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new 9254e78 Fix compatibility of glibc (#5502)
9254e78 is described below
commit 9254e78e57f4b882a3f54c42eca1da45d04a7caa
Author: Zhengguo Yang <yangz...@gmail.com>
AuthorDate: Fri Mar 12 11:44:43 2021 +0800
Fix compatibility of glibc (#5502)
* fix compatibility
* remove eventfd.c because eventfd in differene glibc has different
declarition
---
be/src/glibc-compatibility/musl/__polevll.c | 93 ++++++
be/src/glibc-compatibility/musl/accept4.c | 19 ++
be/src/glibc-compatibility/musl/epoll.c | 37 +++
be/src/glibc-compatibility/musl/getauxval.c | 45 +++
be/src/glibc-compatibility/musl/lgammal.c | 330 ++++++++++++++++++++++
be/src/glibc-compatibility/musl/mkstemps.c | 44 +++
be/src/glibc-compatibility/musl/secure_env.c | 11 -
be/src/glibc-compatibility/musl/secure_getenv.c | 8 +
be/src/glibc-compatibility/musl/strsignal.c | 125 ++++++++
be/src/glibc-compatibility/musl/sync_file_range.c | 21 ++
be/src/glibc-compatibility/musl/timerfd.c | 17 ++
11 files changed, 739 insertions(+), 11 deletions(-)
diff --git a/be/src/glibc-compatibility/musl/__polevll.c
b/be/src/glibc-compatibility/musl/__polevll.c
new file mode 100644
index 0000000..ce1a840
--- /dev/null
+++ b/be/src/glibc-compatibility/musl/__polevll.c
@@ -0,0 +1,93 @@
+/* origin: OpenBSD /usr/src/lib/libm/src/polevll.c */
+/*
+ * Copyright (c) 2008 Stephen L. Moshier <st...@moshier.net>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * 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.
+ */
+/*
+ * Evaluate polynomial
+ *
+ *
+ * SYNOPSIS:
+ *
+ * int N;
+ * long double x, y, coef[N+1], polevl[];
+ *
+ * y = polevll( x, coef, N );
+ *
+ *
+ * DESCRIPTION:
+ *
+ * Evaluates polynomial of degree N:
+ *
+ * 2 N
+ * y = C + C x + C x +...+ C x
+ * 0 1 2 N
+ *
+ * Coefficients are stored in reverse order:
+ *
+ * coef[0] = C , ..., coef[N] = C .
+ * N 0
+ *
+ * The function p1evll() assumes that coef[N] = 1.0 and is
+ * omitted from the array. Its calling arguments are
+ * otherwise the same as polevll().
+ *
+ *
+ * SPEED:
+ *
+ * In the interest of speed, there are no checks for out
+ * of bounds arithmetic. This routine is used by most of
+ * the functions in the library. Depending on available
+ * equipment features, the user may wish to rewrite the
+ * program in microcode or assembly language.
+ *
+ */
+
+#include "libm.h"
+
+#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
+#else
+/*
+ * Polynomial evaluator:
+ * P[0] x^n + P[1] x^(n-1) + ... + P[n]
+ */
+long double __polevll(long double x, const long double *P, int n)
+{
+ long double y;
+
+ y = *P++;
+ do {
+ y = y * x + *P++;
+ } while (--n);
+
+ return y;
+}
+
+/*
+ * Polynomial evaluator:
+ * x^n + P[0] x^(n-1) + P[1] x^(n-2) + ... + P[n]
+ */
+long double __p1evll(long double x, const long double *P, int n)
+{
+ long double y;
+
+ n -= 1;
+ y = x + *P++;
+ do {
+ y = y * x + *P++;
+ } while (--n);
+
+ return y;
+}
+#endif
diff --git a/be/src/glibc-compatibility/musl/accept4.c
b/be/src/glibc-compatibility/musl/accept4.c
new file mode 100644
index 0000000..59ab172
--- /dev/null
+++ b/be/src/glibc-compatibility/musl/accept4.c
@@ -0,0 +1,19 @@
+#define _GNU_SOURCE
+#include <sys/socket.h>
+#include <errno.h>
+#include <fcntl.h>
+#include "syscall.h"
