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Make more threading improvements
- ASAN memory morgue is now lockless - Make C11 atomics header more portable - Rewrote pthread keys support to be lockless - Simplify Python's unicode table unpacking code - Make crash report write(2) closer to being atomic - Make it possible to strace/ftrace a single thread - ASAN now checks nul-terminated strings fast and properly - Windows fork() now restores TLS memory of calling thread
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189 changed files with 1363 additions and 1217 deletions
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@ -17,8 +17,8 @@
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/calls.h"
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#include "libc/intrin/directmap.internal.h"
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#include "libc/macros.internal.h"
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#include "libc/runtime/directmap.internal.h"
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#include "libc/runtime/pc.internal.h"
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#include "libc/str/str.h"
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#include "libc/sysv/consts/map.h"
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@ -39,8 +39,7 @@ noasan struct DirectMap sys_mmap_metal(void *paddr, size_t size, int prot,
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size = ROUNDUP(size, 4096);
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addr = (uint64_t)paddr;
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if (!(flags & MAP_FIXED)) {
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if (!addr)
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addr = 4096;
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if (!addr) addr = 4096;
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for (i = 0; i < size; i += 4096) {
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pte = __get_virtual(mm, pml4t, addr + i, false);
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if (pte && (*pte & (PAGE_V | PAGE_RSRV))) {
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