32 lines
673 B
C
32 lines
673 B
C
#ifndef _LIBC_SYS_WAIT_H
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#define _LIBC_SYS_WAIT_H
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#pragma once
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#include <sys/types.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* POSIX status decoding. waitpid() encodes a normal exit as code<<8
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and a killed/crashed child as the signal number in the low bits. */
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#define WIFEXITED(s) (((s) & 0x7F) == 0)
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#define WEXITSTATUS(s) (((s) >> 8) & 0xFF)
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#define WIFSIGNALED(s) (((s) & 0x7F) != 0)
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#define WTERMSIG(s) ((s) & 0x7F)
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#define WIFSTOPPED(s) (0)
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#define WSTOPSIG(s) (0)
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#define WNOHANG 1
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#define WUNTRACED 2
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pid_t wait(int *status);
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pid_t waitpid(pid_t pid, int *status, int options);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _LIBC_SYS_WAIT_H */
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