+
+int accept4(int fd, struct sockaddr *restrict addr, socklen_t *restrict len,
int flg)
+{
+ if (!flg) return accept(fd, addr, len);
+ int ret = socketcall_cp(accept4, fd, addr, len, flg, 0, 0);
+ if (ret>=0 || (errno != ENOSYS && errno != EINVAL)) return ret;
+ ret = accept(fd, addr, len);
+ if (ret<0) return ret;
+ if (flg & SOCK_CLOEXEC)
+ __syscall(SYS_fcntl, ret, F_SETFD, FD_CLOEXEC);
+ if (flg & SOCK_NONBLOCK)
+ __syscall(SYS_fcntl, ret, F_SETFL, O_NONBLOCK);
+ return ret;
+}
diff --git a/be/src/glibc-compatibility/musl/epoll.c
b/be/src/glibc-compatibility/musl/epoll.c
new file mode 100644
index 0000000..deff5b1
--- /dev/null
+++ b/be/src/glibc-compatibility/musl/epoll.c
@@ -0,0 +1,37 @@
+#include <sys/epoll.h>
+#include <signal.h>
+#include <errno.h>
+#include "syscall.h"
+
+int epoll_create(int size)
+{
+ return epoll_create1(0);
+}
+
+int epoll_create1(int flags)
+{
+ int r = __syscall(SYS_epoll_create1, flags);
+#ifdef SYS_epoll_create
+ if (r==-ENOSYS && !flags) r = __syscall(SYS_epoll_create, 1);
+#endif
+ return __syscall_ret(r);
+}
+
+int epoll_ctl(int fd, int op, int fd2, struct epoll_event *ev)
+{
+ return syscall(SYS_epoll_ctl, fd, op, fd2, ev);
+}
+
+int epoll_pwait(int fd, struct epoll_event *ev, int cnt, int to, const
sigset_t *sigs)
+{
+ int r = __syscall(SYS_epoll_pwait, fd, ev, cnt, to, sigs, _NSIG/8);
+#ifdef SYS_epoll_wait
+ if (r==-ENOSYS && !sigs) r = __syscall(SYS_epoll_wait, fd, ev, cnt, to);
+#endif
+ return __syscall_ret(r);
+}
+
+int epoll_wait(int fd, struct epoll_event *ev, int cnt, int to)
+{
+ return epoll_pwait(fd, ev, cnt, to, 0);
+}
diff --git a/be/src/glibc-compatibility/musl/getauxval.c
b/be/src/glibc-compatibility/musl/getauxval.c
new file mode 100644
index 0000000..a429273
--- /dev/null
+++ b/be/src/glibc-compatibility/musl/getauxval.c
@@ -0,0 +1,45 @@
+#include <sys/auxv.h>
+#include <unistd.h> // __environ
+#include <errno.h>
+
+// We don't have libc struct available here. Compute aux vector manually.
+static unsigned long * __auxv = NULL;
+static unsigned long __auxv_secure = 0;
+
+static size_t __find_auxv(unsigned long type)
+{
+ size_t i;
+ for (i = 0; __auxv[i]; i += 2)
+ {
+ if (__auxv[i] == type)
+ return i + 1;
+ }
+ return (size_t) -1;
+}
+
+__attribute__((constructor)) static void __auxv_init()
+{
+ size_t i;
+ for (i = 0; __environ[i]; i++);
+ __auxv = (unsigned long *) (__environ + i + 1);
+
+ size_t secure_idx = __find_auxv(AT_SECURE);
+ if (secure_idx != ((size_t) -1))
+ __auxv_secure = __auxv[secure_idx];
+}
+
+unsigned long getauxval(unsigned long type)
+{
+ if (type == AT_SECURE)
+ return __auxv_secure;
+
+ if (__auxv)
+ {
+ size_t index = __find_auxv(type);
+ if (index != ((size_t) -1))
+ return __auxv[index];
+ }
+
+ errno = ENOENT;
+ return 0;
+}
diff --git a/be/src/glibc-compatibility/musl/lgammal.c
b/be/src/glibc-compatibility/musl/lgammal.c
new file mode 100644
index 0000000..b158748
--- /dev/null
+++ b/be/src/glibc-compatibility/musl/lgammal.c
@@ -0,0 +1,330 @@
+/* origin: OpenBSD /usr/src/lib/libm/src/ld80/e_lgammal.c */
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+/*
+ * Copyright (c) 2008 Stephen L. Moshier <st...@moshier.net>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * 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.
