diff options
Diffstat (limited to 'nptl/pthread_attr_getsigmask.c')
| -rw-r--r-- | nptl/pthread_attr_getsigmask.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/nptl/pthread_attr_getsigmask.c b/nptl/pthread_attr_getsigmask.c new file mode 100644 index 0000000000..99b9812ef8 --- /dev/null +++ b/nptl/pthread_attr_getsigmask.c @@ -0,0 +1,38 @@ +/* Obtain the configured signal mask from a POSIX thread attribute. + Copyright (C) 2020 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <pthreadP.h> + +int +__pthread_attr_getsigmask_np (const pthread_attr_t *attr, sigset_t *sigmask) +{ + struct pthread_attr *iattr = (struct pthread_attr *) attr; + + if (iattr->extension == NULL || !iattr->extension->sigmask_set) + { + __sigemptyset (sigmask); + return PTHREAD_ATTR_NO_SIGMASK_NP; + } + else + { + *sigmask = iattr->extension->sigmask; + return 0; + } +} +libc_hidden_def (__pthread_attr_getsigmask_np) +weak_alias (__pthread_attr_getsigmask_np, pthread_attr_getsigmask_np) |