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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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2
sysdeps/unix/bsd/wait.c
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@ -23,7 +23,7 @@
/* Wait for a child to die. When one does, put its status in *STAT_LOC
and return its process ID. For errors, return (pid_t) -1. */
__pid_t
__libc_wait (__WAIT_STATUS_DEFN stat_loc)
__libc_wait (int *stat_loc)
{
return __wait4 (WAIT_ANY, stat_loc, 0, (struct rusage *) NULL);
}

2
sysdeps/unix/bsd/wait3.c
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@ -25,7 +25,7 @@
there. If the WUNTRACED bit is set in OPTIONS, return status for stopped
children; otherwise don't. */
pid_t
__wait3 (__WAIT_STATUS stat_loc, int options, struct rusage *usage)
__wait3 (int *stat_loc, int options, struct rusage *usage)
{
return __wait4 (WAIT_ANY, stat_loc, options, usage);
}

2
sysdeps/unix/bsd/waitpid.c
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@ -35,7 +35,7 @@
pid_t
__waitpid (pid_t pid, int *stat_loc, int options)
{
return __wait4 (pid, (union wait *) stat_loc, options, NULL);
return __wait4 (pid, stat_loc, options, NULL);
}
libc_hidden_def (__waitpid)