+ */
+/* lgammal(x)
+ * Reentrant version of the logarithm of the Gamma function
+ * with user provide pointer for the sign of Gamma(x).
+ *
+ * Method:
+ * 1. Argument Reduction for 0 < x <= 8
+ * Since gamma(1+s)=s*gamma(s), for x in [0,8], we may
+ * reduce x to a number in [1.5,2.5] by
+ * lgamma(1+s) = log(s) + lgamma(s)
+ * for example,
+ * lgamma(7.3) = log(6.3) + lgamma(6.3)
+ * = log(6.3*5.3) + lgamma(5.3)
+ * = log(6.3*5.3*4.3*3.3*2.3) + lgamma(2.3)
+ * 2. Polynomial approximation of lgamma around its
+ * minimum ymin=1.461632144968362245 to maintain monotonicity.
+ * On [ymin-0.23, ymin+0.27] (i.e., [1.23164,1.73163]), use
+ * Let z = x-ymin;
+ * lgamma(x) = -1.214862905358496078218 + z^2*poly(z)
+ * 2. Rational approximation in the primary interval [2,3]
+ * We use the following approximation:
+ * s = x-2.0;
+ * lgamma(x) = 0.5*s + s*P(s)/Q(s)
+ * Our algorithms are based on the following observation
+ *
+ * zeta(2)-1 2 zeta(3)-1 3
+ * lgamma(2+s) = s*(1-Euler) + --------- * s - --------- * s + ...
+ * 2 3
+ *
+ * where Euler = 0.5771... is the Euler constant, which is very
+ * close to 0.5.
+ *
+ * 3. For x>=8, we have
+ * lgamma(x)~(x-0.5)log(x)-x+0.5*log(2pi)+1/(12x)-1/(360x**3)+....
+ * (better formula:
+ * lgamma(x)~(x-0.5)*(log(x)-1)-.5*(log(2pi)-1) + ...)
+ * Let z = 1/x, then we approximation
+ * f(z) = lgamma(x) - (x-0.5)(log(x)-1)
+ * by
+ * 3 5 11
+ * w = w0 + w1*z + w2*z + w3*z + ... + w6*z
+ *
+ * 4. For negative x, since (G is gamma function)
+ * -x*G(-x)*G(x) = pi/sin(pi*x),
+ * we have
+ * G(x) = pi/(sin(pi*x)*(-x)*G(-x))
+ * since G(-x) is positive, sign(G(x)) = sign(sin(pi*x)) for x<0
+ * Hence, for x<0, signgam = sign(sin(pi*x)) and
+ * lgamma(x) = log(|Gamma(x)|)
+ * = log(pi/(|x*sin(pi*x)|)) - lgamma(-x);
+ * Note: one should avoid compute pi*(-x) directly in the
+ * computation of sin(pi*(-x)).
