xref: /aosp_15_r20/external/llvm-libc/include/llvm-libc-macros/linux/sys-wait-macros.h (revision 71db0c75aadcf003ffe3238005f61d7618a3fead)
1*71db0c75SAndroid Build Coastguard Worker //===-- Definition of macros from sys/wait.h ------------------------------===//
2*71db0c75SAndroid Build Coastguard Worker //
3*71db0c75SAndroid Build Coastguard Worker // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*71db0c75SAndroid Build Coastguard Worker // See https://llvm.org/LICENSE.txt for license information.
5*71db0c75SAndroid Build Coastguard Worker // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*71db0c75SAndroid Build Coastguard Worker //
7*71db0c75SAndroid Build Coastguard Worker //===----------------------------------------------------------------------===//
8*71db0c75SAndroid Build Coastguard Worker 
9*71db0c75SAndroid Build Coastguard Worker #ifndef LLVM_LIBC_MACROS_LINUX_SYS_WAIT_MACROS_H
10*71db0c75SAndroid Build Coastguard Worker #define LLVM_LIBC_MACROS_LINUX_SYS_WAIT_MACROS_H
11*71db0c75SAndroid Build Coastguard Worker 
12*71db0c75SAndroid Build Coastguard Worker // Wait flags
13*71db0c75SAndroid Build Coastguard Worker #define WNOHANG 1    // Do not block
14*71db0c75SAndroid Build Coastguard Worker #define WUNTRACED 2  // Report is a child has stopped even if untraced
15*71db0c75SAndroid Build Coastguard Worker #define WEXITED 4    // Report dead child
16*71db0c75SAndroid Build Coastguard Worker #define WCONTINUED 8 // Report if a stopped child has been resumed by SIGCONT
17*71db0c75SAndroid Build Coastguard Worker #define WSTOPPED WUNTRACED
18*71db0c75SAndroid Build Coastguard Worker 
19*71db0c75SAndroid Build Coastguard Worker // Wait status info macros
20*71db0c75SAndroid Build Coastguard Worker #define __WEXITSTATUS(status) (((status)&0xff00) >> 8)
21*71db0c75SAndroid Build Coastguard Worker #define __WTERMSIG(status) ((status)&0x7f)
22*71db0c75SAndroid Build Coastguard Worker #define __WIFEXITED(status) (__WTERMSIG(status) == 0)
23*71db0c75SAndroid Build Coastguard Worker 
24*71db0c75SAndroid Build Coastguard Worker // Macros for constructing status values.
25*71db0c75SAndroid Build Coastguard Worker #define __W_EXITCODE(ret, sig) ((ret) << 8 | (sig))
26*71db0c75SAndroid Build Coastguard Worker #define __W_STOPCODE(sig) ((sig) << 8 | 0x7f)
27*71db0c75SAndroid Build Coastguard Worker #define __W_CONTINUED 0xffff
28*71db0c75SAndroid Build Coastguard Worker #define __WCOREFLAG 0x80
29*71db0c75SAndroid Build Coastguard Worker 
30*71db0c75SAndroid Build Coastguard Worker #define WEXITSTATUS(status) __WEXITSTATUS(status)
31*71db0c75SAndroid Build Coastguard Worker #define WTERMSIG(status) __WTERMSIG(status)
32*71db0c75SAndroid Build Coastguard Worker #define WIFEXITED(status) __WIFEXITED(status)
33*71db0c75SAndroid Build Coastguard Worker 
34*71db0c75SAndroid Build Coastguard Worker #define WCOREFLAG __WCOREFLAG
35*71db0c75SAndroid Build Coastguard Worker #define W_EXITCODE(ret, sig) __W_EXITCODE(ret, sig)
36*71db0c75SAndroid Build Coastguard Worker #define W_STOPCODE(sig) __W_STOPCODE(sig)
37*71db0c75SAndroid Build Coastguard Worker 
38*71db0c75SAndroid Build Coastguard Worker // First argument to waitid:
39*71db0c75SAndroid Build Coastguard Worker #define P_ALL 0
40*71db0c75SAndroid Build Coastguard Worker #define P_PID 1
41*71db0c75SAndroid Build Coastguard Worker #define P_PGID 2
42*71db0c75SAndroid Build Coastguard Worker #define P_PIDFD 3
43*71db0c75SAndroid Build Coastguard Worker 
44*71db0c75SAndroid Build Coastguard Worker #endif // LLVM_LIBC_MACROS_LINUX_SYS_WAIT_MACROS_H
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