44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
//===-- Definition of macros from sys/wait.h ------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef __LLVM_LIBC_MACROS_LINUX_SYS_WAIT_MACROS_H
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#define __LLVM_LIBC_MACROS_LINUX_SYS_WAIT_MACROS_H
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// Wait flags
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#define WNOHANG 1 // Do not block
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#define WUNTRACED 2 // Report is a child has stopped even if untraced
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#define WEXITED 4 // Report dead child
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#define WCONTINUED 8 // Report if a stopped child has been resumed by SIGCONT
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#define WSTOPPED WUNTRACED
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// Wait status info macros
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#define __WEXITSTATUS(status) (((status)&0xff00) >> 8)
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#define __WTERMSIG(status) ((status)&0x7f)
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#define __WIFEXITED(status) (__WTERMSIG(status) == 0)
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// Macros for constructing status values.
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#define __W_EXITCODE(ret, sig) ((ret) << 8 | (sig))
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#define __W_STOPCODE(sig) ((sig) << 8 | 0x7f)
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#define __W_CONTINUED 0xffff
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#define __WCOREFLAG 0x80
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#define WEXITSTATUS(status) __WEXITSTATUS(status)
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#define WTERMSIG(status) __WTERMSIG(status)
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#define WIFEXITED(status) __WIFEXITED(status)
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#define WCOREFLAG __WCOREFLAG
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#define W_EXITCODE(ret, sig) __W_EXITCODE(ret, sig)
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#define W_STOPCODE(sig) __W_STOPCODE(sig)
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// First argument to waitid:
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#define P_ALL 0
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#define P_PID 1
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#define P_PGID 2
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#define P_PIDFD 3
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#endif // __LLVM_LIBC_MACROS_LINUX_SYS_WAIT_MACROS_H
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