+ *
+ * 5. Special Cases
+ * lgamma(2+s) ~ s*(1-Euler) for tiny s
+ * lgamma(1)=lgamma(2)=0
+ * lgamma(x) ~ -log(x) for tiny x
+ * lgamma(0) = lgamma(inf) = inf
+ * lgamma(-integer) = +-inf
+ *
+ */
+
+#include <stdint.h>
+#include <math.h>
+#include "libm.h"
+
+
+#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
+double lgamma_r(double x, int *sg);
+
+long double lgammal_r(long double x, int *sg)
+{
+ return lgamma_r(x, sg);
+}
+#elif LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384
+
+static const long double pi = 3.14159265358979323846264L,
+
+/* lgam(1+x) = 0.5 x + x a(x)/b(x)
+ -0.268402099609375 <= x <= 0
+ peak relative error 6.6e-22 */
+a0 = -6.343246574721079391729402781192128239938E2L,
+a1 = 1.856560238672465796768677717168371401378E3L,
+a2 = 2.404733102163746263689288466865843408429E3L,
+a3 = 8.804188795790383497379532868917517596322E2L,
+a4 = 1.135361354097447729740103745999661157426E2L,
+a5 = 3.766956539107615557608581581190400021285E0L,
+
+b0 = 8.214973713960928795704317259806842490498E3L,
+b1 = 1.026343508841367384879065363925870888012E4L,
+b2 = 4.553337477045763320522762343132210919277E3L,
+b3 = 8.506975785032585797446253359230031874803E2L,
+b4 = 6.042447899703295436820744186992189445813E1L,
+/* b5 = 1.000000000000000000000000000000000000000E0 */
+
+
+tc = 1.4616321449683623412626595423257213284682E0L,
+tf = -1.2148629053584961146050602565082954242826E-1, /* double precision */
+/* tt = (tail of tf), i.e. tf + tt has extended precision. */
+tt = 3.3649914684731379602768989080467587736363E-18L,
+/* lgam ( 1.4616321449683623412626595423257213284682E0 ) =
+-1.2148629053584960809551455717769158215135617312999903886372437313313530E-1 */
+
+/* lgam (x + tc) = tf + tt + x g(x)/h(x)
+ -0.230003726999612341262659542325721328468 <= x
+ <= 0.2699962730003876587373404576742786715318
+ peak relative error 2.1e-21 */
+g0 = 3.645529916721223331888305293534095553827E-18L,
+g1 = 5.126654642791082497002594216163574795690E3L,
+g2 = 8.828603575854624811911631336122070070327E3L,
+g3 = 5.464186426932117031234820886525701595203E3L,
+g4 = 1.455427403530884193180776558102868592293E3L,
+g5 = 1.541735456969245924860307497029155838446E2L,
+g6 = 4.335498275274822298341872707453445815118E0L,
+
+h0 = 1.059584930106085509696730443974495979641E4L,
+h1 = 2.147921653490043010629481226937850618860E4L,
+h2 = 1.643014770044524804175197151958100656728E4L,
+h3 = 5.869021995186925517228323497501767586078E3L,
+h4 = 9.764244777714344488787381271643502742293E2L,
+h5 = 6.442485441570592541741092969581997002349E1L,
+/* h6 = 1.000000000000000000000000000000000000000E0 */
+
+
+/* lgam (x+1) = -0.5 x + x u(x)/v(x)
+ -0.100006103515625 <= x <= 0.231639862060546875
+ peak relative error 1.3e-21 */
+u0 = -8.886217500092090678492242071879342025627E1L,
+u1 = 6.840109978129177639438792958320783599310E2L,
+u2 = 2.042626104514127267855588786511809932433E3L,
+u3 = 1.911723903442667422201651063009856064275E3L,
+u4 = 7.447065275665887457628865263491667767695E2L,
