c
musl/pwritev.c
musl/getrandom.c
musl/fcntl.c)
musl/fcntl.c
musl/timespec_get.c
musl/sched_getcpu.c
)
if (MAKE_STATIC_LIBRARIES)
set (GLIBC_COMPATIBILITY_SOURCES ${GLIBC_COMPATIBILITY_SOURCES}

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@ -1,5 +1,5 @@
/** Allows to build programs with libc 2.18 and run on systems with at least libc 2.4,
* such as Ubuntu Lucid or CentOS 6.
/** Allows to build programs with libc 2.27 and run on systems with at least libc 2.4,
* such as Ubuntu Hardy or CentOS 5.
*
* Also look at http://www.lightofdawn.org/wiki/wiki.cgi/NewAppsOnOldGlibc
*/
@ -85,6 +85,28 @@ int __vasprintf_chk(char **s, int unused, const char *fmt, va_list ap)
return vasprintf(s, fmt, ap);
}
int __asprintf_chk(char **result_ptr, int unused, const char *format, ...)
{
int ret;
va_list ap;
va_start (ap, format);
ret = vasprintf(result_ptr, format, ap);
va_end (ap);
return ret;
}
int vdprintf(int fd, const char *format, va_list ap);
int __dprintf_chk (int d, int unused, const char *format, ...)
{
int ret;
va_list ap;
va_start (ap, format);
ret = vdprintf(d, format, ap);
va_end (ap);
return ret;
}
size_t fread(void *ptr, size_t size, size_t nmemb, void *stream);
size_t __fread_chk(void *ptr, size_t unused, size_t size, size_t nmemb, void *stream)

