| Last change
 on this file since 824 was             2, checked in by bird, 23 years ago | 
        
          | 
Initial revision
 | 
        
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Property                 cvs2svn:cvs-rev
 set to                 1.1
Property                 svn:eol-style
 set to                 native
Property                 svn:executable
 set to                 * | 
        
          | File size:
            584 bytes | 
      
      
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| 1 | /* | 
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| 2 |  | 
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| 3 | @deftypefn Supplemental int waitpid (int @var{pid}, int *@var{status}, int) | 
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| 4 |  | 
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| 5 | This is a wrapper around the @code{wait} function.  Any ``special'' | 
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| 6 | values of @var{pid} depend on your implementation of @code{wait}, as | 
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| 7 | does the return value.  The third argument is unused in @libib{}. | 
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| 8 |  | 
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| 9 | @end deftypefn | 
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| 10 |  | 
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| 11 | */ | 
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| 12 |  | 
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| 13 | #ifdef HAVE_CONFIG_H | 
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| 14 | #include "config.h" | 
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| 15 | #endif | 
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| 16 | #ifdef HAVE_SYS_WAIT_H | 
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| 17 | #include <sys/wait.h> | 
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| 18 | #endif | 
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| 19 |  | 
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| 20 | int | 
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| 21 | waitpid (pid, stat_loc, options) | 
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| 22 | int pid, *stat_loc, options; | 
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| 23 | { | 
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| 24 | for (;;) | 
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| 25 | { | 
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| 26 | int wpid = wait(stat_loc); | 
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| 27 | if (wpid == pid || wpid == -1) | 
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| 28 | return wpid; | 
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| 29 | } | 
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| 30 | } | 
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