+u5 = 1.132256494121790736268471016493103952637E2L,
+u6 = 4.484398885516614191003094714505960972894E0L,
+
+v0 = 1.150830924194461522996462401210374632929E3L,
+v1 = 3.399692260848747447377972081399737098610E3L,
+v2 = 3.786631705644460255229513563657226008015E3L,
+v3 = 1.966450123004478374557778781564114347876E3L,
+v4 = 4.741359068914069299837355438370682773122E2L,
+v5 = 4.508989649747184050907206782117647852364E1L,
+/* v6 = 1.000000000000000000000000000000000000000E0 */
+
+
+/* lgam (x+2) = .5 x + x s(x)/r(x)
+ 0 <= x <= 1
+ peak relative error 7.2e-22 */
+s0 = 1.454726263410661942989109455292824853344E6L,
+s1 = -3.901428390086348447890408306153378922752E6L,
+s2 = -6.573568698209374121847873064292963089438E6L,
+s3 = -3.319055881485044417245964508099095984643E6L,
+s4 = -7.094891568758439227560184618114707107977E5L,
+s5 = -6.263426646464505837422314539808112478303E4L,
+s6 = -1.684926520999477529949915657519454051529E3L,
+
+r0 = -1.883978160734303518163008696712983134698E7L,
+r1 = -2.815206082812062064902202753264922306830E7L,
+r2 = -1.600245495251915899081846093343626358398E7L,
+r3 = -4.310526301881305003489257052083370058799E6L,
+r4 = -5.563807682263923279438235987186184968542E5L,
+r5 = -3.027734654434169996032905158145259713083E4L,
+r6 = -4.501995652861105629217250715790764371267E2L,
+/* r6 = 1.000000000000000000000000000000000000000E0 */
+
+
+/* lgam(x) = ( x - 0.5 ) * log(x) - x + LS2PI + 1/x w(1/x^2)
+ x >= 8
+ Peak relative error 1.51e-21
+w0 = LS2PI - 0.5 */
+w0 = 4.189385332046727417803e-1L,
+w1 = 8.333333333333331447505E-2L,
+w2 = -2.777777777750349603440E-3L,
+w3 = 7.936507795855070755671E-4L,
+w4 = -5.952345851765688514613E-4L,
+w5 = 8.412723297322498080632E-4L,
+w6 = -1.880801938119376907179E-3L,
+w7 = 4.885026142432270781165E-3L;
+
+
+long double lgammal_r(long double x, int *sg) {
+ long double t, y, z, nadj, p, p1, p2, q, r, w;
+ union ldshape u = {x};
+ uint32_t ix = (u.i.se & 0x7fffU)<<16 | u.i.m>>48;
+ int sign = u.i.se >> 15;
+ int i;
+
+ *sg = 1;
+
+ /* purge off +-inf, NaN, +-0, tiny and negative arguments */
+ if (ix >= 0x7fff0000)
+ return x * x;
+ if (ix < 0x3fc08000) { /* |x|<2**-63, return -log(|x|) */
+ if (sign) {
+ *sg = -1;
+ x = -x;
+ }
+ return -logl(x);
+ }
+ if (sign) {
+ x = -x;
+ t = sin(pi * x);
+ if (t == 0.0)
+ return 1.0 / (x-x); /* -integer */
+ if (t > 0.0)
+ *sg = -1;
+ else
+ t = -t;
+ nadj = logl(pi / (t * x));
+ }
+
+ /* purge off 1 and 2 (so the sign is ok with downward rounding) */
+ if ((ix == 0x3fff8000 || ix == 0x40008000) && u.i.m == 0) {
+ r = 0;
+ } else if (ix < 0x40008000) { /* x < 2.0 */
+ if (ix <= 0x3ffee666) { /* 8.99993896484375e-1 */
+ /* lgamma(x) = lgamma(x+1) - log(x) */
+ r = -logl(x);
+ if (ix >= 0x3ffebb4a) { /* 7.31597900390625e-1 */
+ y = x - 1.0;
+ i = 0;
+ } else if (ix >= 0x3ffced33) { /*
2.31639862060546875e-1 */
+ y = x - (tc - 1.0);
+ i = 1;
+ } else { /* x < 0.23 */
+ y = x;
+ i = 2;
+ }
+ } else {
+ r = 0.0;
+ if (ix >= 0x3fffdda6) { /* 1.73162841796875 */