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@ -0,0 +1,318 @@
#ifndef _ATOMIC_H
#define _ATOMIC_H
#include <stdint.h>
#include "atomic_arch.h"
#ifdef a_ll
#ifndef a_pre_llsc
#define a_pre_llsc()
#endif
#ifndef a_post_llsc
#define a_post_llsc()
#endif
#ifndef a_cas
#define a_cas a_cas
static inline int a_cas(volatile int *p, int t, int s)
{
int old;
a_pre_llsc();
do old = a_ll(p);
while (old==t && !a_sc(p, s));
a_post_llsc();
return old;
}
#endif
#ifndef a_swap
#define a_swap a_swap
static inline int a_swap(volatile int *p, int v)
{
int old;
a_pre_llsc();
do old = a_ll(p);
while (!a_sc(p, v));
a_post_llsc();
return old;
}
#endif
#ifndef a_fetch_add
#define a_fetch_add a_fetch_add
static inline int a_fetch_add(volatile int *p, int v)
{
int old;
a_pre_llsc();
do old = a_ll(p);
while (!a_sc(p, (unsigned)old + v));
a_post_llsc();
return old;
}
#endif
#ifndef a_fetch_and
#define a_fetch_and a_fetch_and
static inline int a_fetch_and(volatile int *p, int v)
{
int old;
a_pre_llsc();
do old = a_ll(p);
while (!a_sc(p, old & v));
a_post_llsc();
return old;
}
#endif
#ifndef a_fetch_or
#define a_fetch_or a_fetch_or
static inline int a_fetch_or(volatile int *p, int v)
{
int old;
a_pre_llsc();
do old = a_ll(p);
while (!a_sc(p, old | v));
a_post_llsc();
return old;
}
#endif
#endif
#ifdef a_ll_p
#ifndef a_cas_p
#define a_cas_p a_cas_p
static inline void *a_cas_p(volatile void *p, void *t, void *s)
{
void *old;
a_pre_llsc();
do old = a_ll_p(p);
while (old==t && !a_sc_p(p, s));
a_post_llsc();
return old;
}
#endif
#endif
#ifndef a_cas
#error missing definition of a_cas
#endif
#ifndef a_swap
#define a_swap a_swap
static inline int a_swap(volatile int *p, int v)
{
int old;
do old = *p;
while (a_cas(p, old, v) != old);
return old;
}
#endif
#ifndef a_fetch_add
#define a_fetch_add a_fetch_add
static inline int a_fetch_add(volatile int *p, int v)
{
int old;
do old = *p;
while (a_cas(p, old, (unsigned)old+v) != old);
return old;
}
#endif
#ifndef a_fetch_and
#define a_fetch_and a_fetch_and
static inline int a_fetch_and(volatile int *p, int v)
{
int old;
do old = *p;
while (a_cas(p, old, old&v) != old);
return old;
}
#endif
#ifndef a_fetch_or
#define a_fetch_or a_fetch_or
static inline int a_fetch_or(volatile int *p, int v)
{
int old;
do old = *p;
while (a_cas(p, old, old|v) != old);
return old;
}
#endif
#ifndef a_and
#define a_and a_and
static inline void a_and(volatile int *p, int v)
{
a_fetch_and(p, v);
}
#endif
#ifndef a_or
#define a_or a_or
static inline void a_or(volatile int *p, int v)
{
a_fetch_or(p, v);
}
#endif
#ifndef a_inc
#define a_inc a_inc
static inline void a_inc(volatile int *p)
{
a_fetch_add(p, 1);
}
#endif
#ifndef a_dec
#define a_dec a_dec
static inline void a_dec(volatile int *p)
{
a_fetch_add(p, -1);
}
#endif
#ifndef a_store
#define a_store a_store
static inline void a_store(volatile int *p, int v)
{
#ifdef a_barrier
a_barrier();
*p = v;
a_barrier();
#else
a_swap(p, v);
#endif
}
#endif
#ifndef a_barrier
#define a_barrier a_barrier
static void a_barrier()
{
volatile int tmp = 0;
a_cas(&tmp, 0, 0);
}
#endif
#ifndef a_spin
#define a_spin a_barrier
#endif
#ifndef a_and_64
#define a_and_64 a_and_64
static inline void a_and_64(volatile uint64_t *p, uint64_t v)
{
union { uint64_t v; uint32_t r[2]; } u = { v };
if (u.r[0]+1) a_and((int *)p, u.r[0]);
if (u.r[1]+1) a_and((int *)p+1, u.r[1]);
}
#endif
#ifndef a_or_64
#define a_or_64 a_or_64
static inline void a_or_64(volatile uint64_t *p, uint64_t v)
{
union { uint64_t v; uint32_t r[2]; } u = { v };
if (u.r[0]) a_or((int *)p, u.r[0]);
if (u.r[1]) a_or((int *)p+1, u.r[1]);
}
#endif
#ifndef a_cas_p
typedef char a_cas_p_undefined_but_pointer_not_32bit[-sizeof(char) == 0xffffffff ? 1 : -1];
#define a_cas_p a_cas_p
static inline void *a_cas_p(volatile void *p, void *t, void *s)
{
return (void *)a_cas((volatile int *)p, (int)t, (int)s);
}
#endif
#ifndef a_or_l
#define a_or_l a_or_l
static inline void a_or_l(volatile void *p, long v)
{
if (sizeof(long) == sizeof(int)) a_or(p, v);
else a_or_64(p, v);
}
#endif
#ifndef a_crash
#define a_crash a_crash
static inline void a_crash()
{
*(volatile char *)0=0;
}
#endif
#ifndef a_ctz_32
#define a_ctz_32 a_ctz_32
static inline int a_ctz_32(uint32_t x)
{
#ifdef a_clz_32
return 31-a_clz_32(x&-x);
#else
static const char debruijn32[32] = {
0, 1, 23, 2, 29, 24, 19, 3, 30, 27, 25, 11, 20, 8, 4, 13,
31, 22, 28, 18, 26, 10, 7, 12, 21, 17, 9, 6, 16, 5, 15, 14
};
return debruijn32[(x&-x)*0x076be629 >> 27];
#endif
}
#endif
#ifndef a_ctz_64
#define a_ctz_64 a_ctz_64
static inline int a_ctz_64(uint64_t x)
{
static const char debruijn64[64] = {
0, 1, 2, 53, 3, 7, 54, 27, 4, 38, 41, 8, 34, 55, 48, 28,
62, 5, 39, 46, 44, 42, 22, 9, 24, 35, 59, 56, 49, 18, 29, 11,
63, 52, 6, 26, 37, 40, 33, 47, 61, 45, 43, 21, 23, 58, 17, 10,
51, 25, 36, 32, 60, 20, 57, 16, 50, 31, 19, 15, 30, 14, 13, 12
};
if (sizeof(long) < 8) {
uint32_t y = x;
if (!y) {
y = x>>32;
return 32 + a_ctz_32(y);
}
return a_ctz_32(y);
}
return debruijn64[(x&-x)*0x022fdd63cc95386dull >> 58];
}
#endif
static inline int a_ctz_l(unsigned long x)
{
return (sizeof(long) < 8) ? a_ctz_32(x) : a_ctz_64(x);
}
#ifndef a_clz_64
#define a_clz_64 a_clz_64
static inline int a_clz_64(uint64_t x)
{
#ifdef a_clz_32
if (x>>32)
return a_clz_32(x>>32);
return a_clz_32(x) + 32;
#else
uint32_t y;
int r;
if (x>>32) y=x>>32, r=0; else y=x, r=32;
if (y>>16) y>>=16; else r |= 16;
if (y>>8) y>>=8; else r |= 8;
if (y>>4) y>>=4; else r |= 4;
if (y>>2) y>>=2; else r |= 2;
return r | !(y>>1);
#endif
}
#endif
#endif

