This repository has no description
musl and basic-init: support threads (#25)
author
Thomas Stokes
committer
GitHub
date
(Apr 14, 2025, 11:12 PM +0800)
commit
47605d04
47605d046523c3f040e5b4868649324db4ddf9e0
parent
eb50196a
eb50196a829ce3bf9ed05144f3a0766fe56b4306
+29
-6
+23
packages/basic-init/init.c
+23
packages/basic-init/init.c
···
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#define _GNU_SOURCE
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#include <stdlib.h>
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#include <sched.h>
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#include <stdio.h>
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#include <sys/utsname.h>
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#include <unistd.h>
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static int foo = 0;
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int other(void *arg) {
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printf("hello from other thread: %d\n", foo);
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return 0;
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}
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int main(int argc, char *argv[], char *envp[]) {
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printf("Hello, world!\n");
···
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printf("argv[%d] = %s\n", i, argv[i]);
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for (int i = 0; envp[i]; i++)
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printf("envp[%d] = %s\n", i, envp[i]);
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foo = 1;
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void* stack = malloc(4096);
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if (!stack) {
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perror("malloc");
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return 1;
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}
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if (clone(other, stack + 4096, CLONE_VM | CLONE_VFORK, NULL) == -1) {
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perror("clone");
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return 1;
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}
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free(stack);
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printf("idling forever\n");
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for (;;)
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-2
packages/basic-init/package.nix
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-2
packages/basic-init/package.nix
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];
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}
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''
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clang -c -o init.o init.c --target=wasm32 -nostdinc -isystem ${musl}/include ${lib.optionalString config.debug "-g"}
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wasm-ld -o init init.o ${compiler-rt}/libclang_rt.builtins-wasm32.a ${musl}/lib/crt1.o -L${musl}/lib -lc --fatal-warnings --initial-memory=655360
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clang -c -o init.o init.c --target=wasm32 -nostdinc -isystem ${musl}/include ${lib.optionalString config.debug "-g"} -matomics -mbulk-memory
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wasm-ld -o init init.o ${compiler-rt}/libclang_rt.builtins-wasm32.a ${musl}/lib/crt1.o -L${musl}/lib -lc --fatal-warnings --import-memory --max-memory=4294967296 --shared-memory --export-table
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mkdir -p $out/bin
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cp init $out/bin
+1
-1
packages/busybox/package.nix
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-1
packages/busybox/package.nix
+1
-1
packages/linux/package.nix
+1
-1
packages/linux/package.nix
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-2
packages/musl/package.nix
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-2
packages/musl/package.nix
···
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owner = "tombl";
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repo = "musl";
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rev = "refs/heads/master";
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hash = "sha256-6v4HfJpWdHUA4hlauMRNFex03SkdfXUt7SkfGuQfMgE=";
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hash = "sha256-HPEneCJPOb5zSiVzV11g82lWEWKBZxTxIlO0gomNyvk=";
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};
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path = [
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clang
···
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ARCH=wasm32
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prefix=$out
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syslibdir=$out
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CFLAGS=--target=wasm32 ${lib.optionalString config.debug "-g"}
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CFLAGS=--target=wasm32 ${lib.optionalString config.debug "-g"} -matomics -mbulk-memory
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EOF
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mkdir $out