+ /* [1.7316,2] */
+ y = x - 2.0;
+ i = 0;
+ } else if (ix >= 0x3fff9da6) { /* 1.23162841796875 */
+ /* [1.23,1.73] */
+ y = x - tc;
+ i = 1;
+ } else {
+ /* [0.9, 1.23] */
+ y = x - 1.0;
+ i = 2;
+ }
+ }
+ switch (i) {
+ case 0:
+ p1 = a0 + y * (a1 + y * (a2 + y * (a3 + y * (a4 + y *
a5))));
+ p2 = b0 + y * (b1 + y * (b2 + y * (b3 + y * (b4 + y))));
+ r += 0.5 * y + y * p1/p2;
+ break;
+ case 1:
+ p1 = g0 + y * (g1 + y * (g2 + y * (g3 + y * (g4 + y *
(g5 + y * g6)))));
+ p2 = h0 + y * (h1 + y * (h2 + y * (h3 + y * (h4 + y *
(h5 + y)))));
+ p = tt + y * p1/p2;
+ r += (tf + p);
+ break;
+ case 2:
+ p1 = y * (u0 + y * (u1 + y * (u2 + y * (u3 + y * (u4 +
y * (u5 + y * u6))))));
+ p2 = v0 + y * (v1 + y * (v2 + y * (v3 + y * (v4 + y *
(v5 + y)))));
+ r += (-0.5 * y + p1 / p2);
+ }
+ } else if (ix < 0x40028000) { /* 8.0 */
+ /* x < 8.0 */
+ i = (int)x;
+ y = x - (double)i;
+ p = y * (s0 + y * (s1 + y * (s2 + y * (s3 + y * (s4 + y * (s5 +
y * s6))))));
+ q = r0 + y * (r1 + y * (r2 + y * (r3 + y * (r4 + y * (r5 + y *
(r6 + y))))));
+ r = 0.5 * y + p / q;
+ z = 1.0;
+ /* lgamma(1+s) = log(s) + lgamma(s) */
+ switch (i) {
+ case 7:
+ z *= (y + 6.0); /* FALLTHRU */
+ case 6:
+ z *= (y + 5.0); /* FALLTHRU */
+ case 5:
+ z *= (y + 4.0); /* FALLTHRU */
+ case 4:
+ z *= (y + 3.0); /* FALLTHRU */
+ case 3:
+ z *= (y + 2.0); /* FALLTHRU */
+ r += logl(z);
+ break;
+ }
+ } else if (ix < 0x40418000) { /* 2^66 */
+ /* 8.0 <= x < 2**66 */
+ t = logl(x);
+ z = 1.0 / x;
+ y = z * z;
+ w = w0 + z * (w1 + y * (w2 + y * (w3 + y * (w4 + y * (w5 + y *
(w6 + y * w7))))));
+ r = (x - 0.5) * (t - 1.0) + w;
+ } else /* 2**66 <= x <= inf */
+ r = x * (logl(x) - 1.0);
+ if (sign)
+ r = nadj - r;
+ return r;
+}
+#elif LDBL_MANT_DIG == 113 && LDBL_MAX_EXP == 16384
+// TODO: broken implementation to make things compile
+double lgamma_r(double x, int *sg);
+
+long double lgammal_r(long double x, int *sg)
+{
+ return lgamma_r(x, sg);
+}
+#endif
diff --git a/be/src/glibc-compatibility/musl/mkstemps.c
b/be/src/glibc-compatibility/musl/mkstemps.c
new file mode 100644
index 0000000..2a0cbb7
--- /dev/null
+++ b/be/src/glibc-compatibility/musl/mkstemps.c
@@ -0,0 +1,44 @@
+#include <errno.h>
+#include <fcntl.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+
+/* This assumes that a check for the
+ template size has already been made */
+static char * __randname(char * template)
+{
+ int i;
+ struct timespec ts;
+ unsigned long r;
+
+ clock_gettime(CLOCK_REALTIME, &ts);
+ r = (ts.tv_nsec * 65537) ^ ((((intptr_t)(&ts)) / 16) +
((intptr_t)template));
+ for (i = 0; i < 6; i++, r >>= 5)
+ template[i] = 'A' + (r & 15) + (r & 16) * 2;
+
+ return template;
+}
+
+int mkstemps(char * template, int len)
+{
+ size_t l = strlen(template);
+ if (l < 6 || len > l - 6 || memcmp(template + l - len - 6, "XXXXXX", 6))
+ {
+ errno = EINVAL;
+ return -1;
+ }
+
+ int fd, retries = 100;
+ do
+ {
+ __randname(template + l - len - 6);
+ if ((fd = open(template, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0)
