41 lines
977 B
C
41 lines
977 B
C
#ifndef _SYS_WAIT_H
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#define _SYS_WAIT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <sys/types.h>
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#define WNOHANG 1
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#define WUNTRACED 2
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/* A status looks like:
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<2 bytes info> <2 bytes code>
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<code> == 0, child has exited, info is the exit value
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<code> == 1..7e, child has exited, info is the signal number.
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<code> == 7f, child has stopped, info was the signal number.
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<code> == 80, there was a core dump.
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*/
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#define WIFEXITED(w) (((w) & 0xff) == 0)
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#define WIFSIGNALED(w) (((w) & 0x7f) > 0 && (((w) & 0x7f) < 0x7f))
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#define WIFSTOPPED(w) (((w) & 0xff) == 0x7f)
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#define WEXITSTATUS(w) (((w) >> 8) & 0xff)
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#define WTERMSIG(w) ((w) & 0x7f)
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#define WSTOPSIG WEXITSTATUS
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pid_t wait (int *);
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pid_t waitpid (pid_t, int *, int);
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/* Provide prototypes for most of the _<systemcall> names that are
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provided in newlib for some compilers. */
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pid_t _wait (int *);
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#ifdef __cplusplus
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};
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#endif
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#endif
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