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Show more breadcrumbs
Magnus Holmgren
liboop
Commits
aac89b35
Commit
aac89b35
authored
23 years ago
by
Dan Egnor
Browse files
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const, etc.
parent
7d2893b1
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Changes
1
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1 changed file
signal.c
+17
-18
17 additions, 18 deletions
signal.c
with
17 additions
and
18 deletions
signal.c
+
17
−
18
View file @
aac89b35
...
...
@@ -32,10 +32,10 @@ struct oop_adapter_signal {
int
num_events
;
};
struct
oop_adapter_signal
*
sig_owner
[
OOP_NUM_SIGNALS
];
static
struct
oop_adapter_signal
*
sig_owner
[
OOP_NUM_SIGNALS
];
static
oop_adapter_signal
*
verify_source
(
oop_source
*
source
)
{
oop_adapter_signal
*
s
=
(
oop_adapter_signal
*
)
source
;
oop_adapter_signal
*
const
s
=
(
oop_adapter_signal
*
)
source
;
assert
(
MAGIC
==
s
->
magic
);
return
s
;
}
...
...
@@ -52,8 +52,8 @@ static void unblock(sigset_t old) {
}
static
void
do_pipe
(
struct
oop_adapter_signal
*
s
)
{
sigset_t
old
=
block
();
char
ch
=
'\0'
;
const
sigset_t
old
=
block
();
const
char
ch
=
'\0'
;
if
(
0
==
s
->
pipeflag
)
{
s
->
pipeflag
=
1
;
write
(
s
->
pipefd
[
1
],
&
ch
,
1
);
...
...
@@ -62,7 +62,7 @@ static void do_pipe(struct oop_adapter_signal *s) {
}
static
void
on_signal
(
int
sig
)
{
oop_adapter_signal
*
s
=
sig_owner
[
sig
];
oop_adapter_signal
*
const
s
=
sig_owner
[
sig
];
struct
sigaction
act
;
assert
(
NULL
!=
s
);
...
...
@@ -77,7 +77,7 @@ static void on_signal(int sig) {
}
static
void
*
on_pipe
(
oop_source
*
source
,
int
fd
,
oop_event
event
,
void
*
user
)
{
oop_adapter_signal
*
s
=
verify_source
((
oop_source
*
)
user
);
oop_adapter_signal
*
const
s
=
verify_source
((
oop_source
*
)
user
);
sigset_t
save
;
int
i
;
char
ch
;
...
...
@@ -97,8 +97,7 @@ static void *on_pipe(oop_source *source,int fd,oop_event event,void *user) {
s
->
sig
[
i
].
ptr
=
s
->
sig
[
i
].
list
;
}
if
(
NULL
!=
s
->
sig
[
i
].
ptr
)
{
struct
sig_handler
*
h
;
h
=
s
->
sig
[
i
].
ptr
;
struct
sig_handler
*
const
h
=
s
->
sig
[
i
].
ptr
;
s
->
sig
[
i
].
ptr
=
h
->
next
;
do_pipe
(
s
);
/* come back */
return
h
->
f
(
&
s
->
oop
,
i
,
h
->
v
);
...
...
@@ -110,31 +109,31 @@ static void *on_pipe(oop_source *source,int fd,oop_event event,void *user) {
static
void
sig_on_fd
(
oop_source
*
source
,
int
fd
,
oop_event
ev
,
oop_call_fd
*
call
,
void
*
data
)
{
oop_adapter_signal
*
s
=
verify_source
(
source
);
oop_adapter_signal
*
const
s
=
verify_source
(
source
);
s
->
source
->
on_fd
(
s
->
source
,
fd
,
ev
,
call
,
data
);
}
static
void
sig_cancel_fd
(
oop_source
*
source
,
int
fd
,
oop_event
ev
)
{
oop_adapter_signal
*
s
=
verify_source
(
source
);
oop_adapter_signal
*
const
s
=
verify_source
(
source
);
s
->
source
->
cancel_fd
(
s
->
source
,
fd
,
ev
);
}
static
void
sig_on_time
(
oop_source
*
source
,
struct
timeval
when
,
oop_call_time
*
call
,
void
*
data
)
{
oop_adapter_signal
*
s
=
verify_source
(
source
);
oop_adapter_signal
*
const
s
=
verify_source
(
source
);
s
->
source
->
on_time
(
s
->
source
,
when
,
call
,
data
);
}
static
void
sig_cancel_time
(
oop_source
*
source
,
struct
timeval
when
,
oop_call_time
*
call
,
void
*
data
)
{
oop_adapter_signal
*
s
=
verify_source
(
source
);
oop_adapter_signal
*
const
s
=
verify_source
(
source
);
s
->
source
->
cancel_time
(
s
->
source
,
when
,
call
,
data
);
}
static
void
sig_on_signal
(
oop_source
*
source
,
int
sig
,
oop_call_signal
*
f
,
void
*
v
)
{
oop_adapter_signal
*
s
=
verify_source
(
source
);
struct
sig_handler
*
handler
=
oop_malloc
(
sizeof
(
*
handler
));
oop_adapter_signal
*
const
s
=
verify_source
(
source
);
struct
sig_handler
*
const
handler
=
oop_malloc
(
sizeof
(
*
handler
));
if
(
NULL
==
handler
)
return
;
/* ugh */
assert
(
sig
>
0
&&
sig
<
OOP_NUM_SIGNALS
&&
"invalid signal number"
);
...
...
@@ -162,8 +161,8 @@ static void sig_on_signal(oop_source *source,int sig,
static
void
sig_cancel_signal
(
oop_source
*
source
,
int
sig
,
oop_call_signal
*
f
,
void
*
v
)
{
oop_adapter_signal
*
s
=
verify_source
(
source
);
struct
sig_handler
*
p
,
**
pp
=
&
s
->
sig
[
sig
].
list
;
oop_adapter_signal
*
const
s
=
verify_source
(
source
);
struct
sig_handler
**
pp
=
&
s
->
sig
[
sig
].
list
;
assert
(
sig
>
0
&&
sig
<
OOP_NUM_SIGNALS
&&
"invalid signal number"
);
...
...
@@ -171,7 +170,7 @@ static void sig_cancel_signal(oop_source *source,int sig,
pp
=
&
(
*
pp
)
->
next
;
if
(
NULL
!=
*
pp
)
{
p
=
*
pp
;
struct
sig_handler
*
const
p
=
*
pp
;
if
(
NULL
==
p
->
next
&&
&
s
->
sig
[
sig
].
list
==
pp
)
{
sigaction
(
sig
,
&
s
->
sig
[
sig
].
old
,
NULL
);
...
...
@@ -188,7 +187,7 @@ static void sig_cancel_signal(oop_source *source,int sig,
oop_adapter_signal
*
oop_signal_new
(
oop_source
*
source
)
{
int
i
;
oop_adapter_signal
*
s
=
oop_malloc
(
sizeof
(
*
s
));
oop_adapter_signal
*
const
s
=
oop_malloc
(
sizeof
(
*
s
));
if
(
NULL
==
s
)
return
NULL
;
assert
(
NULL
!=
source
);
if
(
pipe
(
s
->
pipefd
))
{
...
...
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