+ return fd;
+ } while (--retries && errno == EEXIST);
+
+ memcpy(template + l - len - 6, "XXXXXX", 6);
+ return -1;
+}
diff --git a/be/src/glibc-compatibility/musl/secure_env.c
b/be/src/glibc-compatibility/musl/secure_env.c
deleted file mode 100644
index ba93195..0000000
--- a/be/src/glibc-compatibility/musl/secure_env.c
+++ /dev/null
@@ -1,11 +0,0 @@
-#define _GNU_SOURCE
-#include <stdlib.h>
-
-char *getenv(const char *name);
-
-char *secure_getenv(const char *name)
-{
- // NOTE: Let's assume we're not running as SUID
- return getenv(name);
- /* return libc.secure ? NULL : getenv(name); */
-}
diff --git a/be/src/glibc-compatibility/musl/secure_getenv.c
b/be/src/glibc-compatibility/musl/secure_getenv.c
new file mode 100644
index 0000000..fbd9ef3
--- /dev/null
+++ b/be/src/glibc-compatibility/musl/secure_getenv.c
@@ -0,0 +1,8 @@
+#define _GNU_SOURCE
+#include <stdlib.h>
+#include <sys/auxv.h>
+
+char * secure_getenv(const char * name)
+{
+ return getauxval(AT_SECURE) ? NULL : getenv(name);
+}
diff --git a/be/src/glibc-compatibility/musl/strsignal.c
b/be/src/glibc-compatibility/musl/strsignal.c
new file mode 100644
index 0000000..fee894e
--- /dev/null
+++ b/be/src/glibc-compatibility/musl/strsignal.c
@@ -0,0 +1,125 @@
+#include <signal.h>
+#include <string.h>
+
+#if (SIGHUP == 1) && (SIGINT == 2) && (SIGQUIT == 3) && (SIGILL == 4) \
+ && (SIGTRAP == 5) && (SIGABRT == 6) && (SIGBUS == 7) && (SIGFPE == 8) \
+ && (SIGKILL == 9) && (SIGUSR1 == 10) && (SIGSEGV == 11) && (SIGUSR2 == 12) \
+ && (SIGPIPE == 13) && (SIGALRM == 14) && (SIGTERM == 15) && (SIGSTKFLT == 16)
\
+ && (SIGCHLD == 17) && (SIGCONT == 18) && (SIGSTOP == 19) && (SIGTSTP == 20) \
+ && (SIGTTIN == 21) && (SIGTTOU == 22) && (SIGURG == 23) && (SIGXCPU == 24) \
+ && (SIGXFSZ == 25) && (SIGVTALRM == 26) && (SIGPROF == 27) && (SIGWINCH ==
28) \
+ && (SIGPOLL == 29) && (SIGPWR == 30) && (SIGSYS == 31)
+
+#define sigmap(x) x
+
+#else
+
+static const char map[] = {
+ [SIGHUP] = 1,
+ [SIGINT] = 2,
+ [SIGQUIT] = 3,
+ [SIGILL] = 4,
+ [SIGTRAP] = 5,
+ [SIGABRT] = 6,
+ [SIGBUS] = 7,
+ [SIGFPE] = 8,
+ [SIGKILL] = 9,
+ [SIGUSR1] = 10,
+ [SIGSEGV] = 11,
+ [SIGUSR2] = 12,
+ [SIGPIPE] = 13,
+ [SIGALRM] = 14,
+ [SIGTERM] = 15,
+#if defined(SIGSTKFLT)
+ [SIGSTKFLT] = 16,
+#elif defined(SIGEMT)
+ [SIGEMT] = 16,
+#endif
+ [SIGCHLD] = 17,
+ [SIGCONT] = 18,
+ [SIGSTOP] = 19,
+ [SIGTSTP] = 20,
+ [SIGTTIN] = 21,
+ [SIGTTOU] = 22,
+ [SIGURG] = 23,
+ [SIGXCPU] = 24,
+ [SIGXFSZ] = 25,
+ [SIGVTALRM] = 26,
+ [SIGPROF] = 27,
+ [SIGWINCH] = 28,
+ [SIGPOLL] = 29,
+ [SIGPWR] = 30,
+ [SIGSYS] = 31
+};
+
+#define sigmap(x) ((x) >= sizeof map ? (x) : map[(x)])
+
+#endif
+
+static const char strings[] =
+ "Unknown signal\0"
+ "Hangup\0"
+ "Interrupt\0"
+ "Quit\0"
+ "Illegal instruction\0"
+ "Trace/breakpoint trap\0"
+ "Aborted\0"
+ "Bus error\0"
+ "Arithmetic exception\0"
+ "Killed\0"
+ "User defined signal 1\0"
+ "Segmentation fault\0"
+ "User defined signal 2\0"
