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Remove union wait [BZ #19613]

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The overloading approach in the W* macros was incompatible with
integer expressions of a type different from int.  Applications
using union wait and these macros will have to migrate to the
POSIX-specified int status type.
This commit is contained in:
Florian Weimer
2016-04-14 08:54:57 +02:00
parent 5f5682b965
commit b49ab5f450
17 changed files with 72 additions and 199 deletions
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46
bits/waitstatus.h
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@ -57,49 +57,3 @@
#define __W_STOPCODE(sig) ((sig) << 8 | 0x7f)
#define __W_CONTINUED 0xffff
#define __WCOREFLAG 0x80
#ifdef __USE_MISC
# include <endian.h>
union wait
{
int w_status;
struct
{
# if __BYTE_ORDER == __LITTLE_ENDIAN
unsigned int __w_termsig:7; /* Terminating signal. */
unsigned int __w_coredump:1; /* Set if dumped core. */
unsigned int __w_retcode:8; /* Return code if exited normally. */
unsigned int:16;
# endif /* Little endian. */
# if __BYTE_ORDER == __BIG_ENDIAN
unsigned int:16;
unsigned int __w_retcode:8;
unsigned int __w_coredump:1;
unsigned int __w_termsig:7;
# endif /* Big endian. */
} __wait_terminated;
struct
{
# if __BYTE_ORDER == __LITTLE_ENDIAN
unsigned int __w_stopval:8; /* W_STOPPED if stopped. */
unsigned int __w_stopsig:8; /* Stopping signal. */
unsigned int:16;
# endif /* Little endian. */
# if __BYTE_ORDER == __BIG_ENDIAN
unsigned int:16;
unsigned int __w_stopsig:8; /* Stopping signal. */
unsigned int __w_stopval:8; /* W_STOPPED if stopped. */
# endif /* Big endian. */
} __wait_stopped;
};
# define w_termsig __wait_terminated.__w_termsig
# define w_coredump __wait_terminated.__w_coredump
# define w_retcode __wait_terminated.__w_retcode
# define w_stopsig __wait_stopped.__w_stopsig
# define w_stopval __wait_stopped.__w_stopval
#endif /* Use misc. */