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@ -0,0 +1,123 @@
#define a_cas a_cas
static inline int a_cas(volatile int *p, int t, int s)
{
__asm__ __volatile__ (
"lock ; cmpxchg %3, %1"
: "=a"(t), "=m"(*p) : "a"(t), "r"(s) : "memory" );
return t;
}
#define a_cas_p a_cas_p
static inline void *a_cas_p(volatile void *p, void *t, void *s)
{
__asm__( "lock ; cmpxchg %3, %1"
: "=a"(t), "=m"(*(void *volatile *)p)
: "a"(t), "r"(s) : "memory" );
return t;
}
#define a_swap a_swap
static inline int a_swap(volatile int *p, int v)
{
__asm__ __volatile__(
"xchg %0, %1"
: "=r"(v), "=m"(*p) : "0"(v) : "memory" );
return v;
}
#define a_fetch_add a_fetch_add
static inline int a_fetch_add(volatile int *p, int v)
{
__asm__ __volatile__(
"lock ; xadd %0, %1"
: "=r"(v), "=m"(*p) : "0"(v) : "memory" );
return v;
}
#define a_and a_and
static inline void a_and(volatile int *p, int v)
{
__asm__ __volatile__(
"lock ; and %1, %0"
: "=m"(*p) : "r"(v) : "memory" );
}
#define a_or a_or
static inline void a_or(volatile int *p, int v)
{
__asm__ __volatile__(
"lock ; or %1, %0"
: "=m"(*p) : "r"(v) : "memory" );
}
#define a_and_64 a_and_64
static inline void a_and_64(volatile uint64_t *p, uint64_t v)
{
__asm__ __volatile(
"lock ; and %1, %0"
: "=m"(*p) : "r"(v) : "memory" );
}
#define a_or_64 a_or_64
static inline void a_or_64(volatile uint64_t *p, uint64_t v)
{
__asm__ __volatile__(
"lock ; or %1, %0"
: "=m"(*p) : "r"(v) : "memory" );
}
#define a_inc a_inc
static inline void a_inc(volatile int *p)
{
__asm__ __volatile__(
"lock ; incl %0"
: "=m"(*p) : "m"(*p) : "memory" );
}
#define a_dec a_dec
static inline void a_dec(volatile int *p)
{
__asm__ __volatile__(
"lock ; decl %0"
: "=m"(*p) : "m"(*p) : "memory" );
}
#define a_store a_store
static inline void a_store(volatile int *p, int x)
{
__asm__ __volatile__(
"mov %1, %0 ; lock ; orl $0,(%%rsp)"
: "=m"(*p) : "r"(x) : "memory" );
}
#define a_barrier a_barrier
static inline void a_barrier()
{
__asm__ __volatile__( "" : : : "memory" );
}
#define a_spin a_spin
static inline void a_spin()
{
__asm__ __volatile__( "pause" : : : "memory" );
}
#define a_crash a_crash
static inline void a_crash()
{
__asm__ __volatile__( "hlt" : : : "memory" );
}
#define a_ctz_64 a_ctz_64
static inline int a_ctz_64(uint64_t x)
{
__asm__( "bsf %1,%0" : "=r"(x) : "r"(x) );
return x;
}
#define a_clz_64 a_clz_64
static inline int a_clz_64(uint64_t x)
{
__asm__( "bsr %1,%0 ; xor $63,%0" : "=r"(x) : "r"(x) );
return x;
}

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@ -0,0 +1,45 @@
#define _GNU_SOURCE
#include <errno.h>
#include <sched.h>
#include <syscall.h>
#include "syscall.h"
#include "atomic.h"
#ifdef VDSO_GETCPU_SYM
void *__vdsosym(const char *, const char *);
static void *volatile vdso_func;
typedef long (*getcpu_f)(unsigned *, unsigned *, void *);
static long getcpu_init(unsigned *cpu, unsigned *node, void *unused)
{
void *p = __vdsosym(VDSO_GETCPU_VER, VDSO_GETCPU_SYM);
getcpu_f f = (getcpu_f)p;
a_cas_p(&vdso_func, (void *)getcpu_init, p);
return f ? f(cpu, node, unused) : -ENOSYS;
}
static void *volatile vdso_func = (void *)getcpu_init;
#endif
int sched_getcpu(void)
{
int r;
unsigned cpu;
#ifdef VDSO_GETCPU_SYM
getcpu_f f = (getcpu_f)vdso_func;
if (f) {
r = f(&cpu, 0, 0);
if (!r) return cpu;
if (r != -ENOSYS) return __syscall_ret(r);
}
#endif
r = __syscall(SYS_getcpu, &cpu, 0, 0);
if (!r) return cpu;
return __syscall_ret(r);
}

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@ -0,0 +1,12 @@
#include <time.h>
int __clock_gettime(clockid_t, struct timespec *);
/* There is no other implemented value than TIME_UTC; all other values
* are considered erroneous. */
int timespec_get(struct timespec * ts, int base)
{
if (base != TIME_UTC) return 0;
int ret = __clock_gettime(CLOCK_REALTIME, ts);
return ret < 0 ? 0 : base;
}