--- otp-OTP-21.2.6.orig/erts/emulator/hipe/hipe_x86_signal.c +++ otp-OTP-21.2.6/erts/emulator/hipe/hipe_x86_signal.c @@ -159,16 +159,10 @@ #if !(defined(__GLIBC__) || defined(__DARWIN__) || defined(__NetBSD__) || defined(__FreeBSD__) || defined(__sun__)) /* - * Unknown libc -- assume musl. Note: musl deliberately does not provide a musl-specific - * feature test macro, so we cannot check for it. - * - * sigaction is a weak alias for __sigaction, which is a wrapper for __libc_sigaction. - * There are libc-internal calls to __libc_sigaction which install handlers, so we must - * override __libc_sigaction rather than __sigaction. + * Unknown libc -- assume musl. Also assume signal delivery on musl is safe. */ -#define NEXT_SIGACTION "__libc_sigaction" -#define LIBC_SIGACTION __libc_sigaction -#define OVERRIDE_SIGACTION +#undef NEXT_SIGACTION +#undef OVERRIDE_SIGACTION #ifndef _NSIG #define _NSIG NSIG #endif