| /* |
| |
| @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 |
| #include "ansidecl.h" |
| |
| /* On some systems (such as WindISS), you must include <sys/types.h> |
| to get the definition of "pid_t" before you include <sys/wait.h>. */ |
| #include <sys/types.h> |
| |
| #ifdef HAVE_SYS_WAIT_H |
| #include <sys/wait.h> |
| #endif |
| |
| pid_t |
| waitpid (pid_t pid, int *stat_loc, int options ATTRIBUTE_UNUSED) |
| { |
| for (;;) |
| { |
| int wpid = wait(stat_loc); |
| if (wpid == pid || wpid == -1) |
| return wpid; |
| } |
| } |