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| author | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2021-03-15 15:23:40 -0300 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2021-03-18 15:54:39 -0300 |
| commit | a894053318f1ca246d13bb9efa65bd702df6b63e (patch) | |
| tree | cb97178b942260e97d5651a4617d63b876123894 /signal | |
| parent | d5ddd583da7ee8928eebfa1d7eee69b557deec9c (diff) | |
| download | glibc-a894053318f1ca246d13bb9efa65bd702df6b63e.tar.gz glibc-a894053318f1ca246d13bb9efa65bd702df6b63e.tar.xz glibc-a894053318f1ca246d13bb9efa65bd702df6b63e.zip | |
signal: Add __libc_sigaction
The generic implementation basically handle the system agnostic logic (filtering out the invalid signals) while the __libc_sigaction is the function with implements the system and architecture bits. Checked on x86_64-linux-gnu and i686-linux-gnu.
Diffstat (limited to 'signal')
| -rw-r--r-- | signal/Makefile | 2 | ||||
| -rw-r--r-- | signal/libc_sigaction.c | 32 | ||||
| -rw-r--r-- | signal/sigaction.c | 7 |
3 files changed, 35 insertions, 6 deletions
diff --git a/signal/Makefile b/signal/Makefile index 3d8cab1f50..99889a53a4 100644 --- a/signal/Makefile +++ b/signal/Makefile @@ -35,7 +35,7 @@ headers := signal.h sys/signal.h \ bits/sigstksz.h routines := signal raise killpg \ - sigaction sigprocmask kill \ + sigaction libc_sigaction sigprocmask kill \ sigpending sigsuspend sigwait \ sigblock sigsetmask sigpause sigvec \ sigstack sigaltstack sigintr \ diff --git a/signal/libc_sigaction.c b/signal/libc_sigaction.c new file mode 100644 index 0000000000..c25913b9bd --- /dev/null +++ b/signal/libc_sigaction.c @@ -0,0 +1,32 @@ +/* Internal sigaction definitions. + Copyright (C) 2021 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 <errno.h> +#include <signal.h> + +/* If ACT is not NULL, change the action for SIG to *ACT. + If OACT is not NULL, put the old action for SIG in *OACT. */ +int +__libc_sigaction (int sig, const struct sigaction *act, + struct sigaction *oact) +{ + __set_errno (ENOSYS); + return -1; +} +stub_warning (libc_sigaction) +libc_hidden_def (__libc_sigaction) diff --git a/signal/sigaction.c b/signal/sigaction.c index 3bfc17945c..8d9f755ccc 100644 --- a/signal/sigaction.c +++ b/signal/sigaction.c @@ -17,7 +17,7 @@ #include <errno.h> #include <signal.h> - +#include <internal-signals.h> /* If ACT is not NULL, change the action for SIG to *ACT. If OACT is not NULL, put the old action for SIG in *OACT. */ @@ -30,10 +30,7 @@ __sigaction (int sig, const struct sigaction *act, struct sigaction *oact) return -1; } - __set_errno (ENOSYS); - return -1; + return __libc_sigaction (sig, act, oact); } libc_hidden_def (__sigaction) -stub_warning (sigaction) - weak_alias (__sigaction, sigaction) |