1 | //===-- Linux implementation of signal ------------------------------------===// |
---|---|
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | |
9 | #include "src/signal/raise.h" |
10 | |
11 | #include "hdr/types/sigset_t.h" |
12 | #include "src/__support/common.h" |
13 | #include "src/signal/linux/signal_utils.h" |
14 | |
15 | namespace LIBC_NAMESPACE { |
16 | |
17 | LLVM_LIBC_FUNCTION(int, raise, (int sig)) { |
18 | sigset_t sigset; |
19 | block_all_signals(set&: sigset); |
20 | long pid = LIBC_NAMESPACE::syscall_impl<long>(SYS_getpid); |
21 | long tid = LIBC_NAMESPACE::syscall_impl<long>(SYS_gettid); |
22 | int ret = LIBC_NAMESPACE::syscall_impl<int>(SYS_tgkill, ts: pid, ts: tid, ts: sig); |
23 | restore_signals(set: sigset); |
24 | return ret; |
25 | } |
26 | |
27 | } // namespace LIBC_NAMESPACE |
28 |