nexmon – Blame information for rev 1
?pathlinks?
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1 | office | 1 | # signalblocking.m4 serial 12 |
| 2 | dnl Copyright (C) 2001-2002, 2006-2011 Free Software Foundation, Inc. |
||
| 3 | dnl This file is free software; the Free Software Foundation |
||
| 4 | dnl gives unlimited permission to copy and/or distribute it, |
||
| 5 | dnl with or without modifications, as long as this notice is preserved. |
||
| 6 | |||
| 7 | # Determine available signal blocking primitives. Three different APIs exist: |
||
| 8 | # 1) POSIX: sigemptyset, sigaddset, sigprocmask |
||
| 9 | # 2) SYSV: sighold, sigrelse |
||
| 10 | # 3) BSD: sigblock, sigsetmask |
||
| 11 | # For simplicity, here we check only for the POSIX signal blocking. |
||
| 12 | AC_DEFUN([gl_SIGNALBLOCKING], |
||
| 13 | [ |
||
| 14 | AC_REQUIRE([gl_SIGNAL_H_DEFAULTS]) |
||
| 15 | AC_REQUIRE([gl_CHECK_TYPE_SIGSET_T]) |
||
| 16 | if test $gl_cv_type_sigset_t = yes; then |
||
| 17 | AC_CHECK_FUNC([sigprocmask], [gl_cv_func_sigprocmask=1]) |
||
| 18 | fi |
||
| 19 | if test -z "$gl_cv_func_sigprocmask"; then |
||
| 20 | HAVE_POSIX_SIGNALBLOCKING=0 |
||
| 21 | fi |
||
| 22 | ]) |
||
| 23 | |||
| 24 | # Prerequisites of lib/sigprocmask.c. |
||
| 25 | AC_DEFUN([gl_PREREQ_SIGPROCMASK], [:]) |