libiberty/waitpid.c

   1 /*
   2
   3 @deftypefn Supplemental int waitpid (int @var{pid}, int *@var{status}, int)
   4
   5 This is a wrapper around the @code{wait} function.  Any ``special''
   6 values of @var{pid} depend on your implementation of @code{wait}, as
   7 does the return value.  The third argument is unused in @libib{}.
   8
   9 @end deftypefn
  10
  11 */
  12
  13 #ifdef HAVE_CONFIG_H
  14 #include "config.h"
  15 #endif
  16 #ifdef HAVE_SYS_WAIT_H
  17 #include <sys/wait.h>
  18 #endif
  19
  20 int
  21 waitpid (pid, stat_loc, options)
  22         int pid, *stat_loc, options;
  23 {
  24   for (;;)
  25     {
  26       int wpid = wait(stat_loc);
  27       if (wpid == pid || wpid == -1)
  28         return wpid;
  29     }
  30 }