2011-02-12 05:22:29 +00:00
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#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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2012-09-08 03:13:55 +00:00
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#include <features.h>
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2011-04-21 18:21:57 +00:00
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#include <signal.h>
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2011-02-12 05:22:29 +00:00
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#define __NEED_pid_t
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#define __NEED_id_t
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#include <bits/alltypes.h>
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refactor headers, especially alltypes.h, and improve C++ ABI compat
the arch-specific bits/alltypes.h.sh has been replaced with a generic
alltypes.h.in and minimal arch-specific bits/alltypes.h.in.
this commit is intended to have no functional changes except:
- exposing additional symbols that POSIX allows but does not require
- changing the C++ name mangling for some types
- fixing the signedness of blksize_t on powerpc (POSIX requires signed)
- fixing the limit macros for sig_atomic_t on x86_64
- making dev_t an unsigned type (ABI matching goal, and more logical)
in addition, some types that were wrongly defined with long on 32-bit
archs were changed to int, and vice versa; this change is
non-functional except for the possibility of making pointer types
mismatch, and only affects programs that were using them incorrectly,
and only at build-time, not runtime.
the following changes were made in the interest of moving
non-arch-specific types out of the alltypes system and into the
headers they're associated with, and also will tend to improve
application compatibility:
- netdb.h now includes netinet/in.h (for socklen_t and uint32_t)
- netinet/in.h now includes sys/socket.h and inttypes.h
- sys/resource.h now includes sys/time.h (for struct timeval)
- sys/wait.h now includes signal.h (for siginfo_t)
- langinfo.h now includes nl_types.h (for nl_item)
for the types in stdint.h:
- types which are of no interest to other headers were moved out of
the alltypes system.
- fast types for 8- and 64-bit are hard-coded (at least for now); only
the 16- and 32-bit ones have reason to vary by arch.
and the following types have been changed for C++ ABI purposes;
- mbstate_t now has a struct tag, __mbstate_t
- FILE's struct tag has been changed to _IO_FILE
- DIR's struct tag has been changed to __dirstream
- locale_t's struct tag has been changed to __locale_struct
- pthread_t is defined as unsigned long in C++ mode only
- fpos_t now has a struct tag, _G_fpos64_t
- fsid_t's struct tag has been changed to __fsid_t
- idtype_t has been made an enum type (also required by POSIX)
- nl_catd has been changed from long to void *
- siginfo_t's struct tag has been removed
- sigset_t's has been given a struct tag, __sigset_t
- stack_t has been given a struct tag, sigaltstack
- suseconds_t has been changed to long on 32-bit archs
- [u]intptr_t have been changed from long to int rank on 32-bit archs
- dev_t has been made unsigned
summary of tests that have been performed against these changes:
- nsz's libc-test (diff -u before and after)
- C++ ABI check symbol dump (diff -u before, after, glibc)
- grepped for __NEED, made sure types needed are still in alltypes
- built gcc 3.4.6
2013-07-22 15:22:36 +00:00
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typedef enum {
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P_ALL = 0,
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P_PID = 1,
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P_PGID = 2
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} idtype_t;
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2011-02-12 05:22:29 +00:00
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pid_t wait (int *);
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int waitid (idtype_t, id_t, siginfo_t *, int);
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pid_t waitpid (pid_t, int *, int );
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2011-02-19 07:26:11 +00:00
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2012-05-23 01:52:08 +00:00
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#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
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2011-02-19 07:26:11 +00:00
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#include <sys/resource.h>
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pid_t wait3 (int *, int, struct rusage *);
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pid_t wait4 (pid_t, int *, int, struct rusage *);
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#endif
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2011-02-12 05:22:29 +00:00
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2011-04-21 18:27:28 +00:00
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#define WNOHANG 1
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#define WUNTRACED 2
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#define WSTOPPED 2
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#define WEXITED 4
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#define WCONTINUED 8
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#define WNOWAIT 0x1000000
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2013-01-01 07:07:26 +00:00
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#define __WNOTHREAD 0x20000000
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#define __WALL 0x40000000
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#define __WCLONE 0x80000000
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2011-04-21 18:27:28 +00:00
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#define WEXITSTATUS(s) (((s) & 0xff00) >> 8)
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#define WTERMSIG(s) ((s) & 0x7f)
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#define WSTOPSIG(s) WEXITSTATUS(s)
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#define WCOREDUMP(s) ((s) & 0x80)
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#define WIFEXITED(s) (!WTERMSIG(s))
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#define WIFSTOPPED(s) (((s) & 0xff) == 0x7f)
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#define WIFSIGNALED(s) (((signed char) (((s) & 0x7f) + 1) >> 1) > 0)
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#define WIFCONTINUED(s) ((s) == 0xffff)
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2011-02-12 05:22:29 +00:00
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#ifdef __cplusplus
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}
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#endif
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#endif
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