gcc/libiberty/waitpid.c

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/*
@deftypefn Supplemental int waitpid (int @var{pid}, int *@var{status}, int)
This is a wrapper around the @code{wait} function. Any ``special''
values of @var{pid} depend on your implementation of @code{wait}, as
does the return value. The third argument is unused in @libib{}.
@end deftypefn
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef HAVE_SYS_WAIT_H
#include <sys/wait.h>
#endif
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int
waitpid (pid, stat_loc, options)
int pid, *stat_loc, options;
{
for (;;)
{
int wpid = wait(stat_loc);
if (wpid == pid || wpid == -1)
return wpid;
}
}