| Last change
 on this file since 83 was             10, checked in by bird, 23 years ago | 
        
          | 
Initial revision
 | 
        
          | 
              
Property                 cvs2svn:cvs-rev
 set to                 1.1
Property                 svn:eol-style
 set to                 native
Property                 svn:executable
 set to                 * | 
        
          | File size:
            785 bytes | 
      
      
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| 1 | /* Version of sigsetmask.c | 
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| 2 | Written by Steve Chamberlain (sac@cygnus.com). | 
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| 3 | Contributed by Cygnus Support. | 
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| 4 | This file is in the public doamin. */ | 
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| 5 |  | 
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| 6 | /* Set the current signal mask to the set provided, and return the | 
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| 7 | previous value */ | 
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| 8 |  | 
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| 9 | #define _POSIX_SOURCE | 
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| 10 | #include <ansidecl.h> | 
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| 11 | /* Including <sys/types.h> seems to be needed by ISC. */ | 
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| 12 | #include <sys/types.h> | 
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| 13 | #include <signal.h> | 
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| 14 |  | 
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| 15 | extern void abort PARAMS ((void)) ATTRIBUTE_NORETURN; | 
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| 16 |  | 
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| 17 | #ifdef SIG_SETMASK | 
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| 18 | int | 
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| 19 | DEFUN(sigsetmask,(set), | 
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| 20 | int set) | 
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| 21 | { | 
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| 22 | sigset_t new; | 
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| 23 | sigset_t old; | 
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| 24 |  | 
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| 25 | sigemptyset (&new); | 
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| 26 | if (set != 0) { | 
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| 27 | abort();  /* FIXME, we don't know how to translate old mask to new */ | 
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| 28 | } | 
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| 29 | sigprocmask(SIG_SETMASK, &new, &old); | 
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| 30 | return 1;   /* FIXME, we always return 1 as old value.  */ | 
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| 31 | } | 
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| 32 | #endif | 
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