...ished in the parent is disabled in the child process. sigaltstack () supersedes the older sigstack () call. For backward compatibility, glibc also provides sigstack (). All new …...ished in the parent is disabled in the child process. sigaltstack () supersedes the older sigstack () call. For backward compatibility, glibc also provides sigstack (). All new …...gnal on the alternate signal stack (historically established under BSD using the obsolete sigstack () function; the POSIX replacement is sigaltstack (2)). The sigmask () macro c…...gnal on the alternate signal stack (historically established under BSD using the obsolete sigstack () function; the POSIX replacement is sigaltstack (2)). The sigmask () macro c…...gnal on the alternate signal stack (historically established under BSD using the obsolete sigstack () function; the POSIX replacement is sigaltstack (2)). The sigmask () macro c…...gnal on the alternate signal stack (historically established under BSD using the obsolete sigstack () function; the POSIX replacement is sigaltstack (2)). The sigmask () macro c…...gnal on the alternate signal stack (historically established under BSD using the obsolete sigstack () function; the POSIX replacement is sigaltstack (2)). The sigmask () macro c…