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- /****************************************************************************
- *
- * $Source: /unixb/home/unixlib/source/unixlib37/src/unix/c/RCS/waitpid,v $
- * $Date: 1996/05/06 09:03:14 $
- * $Revision: 1.1 $
- * $State: Rel $
- * $Author: unixlib $
- *
- * $Log: waitpid,v $
- * Revision 1.1 1996/05/06 09:03:14 unixlib
- * Initial revision
- *
- ***************************************************************************/
-
- static const char rcs_id[] = "$Id: waitpid,v 1.1 1996/05/06 09:03:14 unixlib Rel $";
-
- #include <errno.h>
- #include <sys/wait.h>
- #include <sys/types.h>
- #include <stddef.h>
-
- /* Wait for a child matching pid to die.
-
- If pid > 0, match any process whose process ID is pid.
- If pid = -1, match any process.
- If pid = 0, match any process with the same process group
- as the current process.
- If pid < -1, match any process whose process group is the
- absolute value of pid.
-
- If the WNOHANG bit is set in options, and that child
- is not already dead, return (pid_t) 0.
-
- If successful, return pid and store the dead child's status in stat_loc.
-
- Return -1 for errors.
-
- If the WUNTRACED bit is set in OPTIONS, return status for stopped
- children; otherwise don't. */
-
- pid_t
- waitpid (pid_t pid, int *stat_loc, int options)
- {
- return wait4 (pid, stat_loc, options, NULL);
- }
-