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Last change
on this file since 334 was 10, checked in by bird, 22 years ago |
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Initial revision
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Property cvs2svn:cvs-rev
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1.1
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Property svn:eol-style
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Property svn:executable
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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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