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Third Party Musl
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a0ae0b09
T
Third Party Musl
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体验新版 GitCode,发现更多精彩内容 >>
提交
a0ae0b09
编写于
5月 28, 2011
作者:
R
Rich Felker
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
add file actions support to posix_spawn
上级
d6c0c978
变更
5
隐藏空白更改
内联
并排
Showing
5 changed file
with
85 addition
and
2 deletion
+85
-2
src/process/posix_spawn.c
src/process/posix_spawn.c
+28
-0
src/process/posix_spawn_file_actions_addclose.c
src/process/posix_spawn_file_actions_addclose.c
+15
-0
src/process/posix_spawn_file_actions_adddup2.c
src/process/posix_spawn_file_actions_adddup2.c
+16
-0
src/process/posix_spawn_file_actions_addopen.c
src/process/posix_spawn_file_actions_addopen.c
+19
-0
src/process/posix_spawn_file_actions_destroy.c
src/process/posix_spawn_file_actions_destroy.c
+7
-2
未找到文件。
src/process/posix_spawn.c
浏览文件 @
a0ae0b09
...
...
@@ -2,7 +2,9 @@
#include <unistd.h>
#include <signal.h>
#include <stdint.h>
#include <fcntl.h>
#include "syscall.h"
#include "fdop.h"
extern
char
**
environ
;
...
...
@@ -49,6 +51,32 @@ int __posix_spawnx(pid_t *res, const char *path,
__syscall
(
SYS_setuid
,
__syscall
(
SYS_getuid
))
))
_exit
(
127
);
if
(
fa
)
{
struct
fdop
*
op
;
int
ret
,
fd
;
for
(
op
=
fa
->
__actions
;
op
;
op
=
op
->
next
)
{
switch
(
op
->
cmd
)
{
case
FDOP_CLOSE
:
ret
=
__syscall
(
SYS_close
,
op
->
fd
);
break
;
case
FDOP_DUP2
:
ret
=
__syscall
(
SYS_dup2
,
op
->
fd
,
op
->
newfd
)
<
0
;
break
;
case
FDOP_OPEN
:
fd
=
__syscall
(
SYS_open
,
op
->
path
,
op
->
oflag
|
O_LARGEFILE
,
op
->
mode
);
if
(
fd
==
op
->
fd
)
{
ret
=
0
;
}
else
{
ret
=
__syscall
(
SYS_dup2
,
fd
,
op
->
fd
)
<
0
;
__syscall
(
SYS_close
,
fd
);
}
break
;
}
if
(
ret
)
_exit
(
127
);
}
}
sigprocmask
(
SIG_SETMASK
,
(
attr
->
__flags
&
POSIX_SPAWN_SETSIGMASK
)
?
&
attr
->
__mask
:
&
oldmask
,
0
);
...
...
src/process/posix_spawn_file_actions_addclose.c
0 → 100644
浏览文件 @
a0ae0b09
#include <spawn.h>
#include <stdlib.h>
#include <errno.h>
#include "fdop.h"
int
posix_spawn_file_actions_addclose
(
posix_spawn_file_actions_t
*
fa
,
int
fd
)
{
struct
fdop
*
op
=
malloc
(
sizeof
*
op
);
if
(
!
op
)
return
ENOMEM
;
op
->
cmd
=
FDOP_CLOSE
;
op
->
fd
=
fd
;
op
->
next
=
fa
->
__actions
;
fa
->
__actions
=
op
;
return
0
;
}
src/process/posix_spawn_file_actions_adddup2.c
0 → 100644
浏览文件 @
a0ae0b09
#include <spawn.h>
#include <stdlib.h>
#include <errno.h>
#include "fdop.h"
int
posix_spawn_file_actions_adddup2
(
posix_spawn_file_actions_t
*
fa
,
int
fd
,
int
newfd
)
{
struct
fdop
*
op
=
malloc
(
sizeof
*
op
);
if
(
!
op
)
return
ENOMEM
;
op
->
cmd
=
FDOP_DUP2
;
op
->
fd
=
fd
;
op
->
newfd
=
newfd
;
op
->
next
=
fa
->
__actions
;
fa
->
__actions
=
op
;
return
0
;
}
src/process/posix_spawn_file_actions_addopen.c
0 → 100644
浏览文件 @
a0ae0b09
#include <spawn.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "fdop.h"
int
posix_spawn_file_actions_addopen
(
posix_spawn_file_actions_t
*
fa
,
int
fd
,
const
char
*
path
,
int
flags
,
mode_t
mode
)
{
struct
fdop
*
op
=
malloc
(
sizeof
*
op
+
strlen
(
path
)
+
1
);
if
(
!
op
)
return
ENOMEM
;
op
->
cmd
=
FDOP_OPEN
;
op
->
fd
=
fd
;
op
->
oflag
=
flags
;
op
->
mode
=
mode
;
strcpy
(
op
->
path
,
path
);
op
->
next
=
fa
->
__actions
;
fa
->
__actions
=
op
;
return
0
;
}
src/process/posix_spawn_file_actions_destroy.c
浏览文件 @
a0ae0b09
#include <spawn.h>
#include <stdlib.h>
#include "fdop.h"
int
posix_spawn_file_actions_destroy
(
posix_spawn_file_actions_t
*
fa
)
{
// FIXME
free
(
fa
->
__actions
);
struct
fdop
*
op
=
fa
->
__actions
,
*
next
;
while
(
op
)
{
next
=
op
->
next
;
free
(
op
);
op
=
next
;
}
return
0
;
}
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