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10.1031 sigrelse

POSIX specification:
https://pubs.opengroup.org/onlinepubs/9699919799/functions/sigrelse.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

• This function is missing on some platforms: FreeBSD 6.0, OpenBSD 6.7, Minix 3.1.8, mingw, MSVC 14, Android 7.1.
• POSIX says this function is obsolescent and it is planned to be removed in POSIX 202x. Use the function sigprocmask instead.