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HEAD
Upstream qmail 1.03
[qmail]
/
sig_block.c
1
#include <signal.h>
2
#include
"sig.h"
3
#include
"hassgprm.h"
4
5
void
sig_block
(
sig
)
6
int
sig
;
7
{
8
#ifdef HASSIGPROCMASK
9
sigset_t ss
;
10
sigemptyset
(&
ss
);
11
sigaddset
(&
ss
,
sig
);
12
sigprocmask
(
SIG_BLOCK
,&
ss
,(
sigset_t
*)
0
);
13
#else
14
sigblock
(
1
<< (
sig
-
1
));
15
#endif
16
}
17
18
void
sig_unblock
(
sig
)
19
int
sig
;
20
{
21
#ifdef HASSIGPROCMASK
22
sigset_t ss
;
23
sigemptyset
(&
ss
);
24
sigaddset
(&
ss
,
sig
);
25
sigprocmask
(
SIG_UNBLOCK
,&
ss
,(
sigset_t
*)
0
);
26
#else
27
sigsetmask
(
sigsetmask
(~
0
) & ~(
1
<< (
sig
-
1
)));
28
#endif
29
}
30
31
void
sig_blocknone
()
32
{
33
#ifdef HASSIGPROCMASK
34
sigset_t ss
;
35
sigemptyset
(&
ss
);
36
sigprocmask
(
SIG_SETMASK
,&
ss
,(
sigset_t
*)
0
);
37
#else
38
sigsetmask
(
0
);
39
#endif
40
}