Commit | Line | Data |
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252b5132 RH |
1 | /* Version of sigsetmask.c |
2 | Written by Steve Chamberlain (sac@cygnus.com). | |
3 | Contributed by Cygnus Support. | |
4 | This file is in the public doamin. */ | |
5 | ||
6 | /* Set the current signal mask to the set provided, and return the | |
7 | previous value */ | |
8 | ||
9 | #define _POSIX_SOURCE | |
10 | #include <ansidecl.h> | |
11 | /* Including <sys/types.h> seems to be needed by ISC. */ | |
12 | #include <sys/types.h> | |
13 | #include <signal.h> | |
14 | ||
74bcd529 DD |
15 | extern void abort PARAMS ((void)) ATTRIBUTE_NORETURN; |
16 | ||
252b5132 RH |
17 | #ifdef SIG_SETMASK |
18 | int | |
19 | DEFUN(sigsetmask,(set), | |
20 | int set) | |
21 | { | |
22 | sigset_t new; | |
23 | sigset_t old; | |
24 | ||
25 | sigemptyset (&new); | |
26 | if (set != 0) { | |
27 | abort(); /* FIXME, we don't know how to translate old mask to new */ | |
28 | } | |
29 | sigprocmask(SIG_SETMASK, &new, &old); | |
30 | return 1; /* FIXME, we always return 1 as old value. */ | |
31 | } | |
32 | #endif |