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waitpid.c (77298) waitpid.c (89857)
1/*
2
3@deftypefn Supplemental int waitpid (int @var{pid}, int *@var{status}, int)
4
5This is a wrapper around the @code{wait} function. Any ``special''
6values of @var{pid} depend on your implementation of @code{wait}, as
7does the return value. The third argument is unused in @libib{}.
8
9@end deftypefn
10
11*/
12
1#ifdef HAVE_CONFIG_H
2#include "config.h"
3#endif
4#ifdef HAVE_SYS_WAIT_H
5#include <sys/wait.h>
6#endif
7
8int
9waitpid (pid, stat_loc, options)
10 int pid, *stat_loc, options;
11{
12 for (;;)
13 {
14 int wpid = wait(stat_loc);
15 if (wpid == pid || wpid == -1)
16 return wpid;
17 }
18}
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
20int
21waitpid (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}