[deliverable/binutils-gdb.git] / libiberty / waitpid.c

/*

@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

int
waitpid (pid, stat_loc, options)
	int pid, *stat_loc, options;
{
  for (;;)
    {
      int wpid = wait(stat_loc);
      if (wpid == pid || wpid == -1)
	return wpid;
    }
}
Commit	Line	Data
39423523 DD	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
90aaccd1 JL	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
252b5132 RH	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	}