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Make improvements
- Document redbean's argon2 module - Fix regressions in cthreads library - Make testlib work better with threads - Give the cthreads library lots of love - Remove some of the stdio assembly code - Implement getloadavg() across platforms - Code size optimizations for errnos, etc. - Only check for signals in main thread on Windows - Make errnos for dup2 / dup3 consistent with posix This change also fixes a bug in the argon2 module, where the NUL terminator was being included in the hash encoded ascii string. This shouldn't require any database migrations to folks who found this module and productionized it, since the argon2 library treats it as a c string.
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cb67223051
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234 changed files with 1728 additions and 1993 deletions
38
libc/nexgen32e/longerjmp.S
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38
libc/nexgen32e/longerjmp.S
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/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
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│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/macros.internal.h"
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.privileged
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// Loads previously saved processor state.
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//
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// @param rdi points to the jmp_buf
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// @param rsi is returned by setlongerjmp() invocation
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// @noreturn
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longerjmp:
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mov $1,%eax
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mov %rsi,%rdx
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mov (%rdi),%rsp
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mov 8(%rdi),%rbx
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mov 16(%rdi),%rbp
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mov 24(%rdi),%r12
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mov 32(%rdi),%r13
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mov 40(%rdi),%r14
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mov 48(%rdi),%r15
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jmp *56(%rdi)
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.endfn longerjmp,globl
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41
libc/nexgen32e/setlongerjmp.S
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libc/nexgen32e/setlongerjmp.S
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/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
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│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2022 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/macros.internal.h"
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// Saves caller CPU state to cacheline.
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//
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// @param rdi points to jmp_buf
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// @return eax contains 0 when set, and 1 if jumped
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// @return rdx contains value passed to longerjmp()
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// @returnstwice
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setlongerjmp:
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lea 8(%rsp),%rax
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mov %rax,(%rdi)
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mov %rbx,8(%rdi)
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mov %rbp,16(%rdi)
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mov %r12,24(%rdi)
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mov %r13,32(%rdi)
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mov %r14,40(%rdi)
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mov %r15,48(%rdi)
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mov (%rsp),%rax
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mov %rax,56(%rdi)
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xor %eax,%eax
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xor %edx,%edx
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ret
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.endfn setlongerjmp,globl
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@ -18,6 +18,11 @@
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/nexgen32e/threaded.h"
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bool __threaded;
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/**
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* Contains TID of main thread or 0 if threading isn't enabled.
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*/
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int __threaded;
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bool __tls_enabled;
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unsigned __tls_index;
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@ -4,7 +4,7 @@
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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extern bool __threaded;
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extern int __threaded;
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extern bool __tls_enabled;
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extern unsigned __tls_index;
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