+ "Broken pipe\0"
+ "Alarm clock\0"
+ "Terminated\0"
+#if defined(SIGSTKFLT)
+ "Stack fault\0"
+#elif defined(SIGEMT)
+ "Emulator trap\0"
+#else
+ "Unknown signal\0"
+#endif
+ "Child process status\0"
+ "Continued\0"
+ "Stopped (signal)\0"
+ "Stopped\0"
+ "Stopped (tty input)\0"
+ "Stopped (tty output)\0"
+ "Urgent I/O condition\0"
+ "CPU time limit exceeded\0"
+ "File size limit exceeded\0"
+ "Virtual timer expired\0"
+ "Profiling timer expired\0"
+ "Window changed\0"
+ "I/O possible\0"
+ "Power failure\0"
+ "Bad system call\0"
+ "RT32"
+ "\0RT33\0RT34\0RT35\0RT36\0RT37\0RT38\0RT39\0RT40"
+ "\0RT41\0RT42\0RT43\0RT44\0RT45\0RT46\0RT47\0RT48"
+ "\0RT49\0RT50\0RT51\0RT52\0RT53\0RT54\0RT55\0RT56"
+ "\0RT57\0RT58\0RT59\0RT60\0RT61\0RT62\0RT63\0RT64"
+#if _NSIG > 65
+ "\0RT65\0RT66\0RT67\0RT68\0RT69\0RT70\0RT71\0RT72"
+ "\0RT73\0RT74\0RT75\0RT76\0RT77\0RT78\0RT79\0RT80"
+ "\0RT81\0RT82\0RT83\0RT84\0RT85\0RT86\0RT87\0RT88"
+ "\0RT89\0RT90\0RT91\0RT92\0RT93\0RT94\0RT95\0RT96"
+ "\0RT97\0RT98\0RT99\0RT100\0RT101\0RT102\0RT103\0RT104"
+ "\0RT105\0RT106\0RT107\0RT108\0RT109\0RT110\0RT111\0RT112"
+ "\0RT113\0RT114\0RT115\0RT116\0RT117\0RT118\0RT119\0RT120"
+ "\0RT121\0RT122\0RT123\0RT124\0RT125\0RT126\0RT127\0RT128"
+#endif
+ "";
+
+char *strsignal(int signum)
+{
+ const char *s = strings;
+
+ signum = sigmap(signum);
+ if (signum - 1U >= _NSIG-1) signum = 0;
+
+ for (; signum--; s++) for (; *s; s++);
+
+ return (char *)s;
+}
diff --git a/be/src/glibc-compatibility/musl/sync_file_range.c
b/be/src/glibc-compatibility/musl/sync_file_range.c
new file mode 100644
index 0000000..610b11c
--- /dev/null
+++ b/be/src/glibc-compatibility/musl/sync_file_range.c
@@ -0,0 +1,21 @@
+#define _GNU_SOURCE
+#include <fcntl.h>
+#include <errno.h>
+#include "syscall.h"
+
+// works same in x86_64 && aarch64
+#define __SYSCALL_LL_E(x) (x)
+#define __SYSCALL_LL_O(x) (x)
+
+int sync_file_range(int fd, off_t pos, off_t len, unsigned flags)
+{
+#if defined(SYS_sync_file_range2)
+ return syscall(SYS_sync_file_range2, fd, flags,
+ __SYSCALL_LL_E(pos), __SYSCALL_LL_E(len));
+#elif defined(SYS_sync_file_range)
+ return __syscall(SYS_sync_file_range, fd,
+ __SYSCALL_LL_O(pos), __SYSCALL_LL_E(len), flags);
+#else
+ return __syscall_ret(-ENOSYS);
+#endif
+}
\ No newline at end of file
diff --git a/be/src/glibc-compatibility/musl/timerfd.c
b/be/src/glibc-compatibility/musl/timerfd.c
new file mode 100644
index 0000000..0f9adb5
--- /dev/null
+++ b/be/src/glibc-compatibility/musl/timerfd.c
@@ -0,0 +1,17 @@
+#include <sys/timerfd.h>
+#include "syscall.h"
+
+int timerfd_create(int clockid, int flags)
+{
+ return syscall(SYS_timerfd_create, clockid, flags);
+}
+
+int timerfd_settime(int fd, int flags, const struct itimerspec *new, struct
itimerspec *old)
+{
+ return syscall(SYS_timerfd_settime, fd, flags, new, old);
+}
+
+int timerfd_gettime(int fd, struct itimerspec *cur)
+{
+ return syscall(SYS_timerfd_gettime, fd, cur);
+}
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