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Diffstat (limited to 'results/classifier/deepseek-2-tmp/output/other/1895305')
| -rw-r--r-- | results/classifier/deepseek-2-tmp/output/other/1895305 | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/results/classifier/deepseek-2-tmp/output/other/1895305 b/results/classifier/deepseek-2-tmp/output/other/1895305 deleted file mode 100644 index 5e4b42dc..00000000 --- a/results/classifier/deepseek-2-tmp/output/other/1895305 +++ /dev/null @@ -1,49 +0,0 @@ - -pthread_cancel fails with "RT33" with musl libc - -From my testing it seems that QEMU built against musl libc crashes on pthread_cancel cancel calls - if the binary is also built with musl libc. - -Minimal sample: - -#include <pthread.h> -#include <stdio.h> -#include <unistd.h> -void* threadfunc(void* ignored) { - while (1) { - pause(); - } - return NULL; -} -int main() { - pthread_t thread; - pthread_create(&thread, NULL, &threadfunc, NULL); - sleep(1); - pthread_cancel(thread); - printf("OK, alive\n"); -} - -In an Alpine Linux aarch64 chroot (on an x86_64 host) the binary will just output RT33 and has exit code 161. - -Using qemu-aarch64 on an x86_64 host results in the output (fish shell) - fish: “qemu-aarch64-static ./musl-stat…” terminated by signal Unknown (Unknown) -or (bash) - Real-time signal 2 - -and exit code 164. - -It doesn't matter whether the binary is linked dynamically or static. You can see my test results in the following table: - -| | QEMU glibc | QEMU musl | -|----------------------|------------|-----------| -| binary glibc dynamic | ✓ | ✓ | -| binary glibc static | ✓ | ✓ | -| binary musl dynamic | ✓ | ✗ | -| binary musl static | ✓ | ✗ | - -Both QEMU builds are v5.1.0 (glibc v2.32 / musl v1.2.1) - -I've uploaded all my compile and test commands (plus a script to conveniently run them all) to https://github.com/z3ntu/qemu-pthread_cancel . It also includes the built binaries if needed. The test script output can be found at https://github.com/z3ntu/qemu-pthread_cancel/blob/master/results.txt - -Further links: -- https://gitlab.com/postmarketOS/pmaports/-/issues/190#note_141902075 -- https://gitlab.com/postmarketOS/pmbootstrap/-/issues/1970 \ No newline at end of file |